Audio pop at the end of dvd

ajcourtney wrote on 12/29/2010, 9:27 AM
Every time I burn a DVD using a stereo PCM 48k/24 bit soundtrack, I hear a terrible digital noise spike (square wave) at the very end of the DVD right before it loops back to the menu. It does not happen during preview in dvda - only upon playing back on various standalone dvd players.

What can I do to eliminate this?

Comments

musicvid10 wrote on 12/29/2010, 9:43 AM
Is DVDA rendering your audio?
Is your DVDA project set to match your audio (it doesn't do this automatically)?
Is the original audio faded at the end (it should be)?
What happens if you drag the "out point" back one frame on the timeline?
ajcourtney wrote on 12/29/2010, 9:50 AM
(1) no, audio is rendered wav from either vegas pro or soundforge (and of course, no pop in either program)
(2) yes - 48k/24bit pcm
(3) yes
(4) haven't tried it so don't know
musicvid10 wrote on 12/29/2010, 10:18 AM
I just prepared a DVD in DVDA Pro 5.0, and using the audio source you specified, I'm unable to duplicate your results. Audio is quiet at the end, as I intended.

I didn't actually burn a disc, so my test doesn't rule out something happening at the player / audio amp level.

EDIT: I have had an occasional click at the beginning of an AC3-encoded audio track, but making a 1-frame adjustment on the DVDA timeline eliminated it.
ajcourtney wrote on 1/3/2011, 5:52 PM
"I just prepared a DVD in DVDA Pro 5.0, and using the audio source you specified, I'm unable to duplicate your results. Audio is quiet at the end, as I intended."

well then you actually did duplicate my results. re-read my original post.

i burned two dvd's (menuless single movie projects) and neither had any extraneous audio; so this has only been a problem with menu-based dvd's
musicvid10 wrote on 1/3/2011, 7:14 PM
The DVD I prepared with your audio parameters was menu based.
"Prepared" means the actual DVD folders, which play and return to menu identically to a burned disc.
Former user wrote on 1/3/2011, 7:18 PM
I have not had this problem, but you might try this.

If your menu has NO audio, put a blank audio track with the same audio settings as your movie. It could be something caused digitally when switching between a PCM track and no track, or the AC3 blank track that DVDA might create.

Just a thought.

Dave T2
Lucius Snow wrote on 1/5/2011, 4:27 AM
I've got the exact same problem with 48 kHz / 16 bit project since i installed Vegas 10 and DVD Architect 5.2. So i did new tests after rolling back to DVD Architect 5.0 but it didn't solve anything.

I wonder if the WAV - PCM file exported by Vegas 10 is not guilty.
A-ROB wrote on 1/21/2011, 10:31 PM
Yes, I have been using DVDA since the implimentation of Dolby Dig and have always gotten pops at the beginning of files. It is sporadic and can sometimes be in the preview but not in the burned disc. I've used DVDA on more than three PCs and all have the issue. I too use the workaround of leaving some blank space at the beginning and setting it to "start" a few frames after the pop.
Lucius Snow wrote on 1/24/2011, 12:24 PM
I confirm that WAV - PCM export from Vegas is guilty. I tried with another WAV - PCM file exported from somewhere else, no pop anymore.