XBMC HD Audio 新AudioEngine

http://xbmc.org/dddamian/2012/05/30/xbmc-audio-goes-hd/
http://wiki.xbmc.org/index.php?title=AudioEngine

Features of AE include:

- support for DTS-MA / Dolby TrueHD Bluray formats (OSX pending)
- support for 24-bit and floating-point audio at up to 384,000hz
- mixing of all streams including GUI sounds even when transcoding audio
- start-up enumeration of hardware audio devices and their capablities with log output
- bitstreaming support in PAPlayer (XBMC’s music player)
- upmixing of stereo to full channel layout
- tighter syncing of A/V streams
- floating-point processing of audio
- 24-bit and floating-point decoding/handling of mp3
- full support for ReplayGain
- built-in sample-rate conversion and transcoding