App developers can access the natively-integrated AAC-ELD codec through the Fraunhofer FDK Codec Library in Android since version 4.1 and in iOS since version 4.0 as well as in OSX, allowing cross-platform deployment of Full-HD Voice.
ENGADGET: Fraunhofer releases its 'CD-like' audio codecs to developers, lends a little HiFi to VoIP apps