Crackling audio

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I'm having some issues with scratchy/crackling audio. I'm on MacBook Pro with Zoiper5, the latest Catalina update, fast internet, Sennheiser USB headset. I've tested both wifi and ethernet in 2 different locations, tried 2 different mics, and I'm still experiencing the same problem. Zoiper is showing ideal statistics (3-4 quality, jitter under 50 ms, 0 packet loss). Disabling echo cancellation and noise suppression seems to help a bit. I'm at a loss...any suggestions?

asked Aug 25 in Mac by 6755 (120 points)  
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1 Answer

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Hi,

There was an issue with Zoiper 5.4.5 leading to the crackling audio, which is now solved. 

Use the download section on https://zoiper.com to download the latest Zoiper5 update which contains the fix.

answered Aug 25 by Tsetso.Zdravkov (33,730 points)  
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We are having this same issue, but we are already on version 5.4.6.

As soon as we plug in a USB headset (plantronic, jabra, .../wired or wireless), the 'zoiper helper' becomes unresponsive and the outgoing audio (mic) becomes very bad.
Is this a known issue?

More or less the same setup as mentioned above, statistics and disabled settings tried as well...

Try Zoiper 5.4.9, the issue should be fully resolved with it.

If for some reason the Zoiper Helper process again freezes and the audio starts crackling, try disabling  the HID integrations from the Zoiper settings.
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