AC3 from Aften longer than source

[kadajawi]

Hello,
Aften is driving me mad. I want to burn a video from a camera with 5.1 sound onto DVD. Cut it together using Premiere Pro, so I wanted to burn it using Encore. The problem is Premiere/Encore will only convert to 2.0 AC3, if you want 5.1 you've got to spend even more. So I encoded the MPEG2 video in Premiere, worked just fine. I also exported the audio as 5.1 WAV, which I then encoded using Aften. Works well... apart from the resulting file being LONGER than the original! I deactivated padding, same result. Anything I can do to force Aften to give me the exact duration of the original file? When I try to use these transcoded files in Encore it will complain that the file is too long...

The process worked with a couple of other DVDs, but this time it just won't work. Any ideas, suggestions?

[kadajawi]

Ok, strangely enough when I used foobar2000 to convert the AC3 file (using the same Aften.exe as I used by hand, and using the same command line...) the length was correct. Perhaps a problem with the WAV decoder?

[tebasuna51]

The same wav encoded directly with Aften have different duration than encoded with Foobar2000?

Yes, is strange. Please put/upload:

- Aften command line
- Filelength in bytes of wav file
- Wav header: First 100 bytes of wav file, you can use a hex editor or VirtualDub to cut this first 100 bytes.