linuxaudio.org

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On Fri, Aug 31, 2012 at 8:39 AM, Alexandre  wrote:
> Hi

quoted text
>

> Kinda new to linux audio and still a bit new to dev generally and I'm

> trying to understand the basis of linux audio.

>

> By that, I mean the ALSA API :

> I would like to use the PCM interface and the mixer interface to mix 2

> sounds

the mixer interface does not do that. its an API to control the hardware

mixer (if any) present in the audio interface hardware. a lot of current

audio interface hardware is incapable of mixing sound from multiple

sources, so this is generally done in software.
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On Fri, Aug 31, 2012 at 8:39 AM, Alexand=

re <alexduthil@gmail.com> wrote:

HiKinda new to linux audio and still a bit new to dev=

 generally and I'm trying to understand the basis of linux audio.By that, I mean the ALSA API :I would like to use the PCM interface a=

nd the mixer interface to mix 2 sounds

the mixer interface does not do that. its an API to control the ha=

rdware mixer (if any) present in the audio interface hardware. a lot of cur=

rent audio interface hardware is incapable of mixing sound from multiple so=

urces, so this is generally done in software.
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