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25th March 2024, 16:53 | #961 | Link | |
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TVBR would be an uncapped VBR, ala just using --crf or --qp without any profile/level VBV limitations. Potentially slightly better sound quality, and preferable for file-based playback. Since there's only so high a bitrate can go with a codec, in practice there's not likely to be that much a difference unless the constrained bitrate is quite constrained. |
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25th March 2024, 17:06 | #962 | Link | |
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Last edited by kurkosdr; 25th March 2024 at 17:10. |
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25th March 2024, 17:57 | #963 | Link | |
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1- Opus exists. 2- Audio codecs don't need hardware (accelerated) support. Platform-level support is not an absolute requirement either. Apps can add software decoding for any audio codec without a noticeable downside like too much battery drainage (assuming no unusual complexity requirements). There is a reason why xHE-AAC is not that exciting. --- There is a third fact that HE-AAC is shit for anyone who has any respect for their ears. But let's not get into that.
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26th March 2024, 00:56 | #964 | Link | |
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[QUOTE=kurkosdr;1999619]As long as xHE-AAC stays away from video broadcast (DVB and ATSC), I am happy. Streamers can always encode an HE-AAC fallback for older devices and serve accordingly (I don't like the idea of throwing away good smartphones in the name of "replacement cycles"/planned obsolescence, I still use my Nexus 5 and 5X as secondary phones).[QUOTE]
xHE-AAC is supported on really old phones. As long as it can upgrade to Android 9 or iOS 13, the decoder is there. That's all the way back to the iPhone 6s for Apple. Android updates are up to the whim of the OEM, of course, but five years is enough to get a pretty complete ecosystem refresh for mobile. Certainly most streaming apps don't support OS versions earlier than those. But yeah, for broadcast broadcast, introducing new codecs is fraught and generally part of a massive shift. ATSC 1.0 to 3.0, for example (which still exists more in theory than practice). DVB seems to be able to get an update in more than once every few decades . Quote:
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