audio problems when burning a DVD

[cosypete]

I'm using vegas studio 9 platinum - fab programme but discovered a very annoying problem. I'm making a DVD for a friend and I have written some of my own music to go with it. The only problem is that when the DVD is finished my home made music has real volume issues as the sound dips and rises. The audio from the video I fire wired in is fine, so is any music I have ripped from a CD but not my own home made music. I write it in Ableton Live 8 and export it as a wav file and import it in. I tried it with the MP3's and it seemed worse. Any help gratefully received as I want to use my own music a lot more and obviously it doesn' work on DVD. BTW when I test the mpegs they play fine and I have tried the DVD on my laptop and the issue is the same.

Cheers Cosy Pete

[guns1inger]

If the mpeg file is OK then the issue would be coming from the authoring. This seems unlikely, unless the audio was re-encoded (badly) during the authoring process.

How did you mix the audio in Vegas ?
Did you output multi-channel audio, or stereo audio ?
If you output 5.1, how did you test the audio levels of all channels prior to authoring ?

[cosypete]

Hi guns1inger,

thanks for the reply. I have tried the mpeg again and it's fine. I use the stereo option each time. I make each part as an mpeg and then put them in and then burn to DVD. When I tried making it and then exporting direct to DVD the audio issues where worse. From what you are saying it's an authoring issue but why does it only happen on the music that I have written ??

Cosy Pete

[guns1inger]

It has to be something with how the audio is mixed from the Vegas timeline.

We can test if this is the case by authoring with a different tool. Download the free basic version of Muxman, and use your mpg file to create an authored DVD with it. Test and see how this plays, and if you get the same issues.