There are several pitch trackers,

pitch - spectral analysis based (same used with wsig opcodes)

pitchtrack - also spectral tracking but more standard 

pvspitch - pvs based

plltrack - phase locked loop based

pitchamdf - average magnitude difference method

lpcanal - pitch tracking via lpc

If you want to try autocorretion, there is autocorr

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:00, Iain Duncan <iainduncanlists@gmail.com> wrote:



*Warning*

This email originated from outside of Maynooth University's Mail System. Do not reply, click links or open attachments unless you recognise the sender and know the content is safe.

My PhD supervisor (George Tzanetakis) suggested autocorrelation as likely being the best pitch tracking algorithm for my purposes, and I'm curious if anyone has done this in Csound (or if in fact, this is what the ptrack opcode does!). 

thanks!

iain

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Hard to know, I've used amdf, pitchtrack, plltrack, and pvstrack before. The problem is always transient response. With the spectral ones the trick is how to trade time vs freq response.

If you'd like to add to this collection, you know we're always happy to take a PR. I suspect there are plenty newer methods out there. The latest addition was plltrack, about ten years ago.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:41, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, that's very helpful. lots to dig into! Do you (or anyone else) have a sense of which would work best for real time monophonic tracking?

For the documentation team .... if anyone reads this. The new manual, when searching for "pitch tracking" it goes straight to the pitchamdf opcode. It might be better to have that land on the page linked from there, the Sensing and Control page which lists many of them?

(In the old manual I couldn't find it anything with search "pitch tracking" so huge improvement!)

Well trying this should hold me for the week, ha. :-)

iain

On Mon, Feb 2, 2026 at 8:19 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

There are several pitch trackers,

pitch - spectral analysis based (same used with wsig opcodes)

pitchtrack - also spectral tracking but more standard 

pvspitch - pvs based

plltrack - phase locked loop based

pitchamdf - average magnitude difference method

lpcanal - pitch tracking via lpc

If you want to try autocorretion, there is autocorr

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:00, Iain Duncan <iainduncanlists@gmail.com> wrote:



*Warning*

This email originated from outside of Maynooth University's Mail System. Do not reply, click links or open attachments unless you recognise the sender and know the content is safe.

My PhD supervisor (George Tzanetakis) suggested autocorrelation as likely being the best pitch tracking algorithm for my purposes, and I'm curious if anyone has done this in Csound (or if in fact, this is what the ptrack opcode does!). 

thanks!

iain

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Things like the yin method. We don't have that.

It's one to target.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:59, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, I'll talk to George about this and go over these with him. I'm sure he'd be supportive of me doing so if there is something he has that is worth adding. 

I like the idea of doing this csound as it makes it simple to the tracker in a standalone process that might have different buffer settings and so one from the main music producing work. 

On Mon, Feb 2, 2026 at 8:54 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

Hard to know, I've used amdf, pitchtrack, plltrack, and pvstrack before. The problem is always transient response. With the spectral ones the trick is how to trade time vs freq response.

If you'd like to add to this collection, you know we're always happy to take a PR. I suspect there are plenty newer methods out there. The latest addition was plltrack, about ten years ago.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:41, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, that's very helpful. lots to dig into! Do you (or anyone else) have a sense of which would work best for real time monophonic tracking?

For the documentation team .... if anyone reads this. The new manual, when searching for "pitch tracking" it goes straight to the pitchamdf opcode. It might be better to have that land on the page linked from there, the Sensing and Control page which lists many of them?

(In the old manual I couldn't find it anything with search "pitch tracking" so huge improvement!)

Well trying this should hold me for the week, ha. :-)

iain

On Mon, Feb 2, 2026 at 8:19 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

There are several pitch trackers,

pitch - spectral analysis based (same used with wsig opcodes)

pitchtrack - also spectral tracking but more standard 

pvspitch - pvs based

plltrack - phase locked loop based

pitchamdf - average magnitude difference method

lpcanal - pitch tracking via lpc

If you want to try autocorretion, there is autocorr

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:00, Iain Duncan <iainduncanlists@gmail.com> wrote:



*Warning*

This email originated from outside of Maynooth University's Mail System. Do not reply, click links or open attachments unless you recognise the sender and know the content is safe.

My PhD supervisor (George Tzanetakis) suggested autocorrelation as likely being the best pitch tracking algorithm for my purposes, and I'm curious if anyone has done this in Csound (or if in fact, this is what the ptrack opcode does!). 

thanks!

iain

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Things like the yin method. We don't have that.

It's one to target.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:59, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, I'll talk to George about this and go over these with him. I'm sure he'd be supportive of me doing so if there is something he has that is worth adding. 

I like the idea of doing this csound as it makes it simple to the tracker in a standalone process that might have different buffer settings and so one from the main music producing work. 

On Mon, Feb 2, 2026 at 8:54 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

Hard to know, I've used amdf, pitchtrack, plltrack, and pvstrack before. The problem is always transient response. With the spectral ones the trick is how to trade time vs freq response.

If you'd like to add to this collection, you know we're always happy to take a PR. I suspect there are plenty newer methods out there. The latest addition was plltrack, about ten years ago.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:41, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, that's very helpful. lots to dig into! Do you (or anyone else) have a sense of which would work best for real time monophonic tracking?

For the documentation team .... if anyone reads this. The new manual, when searching for "pitch tracking" it goes straight to the pitchamdf opcode. It might be better to have that land on the page linked from there, the Sensing and Control page which lists many of them?

(In the old manual I couldn't find it anything with search "pitch tracking" so huge improvement!)

Well trying this should hold me for the week, ha. :-)

iain

On Mon, Feb 2, 2026 at 8:19 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

There are several pitch trackers,

pitch - spectral analysis based (same used with wsig opcodes)

pitchtrack - also spectral tracking but more standard 

pvspitch - pvs based

plltrack - phase locked loop based

pitchamdf - average magnitude difference method

lpcanal - pitch tracking via lpc

If you want to try autocorretion, there is autocorr

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:00, Iain Duncan <iainduncanlists@gmail.com> wrote:



*Warning*

This email originated from outside of Maynooth University's Mail System. Do not reply, click links or open attachments unless you recognise the sender and know the content is safe.

My PhD supervisor (George Tzanetakis) suggested autocorrelation as likely being the best pitch tracking algorithm for my purposes, and I'm curious if anyone has done this in Csound (or if in fact, this is what the ptrack opcode does!). 

thanks!

iain

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

It is. 

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 21:00, Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

 Another thing, I think the pitch tracker in lpc is basically autocorrelation, but I can't tell fully without looking at the code to remind myself.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 20:50, Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

 maybe it's worth converting into a binary opcode.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 18:04, Steven Yi <stevenyi@gmail.com> wrote:



Ed Costello posted a Yin pitch tracking example on Feb 27, 2012 (I couldn't find it in an online archive but have it in my email archive). I've attached the CSD he posted here.

On Mon, Feb 2, 2026 at 12:30 PM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

Things like the yin method. We don't have that.

It's one to target.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:59, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, I'll talk to George about this and go over these with him. I'm sure he'd be supportive of me doing so if there is something he has that is worth adding. 

I like the idea of doing this csound as it makes it simple to the tracker in a standalone process that might have different buffer settings and so one from the main music producing work. 

On Mon, Feb 2, 2026 at 8:54 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

Hard to know, I've used amdf, pitchtrack, plltrack, and pvstrack before. The problem is always transient response. With the spectral ones the trick is how to trade time vs freq response.

If you'd like to add to this collection, you know we're always happy to take a PR. I suspect there are plenty newer methods out there. The latest addition was plltrack, about ten years ago.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:41, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, that's very helpful. lots to dig into! Do you (or anyone else) have a sense of which would work best for real time monophonic tracking?

For the documentation team .... if anyone reads this. The new manual, when searching for "pitch tracking" it goes straight to the pitchamdf opcode. It might be better to have that land on the page linked from there, the Sensing and Control page which lists many of them?

(In the old manual I couldn't find it anything with search "pitch tracking" so huge improvement!)

Well trying this should hold me for the week, ha. :-)

iain

On Mon, Feb 2, 2026 at 8:19 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

There are several pitch trackers,

pitch - spectral analysis based (same used with wsig opcodes)

pitchtrack - also spectral tracking but more standard 

pvspitch - pvs based

plltrack - phase locked loop based

pitchamdf - average magnitude difference method

lpcanal - pitch tracking via lpc

If you want to try autocorretion, there is autocorr

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:00, Iain Duncan <iainduncanlists@gmail.com> wrote:



*Warning*

This email originated from outside of Maynooth University's Mail System. Do not reply, click links or open attachments unless you recognise the sender and know the content is safe.

My PhD supervisor (George Tzanetakis) suggested autocorrelation as likely being the best pitch tracking algorithm for my purposes, and I'm curious if anyone has done this in Csound (or if in fact, this is what the ptrack opcode does!). 

thanks!

iain

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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<Yin.csd>

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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It is. 

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 21:00, Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

 Another thing, I think the pitch tracker in lpc is basically autocorrelation, but I can't tell fully without looking at the code to remind myself.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 20:50, Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

 maybe it's worth converting into a binary opcode.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 18:04, Steven Yi <stevenyi@gmail.com> wrote:



Ed Costello posted a Yin pitch tracking example on Feb 27, 2012 (I couldn't find it in an online archive but have it in my email archive). I've attached the CSD he posted here.

On Mon, Feb 2, 2026 at 12:30 PM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

Things like the yin method. We don't have that.

It's one to target.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:59, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, I'll talk to George about this and go over these with him. I'm sure he'd be supportive of me doing so if there is something he has that is worth adding. 

I like the idea of doing this csound as it makes it simple to the tracker in a standalone process that might have different buffer settings and so one from the main music producing work. 

On Mon, Feb 2, 2026 at 8:54 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

Hard to know, I've used amdf, pitchtrack, plltrack, and pvstrack before. The problem is always transient response. With the spectral ones the trick is how to trade time vs freq response.

If you'd like to add to this collection, you know we're always happy to take a PR. I suspect there are plenty newer methods out there. The latest addition was plltrack, about ten years ago.

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:41, Iain Duncan <iainduncanlists@gmail.com> wrote:



Thanks Victor, that's very helpful. lots to dig into! Do you (or anyone else) have a sense of which would work best for real time monophonic tracking?

For the documentation team .... if anyone reads this. The new manual, when searching for "pitch tracking" it goes straight to the pitchamdf opcode. It might be better to have that land on the page linked from there, the Sensing and Control page which lists many of them?

(In the old manual I couldn't find it anything with search "pitch tracking" so huge improvement!)

Well trying this should hold me for the week, ha. :-)

iain

On Mon, Feb 2, 2026 at 8:19 AM Victor Lazzarini <000010b17ddd988e-dmarc-request@listserv.heanet.ie> wrote:

There are several pitch trackers,

pitch - spectral analysis based (same used with wsig opcodes)

pitchtrack - also spectral tracking but more standard 

pvspitch - pvs based

plltrack - phase locked loop based

pitchamdf - average magnitude difference method

lpcanal - pitch tracking via lpc

If you want to try autocorretion, there is autocorr

Prof. Victor Lazzarini

Maynooth University

Ireland

On 2 Feb 2026, at 16:00, Iain Duncan <iainduncanlists@gmail.com> wrote:



*Warning*

This email originated from outside of Maynooth University's Mail System. Do not reply, click links or open attachments unless you recognise the sender and know the content is safe.

My PhD supervisor (George Tzanetakis) suggested autocorrelation as likely being the best pitch tracking algorithm for my purposes, and I'm curious if anyone has done this in Csound (or if in fact, this is what the ptrack opcode does!). 

thanks!

iain

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

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<Yin.csd>

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

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Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

The information contained in this email may be confidential and privileged. It is intended only for the addressee(s) stated above. If you are not an addressee any use, dissemination, distribution, publication or copying of the information contained in this email is strictly prohibited. If you have received this email in error, please immediately notify us by email at dataprotection@mu.ie and delete this email from your system.

Please note that Maynooth University is subject to Freedom of Information and Data Protection laws. We may be required to disclose the content of emails under the FOI Act 2014, the Data Protection Act 2018 or GDPR.

Is don seolaí / do na seolaithe thuasluaite amháin an ríomhphost seo. D’fhéadfadh an t-eolas atá ann a bheith rúnda agus faoi phribhléid. Mura seolaí tú, tá cosc iomlán ar aon eolas atá sa ríomhphost seo a úsáid, a scaipeadh, a dháileadh, a fhoilsiú nó a chóipeáil. Má fuair tú an ríomhphost seo trí thimpiste, cuir sin in iúl dúinn láithreach trí ríomhphost a chur chuig  dataprotection@mu.ie  agus scrios an ríomhphost seo ó do chóras.

Tabhair faoi deara go bhfuil Ollscoil Mhá Nuad faoi réir dhlíthe um Shaoráil Faisnéise agus um Chosaint Sonraí. D’fhéadfadh ceangal a bheith orainn ábhar ríomhphoist a nochtadh faoin Acht um Shaoráil Faisnéise 2014, faoin Acht um Chosaint Sonraí 2018 nó faoi GDPR.

Registered charity number 20037130

 

Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here