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- Apr 6, 2008
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Mac Pro (Late 2013), Mojave 10.14.3
Audio output breaks up and sometimes disappears for several seconds. It sounds a bit like what you would hear if an electrical connection in an amplifier were dirty. Everything else is normal.
The problem appeared suddenly earlier this week. I can't recall upgrading or changing anything on my system around that time.
I tried the obvious:
Is there any kind of audio card or processor test that might show a problem?
Myron
Audio output breaks up and sometimes disappears for several seconds. It sounds a bit like what you would hear if an electrical connection in an amplifier were dirty. Everything else is normal.
The problem appeared suddenly earlier this week. I can't recall upgrading or changing anything on my system around that time.
I tried the obvious:
- check all cord and cables;
- reboot;
- use an 'internal' source (Safari);
- use different external sources ("USB to host" on Yamaha keyboard; MIDI out from Yamaha keyboard to Steinberg USB audio interface and then to Mac);
- use different outputs (USB to Steinberg USB audio interface for headphones/amplifier; Mac headphone output);
- check Activity Monitor for crashed processes;
- check all audio related processes in Activity Monitor to see if any report "Recent hangs";
- watch CPU usage in Activity Monitor to see if anything odd happens when the audio breaks up.
Is there any kind of audio card or processor test that might show a problem?
Myron