JPS6294090A - Encoding device - Google Patents

Encoding device

Info

Publication number
JPS6294090A
JPS6294090A JP23320285A JP23320285A JPS6294090A JP S6294090 A JPS6294090 A JP S6294090A JP 23320285 A JP23320285 A JP 23320285A JP 23320285 A JP23320285 A JP 23320285A JP S6294090 A JPS6294090 A JP S6294090A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
3i
bits
encoded
sample value
bit number
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP23320285A
Inventor
Takashi Furuhata
Keizo Nishimura
Fujio Okamura
Hitoaki Owashi
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Abstract

PURPOSE: To prevent the accumulation of a quantized noise by encoding a reference sample value by a quantization bit number (n) with a negligible quantization error and a quantization bit number (m) which is smaller that said number (n) and prodduced m the basis of a difference related to said reference sample value.
CONSTITUTION: Among three sample values A3i-1, A3i and A3i+1, bit are encoded by n-bits with the sample value A3i denoted by a circle as a reference sample value. Here the quantization bit number (n) is a value with a negligible qantization error. In terms of the remaining two sample values A3i-1 and A3i+1, two difference data B3i-1 and B3i+1 which are denoted by a cross and given according to the equation in accordance with the difference from the reference sample value A3i are encoded by the bit number m(<n). Where n=8 and m=4, the reference data A3i is encoded by eight bits, and the difference data B3i-1 and B3i+1 are encoded by four bits. Compared with a conventional system encoding all sample values by eight bits, bits can be compressed to 2/3.
COPYRIGHT: (C)1987,JPO&Japio
JP23320285A 1985-10-21 1985-10-21 Encoding device Pending JPS6294090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23320285A JPS6294090A (en) 1985-10-21 1985-10-21 Encoding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23320285A JPS6294090A (en) 1985-10-21 1985-10-21 Encoding device

Publications (1)

Publication Number Publication Date
JPS6294090A true true JPS6294090A (en) 1987-04-30

Family

ID=16951347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23320285A Pending JPS6294090A (en) 1985-10-21 1985-10-21 Encoding device

Country Status (1)

Country Link
JP (1) JPS6294090A (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6330081A (en) * 1986-07-23 1988-02-08 Canon Inc Coding method for picture signal
JPS63175267A (en) * 1987-01-14 1988-07-19 Nec Corp Digital sound recording system
WO2007040355A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
WO2007040371A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
WO2007043845A1 (en) * 2005-10-13 2007-04-19 Lg Electronics Inc. Method and apparatus for processing a signal
WO2007043841A1 (en) * 2005-10-13 2007-04-19 Lg Electronics Inc. Method and apparatus for signal processing
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7653533B2 (en) 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7761303B2 (en) 2005-08-30 2010-07-20 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7970072B2 (en) 2005-10-13 2011-06-28 Lg Electronics Inc. Method and apparatus for processing a signal
US7987097B2 (en) 2005-08-30 2011-07-26 Lg Electronics Method for decoding an audio signal
US8090586B2 (en) 2005-05-26 2012-01-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
US8185403B2 (en) 2005-06-30 2012-05-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
US8194754B2 (en) 2005-10-13 2012-06-05 Lg Electronics Inc. Method for processing a signal and apparatus for processing a signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633034A (en) * 1979-08-28 1981-04-03 Agency Of Ind Science & Technol Manufacture of catalyst for dehydrogenation
JPS58223978A (en) * 1982-06-22 1983-12-26 Matsushita Electric Ind Co Ltd Band compressing system of video signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633034A (en) * 1979-08-28 1981-04-03 Agency Of Ind Science & Technol Manufacture of catalyst for dehydrogenation
JPS58223978A (en) * 1982-06-22 1983-12-26 Matsushita Electric Ind Co Ltd Band compressing system of video signal

Cited By (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6330081A (en) * 1986-07-23 1988-02-08 Canon Inc Coding method for picture signal
JPS63175267A (en) * 1987-01-14 1988-07-19 Nec Corp Digital sound recording system
US8214220B2 (en) 2005-05-26 2012-07-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
US8150701B2 (en) 2005-05-26 2012-04-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
US8090586B2 (en) 2005-05-26 2012-01-03 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
US8170883B2 (en) 2005-05-26 2012-05-01 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
US8214221B2 (en) 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
US8185403B2 (en) 2005-06-30 2012-05-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
US8103514B2 (en) 2005-08-30 2012-01-24 Lg Electronics Inc. Slot position coding of OTT syntax of spatial audio coding application
US7831435B2 (en) 2005-08-30 2010-11-09 Lg Electronics Inc. Slot position coding of OTT syntax of spatial audio coding application
US8165889B2 (en) 2005-08-30 2012-04-24 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
US7822616B2 (en) 2005-08-30 2010-10-26 Lg Electronics Inc. Time slot position coding of multiple frame types
US7792668B2 (en) 2005-08-30 2010-09-07 Lg Electronics Inc. Slot position coding for non-guided spatial audio coding
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7783494B2 (en) 2005-08-30 2010-08-24 Lg Electronics Inc. Time slot position coding
US7987097B2 (en) 2005-08-30 2011-07-26 Lg Electronics Method for decoding an audio signal
US7765104B2 (en) 2005-08-30 2010-07-27 Lg Electronics Inc. Slot position coding of residual signals of spatial audio coding application
US7761303B2 (en) 2005-08-30 2010-07-20 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
US8103513B2 (en) 2005-08-30 2012-01-24 Lg Electronics Inc. Slot position coding of syntax of spatial audio application
US8060374B2 (en) 2005-08-30 2011-11-15 Lg Electronics Inc. Slot position coding of residual signals of spatial audio coding application
US8082158B2 (en) 2005-08-30 2011-12-20 Lg Electronics Inc. Time slot position coding of multiple frame types
US7783493B2 (en) 2005-08-30 2010-08-24 Lg Electronics Inc. Slot position coding of syntax of spatial audio application
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
KR100857118B1 (en) * 2005-10-05 2008-09-05 엘지전자 주식회사 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR101169281B1 (en) 2005-10-05 2012-08-02 엘지전자 주식회사 Method and apparatus for audio signal processing and encoding and decoding method, and apparatus therefor
KR100878833B1 (en) 2005-10-05 2009-01-14 엘지전자 주식회사 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
JP2009511943A (en) * 2005-10-05 2009-03-19 エルジー エレクトロニクス インコーポレイティド Signal processing method and apparatus, the encoding and decoding method and apparatus therefor
US7643561B2 (en) 2005-10-05 2010-01-05 Lg Electronics Inc. Signal processing using pilot based coding
US7643562B2 (en) 2005-10-05 2010-01-05 Lg Electronics Inc. Signal processing using pilot based coding
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
WO2007040353A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing
US7660358B2 (en) 2005-10-05 2010-02-09 Lg Electronics Inc. Signal processing using pilot based coding
WO2007040365A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7671766B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7675977B2 (en) 2005-10-05 2010-03-09 Lg Electronics Inc. Method and apparatus for processing audio signal
US7680194B2 (en) 2005-10-05 2010-03-16 Lg Electronics Inc. Method and apparatus for signal processing, encoding, and decoding
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US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
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US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7756702B2 (en) 2005-10-05 2010-07-13 Lg Electronics Inc. Signal processing using pilot based coding
US7756701B2 (en) 2005-10-05 2010-07-13 Lg Electronics Inc. Audio signal processing using pilot based coding
US8203930B2 (en) 2005-10-05 2012-06-19 Lg Electronics Inc. Method of processing a signal and apparatus for processing a signal
WO2007040356A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
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US7774199B2 (en) 2005-10-05 2010-08-10 Lg Electronics Inc. Signal processing using pilot based coding
WO2007040364A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
WO2007040366A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
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WO2007040354A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7813380B2 (en) 2005-10-05 2010-10-12 Lg Electronics Inc. Method of processing a signal and apparatus for processing a signal
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US7970072B2 (en) 2005-10-13 2011-06-28 Lg Electronics Inc. Method and apparatus for processing a signal
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