[MPlayer-users] Sound issue with ac3 on PC speakers

[Andy Furniss]

Ingo Brückl wrote:

>
> What does
>
> AUDIO: 48000 Hz, 2 ch, ac3be, 448.0 kbit/29.17% (ratio:
> 56000->192000)
>
> mean? That doesn't look like a pass-through to me, but rather like a
> downmix or so.
>
> Why does it always report "2 ch", even if the source is "6 ch".

http://alsa.opensrc.org/DigitalOut

Says "... history dictates channels be set to 2, the default."

> What are
>
> AUDIO: 48000 Hz, 2 ch, ac3be, 448.0 kbit/29.17% (ratio:
> 56000->192000) [AO_ALSA] Format ac3be is not supported by hardware,
> trying default. AO: [alsa] 48000Hz 2ch ac3le (2 bytes per sample)
>
> supposed to mean?

I guess it just means that mplayer has to convert from big endian to
little endian as that is the format that your hardware takes.