[mythtv] [mythtv-commits] Ticket #5900: AO: Generalise upmix and AC-3 encoding

foo bar foobum at gmail.com
Mon Nov 10 01:23:00 UTC 2008

2008/11/10 John P Poet <jppoet at gmail.com>

> >  * Turn on resampler where sr != 48k ![1] [[BR]]
> This is optional, right?!?!
> I paid extra money for a soundcard that actually does 44.1KHz
> correctly, so I could have "bit perfect" audio.

At the moment it's not because recent versions of ALSA resample to 48k by
default anyway.
The SRC we use is *much* nicer than the linear interpolation that ALSA

Besides, many cards don't do 44.1k - ideally we'd know what the card
supports before we open it,
but it's a bit messy to implement and the SRC gives a SNR of 97dB at 97% bw
anyway. I really didn't
want to add any additional config, but happy to consider another way of
doing it..
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