[PD] another user experience with raspberry pi

[m.e.grimm]

> did you start pd with alsa ?

no... but i just did! works yes!

i forgot about that option

it wasnt necessary w/ just an apt-get install

so yeah maybe add to your blog post?

cheers
m


On Fri, Sep 14, 2012 at 1:29 PM, Antoine Villeret
<antoine.villeret at gmail.com> wrote:
> 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 at 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 at 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 at 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 at gmail.com
>> _________________________________
>
>



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