Unveiling the Audio Secrets of HandBrake ACC Passthru vs ACC

"AC3 Passthru" will take an existing AC3 soundtrack and include an exact copy as a track in the final encode. "AC3" will take a non-AC3 source (ex. DTS for a ... Constant Quality (RF) vs Average Bitrate (kbps). These have the largest impact on quality & file size. Move the Constant Quality RF slider far enough to the ... When encoding source file to h.264 constant quality 32, AAC audio (avcodec), the audio has noticeable muffling every half a second or so. It's ... HandBrake supports passthru for a limited number of popular source formats. These are: AC3, DTS, DTS-HD, TrueHD, MP3 or AAC (Passthru). Please explain what it does to the audio to the video you encode and what the difference between the two is. SOURCE - English (AC3) (5.1 CH) AUDIO CODEC - AAC (FAAC) or (AC3 Passthru) MIXDOWN - As discussed in first post. SAMPLERATE - Set at Auto 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. 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 ... You can convert the audio into something different like AAC (avcodec), MP3 or AC3 or use one of the pass-thru options: Auto Passthru, AC3 ... 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 ...