ATE502442T1 - Bitzählwertbestimmung zur iterativen signalcodierung - Google Patents
Bitzählwertbestimmung zur iterativen signalcodierungInfo
- Publication number
- ATE502442T1 ATE502442T1 AT08788774T AT08788774T ATE502442T1 AT E502442 T1 ATE502442 T1 AT E502442T1 AT 08788774 T AT08788774 T AT 08788774T AT 08788774 T AT08788774 T AT 08788774T AT E502442 T1 ATE502442 T1 AT E502442T1
- Authority
- AT
- Austria
- Prior art keywords
- bit count
- count value
- value determination
- signal coding
- iterative signal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/002—Dynamic bit allocation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Detection And Correction Of Errors (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0720861A GB2454168A (en) | 2007-10-24 | 2007-10-24 | Estimating the number of bits required to compress a plurality of samples using a given quantisation parameter by calculating logarithms of quantised samples |
PCT/GB2008/050805 WO2009053728A1 (en) | 2007-10-24 | 2008-09-09 | Bitcount determination for iterative signal coding |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE502442T1 true ATE502442T1 (de) | 2011-04-15 |
Family
ID=38829861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08788774T ATE502442T1 (de) | 2007-10-24 | 2008-09-09 | Bitzählwertbestimmung zur iterativen signalcodierung |
Country Status (7)
Country | Link |
---|---|
US (1) | US8217811B2 (de) |
EP (1) | EP2201690B1 (de) |
JP (1) | JP2011504667A (de) |
AT (1) | ATE502442T1 (de) |
DE (1) | DE602008005628D1 (de) |
GB (1) | GB2454168A (de) |
WO (1) | WO2009053728A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8204744B2 (en) * | 2008-12-01 | 2012-06-19 | Research In Motion Limited | Optimization of MP3 audio encoding by scale factors and global quantization step size |
KR101854469B1 (ko) * | 2011-11-30 | 2018-05-04 | 삼성전자주식회사 | 오디오 컨텐츠의 비트레이트 판단장치 및 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4455649A (en) * | 1982-01-15 | 1984-06-19 | International Business Machines Corporation | Method and apparatus for efficient statistical multiplexing of voice and data signals |
US6037985A (en) * | 1996-10-31 | 2000-03-14 | Texas Instruments Incorporated | Video compression |
US6668015B1 (en) * | 1996-12-18 | 2003-12-23 | Thomson Licensing S.A. | Efficient fixed-length block compression and decompression |
JPH1188698A (ja) * | 1997-09-02 | 1999-03-30 | Mitsubishi Electric Corp | 符号量制御方法 |
JP3356663B2 (ja) * | 1997-10-22 | 2002-12-16 | 松下電器産業株式会社 | 画像符号化装置、画像符号化方法および画像符号化プログラムを記録した記録媒体 |
GB2346282B (en) * | 1999-01-28 | 2003-02-19 | Snell & Wilcox Ltd | Bit rate control in compression encoding |
US6639942B1 (en) * | 1999-10-21 | 2003-10-28 | Toshiba America Electronic Components, Inc. | Method and apparatus for estimating and controlling the number of bits |
US6601032B1 (en) * | 2000-06-14 | 2003-07-29 | Intervideo, Inc. | Fast code length search method for MPEG audio encoding |
US6847656B1 (en) * | 2000-09-25 | 2005-01-25 | General Instrument Corporation | Statistical remultiplexing with bandwidth allocation among different transcoding channels |
US6628709B2 (en) * | 2000-12-21 | 2003-09-30 | Matsushita Electric Corporation Of America | Bit number prediction for VLC coded DCT coefficients and its application in DV encoding/transcoding |
US6732071B2 (en) * | 2001-09-27 | 2004-05-04 | Intel Corporation | Method, apparatus, and system for efficient rate control in audio encoding |
US7027982B2 (en) * | 2001-12-14 | 2006-04-11 | Microsoft Corporation | Quality and rate control strategy for digital audio |
US20060176953A1 (en) * | 2005-02-04 | 2006-08-10 | Nader Mohsenian | Method and system for video encoding with rate control |
JP4828925B2 (ja) * | 2005-11-30 | 2011-11-30 | パナソニック株式会社 | 符号化装置 |
JP2007166039A (ja) * | 2005-12-09 | 2007-06-28 | Matsushita Electric Ind Co Ltd | 画像符号化装置 |
JP4823001B2 (ja) * | 2006-09-27 | 2011-11-24 | 富士通セミコンダクター株式会社 | オーディオ符号化装置 |
-
2007
- 2007-10-24 GB GB0720861A patent/GB2454168A/en not_active Withdrawn
-
2008
- 2008-09-09 AT AT08788774T patent/ATE502442T1/de not_active IP Right Cessation
- 2008-09-09 US US12/679,719 patent/US8217811B2/en not_active Expired - Fee Related
- 2008-09-09 EP EP08788774A patent/EP2201690B1/de not_active Not-in-force
- 2008-09-09 WO PCT/GB2008/050805 patent/WO2009053728A1/en active Application Filing
- 2008-09-09 JP JP2010530557A patent/JP2011504667A/ja active Pending
- 2008-09-09 DE DE602008005628T patent/DE602008005628D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
WO2009053728A1 (en) | 2009-04-30 |
GB0720861D0 (en) | 2007-12-05 |
EP2201690A1 (de) | 2010-06-30 |
EP2201690B1 (de) | 2011-03-16 |
US8217811B2 (en) | 2012-07-10 |
DE602008005628D1 (de) | 2011-04-28 |
GB2454168A (en) | 2009-05-06 |
JP2011504667A (ja) | 2011-02-10 |
US20100201549A1 (en) | 2010-08-12 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |