16 Mar
2011
16 Mar
'11
8:21 a.m.
Patrick Lai wrote:
Why is AC3 passthrough acceptable
Because it pretends to be a normal 16-bit stereo stream at 48 kHz, the only difference is that the IEC958 non-audio bit is set.
but not other compressed audio format?
Other formats like DTS or WMA can be transported in the same way.
Eliot Blennerhassett wrote:
ALSA might be extended to cope with compressed audio with fixed frame size and bitrate, but dealing with any VBR encoding is likely to be even more problematic.
Regards, Clemens