Immerse Yourself in the Nuances of AC3 vs AC3 Passthrough

The setting "Prefer AC3 Passthrough" ie no 5.1 Surround Sound has just stopped working in the Apple TV App on Big Sur. The iPhone and iPad will decode the AC3 audio so you can actually hear it through the devices speakers or connected headphones. My WDTV (running the latest official firmware) is connected via HDMI to my Yamaha RX-V 1800 AVR. ... It CAN however, PASS THROUGH AC3 5.1. As to ... I'm using my motherboard's (H87M-PRO) onboard audio chipset to feed sound to my A/V receiver via an optical cable. (My AV receiver is older ... have AC3 / DTS @ 48khz - The output this original data exactly. (I am using an external decoder/processor and do not want the original audio data changed in any ... Audio: MP3, AAC, WMA, FLAC, OGG, AC3, DTS, WAV and other audio formats Video: AVI, MKV, MP4, MOV, WMV, FLV, MPEG, H.264, VP9 and many other video formats ... When you are not using a passthru in the codec selection, you can choose ... AC3; E-AC3; DTS (Limited player compatibility in MP4); DTS-HD (Limited player ... Using Apple TV3 or other presets with AAC and AC3 Passthru Audio Tracks only the AAC Stereo Track is created from 5.1 Sources. I've just noticed that when I try to force mplayer to use AC3 passthrough (-ac hwac3) my AV amp does get some dolby digital signals through, but ... Encoded audio pass-through is similar encapsulation but it works also for AC3 audio so decoding is not done in PS3 but in receiver.