AppleALCU 1.7.3

An open source kernel extension enabling native macOS HD audio for not officially supported codecs without any filesystem modifications. AppleALCU can be used for systems with digital-only audio.

Changelog v1.7.3​

• Added constants for macOS 13 support
• Fix sleep breaking earphone support on ALC295 layout-id 13 by Mahas1
• Fixed NUC8I5BEH JUST MIC ALC235 layout-id 88 by @frozenzero123
• Added ALC269 VC layout-id 39 with support for LineIn and LineOut of Docking Stations 4337 and 4338 for Lenovo T530 with Docking Stations 4437 and 4338 by 5T33Z0
• Added ALC235 layout-id 33 for Lenovo A340-22IWL with support for Internal Speakers, Headphone, and LineIn (External Mic).
• Added new codec revision-id 0x100500 for ALC897 by R-a-s-c-a-l
• Added ALC294 layout-id 15 for Zenbook UX434 by wern-apfel
• Added ALC287 layout-id 21 for Lenovo Yoga Slim 7-14IIL05 by Andres ZeroCross
• Added ALC280 layout-id 18 for Dell OptiPlex 9020 AIO ALC280 by james090500

English (Current)
简体中文

Features​

• Digital and analog audio support starting from the OS installation
• Recovery HD/macOS Installer audio support
• Automated codec detection
• Unsupported audio controller enabling (internal and external)
• Arbitrary kext patching
• Custom platform/layout injection
• Works with SIP / El Capitan+
• Currently compatible with 10.4-13

Credits​

• Apple for macOS
• Onyx The Black Cat by fG! for the base of the kernel patcher
• capstone by Nguyen Anh Quynh for the disassembler module
• toleda, Mirone and certain others for audio patches and layouts
• Pike R. Alpha for lzvn decompression and certain HDMI patches
• 07151129 for some code parts and suggestions
• roddy20 for training and research dumps to a patching of codecs
• vit9696 for writing the software and maintaining it
• Andrey1970AppleLife, vandroiy2013 for maintaining the codec database

Installation​

The minimal instruction is available on the wiki.
The prebuilt binaries are available on the releases page.

Contribution​

To support more audio codecs in the binary packages you are asked to submit your configurations. Please read the wiki for more details. For the contributors with programming skills, the headers are filled with AppleDOC comments.

Support and discussion​

InsanelyMac topic in English
AppleLife topic in Russian

Donations​

Writing and supporting code is fun but it takes time. If you want to thank the author for his work consider contributing, bug reporting, or providing support to other users.