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Author Topic: Can't playback on headphones on a Mac  (Read 875 times)

Wan HC

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Can't playback on headphones on a Mac
« on: July 17, 2019, 01:39:20 pm »
I upgraded from MC24 to MC25 on a Mac.  I use a pair of B&W P7 bluetooth headphones which shows up on Audio Device as "P7 Bowers & Wilkins [Core Audio]" under Player\Playback Options. Playback fails with the error message beginning "Playback could not be started on the output Core Audio using the format 44.1Khz 2 channels"

Can anyone please help to resolve this problem?

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JimH

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Re: Can't playback on headphones on a Mac
« Reply #1 on: July 17, 2019, 01:42:06 pm »
You can use MC's DSP Studio > Output Settings to convert the format to 16/48 or similar.
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Wan HC

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Re: Can't playback on headphones on a Mac
« Reply #2 on: July 17, 2019, 02:17:18 pm »
Jim
Thanks for responding.  Pls bear with me.  I can't seem to find a section on the Output Settings page that allows me to do what you suggested?
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Awesome Donkey

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Re: Can't playback on headphones on a Mac
« Reply #3 on: July 17, 2019, 02:28:34 pm »
Go to the Player menu, then DSP Studio...

From there go to Output Format on the left, and under sample rate set every Input to a 48,000 Hz output except the 48,000 Hz input (since that's the intended source sample rate, no reason to resample there). More info can be found on the wiki here: https://wiki.jriver.com/index.php/Output_Format

This happens because most Bluetooth headphones/speakers only support a sample rate of 48 kHz, and needs everything resampled to that sample rate for it to work.
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Wan HC

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Re: Can't playback on headphones on a Mac
« Reply #4 on: July 19, 2019, 01:17:02 pm »
Jim
Thank you very much.  Your solution worked just fine.  Happy again   :) :) Cheers.
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