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Opus
Jul 20, 2023
IETF audio codec
Opus is a totally open, royalty-free, highly versatile audio codec. It is standardized by the Internet Engineering Task Force IETF as RFC 6716 which incorporated technology from Skype’s SILK codec and Xiph.Org’s CELT codec.
Opus is designed to handle a wide range of interactive audio applications, including Voice over IP, videoconferencing, in-game chat, and even live, distributed music performances. It scales from low bitrate narrowband speech at 6 kbit/s to very high quality stereo music at 510 kbit/s. Opus uses both Linear Prediction LP and the Modified Discrete Cosine Transform MDCT to achieve good compression of both speech and music.
Checkout these related ports:
- Zynaddsubfx - Realtime software synthesizer
- Zrythm - Modern music production system, also known as DAW
- Zplugins-lv2 - Collection of LV2 plugins to be bundled with Zrythm
- Zmusic - GZDoom's music system as a standalone library
- Zita-rev1 - Reworked version of the reverb originally developed for Aeolus
- Zita-resampler - C++ library for resampling audio signals
- Zita-njbridge - Command line client to transmit audio over a local IP network
- Zita-mu1 - Simple Jack app used to organise stereo monitoring
- Zita-jclient - Library to create a Jack client with a few lines of C++
- Zita-dpl1 - Look-ahead digital peak level limiter
- Zita-convolver - Fast, partitioned convolution engine library
- Zita-bls1 - Blumlein Shuffler converter of binaural signals to stereo speaker pair
- Zita-at1 - Autotuner Jack application
- Zita-alsa-pcmi - Easy access to ALSA PCM devices
- Zinf - GTK-based MP3 player