I've just been experimenting with 1.8.0's vastly
improved lpcm capabilities, and seem to have found one
more problem:
Mplex's 24-bit lpcm PES packet payloads aren't aligned
to the nearest fully-resolved sample boundary, e.g. a
typical packet, (subtracting headers) works out to, in
the case of
Hi again,
just ran across an audio test disk with a
comprehensive set of lpcm varieties at
http://www.videohelp.com/~jsoto/AudioTests/
No information on what tool was used to author the
tracks, but the payloads appear to be:
LPCM TYPE
Hi all,I've written a utility to author audio-only lpcm dvd's using mplex+dvdauthor; and though I'm feeding mplex audio and video of precisely equal duration, still get an audio gap at each chapter point. For instance using (24/96/2ch, NTSC) chapter 1 : A.lpcm=27027 frames (x 150 = 4054050 pts
Also, I just recorded the gaps via audacity, and the straight-line segment of thewaveform seems to be consistently about 15 ntsc frames i.e half a second long.
Yahoo! Mail goes everywhere you do. Get it on your phone.
mpeg2desc output(A.mpg): mpeg2 pack hdr, 0.000 sec000e: system header; length=180026: pes private2; length=9800400: pes private2; length=10180800: mpeg2 pack hdr, 0.001 sec080e: pes video 0; length=2028; hdr=16; pts 0.178 sec; dts
Well folks(?),No responses but I appear to have made some headway, which I'll share here in case someone's out there somewhere scratching their own head over this.The problem seems to have to do with dvdauthor's STC discontinuity at the chapter points when it's fed one file per chapter; the
Brand New Audio DVD-V Software - Beta testers wanted!Folks, announcing the release of Lplex 0.1 Beta, a simple drag-and-drop open-source win32 console utility intended to provide a free, quick, and hopefully painless way to - create a playable full-resolution "audio-only" dvd-video disc from
