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[Magic_Randy]

I can't configure the Playback options for external speakers on my Macbook Pro Retina. I'm running Yosemite but had the same problem before I upgraded so it's not related to that. It does work with iTunes, Youtube, etc so it should not be a hardware or driver issue.

When I configure my playback options, I have:

(Default) [Core Audio]
Airplay [Core Audio]
Bose USB Audio [Core Audio]
Built-in Output [Core Audio]

The only one that works is Built-in Output [Core Audio] which plays through  the internal PC speakers. I can't  configure it to play through my external speakers.

When I pick Bose USB Audio [Core Audio] (or (Default) [Core Audio]) I get a Playback problem dialog box saying:

Playback could not be started on the output 'Core Audio' using format '44.1kHz 2ch' which makes no sense to me.

Any suggestions?

Randy

[mstan]

Check your audio/midi setup in system preferences.  It should be set so that sound output is set for your external Bose speakers; also on the same screen check that the output format is set for 44.1.

[Matt]

Also, try different sample rates in DSP Studio > Output Format.  Start with 48khz.

[Magic_Randy]

Check your audio/midi setup in system preferences.  It should be set so that sound output is set for your external Bose speakers; also on the same screen check that the output format is set for 44.1.

Thanks for the suggestion.

I had already made this change. That's what made it work for other output (other than MC). But it did not help with MC. However Matt's suggestion did work.

Randy

[Magic_Randy]

Also, try different sample rates in DSP Studio > Output Format.  Start with 48khz.

Hi Matt,

This worked. I set it to 48kHZ.

When playing back it shows
Source: 44.1kHz 64 bit 2 ch
Internal: 48kHz 64 bit 6ch

Randy