Captures system audio using the SoundFlower. (Version 2.x uses varaudio.kext Version 3.x uses TelestreamAudio.kext) Captures system audio via an in-house developed. Captures system audio and application audio via an in-house developed. These features are branded as their 'Instant On' feature (InstantOn.kext).
Captures an already-running application's audio with the help of the haxie 'Application Enhancer' (APE) from Unsanity Captures an application's audio by substituting a 'patch' framework for the normal amework when launching the application Captures system audio via code based off of the open-source SoundFlower. kext that I believe does substantially what you want.įor reference, here is how some popular commercial closed-source options work: Take a look at the open-source WavTap, which is a simplified fork of the open-source SoundFlower virtual sound card driver.
