Re: PCM format 20 bit

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On Sun, 22 Oct 2006 18:11:55 +0200
"Assaf Hoffman" <hoffman@xxxxxxxxxxx> wrote:

> My HW supports 20-bit sample using 32-bit phy frame. As I understand,
> the only way the ALSA supports the 20-bit sample is 24-bit frame
> (SNDRV_PCM_FORMAT_x20_3xE).
>
> Please advice.

If it's 20 bits left-aligned in 32 bits, you can use S32_LE or similar
formats. For example the old echoaudio cards based on the DSP 56301 use
S32_LE but only the upper 20 bits contain data.


--
Giuliano.

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