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August 16th, 2010, 11:54 AM
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#1 |
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Major Player
Join Date: Aug 2005
Posts: 421
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Audio behaving very strange
when I apply volume envelope to turn music audio volume down suddenly it becomes like test tone of high frequency and on volume meter is shown like 350+ db. what is going on?
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August 16th, 2010, 12:17 PM
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#2 |
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Sponsor: JET DV
Join Date: Dec 2001
Location: Southern Illinois
Posts: 7,953
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I've never seen an audio envelope do anything like that. Can you give a step by step on how we could try to reproduce that?
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Edward Troxel [SCVU] JETDV Scripts/Scripting Tutorials/Excalibur/Montage Magic/Newsletters |
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August 16th, 2010, 12:27 PM
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#3 |
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Inner Circle
Join Date: May 2005
Location: Windsor, ON Canada
Posts: 2,770
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I've got a very vague recollection of this being reported on the Sony Vegas forum (which is unfortunately down right now) some time ago.
Something to do with a zero crossing point as I recall. |
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August 16th, 2010, 12:28 PM
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#4 |
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Major Player
Join Date: Aug 2005
Posts: 421
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I place music audio file below track with video footage and when I add point in volume line to lower music down it goes to beep of extremal volume AS SOON AS is pases that added point on volume line ( see audio Master reading).
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August 16th, 2010, 12:53 PM
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#5 | |
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Sponsor: JET DV
Join Date: Dec 2001
Location: Southern Illinois
Posts: 7,953
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Quote:
__________________
Edward Troxel [SCVU] JETDV Scripts/Scripting Tutorials/Excalibur/Montage Magic/Newsletters |
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August 16th, 2010, 03:49 PM
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#6 |
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Inner Circle
Join Date: May 2005
Location: Windsor, ON Canada
Posts: 2,770
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Loud POP sound on 2 envelope points at 90 degrees is the relevant thread on the Sony Vegas forum.
Sony's official response: You are experiencing this 'popping' noise because the audio envelope is being used like a cut, and cutting on a non-zero point will create a 'pop' noise in the audio. We have been able to reproduce this in all versions of Vegas, as well as in Sound Forge. Basically, it is a characteristic of audio editing. If you make a cut or drastically drop volume on a non-zero crossing point, you will hear a resulting 'pop'. |
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August 16th, 2010, 04:01 PM
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#7 |
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Major Player
Join Date: Aug 2005
Posts: 421
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WHAT!
I am not "cutting" anything I am lowering SLIGHTLY volume of background music to hear narration; Interesting - when I reopen that project and reload that music audio file and do nothing, audio will become beep in very same spot like in last project. Is this like "memory effect"? I had to move the music audio file to different audio track to play it normal. |
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August 16th, 2010, 05:17 PM
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#8 |
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Inner Circle
Join Date: May 2005
Location: Windsor, ON Canada
Posts: 2,770
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Marius, Sony didn't say cutting, they said ...like a cut... which is a world of difference.
This was reported in Pro 9.0a and hasn't been a issue since. What version are you using? Have you tried moving the second point a tiny bit to the left or right to see if this cures it? |
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August 17th, 2010, 11:40 AM
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#9 |
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Trustee
Join Date: Jul 2003
Location: Burlington
Posts: 1,976
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What are the media properties of the audio file that is having the problems?
From the attached screenshot, what you have layed out should behave normally. |
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August 17th, 2010, 11:55 AM
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#10 |
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Major Player
Join Date: Aug 2005
Posts: 421
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It is regular mp3 file;
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