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View Full Version : Possible bug in audio resampling - AVI2SVCD


Abend
11th March 2002, 23:42
When AVI file has 44.1 sampling rate and "Audio downsample" is unchecked, BeSweet will run ssrc.dll and "upsample" to 48 during mp2 encoding phase.
DVD2SVCD 1.0.7b4 and BeSweet 1.2 final mp2enc.dll 1.129

BeSweet v1.2 logfile.
--------------------------
Logging start : 03/12/02 , 00:11:15.

C:\Program Files\DVD2SVCD\BeSweet\BeSweet.exe -core( -input C:\Movies\DVD2SVCD\Encoded_audio_1.mp2.wav -output C:\Movies\DVD2SVCD\Encoded_audio_1.mp2 -logfile C:\Movies\DVD2SVCD\Encoded_audio_1.log ) -ota( -g max ) -ssrc( --rate 48000 ) -2lame( -e -b 192 -m s )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : C:\Movies\DVD2SVCD\Encoded_audio_1.mp2.wav
[00:00:00:000] | Output: C:\Movies\DVD2SVCD\Encoded_audio_1.mp2
[00:00:00:000] | Floating-Point Process: Yes
[00:00:00:000] | Overall Track Gain: 0.0dB
[00:00:00:000] +-------- SSRC -------
[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] +-------- 2LAME ------
[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] +---------------------
[01:42:46:754] Conversion Completed !
[01:42:46:754] Actual Avg. Bitrate : 191kbps
[00:30:38:000] <-- Transcoding Duration
Logging ends : 03/12/02 , 00:41:53.

@DSPGuru quality is AMAZING I love your programm

DSPguru
12th March 2002, 05:57
it upsampled 'cased it been asked to :
Originally posted by Abend
C:\Program Files\DVD2SVCD\BeSweet\BeSweet.exe -core( -input C:\Movies\DVD2SVCD\Encoded_audio_1.mp2.wav -output C:\Movies\DVD2SVCD\Encoded_audio_1.mp2 -logfile C:\Movies\DVD2SVCD\Encoded_audio_1.log ) -ota( -g max ) -ssrc( --rate 48000 ) -2lame( -e -b 192 -m s )

@DSPGuru quality is AMAZING I love your programm 10x :cool: !

Abend
12th March 2002, 09:31
Yep, I know. But it should NOT be asked, I think.:-)
That's why I posted in D2S forum and not audio :-)
IMHO there is no point in "upsampling"

DSPguru
12th March 2002, 18:10
very well :cool: