Software license for the fraunhofer fdk aac codec library for android

Mpeg aac low complexity aaclc is the high performance audio codec for excellent audio quality at low bit rates. The fraunhofer fdk aac page at hydrogen audio has more detailed information, not specific to libav. Fraunhofer fdk aac is an opensource5 software library for. Distributed as binary library only, included in quicktimeitunes. The fdk aac source code is licensed under a customcopyleft license, and has been ported to other platforms as libfdkaac. This leads me to think that no software can be distributed in the binary form if it uses both x264 and the allpowerful fraunhofer fdk aac encoder, for example. If you wish to enable these libraries, pass enablenonfree to configure.

The fraunhoferdeveloped fdk aac encoder library included as part of android. Ffmpeg supports aac, but its a violation to distribute aac encoding binaries without license so its diy in that case. The fraunhofer fdk aac codec library replaced the visualon library in android 4. This fdk aac codec software is intended to be used on a. Fraunhofer fdk aac codec library for android platforms. Android users benefit from the high audio quality of the fraunhofer fdk. Robert bleidt, division general manager at fraunhofer usa digital media technologies, demonstrates how heaac multichannel enables the playback of. The fdk aac codec library for android contains an encoder implementation of the advanced audio coding aac audio codec. The fraunhofer fdk2 aac codec library for android is a low resource implementation of aac encoders and decoders available for android on arm and x86 processors and is available from the android source code tree. Can i use the fdk aac library which is included as part of android. The license included by fraunhofer in the fdk library source code allows redistribution in source or binary. Libav also recommends using fdk aac if it is available.

Is the ffmpeg aac encoder a viable alternative to fraunhofers fdkaac encoder which is no longer included with handbrake. The fraunhofer fdk aac codec library for android fdk aac codec is software. Aac is also specified in the android compatibility definition document which lists the required features of. Fraunhofer fdk aac codec library for android youtube. It is widely used for audio on the internet, the second most popular codec after mp3. A standalone library of the fraunhofer fdk aac code from android.

Shanaencoder is a versatile video and audio converter. The fraunhofer fdk aac is a highquality opensource aac encoder library developed by fraunhofer iis. The licensed fraunhofer aac codec included in winamp often called fhg aac is not the same as the fdk aac codec. Fraunhofer fdk aac codec library for android use flags global use flags. Fraunhofers xheaac audio codec software extends native. Fraunhofer fdk aac wikimili, the free encyclopedia. Fraunhofer fdk aac full title fraunhofer fdk aac codec library for android is an opensource software library for encoding and decoding advanced audio coding aac format audio, developed by fraunhofer iis, and included as part of android. Mpeg aac low complexity aac lc is the high performance audio codec for excellent audio quality at low bit rates.

Faac is one of six alternatives that linuxunix users have for creating aac files. Fraunhofer provides no warranty of patent noninfringement with 55 respect to this software. License, fraunhofer fdk aac codec library for android license, a free. Aac s he aac and he aac v2 versions are regarded as todays most efficient. This contains a thirdparty modified version of the fraunhofer fdk aac codec library for android. Fraunhofer aac codec library in the gentoo packages database. Can i use the fdk aac codec library for android to encode. I have looked at this question aac codec library libfaac alternative from the answer, it seems that ffmpeg has a native lgpl aac decoder. Audio codecs extracted from android open source project. Library of visualon implementation of adaptive multi rate wideband amrwb encoder and advanced audio coding aac encoder. Fraunhofer fdk aac is a mature conversion software library while ffmpegs aac is a recently introduced codec for ffmpeg. Introduction the fraunhofer fdk aac codec library for android fdk aac codec is software that implements the mpeg advanced audio coding aac encoding and decoding scheme for digital audio. Fraunhofer fdk audio codec open source garmin developers.

Both ffmpeg and libav can use the fraunhofer fdk aac library via libfdkaac, and while the ffmpeg native encoder has become stable and good enough for common use, fdk is still considered the highest quality encoder available for use with ffmpeg. This library contains an advanced audio coding aac audio decoder and encoder, supporting aaclc, heaac, heaacv2, aacld and aaceld. Aac, or advanced audio coding, is a computationally sophisticated codec with a complex psychoacoustic model. It supports several audio object types including mpeg2. The androidtargeted implementation of the fraunhofer aac encoder uses fixedpoint math and is optimized for.

Therefore, we have decided that it is time to remove libvoaacenc and libaacplus. I did some more research, seems lg did indeed pay for aac encoder in nexus 4. Coinvented by fraunhofer iis, aac is widely used in mobile music players such as the ipod and mobile phones. We do not know for certain if their licenses are compatible with the lgpl. Android includes the fraunofer fdk aac codec library. The fraunhofer fdk aac codec library for android was added in 2012 as the fourth supported external aac encoder, and the one with the best quality and the most features supported, including heaac and heaacv2. Handbrake without fdkaac, new ffmpeg aac encoder viable. The only additional component is the fraunhofer fdk aac codec library for android fdk aac codec, which is used to decodeencode aac audio bitstreams.

Aac is also specified in the android compatibility definition document which lists the required features of android devices. Thirdparty modified version of the fraunhofer fdk aac codec library for android. This fact means that clause 3 in the fdk aac license is a no op, or to put it plainly, if no patents are in play, there are no patent licenses to disclaim. While they use the same approach, they are developed by different teams, and target different platforms. Introduction to fdkaac fdkaac package provides the fraunhofer fdk aac library, which is purported to be a high quality advanced audio coding implementation this package is known to build and work properly using an lfs9. The main benefit of installing the new handbrake release is in updated x265 encoder 1. The fraunhofer fdk aac codec library for android fdk aac codec is software that implements the mpeg advanced audio coding aac encoding and decoding scheme for digital audio. Fraunhofer fdk aac codec library development files. We believe that the fdk aac software codec implementation that we wish to include in fedora is no longer encumbered by aac patents. Initial android external 1ce7d6de commits andypopo. Aacs heaac and heaac v2 versions are regarded as todays most efficient.

Can i use the fdk aac codec library for android to encode audio files. Fraunhofer fdk aac and the native ffmpeg aac comparison. We believe that the fdkaac software codec implementation that we wish to include in fedora is no longer encumbered by aac patents. However, when i looked at ffmpeg home page, i found no information about this decoder or what aac object type it supports only information about encoder. This package contains the files needed to compile and statically link against the fraunhofer fdk aac codec library. The fraunhofer fdk aac codec library for android aka fdk aac codec implements the mpeg advanced audio coding aac encoding and decoding scheme for digital audio. Handbrake binary contains both in a static build, and ffmpeg hi does as well. Code can be licensed in source code form or as object code libraries. Software license for the fraunhofer fdk aac codec library for android. The thirdparty modified version of the fraunhofer fdk aac codec library for android fdk aac codec is software that implements the mpeg advanced audio coding aac encoding and decoding scheme for digital audio. The library is based on a codec implementation by fraunhofer from the. Fraunhofer dumps its code into the android open source project now and then, but it is not developed in the open, and its license is.