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I got satellite HDTV installed a couple weeks ago. While flipping through the HD channels and ooo'ing and aaahh'ing about the picture quality I noticed the audio and video were not in sync on a couple channels.
After visiting the satellite company's peer-to-peer user forum I learned that satellite HD broadcast uses MPEG for video compression. On occasion, they too have problems with audio/video sync just like us DVD burning people.
I'm beginning to think that there is something fundamentally wrong with the way the MPEG standard is set up for sync'ing audio and video.
Lance
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Av Sync Problems - It's Everywhere Satellite HDTV
#1
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Posted 31 March 2006 - 11:31 PM
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Intel P4 HT, 2.6GHz w/ D875PBZ motherboard, 2.5GB RAM,
2x36GB WD Raptor SATA disks in striped array, 1x120GB Maxtor IDE disks,
Nvidia 7600GS video, Hauppauge PVR250, Pioneer DVR-110D, LiteOn 52x CD burner
EMC 10 (tried the rest, kept the best)
Intel P4 HT, 2.6GHz w/ D875PBZ motherboard, 2.5GB RAM,
2x36GB WD Raptor SATA disks in striped array, 1x120GB Maxtor IDE disks,
Nvidia 7600GS video, Hauppauge PVR250, Pioneer DVR-110D, LiteOn 52x CD burner
EMC 10 (tried the rest, kept the best)
#2
- Digital Guru
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Posted 01 April 2006 - 03:28 AM
lehill, on Apr 1 2006, 02:31 AM, said:
I got satellite HDTV installed a couple weeks ago. While flipping through the HD channels and ooo'ing and aaahh'ing about the picture quality I noticed the audio and video were not in sync on a couple channels.
After visiting the satellite company's peer-to-peer user forum I learned that satellite HD broadcast uses MPEG for video compression. On occasion, they too have problems with audio/video sync just like us DVD burning people.
I'm beginning to think that there is something fundamentally wrong with the way the MPEG standard is set up for sync'ing audio and video.
Lance
*****
After visiting the satellite company's peer-to-peer user forum I learned that satellite HD broadcast uses MPEG for video compression. On occasion, they too have problems with audio/video sync just like us DVD burning people.
I'm beginning to think that there is something fundamentally wrong with the way the MPEG standard is set up for sync'ing audio and video.
Lance
*****
I don't think there is anything wrong with the mpeg format but it does show that in the encoding and decoding of the files, something has a problem…
It isn't just satellite, I have seen the same thing with many cable shows. It is usually the lower budget productions.
Dell 8300 3.0ghz 1.5gb RAM 300gb & 200gb HDs
XP Pro/SP2
NVIDIA GeForce4 MX 440 w/AGP8X
XP Pro/SP2
NVIDIA GeForce4 MX 440 w/AGP8X
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