Audio

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[edit] AppleHDA

AppleHDA is the default kext for Audio. After 10.6.3, it only supports some Audio Codecs by default.

[edit] Patching AppleHDA

Patching AppleHDA can be very difficult. It requires much understanding of HDA and editing three files:

  1. /System/Library/Extensions/AppleHDA.kext/Contents/MacOS/AppleHDA must be patched.
  2. /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.plist
  3. /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAPlatformDriver.kext/Contents/Info.plist
  4. Enabling your audio adapter with either a DSDT edit or an extension like HDAEnabler.kext

[edit] Weblinks

[edit] VoodooHDA

VoodooHDA support many different sound adapters. It's currently the best choice if you don't have native support of AppleHDA or patching AppleHDA doesn't work for you.

[edit] Weblinks

[edit] Apple Azalia

The old AppleAzaliaAudio.kext still provides audio output up to OSX 10.6 (32-bit mode, boot flag: arch=i386) for several Codecs from Realtek, Sigmatel, Cmedia, Analog Devices or Conexant. Only Stereo output is supported. Volume is a bit louder than with AppleHDA or VoodooHDA.


This page was last modified on 13 April 2011, at 21:12.
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