I've got same sync problem encoding on-demand video H.264 with 24khz
AAC audio.
So I changed to 22050 and it works fine now.
Note: source file is always a regular FinalCut DV stream 720x480 NTSC
48Khz Audio.
On Oct 31, 2005, at 8:06 AM, Fabio DE RICCARDIS wrote:
Lately we are recording extra long movies with QuickTime (Mac OS X
10.4.x, QuickTime 7.0.x)
Typical movie recording durations are 2 to 15 hours.
Hereunder the applications we use to record the movies are listed:
* ChannelStorm (http://channelstorm.com/) Live Channel Pro 2.2.2
(Tiger edition)
* Apple QuickTime Player 7.0.x Pro ("new movie recording" option)
We tried a hole host of audio/video codec combinations but, for
almost all of them, we got an acceptable audio-video offset (1 to 5
seconds) after the first hour of recording.
Offsets seem to increase *roughly* linearly with time. Most
combinations give audio in advance with respect to video. The
remaining combinations behave the other way round.
Anyone?
--
Fabio DE RICCARDIS
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|> tel +39 0832 344041 | fax +39 0832 340228
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