surround in SVCD

sifonjoe · 4th April 2002, 08:50

Is it possible hear surround audio on SVCD? I download THX trailer from DVD lab (when this server was free) and i hear this audio in my standalone DVD Yamaha and receiver Yamaha.

adam · 4th April 2002, 15:53

What you are hearing is either Dolby surround or Dolby prologic, both of which are derived from 2 channel stereo sound. Basically if you want to duplicate this audio then simply do a surround sound downmix when you author your svcds. Most conventional audio encoding methods allow for this, ie: azid, dvd2avi etc...

The svcd standard does allow for multichannel mpeg audio, which supports I believe up to 7.1 channels and is literally as good a quality as Dolby Digital, but unfortanately the hardware support is very limited. I think only Philips dvd players can correctly export the correct signal but you may want to check out a thread on it in the Audio forum just to be sure.

sifonjoe · 5th April 2002, 06:02

tkanks adam, can u send me any short guide for rip and encode audio?

adam · 5th April 2002, 20:33

Just use the ones on www.doom9.net. Personally I use BeSweet.

DSPguru · 5th April 2002, 20:38

http://doom9.org/ac3tomp2.htm

you can use a surround downmix. make sure to choose 'stereo' mode for channels.

Dg.

4th April 2002, 08:50	#1 \| Link
sifonjoe Registered User Join Date: Mar 2002 Location: Slovakia Posts: 6	surround in SVCD Is it possible hear surround audio on SVCD? I download THX trailer from DVD lab (when this server was free) and i hear this audio in my standalone DVD Yamaha and receiver Yamaha.

5th April 2002, 20:38	#5 \| Link
DSPguru BeSweet Author Join Date: Oct 2001 Location: On top of a supercompact cardinal Posts: 3,506	http://doom9.org/ac3tomp2.htm you can use a surround downmix. make sure to choose 'stereo' mode for channels. Dg. __________________ FAQs : BeSweet, Audio :readfaq: Homepage : DSPguru's Webpage http://dspguru.notrace.dk/cs.gif Guides : Multilingual Guides of my tools http://dspguru.notrace.dk/1zhelp.gif

4th April 2002, 15:53	#2 \| Link
adam Registered User Join Date: Oct 2001 Posts: 450	What you are hearing is either Dolby surround or Dolby prologic, both of which are derived from 2 channel stereo sound. Basically if you want to duplicate this audio then simply do a surround sound downmix when you author your svcds. Most conventional audio encoding methods allow for this, ie: azid, dvd2avi etc... The svcd standard does allow for multichannel mpeg audio, which supports I believe up to 7.1 channels and is literally as good a quality as Dolby Digital, but unfortanately the hardware support is very limited. I think only Philips dvd players can correctly export the correct signal but you may want to check out a thread on it in the Audio forum just to be sure.

5th April 2002, 06:02	#3 \| Link
sifonjoe Registered User Join Date: Mar 2002 Location: Slovakia Posts: 6	tkanks adam, can u send me any short guide for rip and encode audio?

5th April 2002, 20:33	#4 \| Link
adam Registered User Join Date: Oct 2001 Posts: 450	Just use the ones on www.doom9.net. Personally I use BeSweet.