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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Audio delay

P

Paul Steinberg

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My thread in audio (http://reduser.net/forum/showthread.php?t=53904 ) didn't seem to drawn an answer so I'll try in here.

Recently I tried recording sync sound for the first time with my Red One. Initial tests were done through a Sound Devices 744 but I did followup tests with one line from the mixer and the other directly from a microphone and plugged right into the camera.

When played back using the 64-bit PC flavor of RedCine-X v.356 (on two separate computers) there was a significant audio delay on the recorded audio track(s). When I exported a QT out of RedCine-X the audio was in perfect sync. When dropping the R3D files into PremiereCS5 the audio was also in perfect sync.

So why the delay in RCX? Is this a known problem or is there a setting that needs to be clicked to enable sync'd sound?
 
How were you monitoring audio from RCX? Any AJA or BMD card will be out of sync. Matter of fact, I don't know a way to get reliable sync from RCX. The pictures and audio just go different routes AFAIK.
 
Paul,

Thanks for the report.

The problem appears to only manifest in windows builds of RCX at the moment. We'll be taking a deeper look into this.

Thanks!
David
 
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David, any luck with this bug? I've recently installed a Rocket card and the delay seems worse. It's really maddening when going through take after take.
 
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Downloaded and installed v416ER for Win7/64 and delay is still there.

This version gave an error that the RR card's drivers and firmware were out of date and needed to be updated to driver 1.4.4.0 and firmware 1.1.14.17. I'm using drivers/firmware from the Red Rocket Installer 1.3.5c downloaded from red.com/support. Can you point me to the new drivers and I'll see if that helps.
 
Hi Paul,

416 does not currently support the rocket. I just had you try it to see if the issue had been fixed.

I'll be taking a look into this.

Thanks,
David
 
Same issue here..... Mac RR and Build 452. Sync was never correct. Only when I monitor out of RR to production monitor on set or in studio. It's been that way for many builds. I always assumed that was just a function of the RR. If there is a way to get them in sync I would love to know about it! I've always told clients, 'don't worry, it will be fine once we export'. They are never too pleased, but understanding nonetheless.
 
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