BeSweet output twice as fast as input

[Firewave]

I was using DVD2SVCD 1.2.1 build 3 to convert an AVI to a SVCD. So far it always worked without problems. But a few days ago I had a problem with one video. The sound was twice as fast as it was supposed to be. I checked all the different states of the audio files and recognised, that the transcoding produced a half as long, but twice a fast result (although the right time was shown during processing).
DVD2SVCD bundles an older version than the actual one available on the homepage (v1.5b19 to be exact), so I got the latest version (v1.5b25) and tried it again with teh same parameters. The result was still the same.

Here is the log my BeSweet:

BeSweet v1.5b25 by DSPguru.
--------------------------
Using Shibatch.dll v0.24 by Naoki Shibata & DSPguru (shibatch.sourceforge.net).
Using MP2enc.dll v1.129 (23/5/2002), Engine 1.129 <http://www.cdex.n3.net>.

Logging start : 02/18/04 , 11:23:30.

G:\DVD2SVCD\TEMP\BESWEET\BESWEET.EXE -core( -input G:\DVD2SVCD\temp\Encoded_audio_1.mp2.wav -output G:\DVD2SVCD\temp\Encoded_audio_1.mp2 -logfile G:\DVD2SVCD\temp\Encoded_audio_1.log ) -ota( -g max ) -shibatch( --rate 44100 ) -2lame( -e -b 192 -m s )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : G:\DVD2SVCD\temp\Encoded_audio_1.mp2.wav
[00:00:00:000] | Output: G:\DVD2SVCD\temp\Encoded_audio_1.mp2
[00:00:00:000] | Floating-Point Process: Yes
[00:00:00:000] | Overall Track Gain: 3.629dB
[00:00:00:000] +------ Shibatch -----
[00:00:00:000] | Source Sample-Rate: 48.0KHz
[00:00:00:000] | Dest. Sample-Rate: 44.1KHz
[00:00:00:000] | Attenuation : 0.0db
[00:00:00:000] +------- MP2ENC ------
[00:00:00:000] | Bitrate method : CBR
[00:00:00:000] | MP2 bitrate : 192
[00:00:00:000] | Channels Mode : Stereo
[00:00:00:000] | Error Protection: Yes
[00:00:00:000] +---------------------
[01:06:46:644] Conversion Completed !
[01:06:46:644] Actual Avg. Bitrate : 95kbps
[00:10:17:000] <-- Transcoding Duration

Logging ends : 02/18/04 , 11:33:47.

And here are the AVI information, exported with GSpot v2.21:

AVI File Details
========================================
Filesize.....: 699 MB (or 716,674 KB or 733,874,176 bytes)
Runtime......: 01:06:39 (99,982 fr)
Video Codec..: DivX 3 Low-Motion
Video Bitrate: 1379 kb/s
Audio Codec..: 0x0055(MP3) ID'd as MPEG-1 Layer 3
Audio Bitrate: 80 kb/s, monophonic CBR
Frame Size...: 576x432 (1.33:1) [=4:3]

[KpeX]

This appears to me to be a problem with how the audio was extracted. Since there hasn't been any reply yet, we'll move this to D2S. I'd recommend you post your full AVI2SVCD log.

[Firewave]

I don't think that the problem is caused by the extracted audio. I will mess around a bit with BeSweet today.

I just got an email from a guy named "tslug". He experienced the same problem:

I'm not allowed to post to the forum yet since I just registered, but I wanted to let you know what I found, and maybe you can post it as a reply to your thread on my behalf.

I experienced the exact same problem, and I noticed that it was trying to encode my 44.1KHz source at 48KHz. So I changed it and ran BeSweet manually to do a 44.1KHz encode, and the resulting mp2 was exactly correct. Here's my BeSweet log:

BeSweet v1.5b19 by DSPguru.
--------------------------
Using Shibatch.dll v0.24 by Naoki Shibata & DSPguru (shibatch.sourceforge.net).
Using MP2enc.dll v1.129 (23/5/2002), Engine 1.129 <http://www.cdex.n3.net>.

Logging start : 03/02/04 , 07:02:52.

C:\DVD2SVCD\BeSweet\BeSweet.exe -core( -input J:\escape\Encoded_audio_1.mp2.wav -output J:\escape\Encoded_audio_3.mp2 -logfile J:\escape\Encoded_audio_1.log ) -ota( -g max ) -shibatch( --rate 48000 ) -2lame( -e -b 160 -m s )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : J:\escape\Encoded_audio_1.mp2.wav
[00:00:00:000] | Output: J:\escape\Encoded_audio_3.mp2
[00:00:00:000] | Floating-Point Process: Yes
[00:00:00:000] | Overall Track Gain: 1.404dB
[00:00:00:000] +------ Shibatch -----
[00:00:00:000] | Source Sample-Rate: 44.1KHz
[00:00:00:000] | Dest. Sample-Rate: 48.0KHz
[00:00:00:000] | Attenuation : 0.0db
[00:00:00:000] +------- MP2ENC ------
[00:00:00:000] | Bitrate method : CBR
[00:00:00:000] | MP2 bitrate : 160
[00:00:00:000] | Channels Mode : Stereo
[00:00:00:000] | Error Protection: Yes
[00:00:00:000] +---------------------
[01:32:11:576] Conversion Completed !
[01:32:11:576] Actual Avg. Bitrate : 79kbps
[00:03:46:000] <-- Transcoding Duration

Logging ends : 03/02/04 , 07:06:38.

So I opened a command prompt and pasted this: C:\DVD2SVCD\BeSweet\BeSweet.exe -core( -input J:\escape\Encoded_audio_1.mp2.wav -output J:\escape\Encoded_audio_3.mp2 -logfile J:\escape\Encoded_audio_1.log ) -ota( -g max ) -shibatch( --rate 44100 ) -2lame( -e -b 160 -m s )

and it worked fine. Maybe checking "Downsample to 44.1" in DVD2SVCD will prevent this from happening?

HTH.

[Firewave]

Well..I played a little bit around and first I thought it might be because of mono -> stereo transcoding. But the output was still 33min. So I tried to remove the frequency conversion and the result was OK. Maybe it's the shibatch filter and mono files.

Here is my log:

BeSweet v1.5b25 by DSPguru.
--------------------------
Using MP2enc.dll v1.129 (23/5/2002), Engine 1.129 <http://www.cdex.n3.net>.

Logging start : 03/02/04 , 19:45:56.

G:\DVD2SVCD\TEMP\BESWEET\BESWEET.EXE -core( -input G:\DVD2SVCD\temp\Encoded_audio_1.mp2.wav -output G:\DVD2SVCD\temp\Encoded_audio_1.mp2 -logfile G:\DVD2SVCD\temp\Encoded_audio_1.log ) -ota( -g max ) -2lame( -e -b 192 -m s )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : G:\DVD2SVCD\temp\Encoded_audio_1.mp2.wav
[00:00:00:000] | Output: G:\DVD2SVCD\temp\Encoded_audio_1.mp2
[00:00:00:000] | Floating-Point Process: Yes
[00:00:00:000] | Overall Track Gain: 3.629dB
[00:00:00:000] | Source Sample-Rate: 48.0KHz
[00:00:00:000] +------- MP2ENC ------
[00:00:00:000] | Bitrate method : CBR
[00:00:00:000] | MP2 bitrate : 192
[00:00:00:000] | Channels Mode : Stereo
[00:00:00:000] | Error Protection: Yes
[00:00:00:000] +---------------------
[01:06:39:264] Conversion Completed !
[01:06:39:264] Actual Avg. Bitrate : 192kbps
[00:06:39:000] <-- Transcoding Duration

Logging ends : 03/02/04 , 19:52:35.

[ralphthedog]

DVD2SVCD can be real choosy when it comes to AVI inputs.

I always run any AVI's through Virtualdub first, to convert the audio to uncompressed stereo 48khz and correct the framerate if need be.