[Portaudio] Multiple input devices with the same name

Gale Andrews windinthew at gmail.com
Wed Dec 23 12:51:00 EST 2015

On OS X I believe it is the same in Audacity (which uses PortAudio) and
GarageBand (which doesn't) - so I think it is an OS X limitation, not
a PortAudio

An app will also only be able to access one device if both devices are
different but share the same name (such as "USB Audio CODEC"). However
in that case you can aggregate the device into one in Audio MIDI Setup
whereas you can't if the devices are identical.


Gale Andrews

On 22 December 2015 at 14:17, Marco Pracucci
<marco.pracucci at spreaker.com> wrote:
> Hey there,
> a customer is reporting that have 2 microphones (same model) connected
> through the USB to an OSX 10.11 and portaudio detects only one of the two.
> I personally haven't 2 devices of the same model, so I'm asking you. Do you
> know if there's any issue in PortAudio detecting multiple same exact input
> devices connected to Mac?
> Thank you,
> Marco
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