Create surround from stereo audio

[YZ_-Freak]

I have read through the guides and other threads and am more confused than when I started.

I do VHS to DVD conversion of older material for bands and such. I capture through a Canopus ADVC100. Once the video is processed, I extract the audio and clean it up as best I can with Cool Edit, then encode to AC3 with BeSweet. Most of the tapes that I convert always have surround sound (ie all 5 speakers). However, I have a performance that is in stereo, but only through the center and front left and right speakers. Exactly what do I need to do to get 5 channel sound?

I have looked at the Guide to Stereo to 5 Channel and created a wav file with 6 mono wavs, then seperated into 6 wavs. But I'm not sure what I need to do next. It would seem as the guide is used for creating audio cd's or DTS tracks. I want to convert back to AC3.
I have also looked at the thread about feeding BeSweet all 6 mono files via a mux list, but it was confusing too and I am not sure if it will produce a surround file either.

Can someone point me in the right direction...

[echooff]

Ensure the audio is 48,000 hz with a ac3 header. What software are you using to capture? I just purchased the canopus advc100 is why I ask.

[YZ_-Freak]

The audio from the captured .avi file from the Canopus is a 48000hz wav file. When the audio is extracted and loaded into a wav editor, it shows up as 2 channel stereo.
When I encode other projects with BeSweet, I always choose 448 AC3 and 5.1 as my AC3 encoding options. However, this file does not have any rear channel output. I am wondering if there is any way to simulate or get some type of audio output through the rear channels.

BTW, I use Premiere to capture with. I have tried others like WinDV and Scenalyzer Live, but like Premiere the best. I then load the file in VirtualDub to trim the video and apply filters, and do my final MPEG2 encoding with Canopus Procoder.

[echooff]

Try this thread (http://forum.doom9.org/showthread.php?s=&threadid=56020) OR this (http://forum.doom9.org/showthread.php?s=&threadid=61757&highlight=AC3+ENCODING) or this is my favorite (http://forum.doom9.org/showthread.php?s=&threadid=29277)

[YZ_-Freak]

Thank you for the help.
I am getting very close to my goal. I ended up following the GUIDE: Stereo to 5-Channel Surround. My problem is the rear output was too low. So I increased the db of the SR and SL wav by about 10db in CoolEdit to get my desired results. However, for the life of me, I can not get BeSweet to merge the 6 mono files 448 5.1 AC3
here is my list.mux:
D:\FL.wav
D:\C.wav
D:\FR.wav
D:\SL.wav
D:\SR.wav
D:\LFE.wav

this is my BeSweet Log:
BeSweet v1.5b23 by DSPguru.
--------------------------
Using AC3enc.dll v0.2 by Gerard Lantau & Dg (http://ffmpeg.org).

Logging start : 11/28/03 , 23:23:34.

BeSweet.exe -core( -input D:\list.mux -output D:\test.ac3 -logfilea D:\BeSweet.log ) -ac3enc( -b 448 )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : D:\list.mux
[00:00:00:000] | Output: D:\test.ac3
[00:00:00:000] | Floating-Point Process: No
[00:00:00:000] | Source Sample-Rate: 48.0KHz
[00:00:00:000] +------- AC3ENC ------
[00:00:00:000] | Bitrate method : CBR
[00:00:00:000] | AC3 bitrate : 448
[00:00:00:000] | Channels Mode : 5.1
[00:00:00:000] | Error Protection: Yes
[00:00:00:000] +---------------------
[00:36:46:490] Conversion Completed !
[00:36:46:490] Actual Avg. Bitrate : 447kbps
[00:02:17:000] <-- Transcoding Duration

Logging ends : 11/28/03 , 23:25:51.

The output AC3 shows up as Dolby 3.0 in DVDLab. In past attempts to get the right level on the rear channels, BeSweet output was Dolby 5.1 in DVDLab. I authored the disc to DVD-RW and the sound was once again only through the front and center channels. The previous attempts when the level was too low the output in DVDLab was Dolby 5.1.
Am I using the wrong switch?

If I try and use the GUI to combine the 6 mono wavs to 5.1 448 AC3 using the following:
BeSweet v1.5b23 by DSPguru.
--------------------------
Using VOBInput.dll v1.3 by DVD2SVCD (http://www.dvd2svcd.org)
Using hip.dll v1.19 by Myers Carpenter <myers@users.sf.net>
Using Ogg Vorbis v1.0 dlls (http://www.vorbis.com).
Using azid.dll v1.8 (b825) by Midas (midas@egon.gyaloglo.hu).
Using AC3enc.dll v0.1 by Gerard Lantau & Dg (http://ffmpeg.org).

Logging start : 11/29/03 , 06:57:46.

d:\BeSweet.exe -core( -input d:\list.lst -output d:\list.ac3 -logfilea E:\Program Files\BeSweet\BeSweet.log ) -azid( --maximize ) -ac3enc( -b 448 ) -profile( ~~~~~ Default Profile ~~~~~ )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : D:\x-FL.wav
[00:00:00:000] | Output: d:\list.ac3
[00:00:00:000] | Floating-Point Process: No
[00:00:00:000] | Source Sample-Rate: 48.0KHz
[00:00:00:000] +------- AC3ENC ------
[00:00:00:000] | Bitrate method : CBR
[00:00:00:000] | AC3 bitrate : 448
[00:00:00:000] | Channels Mode : 5.1
[00:00:00:000] | Error Protection: Yes
[00:00:00:000] +---------------------
[00:36:46:448] | Input : D:\x-C.wav
[00:36:46:448] | Output: d:\list.ac3
[00:36:46:448] | Floating-Point Process: No
[00:36:46:448] | Source Sample-Rate: 48.0KHz
[00:36:46:448] +---------------------
[01:13:32:897] | Input : D:\x-FR.wav
[01:13:32:897] | Output: d:\list.ac3
[01:13:32:897] | Floating-Point Process: No
[01:13:32:897] | Source Sample-Rate: 48.0KHz
[01:13:32:897] +---------------------
[01:50:19:345] | Input : D:\x-sl.wav
[01:50:19:345] | Output: d:\list.ac3
[01:50:19:345] | Floating-Point Process: No
[01:50:19:345] | Source Sample-Rate: 48.0KHz
[01:50:19:345] +---------------------
[02:27:05:837] | Input : D:\x-sr.wav
[02:27:05:837] | Output: d:\list.ac3
[02:27:05:837] | Floating-Point Process: No
[02:27:05:837] | Source Sample-Rate: 48.0KHz
[02:27:05:837] +---------------------
[03:03:52:328] | Input : D:\x-LFE.wav
[03:03:52:328] | Output: d:\list.ac3
[03:03:52:328] | Floating-Point Process: No
[03:03:52:328] | Source Sample-Rate: 48.0KHz
[03:03:52:328] +---------------------
[03:40:38:776] Conversion Completed !
[03:40:38:776] Actual Avg. Bitrate : 149kbps
[00:09:24:000] <-- Transcoding Duration

Logging ends : 11/29/03 , 07:07:10.

I end up with a Dolby 448 5.1 AC3 file, but it is 2x the original files length in time (plays way too fast)....

I am frustrated and hopelessly confused

[Eye of Horus]

the answer for your questions is in the 6th message of this thread :
http://forum.doom9.org/showthread.php?s=&threadid=58073


kind regards,

EoH