Fast Bounce problem.

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trihas
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2014/07/01 17:01:49 (permalink)

Fast Bounce problem.

Hello,
 
Lately I am facing a problem with the fast bounce audio export / bounce to track. It started all of a sudden with no apparent reason (I didn't made any changes/update to my system). The problem is that when I export / bounce to track a vst instrument (with fast bounce), Sonar cuts the length of each and every note played. When eχport / bounce to track the same track at real time (unchecked fast bounce) everything is ok. I have attached an image with the two waveforms (1st with fast bounce, 2nd with real time, just played 3 chords on ivory piano). 
 
Has anyone faced the same problem? 
 
I run Sonar X3e Producer (64bit) with a Presonus Firebox (firewire) sound card, on a Windows 7 ultimate (sp1) system, Intel Core 2 Quad cpu Q9650 @ 3.00GHz, Asus P5E-VM HDMI motherboard, 256GB Samsung SSD drive for windows, programs and libraries and another one SSD drive for audio data and 8 GB of RAM.
 

#1

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    backwoods
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    Re: Fast Bounce problem. 2014/07/01 17:06:29 (permalink)
    Just ivory? Are the three wav chords in the 1st picture the same length? It's almost like a hard gate. Pretty weird.
    #2
    trihas
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    Re: Fast Bounce problem. 2014/07/01 17:09:40 (permalink)
    The same weird behavior happens also with the Spectrasonic Trilian, and others vst.
    #3
    backwoods
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    Re: Fast Bounce problem. 2014/07/01 17:12:11 (permalink)
    What happens with a long loud string patch?
    #4
    trihas
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    Re: Fast Bounce problem. 2014/07/01 17:23:38 (permalink)
    With a long string from omnisphere it's ok.
    With 3 chord from Lounge Lizard it's ok.
    With 3 chord from Akoustik piano it's ok.
    With the same midi track to Ivory, cutting the notes....
     
    #5
    Bristol_Jonesey
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    Re: Fast Bounce problem. 2014/07/01 17:47:53 (permalink)
    What happens with a real time bounce?

    CbB, Platinum, 64 bit throughout
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    #6
    trihas
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    Re: Fast Bounce problem. 2014/07/01 17:49:58 (permalink)
    Everything are sounds great!
    #7
    Anderton
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    Re: Fast Bounce problem. 2014/07/01 18:06:07 (permalink)
    Do you use any hardware that goes "outside the box," like a Universal Audio card or SSL Duende?

    The first 3 books in "The Musician's Guide to Home Recording" series are available from Hal Leonard and http://www.reverb.com. Listen to my music on http://www.YouTube.com/thecraiganderton, and visit http://www.craiganderton.com. Thanks!
    #8
    trihas
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    Re: Fast Bounce problem. 2014/07/01 18:08:49 (permalink)
    Nothing "outside the box".
    #9
    Bristol_Jonesey
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    Re: Fast Bounce problem. 2014/07/02 08:11:39 (permalink)
    Midi Buffers?

    CbB, Platinum, 64 bit throughout
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    #10
    trihas
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    Re: Fast Bounce problem. 2014/07/02 14:11:21 (permalink)
    Midi Buffers:
    Record = 64
    Playback = Prepare using 250 Millisocond Buffers.
     
     
    #11
    trihas
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    Re: Fast Bounce problem. 2014/07/02 14:15:46 (permalink)
    In the midtime the problem with ivory piano solved with an update to version 1.64.
     
    But Trilian continues the weird stuff.
     
    I have reinstall, the sound card drivers, Sonar, Ivory piano, Trilian etc.
     
    The configuration file is set to defaults.
     
    #12
    scook
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    Re: Fast Bounce problem. 2014/07/02 14:18:45 (permalink)
    trihas
    Playback = Prepare using 250 Millisocond Buffers.

    This may be too low but increasing it to 500 or 750 is probably not going to affect fast bounce. There are plug-ins which are incapable of fast bounce.
    #13
    trihas
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    Re: Fast Bounce problem. 2014/07/02 14:22:44 (permalink)
    I will give it a try, but i have worked for many years without problems like that.
    #14
    trihas
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    Re: Fast Bounce problem. 2014/07/02 14:28:41 (permalink)
    scook
    trihas
    Playback = Prepare using 250 Millisocond Buffers.

    This may be too low but increasing it to 500 or 750 is probably not going to affect fast bounce. There are plug-ins which are incapable of fast bounce.


    Nothing changed with 500 Millisocond
    #15
    bitflipper
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    Re: Fast Bounce problem. 2014/07/02 15:17:23 (permalink)
    This can happen with sample players and sample-based synths such as Omnisphere when the disk drive can't keep up. See if Ivory allows you to adjust the prebuffer size for streaming. This increases memory usage but lightens the demands on the disk drive.
     
    Or just use the slow bounce.


    All else is in doubt, so this is the truth I cling to. 

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    #16
    trihas
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    Re: Fast Bounce problem. 2014/07/02 16:27:50 (permalink)
    Well.... Problem solved!
     
    Sometimes you thing that you have installed the latest updates, but you are wrong....
     
    I did not had the latest update for Trilian. So, after the proper update everything working just fine!
     
    Thank you all for the replies and i am very sorry for bother you. I was all my fault!
    #17
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