Left escaping to the right ...

[megadriver]

Hi,

I have a band called MegaDriver and we play synchronized with videos in our shows. The right channel of the audio stream is the line with sound FX, keyboard and other stuff that should be open/audible for the audience, the left channel is the "power click track" that only our drummer, responsible for keeping us in the correct tempo, should listen.

I've noticed that when we play, specially when using very powerful audio equipment, the left channel is escaping a little to the right one and so the audience end up hearing a bit of our power click track. I'm using RAW PCM for the audio tracks, without any compression, and when I open just the audio track (the wave file) with any audio player, I can't see the problem, it sounds perfect. But when I play the video using any player, VLC, Windows Media, MPlayer, I can hear, really slow but it's there, the left channel on the right :S It's not a hardware problem because I've tested the videos on different boxes and the problem is the same ... playing just the WAVE, everything is ok, playing the video, nope ...

Anybody has any idea how can I fix this problem ?!?

Thanks,
Nino
<< www.megadriver.com.br >>

[megadriver]

Just another quick note ... There's some of my videos that the right channel has just silence and the left has the normal power click track. Using VLC, selecting "stereo" at the menu Audio/Channels, I can hear the problem, I hear the left channel with very low volume on the right, but if I select "just right", I hear just the silence on both channels.

[aedipuss]

most audio equipment has some channel crosstalk. you probably need to upgrade to audiophile equipment that has true dual mono signal paths.

[megadriver]

aedipuss,

As I said it doesn't look like a hardware problem. Humm, I've thought of that, but I've already tested on the studio PC with a Audiophile 2496 and the problem is still the same. If I open and play the WAVE file, using for instance Adobe Audition, no problem ... If I open the video with the same WAVE file as the audio track, using VLC, Windows Media, MPlayer, the problem is there ...

Thanks anyway,
Nino

[aedipuss]

well if the problem is in the video players, keep trying others. powerdvd and windvd come to mind as a couple i would use.