[FFmpeg-user] Trouble with LPCM audio from D-VHS deck
Mike Brown
brown at mrvideo.vidiot.com
Wed Feb 22 17:22:33 CET 2012
On Wed, Feb 22, 2012 at 09:27:18AM -0500, Mike Scheutzow wrote:
> With your patch, the resulting .wav file waveforms look really bad (severe
> phase reversals), so something is not right.
>
> I can't say for certain it is wrong, since I have no way to know what the
> audio is supposed to look/sound like.
Should be 1kHz tone.
> I spent a few minutes on http://www.coolstf.com/tsreader/ to see if they
> document their tool's file format, but didn't find anything helpful.
It is a general transport stream, not anything that TSR produces. In this
case, it is a raw capture of the transport stream that the D-VHS deck sends
down the firewire.
MB
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