avi to svcd conversion - some 48Khz questions

[Wills]

Hi

I have an xvid avi, which I'm trying to rip to svcd.
Its audio is 48Khz Fraunhofer IIS MPEG Layer-3 Codec, which I believe is MP3, right?

I did the following:

1) VDub 'Direct Stream Copy' to a 110 Meg '.wav' file
2) rename '.wav' file to .mp3
3) Did a CDex 'Convert compressed audio file to wav file" --> gives me a 1 gig audio wav file. Checked it in WinAmp, and it was perfect. Great quality, but still 48khz.

So, when I try and use that in TMPGEnc as the audio source, it works fine and I get a good video result, but the audio is converted to 44khz by TMPGEnc, which makes the audio really 'resonant' - upper frequencies kind of 'echoey'.

So when should I convert to 44khz? At the start with VDub? I looked for it in CDex but it's not there (I think). I'm pretty sure it's TMPGEnc that's causing the sound problems while doing the conversion to 44khz.

I could use SoundForge, but seems like using a steamroller to crack a nut.

Is there a simple step I can do rather than adding another long step to my avi --> svcd conversion method?

Thanks all.

Most of my knowledge of the above came from my other posts in forums here. This site is the greatest.

:P
will

[chuckly]

Why not just leave it at 48khz?

[p_l]

This should help.

[Wills]

thanks my friend.

Perfect.

[Wills]

Does the SSRC (within TMPEnc) automatically work out what the sample rate and SSRC usage syntax shoud be?

No other settings to be defined?

thanks

will

[p_l]

Yes, that's the beauty of it. Instead of doing your sampling rate conversion manually, in VirtualDub for instance, SSRC in TMPGEnc is fully automated, once you have it set up. You'll see TMPGEnc first create a temporary .wav file, then SSRC kicks in in a DOS window and automatically converts your frequency sampling rate to the 44,100Hz spec called for when you choose (S)VCD as your target format in TMPGEnc. The temporary .wav is eventually automatically deleted. The whole process is automatic and the results sound great.

[Wills]

You mean 44,000 khz for (S)VCD, right?

I've just started doing one and it looks like it's doing it exactly as you say!
Thanks very much for your quick reply.

Gotta love these programmers.......

Wills

[Wills]

doh

that should read 44,000 Hz or 44 KHz.

Sorry

[p_l]

Actually, 44,100 Hz or 44.1 kHz.

The programmer's name is Naoki Shibata, who did a stint at Stanford University.