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Re-Encode Advice? (lemmy.dbzer0.com)

submitted 1 year ago by [email protected] to c/[email protected]

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After a recent data loss, I'm reconsidering various CODECs before re-encoding my re-pirated "loot". I'm looking to maintain a good balance between quality and file size as my previous files were HUGE. I've read about x264, h264, h265 & vp9 for video and it's between AAC or AC-3 for audio. I'm looking for long-term and broad device compatibility. Also, I'll be using FFBatch front-end for ffmpeg for re-encoding. So, fellow pirates, what are your libraries coded in? Any helpful input would be greatly appreciated.

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[–] [email protected] 4 points 1 year ago (1 children)

For broad compatibility and good quality+compression, h265. I use Handbrake's Nvidia encoder and it works great. I'm not sure about the differences between AAC and AC3.

[–] [email protected] 3 points 1 year ago

AAC is generally more modern and better for lower bitrates, but AC3 (also known as Dolby Digital) has the advantage of being able to be transmitted in 5.1 over SPIDF optical connections, so it can allow for surround sound in older setups that may not otherwise be able to recieve digital surround sound.

Opus is slightly better than AAC at matched bitrates, slightly less commonly supported, and totally open-source. It's a fine choice as well.

Also of note because of its use for anime encodes is FLAC, which is lossless and therefore results in much larger files, but will always have the exact same quality as the original audio it encoded, so it's excellent for archival quality.