Any way to get Dolby surround sound in DivX?

[Shooters]

Is there any way to encode DVD audio into true surround sound when doing DivX? Right now I'm using GraphEdit to extract the WAV from the VOB file. I use the InterVideo Audio filter, and when I go to the properties there is an option for Dolby Surround under the 2-speaker mode button, but when I play the WAV file, the audio from my rear speakers are identical to the fronts. There is also an option for 4-speaker mode and I'm guessing that this will give me the results that I want, but the option is greyed out and I can't select it. Does anyone know how to encode audio for DivX and get true Dolby Surround sound particularly when going from VOB ----> WAV -----> mp3?

 

[Shooters]

Well, I browsed through some DivX pages and it seems that mp3 is only capable of stereo format.....bummer.

 

[jonMEGA]

an .ac3 file is surround sound

 

[GhettoFob]

yeah, just rip the ac3 audio, you most likely will want to make your rips 2cd though

 

[Shooters]

Do I just multiplex the ac3 sound file with the DivX video file? Will Windows Media Player recognize the ac3 sound format?

 

[Nefrodite]

why aren't you two passing the video? and what is true surround sound? dolby digital 5.1 or dolby pro logic? your def not mine

 

[urameatball]

well, knowing how divx use mp3 format for audio... and mp3 is restricted to 2 channel. I don't think you can.

you can get surround by plugging it into a receiver that supports dolby pro-logic or prologic II. that'll give you an artificial 5.1 effect.

 

[Shooters]

<< why aren't you two passing the video? and what is true surround sound? dolby digital 5.1 or dolby pro logic? your def not mine >>


I am two passing the video using DivX 4. When I say true surround sound, I just mean that the rear speakers are independent of the fronts and do not duplicate the audio that comes from the front channels.

 

[manly]

The thing is, this is an exercise is trade-off. In space vs. quality.

Do you really need that much audio quality? Not to mention mp3 is decoded with a few spare CPU cycles by most newer CPUs, but AC3 is much more processor-intensive. DivX decoding is very processor-intensive as well.

Considering that DivX is probably lower-grade than the original DVD MPEG2 video, do you really need full-quality AC3 audio?

Such a rip won't be as universal, because it would only decode well on faster computers.

If you're stealing bits from the DivX video to keep the AC3 audio, there's some point where you've defeated the purpose of the job (to make a hi-fidelity DVD rip). Unless you really care that much about surround sound, relative to video quality.

Personally, I'm more sensitive to video quality than audio quality.