[PD] PD with Ubuntu Karmic - no sound

[cyrille henry]

Hans-Christoph Steiner a écrit :
> 
> How would we make Pd use that ALSA compatibility layer?  I know about 
> the OSS emulation in Pulseaudio, I believe that would work by doing 
> 'padsp pd'.
padsp pd add to much latency, it is clearly unusable for pd.

on karmic, i have to set pd audio buffer to 400ms...

c

> 
> .hc
> 
> On Nov 13, 2009, at 11:28 PM, John Harrison wrote:
> 
>> IIRC there is some sort of ALSA compatibility layer in Pulseaudio and 
>> I think it would be nice if Pd-extended could choose this ALSA 
>> "driver" or "soft card" or whatever it would be called. That would be 
>> a better solution than pasuspender because then Pd would be playing 
>> "nice" with all the other sound apps concurrently. Latency might be 
>> slightly worse but I think for beginners at least the initial 
>> experience would be more positive, as many of these users are coming 
>> from OS X and Windows platforms where sound applications sharing the 
>> same sound card concurrently is expected behavior.
>>
>> I also vaguely remember the pulseaudio is only an issue with ALSA when 
>> there is no hardware mixer in the card. But my guess is that would be 
>> all cheap sound cards, since it has been the case with the built-in 
>> cards on all the Linux-based laptops I run into.
>>
>> -John
>>
>> On Fri, Nov 13, 2009 at 6:50 PM, Hans-Christoph Steiner <hans at at.or.at 
>> <mailto:hans at at.or.at>> wrote:
>>
>>
>>     Is pasuspender something that could be integrated into the
>>     Pd-extended menu launch item somehow?  I'd really like to make
>>     sure that Pd will output audio by just starting it in Debian/Ubunut.
>>
>>     .hc
>>
>>     On Nov 12, 2009, at 12:09 PM, John Harrison wrote:
>>
>>>     could be pulseaudio is the problem?
>>>
>>>     from the command line try
>>>
>>>     pasuspender pd
>>>
>>>     On Thu, Nov 12, 2009 at 9:28 AM, Aditya Mandayam
>>>     <adityams at gmail.com <mailto:adityams at gmail.com>> wrote:
>>>
>>>         hi,
>>>
>>>         i have pd installed on ubunty 9.10 - karmic koala.
>>>
>>>         i have absolutely no sound when i fire up pd. i've tried fooling
>>>         around with the Media>settings for OSS, ALSA, jack, default MIDI.
>>>
>>>         No sound. What gives?
>>>
>>>         Thank you,
>>>
>>>         Y
>>>
>>>         _______________________________________________
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>>>
>>>
>>>
>>>     -- 
>>>     John
>>>     http://alumni.media.mit.edu/~harrison/
>>>     <http://alumni.media.mit.edu/%7Eharrison/>
>>>     _______________________________________________
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>>
>>
>>
>>     ----------------------------------------------------------------------------
>>
>>     Computer science is no more related to the computer than astronomy
>>     is related to the telescope.      -Edsger Dykstra
>>
>>
>>
>>
>>
>> -- 
>> John
>> http://alumni.media.mit.edu/~harrison/
> 
> 
> 
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