3d home cinema blu ray home cinema system 4k home cinema wireless home cinema speaker system 51 series sony bravia components 3d blu ray player speaker system speaker types stand speakers front subwoofer centre speaker stand speakers rear audio functions fm radio automatic calibration night mode hdmi arc audio return channel lipsync audio delay supported audio formats aac flac lpcm mp3 mpeg1 wma dsd aiff heaac sound systems dolby digital dolby di