Re: xHE-AAC : The Death of OPUS?
Reply #78 – 2024-04-25 18:34:17
What room for improvement? Just because you think there is any doesn't mean there is, that is called wishful thinking. Also, you can't just fix one "killer sample" in lossy codecs without it having negative consequences somewhere else. You are correct.@ktf section with samples that still require attention, other samples are available on the bug tracker . They are not addressed not because it will worsen the sound “somewhere else”, but because the relevant specialists retired or passed away. And there are no signs that someone has come to take over the baton.@Case Helix MP3 encoder — it is amazingly fast and more resistant to problematic samples. Also, LAME's changelog still grows and its version 3.101b3 was released in December 2023. Recently, I discovered a bug in Vorbis reference encoder, the WAV reader part of it, and a faint pulse on Github gives me hope that it will be fixed. But the underrated Musepack seems to be buried and it is unlikely that anyone will make it possible to encode input with a bit depth greater than 16 , which forces to reduce bit depth and use dither when compressing hi-res records.battery-draining complexity of Opus, low bitrate USAC (xHE-AAC), repulsive by its name alone due to USA & YOU-SUCK connotations, and outlandish things such as buy-modern-GPU-first TSAC . For audiophiles like me, who are trained in fields other than programming, it remains only to pray that there are fewer aberrations on the path of progress, e.g. I pray that David @bryant hybrid mode , because it is a bridge connecting two worlds (lossy and lossless).The Little Mermaid cartoon, allegedly to promote diversity and inclusion, whereas in fact it caused a backlash and a box office failure, not only in Disney's homeland, but all over the world.I still see the dominance of this lossy format on the well-known, little-known and private sharing sites. The only thing that has changed is that FLAC is posted next to it. I happen to be on quite a few of those sites and MP3 hardly is 'dominant'. It is provided as a legacy option for compatibility purposes or for people with very low bandwidth, but no one cares about it. Everything is FLAC and the amount traffic MP3 gets is at least a whole order of magnitude smaller. This tiny minority is not relevant enough to be split further into Vorbis, Opus, AAC, Musepack or whatever else.. it's not the year 2000 any more. No one in music sharing cares about lossy formats anymore (and rightfully so).there , not among audio formats in general. You can easily verify this by entering the format extension in the search bar and comparing the number of releases in each lossy format over at least the last 5 years. As for the demand, today alone, on the site with ~14 million peers (12.5 mln seeds and 1.5 mln leeches) that has a rather long list of requirements when you're about to share, I see 98 new MP3 and 63 FLAC releases.three bicycles to ride, and for others, how not to look for a third job . To keep lossless audio, especially hi-res records, you need a lot of space, but the mantra that space is cheap does not apply to the entire planet. Have you ever wondered how many Earths would we need if everyone lived like, say, Americans? At least 5, according to Google. Also, the consumption of audio (music, books, podcasts, etc) does not differ much from the consumption of food — the less energy-intensive click'n'listen (or download'n'listen) strategy turns out to be more in demand than manual conversion of lossless audio files (cooking), which requires knowledge and time. It explains the increase in profits of streaming services such as Spotify (whose main format, by the way, is lossy Vorbis).
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