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Submission + - Opus 1.5 is Out: The Opus Codec Gets a Serious Machine Learning Upgrade

jmv writes: After more than two years of work, Opus 1.5 is out. It brings many new features that can improve quality and the general audio experience through machine learning, while maintaining fully-compatibility with previous releases. See this release page demonstrating all the new features including:
  • Significant improvement to packet loss robustness using Deep Redundancy (DRED)
  • Improved packet loss concealment through Deep PLC
  • Low-bitrate speech quality enhancement down to 6 kb/s wideband
  • Improved x86 (AVX2) and Arm (Neon) optimizations
  • Support for 4th and 5th order ambisonics

Comment Re:Deadlocks in Rust are solved how? (Score 1) 44

Rust does not make deadlocks safe (they cannot be). Rather, it disallows some ways of structuring your code and will then refuse to compile your code until you've written it in a way that the compiler can prove that a deadlock (or memory error, or other types of error) cannot occur. That can sometimes make Rust code much harder to write, but the benefit is that you can be much more aggressive at using threads because you don't have to "play it safe because of the risk of errors".

Comment Re:Very Simple Theoretical Basis for Failure (Score 1) 64

From my (limited) understanding, I think dark matter would have to interact with *something* other than gravity, or else it would be massless and hence go flying at the speed of light and be unable to clump together in galaxies. That something could be (hopefully) the Higgs but I guess it could also be some kind of "fifth force" that doesn't interact with normal matter, in which case we're still going to have a hard time detecting it.

Comment Web Pages Use Same Imaging Model (Score 1) 227

Web pages use SVG to render vector graphics. It uses the exact same imaging model as PDF and is implemented in all modern browsers. The web in general has taken a lot of lessons from Adobe because Warnock and Geshke, in the PostScript Red Book, got so much right about how to build an image model that many GUI developers are still learning today. If you start with a PDF, it should be possible to machine-translate it to SVG and present it as a web page.

PDF exists because it is trivial to generate it from the document renderer meant for printing. Although I have once in a while run into an improperly scaled PDF meant to be printed 8-up, I'm just not

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