Spatial Audio Processing
MPEG Surround and Other Applications
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Beschreibung
This book collects a wealth of information about spatial audiocoding into one comprehensible volume. It is a thorough referenceto the 3GPP and MPEG Parametric Stereo standards and the MPEGSurround multi-channel audio coding standard. It describes keydevelopments in coding techniques, which is an important factor inthe optimization of advanced entertainment, communications andsignal processing applications.
Until recently, technologies for coding audio signals, such asredundancy reduction and sophisticated source and receiver modelsdid not incorporate spatial characteristics of source and receivingends. Spatial audio coding achieves much higher compression ratiosthan conventional coders. It does this by representingmulti-channel audio signals as a downmix signal plus sideinformation that describes the perceptually-relevant spatialinformation.
Written by experts in spatial audio coding, Spatial AudioProcessing:
* reviews psychoacoustics (the relationship between physicalmeasures of sound and the corresponding percepts) and spatial audiosound formats and reproduction systems;
* brings together the processing, acquisition, mixing, playback,and perception of spatial audio, with the latest codingtechniques;
* analyses algorithms for the efficient manipulation of multiple,discrete and combined spatial audio channels, including both MP3and MPEG Surround;
* shows how the same insights on source and receiver models canalso be applied for manipulation of audio signals, such as thesynthesis of virtual auditory scenes employing head-relatedtransfer function (HRTF) processing and stereo to N-channel audioupmix.
Audio processing research engineers and audio coding researchand implementation engineers will find this an insightful guide.Academic audio and psychoacoustic researchers, includingpost-graduate and third/fourth year students taking courses insignal processing, audio and speech processing, andtelecommunications, will also benefit from the informationinside.
Autor*in
Jeroen Breebaart
Themen in »Spatial Audio Processing«
Audio & Speech Processing & Broadcasting Audio-, Sprachverarbeitung u. Übertragung Electrical & Electronics Engineering Elektrotechnik u. Elektronik Signal Processing Signalverarbeitung