Decoding the Difference Handbrake's ACC AVCodec vs. Passthru Made Simple

I stubbornly want to passthrough audio tracks when encoding,. I do NOT want to trash fine multichannel by downmixing to AAC or MP3 stereo. Dolby Surround – Technically this is stereo. But while stereo is 2.0 channels for 2 speakers, Dolby Surround takes into account speaker ... In the audio encoders list, there is an option called “Auto Passthru”. When encoding, this will automatically passthru any supported format to the source file. Please explain what it does to the audio to the video you encode and what the difference between the two is. In Handbrake, when I transcode mp4 to mkv, the output file is missing audio if I set the audio codec to AAC (FDK) or to AC3. For audio, "Auto Passthru" doesn't get selected anymore when set in behavioural rules. It'll pick the actual track it's going to choose on the ... In addition, HandBrake can passthru the following source audio track formats: AC3 and E-AC3; DTS, DTS-HD; TrueHD; AAC; MP3; Opus; Vorbis; TrueHD; FLAC; ALAC. However, the AC3 5.1 passthrough in HandBrake is a perfect copy of the dvd source audio, note it also maintains the same bitrate as the ... HandBrake can pass thru several different audio formats. There are separate options the audio encoder dropdown for these. When you select “Auto Passthru”, it ... Updated PipeMethodCalls library to use more efficient message encoding. 9.3 Beta Updated HandBrake core. Adds AV1 NVEnc and improves HDR passthrough. Fixed ...