オープンソースの非可逆音声圧縮フォーマット「Opus」がメジャーアップデートを行い、バージョンが「libopus 1.2」になりました。無料で5ms(ミリ秒)という低レイテンシを実現できるなどの特徴を持つOpusとは一体どんな音声圧縮コーデックなのか、前 ...

A multifaceted sound compression technology is now a standard, smoothing its way to use in technologies such as Web-based voice chats and videoconferencing. Next up: video? Stephen Shankland worked at ...

The IETF has standardized the Opus lossy audio codec as RFC 6716. While most audio codecs aim to solve specific problems—relatively high bit-rate music reproduction such as AAC and MP3, low latency ...

Skype's got a new audio codec that it thinks you should be pumped about, and it's called "Opus." It's been kicked around at Skype since March 2009, though work didn't begin in earnest until June of ...

Skype has a new audio codec in the works. For users of the service, which is pretty formidable already when it comes to video and audio calls over the internet, it has one significant improvement.

前回は「Opus」という音声圧縮フォーマットについて、いろいろと検証してみた。すると、MP3よりも遥かに高性能であること、8kbps、16kbpsといった低ビットレートにおいても音楽が破綻せず十分聴くことができるレベルであること、そして128kbps、192kbps ...

Even if you've never heard of the VP8, VP9, or AV1 video codecs, you've probably had a better video streaming experience because of them. The organization behind the AV1 project, the Alliance for Open ...