How to combine multiple audio interfaces by creating an aggregate device on Mac OS X v10.6 Snow Leop

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12-02-2009

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How to combine multiple audio interfaces by creating an aggregate device on Mac OS X v10.6 Snow Leop

By creating an aggregate device, you can use more than one audio interface at the same time with audio applications like Logic, Soundtrack Pro, or most other Core Audio-compliant applications. Logic 9 and Soundtrack Pro allow you to use a separate device for input and output, such as using a USB microphone and the built-in output of your computer. Use an aggregate device to combine multiple inputs and outputs, or applications not manufactured by Apple which do not support separate input and output devices.

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ossinfo

ossinfo(1)							 OSS User Commands							ossinfo(1)

NAME

       ossinfo - Open Sound System information/status program

SYNOPSIS

       ossinfo [-Aaeghmpx] [-v #]

DESCRIPTION

       The ossinfo program displays OSS device information.

OPTIONS

       -v#    Verbose output. Number indicates level of verobisity (0-9).

       -p     Display only physical audio/midi devices

       -g     Display ALL audio/midi/mixer devices (physical and virtual)

       -a     Display audio device files

       -A     Display audio device files (for applications using O_EXCL)

       -e     Display all audio engines

       -m     Display only the MIDI devices

       -x     Display only the mixer devices

       -h     Display help.

FILES

       /usr/bin/ossinfo

SEE ALSO

       ossdevlinks(1),	ossmix(1),  ossxmix(1)	The  Getting information about devices section of the OSS Programmer's Guide (device_discovery(2))
       gives instructions for getting device information in applications.

AUTHOR

       4Front Technologies

								 16 December 2012							ossinfo(1)