On Sun, 22 Aug 2004, Anne Wilson wrote:
> > and is it at a 48000 sampling
> > rate (which is required for DVD)? I think mp2enc will automatically
> > downsample to 44100 unless told otherwise - and 44100 is not valid
> > for a DVD.
> >
> That looks like it -
>
> INFO: [mplex] MPEG AUDIO STREAM: c0
> INFO: [mplex] Audio version : 1.0
> INFO: [mplex] Layer : 2
> INFO: [mplex] CRC checksums : no
> INFO: [mplex] Bit rate : 28672 bytes/sec (224 kbit/sec)
> INFO: [mplex] Frequency : 44100 Hz
> INFO: [mplex] Mode : 0 stereo
>
> The man page for mpeg2enc gives a huge number of parameters, but none look to
> be relevant, unless just setting -f 8 takes care of it?
It's not mpeg2enc (or mplex) that is encoding the audio.
I believe you used 'mp2enc' to encode the audio - you may have
either specified "mp2enc -V ..." or simply defaulted the sampling rate
(and the default is 44100). The default is a carryover from the
VCD/SVCD era. That generates VCD compatible audio which is not
suitable for DVD use. What you really needed was "-r 48000" so
that mp2enc would encode at the 48000 sampling rate. Perhaps today
the default sampling rate in mp2enc should be changed now that DVD
creation has become more popular.
Cheers,
Steven Schultz
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