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Soundflower – audio sampling from avi files

Having been engrossed in the tv series ‘Fringe’ for some time, i have repeatedly heard quotes and sounds which i wanted to sample and use in my music. Having downloaded the programme as avi files i was unsure about how to extract or rip the audio content i wanted. I finally found a very handy program called ‘Soundflower’


Soundflower is a Mac OS X (10.2 and later) system extension that allows applications to pass audio to other applications. Soundflower is easy to use, it simply presents itself as an audio device, allowing any audio application to send and receive audio with no other support needed. Soundflower is free, open-source, and runs on Mac Intel and PPC computers

I use VLC to play my avi files and send the audio out through the soundflower audio device (channels 1 and 2), now i can load Logic and create an audio channel and use it to record the audio stream directly. (you’ll need to open preferences and go to ‘audio > devices > core audio’ where you can specify the input device as ‘soundflower 16ch’. When creating the audio track specify channels 1 and 2 as the input) The ‘R’ button needs to be highlighted in red for the avi sound to be audible, and when you want to record simply click the record button in the transport bar. Voila high quality samples galore!!!

There are other programs that can do this more easily such as Audio Hijack, but unlike soundflower you have to pay for them. Programs like audio hijack and soundflower can be used to solve the problems that arise when using dj software such as Traktor DJ on a laptop with only one output. With only one output you cannot monitor your mix in headphones, so using the programs mentioned above you can split the audio into two channels and route one of them to a set of usb headphones.


One response

  1. hey Jim, you can also use Jack !!! go here: http://jackaudio.org/ I prefer it to soundflower, but maybe soundflower has gotten better…

    best !

    January 27, 2010 at 10:34

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