Re: aloop questions and a possible suggestion

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Xover wrote:
> Clemens Ladisch <cladisch <at> googlemail.com> writes:
>> Xover wrote:
>>> Clemens Ladisch <cladisch <at> googlemail.com> writes:
>>>> It is intended to be used when there is no actual hardware device.
>>>
>>> By way of some background, what is the snd-loop rate shift facility intended
>>> to be used for?
>>
>> To synchronize with some other clock.
>>
>> (Which is what you were doing; but a plugin doesn't require
>> synchronization to begin with.)
>
> The thing is, I see people using the snd-aloop driver as a means to tee off
> audio between an application and a sound card, or even as a means to
> connect one audio source to two sound cards, all over the place. Sometimes
> they set the rate shift manually in an attempt to prevent the inevitable
> drift problems, but of course without 'closing the loop' this will always
> result in disaster eventually.
>
> In the simple requirement of needing to record the output of an audio
> player app while at the same time listening to it on a real (playback-only)
> sound card, what should they do?

Use PulseAudio.  ;-)

Or the file plugin.  (Which isn't easy to use.  It uses either a fixed file
name, or an external script which you have to write yourself.)


Regards,
Clemens

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