Lines Matching defs:audio
16 Vorbis is a general purpose perceptual audio CODEC intended to allow
51 against errors; it is solely a method of accepting input audio,
54 packets in sequence, decodes them, synthesizes audio frames from
56 audio stream. Vorbis is a free-form variable bit rate (VBR) codec and packets have no
90 as it would be with MPEG audio layers, to embed a simple frame type
91 flag in each audio packet, or begin decode at any frame in the stream
147 Global codec configuration consists of a few audio related fields
202 vector is a low-resolution representation of the audio spectrum for
231 The spectral residue is the fine structure of the audio spectrum
267 specification. Once set up, decode may begin at any audio packet
269 three initial headers are audio packets.
276 version, and the simple audio characteristics of the stream such as
291 The decoding and synthesis procedure for all audio packets is
301 \item compute dot product of floor and residue, producing audio spectrum vector
302 \item inverse monolithic transform of audio spectrum vector, always an MDCT in Vorbis I
305 \item if not first frame, return results of overlap/add as audio result of current frame
321 marks an audio packet. All other packet types are reserved; packets
325 are audio. The first step of audio packet decode is to read and
326 verify the packet type; \emph{a non-audio packet when audio is expected
329 audio}.
451 producing the finished audio spectrum of each channel.
463 the audio spectrum vector should represent a minimum of 120dB (\~{}21
481 The audio spectrum is converted back into time domain PCM audio via an
486 audio; it must be lapped with surrounding frames using an appropriate
496 the window overlap diagram). At this point, the audio data between the
507 \paragraph{return finished audio data}