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 « Return to Thread: Using sox with external audio devices on OSX

Re: Using sox with external audio devices on OSX

by marleynoe :: Rate this Message:

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Hi,

On 2011-09-21, at 22:04 , Chris Bagwell wrote:

> On Wed, Sep 21, 2011 at 3:26 PM, Schumacher Marlon
> <marlon.schumacher@...> wrote:
>> Dear SoX-list,
>>
>> I'm having a hard time trying to use sox (sox14.3.2 executable on a MBPro5,2 running MacOS10.6.8) with certain external audio devices.
>> I've been looking for answers in the manual and archives but now had to resort to asking the list:
>>
>> I've been trying to use a MOTU 828MKII and a RME Fireface800 set as default audio device in the OS like this:
>>
>> sox -d myoutfile.aiff
>>
>> and I am getting (with both devices) this message:
>>
>> Input File     : 'default' (coreaudio)
>> Channels       : 1
>> Sample Rate    : 44100
>> Precision      : 32-bit
>> Sample Encoding: 32-bit Signed Integer PCM
>>
>> In:0.00% 00:00:00.00 [00:00:00.00] Out:0     [      |      ]        Clip:0   <path-to-sox-exec> WARN coreaudio: coreaudio: unhandled extra buffer.  Data discarded.
>>
>> -and a 0kb file is written.
>>
>
> This is a known bug with the OSX Core Audio driver in SoX.  It only is
> an issue with certain sound devices.  The other reported case is
> something like on a laptop the speakers work but the headphones do
> not.
>
> I am the only one developing SoX on OSX right now and I can not
> reproduce the issue myself and ran out of ideas to fix.
>
> Hopefully, some one that has hardware issues will some day also be
> able to debug it.
>
> Chris

Thanks, fair enough.
But apart from that, is it possible to choose a sound device for sox on MaxOSX?
I just wonder if I could still try to mess with buffersizes or if it is not related to that at all.

Thanks again,
Marlon
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 « Return to Thread: Using sox with external audio devices on OSX