[gst-devel] What is the audio 'depth' setting?

[LRN]

On 04.01.2010 22:21, Ron Yorgason wrote:
> Often when I see audio recording command examples, it looks something like this:
>
> audio/x-raw-int,channels=1,depth=16,width=16,rate=48000
>
> I'm pretty sure the width=16 means we're using 16 bit audio because
> when I go down to the driver layer, Alsa passes in to my driver that
> it's using 16 bit audio.  But what does the depth=16 do?
>   
width - bits per sample
depth - bits ACTUALLY USED FOR AUDIO per sample
You can have 32-bit samples, but in each 32-bit group only 16 or 24 bits
will be used.
This is to achieve necessary alignment.
> --Ron
>
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