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Publication of MY153593ApublicationCriticalpatent/MY153593A/en
Compression, Expansion, Code Conversion, And Decoders
(AREA)
Abstract
AN AUDIO ENCODER COMPRISES A COMMON PREPROCESSING STAGE (100), AN INFORMATION SINK BASED ENCODING BRANCH (400) SUCH AS SPECTRAL DOMAIN ENCODING BRANCH, A INFORMATION SOURCE BASED ENCODING BRANCH (500) SUCH AS AN LPC-DOMAIN ENCODING BRANCH AND A SWITCH (200) FOR SWITCHING BETWEEN THESE BRANCHES AT INPUTS INTO THESE BRANCHES OR OUTPUTS OF THESE BRANCHES CONTROLLED BY A DECISION STAGE (300). AN AUDIO CODER COMPRISES A SPECTRAL DOMAIN DECODING BRANCH, AN LPC-DOMAIN DECODING BRANCH, ONE OR MORE SWITCHES FOR SWITCHING BETWEEN THE BRANCHES AND A COMMON POST-PROCESSING STAGE FOR POST-PROCESSING A TIME-DOMAIN AUDIO SIGNAL FOR OBTAINING A POST-PROCESSED AUDIO SIGNAL.
MYPI2011000094A2008-07-112009-07-06Low bitrate audio encoding/decoding scheme with common pre-processing
MY153593A
(en)
Audio encoder for encoding an audio signal having an impulse- like portion and stationary portion, encoding methods, decoder, decoding method; and encoded audio signal.