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Latency issues and input questions (help a csounds newbie)

Date2015-05-18 22:57
FromKvltKitty
SubjectLatency issues and input questions (help a csounds newbie)
Hello all,

Very new to csounds, not new to programming (c++ dev)

I have tried searching through here and can't seem to find the answer to my
issue.  I am running csoundqt with a MOTU 8 pre firewire interface.  I have
two questions regarding my interface

The first being severe realtime latency issues.  I am taking in input from a
microphone using the Live_Delay_Feedback.csd example file, and I am getting
a ridiculous amount of latency with -b 32 and ksmps 64
The strange thing is, if I try and check the box and set my -B, I get highly
distorted and even greater latency feedback.  I set the samples per buffer
on my interface from as low as 64, up to 1024 and nothing seems to make a
difference.  As soon as I check that box, nothing seems to work.

The second question I have is that all the inputs available are labeled like
so:
MOTU Analog 1-2 (adc3)
MOTU Analog 3-4 (adc3)
MOTU Analog 5-6 (adc3)
MOTU Analog 7-8 (adc3)

Which is reading in from both inputs, but would there be a way to access
just one at a time?

I hope these aren't dumb questions, I'm just trying to dive into this and
there's a lot to learn.

Thanks for the help

Cheers,
Jesse



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Date2015-05-19 11:40
FromRory Walsh
SubjectRe: Latency issues and input questions (help a csounds newbie)
Are you using ASIO drivers? I find they work best for Windows.
Accessing individual channels can be done using the 'inch' opcode.
http://www.csounds.com/manual/html/inch.html

On 18 May 2015 at 22:57, KvltKitty  wrote:
> Hello all,
>
> Very new to csounds, not new to programming (c++ dev)
>
> I have tried searching through here and can't seem to find the answer to my
> issue.  I am running csoundqt with a MOTU 8 pre firewire interface.  I have
> two questions regarding my interface
>
> The first being severe realtime latency issues.  I am taking in input from a
> microphone using the Live_Delay_Feedback.csd example file, and I am getting
> a ridiculous amount of latency with -b 32 and ksmps 64
> The strange thing is, if I try and check the box and set my -B, I get highly
> distorted and even greater latency feedback.  I set the samples per buffer
> on my interface from as low as 64, up to 1024 and nothing seems to make a
> difference.  As soon as I check that box, nothing seems to work.
>
> The second question I have is that all the inputs available are labeled like
> so:
> MOTU Analog 1-2 (adc3)
> MOTU Analog 3-4 (adc3)
> MOTU Analog 5-6 (adc3)
> MOTU Analog 7-8 (adc3)
>
> Which is reading in from both inputs, but would there be a way to access
> just one at a time?
>
> I hope these aren't dumb questions, I'm just trying to dive into this and
> there's a lot to learn.
>
> Thanks for the help
>
> Cheers,
> Jesse
>
>
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Latency-issues-and-input-questions-help-a-csounds-newbie-tp5741726.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
> ------------------------------------------------------------------------------
> One dashboard for servers and applications across Physical-Virtual-Cloud
> Widest out-of-the-box monitoring support with 50+ applications
> Performance metrics, stats and reports that give you Actionable Insights
> Deep dive visibility with transaction tracing using APM Insight.
> http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
> _______________________________________________
> Csound-users mailing list
> Csound-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-users
> Send bugs reports to
>         https://github.com/csound/csound/issues
> Discussions of bugs and features can be posted here

------------------------------------------------------------------------------
One dashboard for servers and applications across Physical-Virtual-Cloud 
Widest out-of-the-box monitoring support with 50+ applications
Performance metrics, stats and reports that give you Actionable Insights
Deep dive visibility with transaction tracing using APM Insight.
http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
_______________________________________________
Csound-users mailing list
Csound-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/csound-users
Send bugs reports to
        https://github.com/csound/csound/issues
Discussions of bugs and features can be posted here