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#1
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Blu-ray versus DVD audio
I have DVD's which were in 5.1 (6 channels), but Dolby Digital and lossy. Is
it true that the Blu-ray, now in 7.1 DTS (and offering 8 channels), is lossless on all channels? One other thing, although I have a DVD player with 6 channel output, I also used to use a program called "DVD audio extractor" to separate each channel into a separate .wav file. Is there anything that will do this for Blu-ray? My current Blu-ray player does not offer the 8 channel output. Thanks |
#2
Posted to rec.audio.pro
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Blu-ray versus DVD audio
I have DVD's which were in 5.1 (6 channels), but Dolby Digital
and lossy. Is it true that the Blu-ray, now in 7.1 DTS (and offering 8 channels), is lossless on all channels? DTS is not lossless. But the DTS Master system used on Blu-rays is. Ditto for the Dolby version of same. |
#3
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Blu-ray versus DVD audio
"William Sommerwerck" wrote in message ... I have DVD's which were in 5.1 (6 channels), but Dolby Digital and lossy. Is it true that the Blu-ray, now in 7.1 DTS (and offering 8 channels), is lossless on all channels? DTS is not lossless. But the DTS Master system used on Blu-rays is. Ditto for the Dolby version of same. So, if the back of my Blu-ray disc says the following: DTS-HD Master Audio English 4468 kbps 7.1 / 48 kHz / 4468 kbps / 24-bit it is lossless and on all channels also? Sorry for the confusion. |
#4
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Blu-ray versus DVD audio
So, if the back of my Blu-ray disc says...
DTS-HD Master Audio English 4468 kbps 7.1 / 48 kHz / 4468 kbps / 24-bit it is lossless and on all channels also? Yes, if you're playing the DTS-HD Master Audio tracks. Most BDs default to the highest-resolution audio, but not all do. The Valencia "Ring" defaults to two-channel linear digital. You have to manually select the 7.1 tracks. You can tell which tracks are playing by pressing the Audio button on the BD player. Repeated presses select different audio tracks (if available). (The commentary tracks are usually limited to two-channel sound, often lossy.) Most disks let you switch without stopping or pausing playback. The Setup screen should also allow selection. Sorry for the confusion. Why should you apologize? |
#5
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Blu-ray versus DVD audio
"XsssX" wrote in message
I have DVD's which were in 5.1 (6 channels), but Dolby Digital and lossy. That is very common, but they could also be DTS or PCM. Is it true that the Blu-ray, now in 7.1 DTS (and offering 8 channels), is lossless on all channels? Like DVD Blu Ray is producer's choice, but there are more choices: http://en.wikipedia.org/wiki/Blu-ray_Disc "For audio, BD-ROM players are required to support Dolby Digital (AC-3), DTS, and linear PCM. Players may optionally support Dolby Digital Plus and DTS-HD High Resolution Audio as well as lossless formats Dolby TrueHD and DTS-HD Master Audio.[95] BD-ROM titles must use one of the mandatory schemes for the primary soundtrack. A secondary audiotrack, if present, may use any of the mandatory or optional codecs." One other thing, although I have a DVD player with 6 channel output, I also used to use a program called "DVD audio extractor" to separate each channel into a separate .wav file. Is there anything that will do this for Blu-ray? My current Blu-ray player does not offer the 8 channel output. Your first trick is breaking the content management scheme that is used on Blu Ray discs... It can be done. |
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