Headphone crackle from external synth

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appmus
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2010/01/27 21:02:58 (permalink)

Headphone crackle from external synth

Sonar 8.5.2 producer
Porland fantom g8
emu0404 usb
 
Use Fantom to  record midi track on Sonar
add a session drummer 3 track to sonar
 
during playback sonar midi track is routed to the Fantom
Fantom is using spdif coax into the emu0404
Sonar is using E-mu0404 USB 1/2
during playback there is a crackling noise coming out of the headphones.
 
With the Sonar audio engine OFF I can play on the fantom  with no noise
Mute midi tracks to fantom and session drummer 3 sonar track play without noise.
 
did the options.audio. mising latency shuffle and that didn't help
 
Any ideas would be greatly apprectiated.
 
dazed and confused.
 
 
#1

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    CJaysMusic
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    Re:Headphone crackle from external synth 2010/01/27 21:35:30 (permalink)

    during playback there is a crackling noise coming out of the headphones. With the Sonar audio engine OFF I can play on the fantom with no noise Mute midi tracks to fantom and session drummer 3 sonar track play without noise.

    Are you clipping?? Playback and just playing a synth are 2 different things. When you just play a synth without recording, your levels are controlled with everytihng before it hits sonar. When its recorded and you play it back, sonar control the level. So are you clipping it??? Are you lclipping yout tracks? master bus? Main outs??
    Something is clipping
    Cj
     

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    #2
    appmus
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    Re:Headphone crackle from external synth 2010/01/27 21:47:10 (permalink)
    The noise only occurs during palyback. i've check all the buses. I just can't put my finger on it.
    #3
    appmus
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    Re:Headphone crackle from external synth 2010/01/27 22:04:52 (permalink)
    Hangs head in shame. Yep I shot myself in the foot, again......
    Had an echo  input turned on one of the audio tracks.

    Your post helped me to go back and look at it one more time and ther is was laughing at me.

    Thanks again.
    #4
    CJaysMusic
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    Re:Headphone crackle from external synth 2010/01/27 22:43:11 (permalink)
    The noise only occurs during palyback. i've check all the buses. I just can't put my finger on it.

    Did you check your main outs? Tracks?
    You may want to check for an IRQ Conflict
    You may want to raise your ASIobuffers or WDm latency
    You may want to make sure you have the latest emu drivers
    You may want to check and see that the emu is set to amster and the fantom to slave (if thats what you want)

    www.audio-mastering-mixing.com - A Professional Worldwide Audio Mixing & Mastering Studio, Providing Online And Attended Sessions. We also do TV commercials, Radio spots & spoken word books
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    #5
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