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Robotic Static Sounds USB Headset

Issue: When using any USB headset or USB audio input device on any Macintosh with any operating system from 10.5.7 to 10.6.1, after about 10-20 minutes of use, all audio from the headset becomes garbled and has a robotic static sound quality.

Tested with: Dozens of different Macintosh Computers over the last 6 months with different USB headsets and microphone input devices.

Reproducable: Yes, via either Garageband, Ventrilo or a number of other software applications that do USB Audio Input

References:
http://www.ventrilo.com/forums/showthread.php?t=37302
http://forums.worldofwarcraft.com/thread.html?topicId=17367983174&sid=1
http://discussions.apple.com/thread.jspa?messageID=9983346&#9983346
http://ministryoftruthblog.blogspot.com/2008/10/fixing-usb-audio-static-on-mac-o sx.html
http://forum.skype.com/index.php?s=d9c3718b7185c8e1caee585c248c3bab&showtopic=75 528&st=40

Additional Information and attempted fixes:
• Tried it with a powered USB Hub
• Switched the Audio Midi Setup input to 48k
• Using Audio Midi Setup to create an aggregate device
• Tried it on different Macs, Different Headsets and Different physical locations
• Tried different USB ports

Message was edited by: Jaycyn

Macintosh, Mac OS X (10.6.1)

Posted on Sep 18, 2009 1:22 PM

Reply
170 replies

May 13, 2016 8:16 AM in response to domemvs

Found a clue earlier in this thread that fixed the problem for me. On a new MacbookPro, my trusty Plantronics suddenly was creating static, noise and out of phase recording.


This was fixed by changing the input sampling in the target application from 48Hz to 44Hz. There is no way to do this at a system level, just the application level.

Robotic Static Sounds USB Headset

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