![]() Vorbis had been shown to perform significantly better than many other lossy audio formats in the past. In addition, each track contains a digitally-encoded media stream (using a specific format) or a data reference to the media stream located in another file. The format specifies a multimedia container file that contains one or more tracks, each of which stores a particular type of data: audio, video, or text (e.g., for subtitles). Vorbis is most commonly used in conjunction with the Ogg container format, and it is therefore often referred to as Ogg Vorbis. The project produces an audio coding format and software reference encoder/decoder (codec) for lossy audio compression. ![]() Vorbis is a free and open-source software project headed by the Xiph.Org Foundation. Because both the QuickTime and MP4 container formats can use the same MPEG-4 formats, they are mostly interchangeable in a QuickTime-only environment. The International Organization for Standardization approved the QuickTime file format as the basis of the MPEG-4 file format. QuickTime File Format (QTFF) is a computer file format used natively by the QuickTime framework. ![]() Application/ogg, audio/ogg, audio/vorbis, audio/vorbis-config
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