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Joined 8 months ago
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Cake day: February 2nd, 2025

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  • To directly quote the HydrogenAudio KB article on Opus:

    • 32kbit/s CELT encoding gives you: Essentially transparent speech plus moderately good stereo music
    • 40kbit/s CELT encoding gives you: Essentially transparent mono or stereo speech, fairly good stereo music
    • 48kbit/s CELT encoding gives you: Essentially transparent mono or stereo speech, reasonable music

    You’re getting basically transparent speech at a bit over half the bitrate of 80kbit/s MP3 or less, and even with music, Opus like I said is transparent for music at 160-192kbit/s according to the same KB article I’m quoting, while MP3 needs 320kbit/s CBR for transparency for music, although if I’m transcoding FLAC files to Opus, I normally just max out the codec at 510kbit/s where MP3’s transparency bitrate of 320kbit/s is also the bitrate it maxes out at.

    The only good reason IMO why one should use MP3 in 2025 when better codecs exist, both lossy and lossless, is when the device they’re targeting is so old or crappy that it can’t support anything better than MP3.