14 Sep
2012
14 Sep
'12
7:29 p.m.
hi,
did you start pd with alsa ? we choose alsa with the gui then save the settings yesterday sorry, we forgot to mention that
if it still doesn't work you can check this : http://elinux.org/R-Pi_Troubleshooting#Sound to make sure sound is working outside pd
cheers
antoine
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2012/9/14 m.e.grimm megrimm@gmail.com
> not sure the deal but what i did was:
>
> after installing from apt-get install puredata
>
> $ sudo apt-get autoremove puredata
>
> then i followed your instructions to the T
>
> using the "configure" from 0.43.2
>
> make and make install all seem to work good
>
> but then i just do
>
> pi@raspberrypi ~ $ sudo pd -nogui -rt -listdev
> no audio input devices found
> no audio output devices found
> API number 2
>
> no midi input devices found
> no midi output devices found
> priority 96 scheduling enabled.
> priority 98 scheduling enabled.
>
> no audio input/output
>
> suggestions?
>
> also thanks for the tut. any clue as to what can be wrong with the input?
>
> m
>
> On Thu, Sep 13, 2012 at 6:08 PM, Cyrille Henry ch@chnry.net wrote:
> > hello,
> >
> > Antoine and I did few test on a raspberry pi.
> >
> > to summarise, we did :
> > - use standard raspbian installation
> > - modify /etc/security/limits.conf as sugested by miller (adding : "* -
> > rtprio 99" and "* - memlock 1000000000")
> > - sudo apt-get update, upgrade and install git tk8.5-dev libasound2-dev
> >
> > git clone git://
> pure-data.git.sourceforge.net/gitroot/pure-data/pure-data
> > copy the configure file from pd 0.43
> > cd src , ./configure, make and sudo make install
> >
> > adding -rt in pd startup flag
> >
> >
> > using the integrated HDMI audio out gives 20ms audio buffer minimum to
> avoid
> > click, when cpu is unused.
> > with nusmuk-audio analog synth emulation (that use 35% cpu when the
> > oscilloscope is removed), 25 ms buffer give no click, few can appear when
> > moving windows.
> >
> > with an old usb soundcard (edirol ua-1A), 10ms audio buffer is enough to
> > avoid click even when moving windows. (still using the same example
> patch)
> > (44100 or 48000KHz, block size of 64)
> >
> > in both case, audio input must be disable, we did not manage to use it
> > properly.
> >
> > details instruction (in french) can be seen on Antoine blog :
> > http://antoine.villeret.free.fr/?p=359
> >
> > cheers
> > Cyrille
> >
> >
> >
> >
> >
> >
> > _______________________________________________
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>
>
>
> --
> ____________________
> m.e.grimm | m.f.a | ed.m.
> megrimm@gmail.com
> _________________________________
>