echo in headphones?

[Barry Green]

It’s a well-known issue related to the delay in processing that goes on when the video is buffered before being written to tape. It only happens in the progressive modes, and it’s more noticeable in 24P than it is in 30P.

The only real “solution” is to get noise-isolation headphones. The echo is not on the tape or in the camera; the echo is happening because the audio is delayed in the camera by two frames, yet you’re also hearing the audio “live” leaking through your headphones, and it’s the difference between them that makes it sound like an echo. If you have noise-isolation headphones you’ll eliminate the “live” audio leaking in, and therefore the echo will disappear.

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[Tom Adams]

Barry,

once again…a much appreciated reply. I’ve got the sony mdr 7506 which are pretty darn good but they’re not noise cancelling. no biggey… I can deal with it. thanks again.

Regards,
Tom Adams – Director/Owner
Reelife Documentary Productions
“cool digital video stuff…not boring or dumb”
info@reelifeproductions.com http://www.reelifeproductions.com
Williamsburg, MA, USA
1.4Ghz DP mirrordoor G4
OS10.3.9, FCP 4.5 HD

[Steve Wargo]

We always, or at least when possible, have our audio person in a room away from production. If you are wearing your phones at the camera, there is no actual solution. The only problem is that sooner or later, you’ll probably go insane.

Steve Wargo

[Noah Kadner]

Typically I have my sound person monitoring from the microphone directly rather than off the DVX’s headphone outputs and keeping an eye on levels from their own mixer.

Noah

[Tim Scarpino]

[Noah Kadner] “Typically I have my sound person monitoring from the microphone directly rather than off the DVX’s headphone outputs and keeping an eye on levels from their own mixer.”

Since I often act as my own sound person ;-), I guess I don’t mind the “echo”. I’m fairly used to it from using “larger” ENG/EFP cameras in the Confidence Playback Mode (CPB). In fact, you (the original poster, no Noah) ought to view the “echo” as good sign that you’re getting audio laid to tape.

Then again, the DVX might not work like that, but until I get burned, I’m gonna assume (as Kevin Bacon infamously said during the street riot scene in Animal House) “ALL IS WELL”!

Cheers,

Tim