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libvorbisenc - API Overview
https://www.xiph.org/vorbis/doc/vorbisenc/overview.html
Libvorbisenc 1.1 allows quality requests in the range of -0.1 (lowest quality, smallest files) through +1.0 (highest-quality, largest files). Quality -0.1 is intended as an ultra-low setting in which low bitrate is much more important than quality consistency. Quality settings 0.0 and above are intended to produce consistent results at all times.
libvorbis-1.3.7 - Linux From Scratch
https://linuxfromscratch.org/blfs/view/svn/multimedia/libvorbis.html
Introduction to libvorbis The libvorbis package contains a general purpose audio and music encoding format. This is useful for creating (encoding) and playing (decoding) sound in an open (patent free) format. This package is known to …
Xiph.org
Vorbis audio compression. Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format for mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel.
conversion - High quality ogv files - possible? - Video ...
https://video.stackexchange.com/questions/3707/high-quality-ogv-files-possible
The valid range to set audio quality with libvorbis is 0 to 10. A higher value is higher quality. See the Recommended Vorbis Encoder Settings to get an idea of what values to use. The default of -q:a 3 will be used if you omit -q:a or -b:a. Note that ffmpeg supports two Vorbis encoders: the external library libtheora (-c:a libvorbis) and the native Vorbis encoder (-c:a vorbis -strict …
Converting mp3 stream to ogg vorbis · Issue #2 · fluent ...
https://github.com/fluent-ffmpeg/node-fluent-ffmpeg/issues/2
Wow, after installing libogg and libvorbis, then configuring with --disable-encoder=vorbis --enable-libvorbis and reinstalling ffmpeg as well as using .withAudioCodec('libvorbis'), audio quality is super-great and the file size went from 5MB to... 1.9MB. Insane.
GitHub - xiph/vorbis: Reference implementation of the …
https://github.com/xiph/vorbis
Vorbis. Vorbis is a general purpose audio and music encoding format contemporary to MPEG-4's AAC and TwinVQ, the next generation beyond MPEG audio layer 3. Unlike the MPEG sponsored formats (and other proprietary formats such as RealAudio G2 and Windows' flavor of the month), the Vorbis CODEC specification belongs to the public domain.
FFmpeg: Extract Audio From Video In Original Format Or ...
https://www.linuxuprising.com/2019/11/ffmpeg-extract-audio-from-video-in.html
ffmpeg -i myvideo.mp4 -codec:a libmp3lame -q:a QUALITY audio.mp3 Specify the QUALITY in the 0-9 range, where 0 is best, 9 is worst, and 4 is the default value. A table presenting each FFmpeg VBR option is available here. Extract audio from a video, using Ogg as the resulting container (it should auto-detect Vorbis as the audio format), with variable bitrate (VBR): ffmpeg …
Wwise Help - Industry Leading Interactive Audio Solutions
https://www.audiokinetic.com/library/edge/?source=Help&id=vorbis_encoder_parameters
The Vorbis variable rate codec will keep the encoding quality value that you specify constant while varying the bitrate. A high compression rate can result in reduced quality. To achieve a higher quality, and therefore a lower compression rate, select a value close to the top range. Default value: +4 Range: -2 to +10
Convert video files to MP4 through FFMPEG · GitHub
https://gist.github.com/dvlden/b9d923cb31775f92fa54eb8c39ccd5a9
libfaac, libfdk_aac, libvorbis: Audio Codec-quality: best, good, realtime: Video Quality-b:a: 128k, 192k, 256k, 320k: Audio Bitrate-codec:v: mpeg4, libx264, libvpx-vp9: Video Codec-b:v: 1000, 2500, 5000, 8000: Video Bitrate-vf scale-1:X: Resize Video (X is height)-qmin 10 …
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