> Out of interest, has anyone tried the new Android version (Lollipop)?
It's supposed to be lower at least but I can't find any exact figures or details.
>
> Stephen
>
> > Date: Tue, 16 Dec 2014 14:45:18 -0500
> > From: michael.gogins@gmail.com
> > To: csound-devel@lists.sourceforge.net
> > Subject: Re: [Cs-dev] Csound in Android 5
> >
> > Thanks for the information, I'll try your settings.
> >
> > Regards,
> > Mike
> >
> > -----------------------------------------------------
> > Michael Gogins
> > Irreducible Productions
> > http://michaelgogins.tumblr.com
> > Michael dot Gogins at gmail dot com
> >
> >
> > On Tue, Dec 16, 2014 at 1:15 PM, <Victor.Lazzarini@nuim.ie> wrote:
> > > Very high ksmps. Here I can use ksmps=32, -b256 -B1024, on the Nexus &
> > > Samsung tablets.
> > > Latency is not great, better on the Nexus.
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: Michael Gogins <michael.gogins@gmail.com>
> > > Date: Tuesday, December 16, 2014 5:52 pm
> > > Subject: Re: [Cs-dev] Csound in Android 5
> > > To: Developer discussions <csound-devel@lists.sourceforge.net>
> > >
> > >> On Android 4.4 I use ksmps=960, -b1920, -B3840 --sample-accurate.
> > >> Latency is bad, but performance is OK.
> > >>
> > >> Regards,
> > >> Mike
> > >>
> > >> -----------------------------------------------------
> > >> Michael Gogins
> > >> Irreducible Productions
> > >> http://michaelgogins.tumblr.com
> > >> Michael dot Gogins at gmail dot com
> > >>
> > >>
> > >> On Tue, Dec 16, 2014 at 9:53 AM, Victor Lazzarini
> > >> <Victor.Lazzarini@nuim.ie> wrote:
> > >> > What version of Android is this?
> > >> >
> > >> > I would think that -b can be lowered down to the ksmps value,
> > >> but I am not sure whether that would help.
> > >> >
> > >> > I have to look at the flag you mentioned. I think this is
> > >> defined by the hw. If the hw does not support it, then it can't
> > >> be set.
> > >> >
> > >> > Victor Lazzarini
> > >> > Dean of Arts, Celtic Studies, and Philosophy
> > >> > Maynooth University
> > >> > Ireland
> > >> >
> > >> >> On 15 Dec 2014, at 17:38, SimonKenny <digithree@gmail.com>
> > >> wrote:>>
> > >> >> Hi Victor
> > >> >>
> > >> >> Thank you for your reply.
> > >> >>
> > >> >> I can replicate your findings that anything less than 1024
> > >> for the hardware
> > >> >> buffer size (-B) gives sound problems. Also you are saying
> > >> then that the
> > >> >> software buffer size (-b) should be no less than 256? And
> > >> should ksmps still
> > >> >> be around 32 or 64?
> > >> >>
> > >> >> I've also noticed that the AUDIO_OUTOUT_FAST_FLAG is not
> > >> being accepted by
> > >> >> the AudioTrack library. Here's part of a log:
> > >> >> 12-15 16:15:34.113: D/CsoundObj(23005): --Csound version 6.04
> > >> (float>> samples) Dec 1 2014
> > >> >> 12-15 16:15:34.113: D/CsoundObj(23005): graphics suppressed, ascii
> > >> >> substituted
> > >> >> 12-15 16:15:34.113: D/CsoundObj(23005): 0dBFS level = 1.0
> > >> >> 12-15 16:15:34.114: D/CsoundObj(23005): orch now loaded
> > >> >> 12-15 16:15:34.114: D/CsoundObj(23005): audio buffered in
> > >> 2048 sample-frame
> > >> >> blocks
> > >> >> 12-15 16:15:34.114: W/libOpenSLES(23005): class OutputMix
> > >> interface 0
> > >> >> requested but unavailable MPH=43
> > >> >> 12-15 16:15:34.118: W/AudioTrack(23005):
> > >> AUDIO_OUTPUT_FLAG_FAST denied by
> > >> >> client
> > >> >> 12-15 16:15:34.123: D/CsoundObj(23005): writing 4096 sample
> > >> blks of 32-bit
> > >> >> floats to dac
> > >> >>
> > >> >> You can see a larger log as well as references to the
> > >> description of the
> > >> >> system, and a link to the code that accepts or denies the
> > >> flag here:
> > >> >> https://docs.google.com/document/d/1g9-
> > >> M8NRrzRkiEVfNZOrQuULVbMKiSaytBJGQAtlCOIE/edit?usp=sharing>>
> > >> >> I'm wondering two thins about this:
> > >> >> (1) Is it problematic if the buffer sizes requested via -B
> > >> and -b command
> > >> >> line flags are different from the buffer sizes above?
> > >> >> (2) Is the AUDIO_OUTOUT_FLAG_FAST denial very bad for latency or
> > >> >> inconsequential?
> > >> >>
> > >> >> By the way, my Nexus 7 2013 edition can update to Android 5,
> > >> if you have
> > >> >> access to one this will work.
> > >> >>
> > >> >>
> > >> >> Thanks for your time
> > >> >>
> > >> >>
> > >> >>
> > >> >> --
> > >> >> View this message in context:
> > >> http://csound.1045644.n5.nabble.com/Csound-in-Android-5-
> > >> tp5739058p5739274.html>> Sent from the Csound - Dev mailing list
> > >> archive at Nabble.com.
> > >> >>
> > >> >> --------------------------------------------------------------
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> > >
> > > Dr Victor Lazzarini, Senior Lecturer, Dept. of Music,
> > > National University of Ireland, Maynooth
> > >
> > > ------------------------------------------------------------------------------
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