audio
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... codec streams that consist of raw, unencapsulated data packets, such
as the Vorbis audio codec or the upcoming Tarkin and Theora video
codecs. It is capable of interleaving different binary media and
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... and MAY contain information to set up the decoding process. The bos
page SHOULD also contain information about the encoded media - for
example, for audio, it should contain the sample rate and number of
channels. By convention, the first bytes of the bos page contain
...
... framework to encapsulate Vorbis-encoded
audio data for stream-based storage (such as files) and transport
...
... TCP streams or pipes). Ogg Vorbis provides the name and
revision of the Vorbis codec, the audio rate and the audio quality on
the Ogg Vorbis bos page. It also uses two additional header ...
... revision of the Vorbis codec, the audio rate and the audio quality on
the Ogg Vorbis bos page. It also uses two additional header pages
...
... example needed for interleaving a video stream with several
synchronised audio tracks using different codecs in different logical
bitstreams. Chaining on the other hand, is defined to provide a
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... together at the beginning of the Ogg bitstream. The media mapping
specifies the order of the initial pages. For example, the grouping
of a specific Ogg video and Ogg audio bitstream may specify that the
physical bitstream MUST begin with the bos page of the logical video
...
... physical bitstream MUST begin with the bos page of the logical video
bitstream, followed by the bos page of the audio bitstream. Unlike
bos pages, eos pages for the logical bitstreams need not all occur
contiguously. Eos pages may be 'nil' pages, that is, pages
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... video data and usually comes multiplexed
with a Vorbis stream for an Ogg containing synchronised audio and
video. As Ogg does not specify temporal relationships between the
encapsulated concurrently multiplexed bitstreams, the temporal
...
... encapsulated concurrently multiplexed bitstreams, the temporal
synchronisation between the audio and video stream will be specified
in this media mapping. To enable streaming, pages from various
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... 4. granule_position: an 8 Byte field containing position information.
For example, for an audio stream, it MAY contain the total number
of PCM samples encoded after including all frames finished on this
...
... encapsulation format is a container format and only
encapsulates content (such as Vorbis-encoded audio). It does not
provide for any generic encryption or signing ...