High performance music distribution


MPEG AAC Low Complexity (AAC-LC) is the high performance audio codec for excellent audio quality at low bit rates. Co-invented by Fraunhofer IIS, AAC is widely used in mobile music players such as the iPod and mobile phones.


up to statistically transparent


up to 256 kbit/s per channel

Sampling rates

8 to 96 kHz


mono, stereo, multichannel (e.g. 5.1, 7.1)

Used in

Apple iPod, iTunes, QuickTime, ISDB Japan, AV receivers, car radios, mobile music players, mobile phones



Fraunhofer IIS is the leading independent provider of optimized AAC implementations. AAC encoder and decoder object and source code are available immediately for:

  • PC (Windows/macOS/Linux)
  • ARM
  • MIPS
  • Texas Instruments C6x, DaVinci, OMAP
  • Analog Devices DSP
  • Cadence/Tensilica HiFi DSP
  • Power PC processors and others (source code only)
  • Apple iOS SDK
  • Android

Further information about our development and design kits can be found on our "platforms" page.


If you are interested in licensing software from us please fill out the request form below.


Patent licensing:

A patent licensing program is administered by Via Licensing Corporation. Please visit http://www.vialicensing.com for more information or contact info@vialicensing.com.


Please note: Starting the video transfers usage data to youtube.

AAC World

Co-developed by Fraunhofer IIS, the AAC audio codec family enables today's media world.

Fraunhofer FDK AAC codec library for Android

Native Support of HE-AAC multichannel in Android 4.1

Request licensing information: AAC-LC

To request a price quote or an evaluation license, please fill in and submit the form.

* Required

Which kind of license are you interested in?
Software platform:
Hardware platform