AR095087A1 - Cuantificación de señales de audio adaptables por tonalidad de baja complejidad - Google Patents
Cuantificación de señales de audio adaptables por tonalidad de baja complejidadInfo
- Publication number
- AR095087A1 AR095087A1 ARP140100300A ARP140100300A AR095087A1 AR 095087 A1 AR095087 A1 AR 095087A1 AR P140100300 A ARP140100300 A AR P140100300A AR P140100300 A ARP140100300 A AR P140100300A AR 095087 A1 AR095087 A1 AR 095087A1
- Authority
- AR
- Argentina
- Prior art keywords
- spectrum
- hue
- control device
- dead zone
- spectral
- Prior art date
Links
- 238000011002 quantification Methods 0.000 title abstract 2
- 230000005236 sound signal Effects 0.000 abstract 6
- 238000001228 spectrum Methods 0.000 abstract 4
- 230000003595 spectral effect Effects 0.000 abstract 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000013139 quantization Methods 0.000 abstract 1
Classifications
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- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
-
- 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
- G10L19/0212—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 using orthogonal transformation
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/555—Tonality processing, involving the key in which a musical piece or melody is played
- G10H2210/561—Changing the tonality within a musical piece
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
La presente proporciona un codificador de audio para codificar una señal de audio (AS) con el objetivo de producir a partir de ella una señal codificada (ES), el codificador de audio (1) que comprende un dispositivo de integración por marcos (2) configurado para extraer marcos (F) de la señal de audio (AS); un cuantificador (3) configurado para trazar el mapa de líneas espectrales (SL₁₋₃₂) de una señal de espectro (SPS) que deriva del marco (F) de la señal de audio (AS) a los índices de cuantificación (I₀, I₁), en donde el cuantificador (3) tiene una zona muerta (DZ), en la cual las líneas espectrales de entrada (SL) se mapean hasta el índice de cuantificación cero (I₀); y un dispositivo de control (4) configurado para modificar la zona muerta (DZ); en donde el dispositivo de control (4) comprende un dispositivo para calcular la tonalidad (5) configurado para calcular por lo menos un valor indicativo de tonalidad (TI₅₋₃₂) para por lo menos una línea de espectro (SL₁₋₃₂) o para por lo menos un grupo de líneas espectrales (SL₁₋₃₂),en donde el dispositivo de control (4) está configurado para modificar la zona muerta (DZ) para la por lo menos una línea de espectro (SL₁₋₃₂) o el por lo menos un grupo de líneas de espectro (SL₁₋₃₂) dependiendo del respectivo valor indicativo de tonalidad (TI₅₋₃₂).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758191P | 2013-01-29 | 2013-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR095087A1 true AR095087A1 (es) | 2015-09-30 |
Family
ID=50023575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100300A AR095087A1 (es) | 2013-01-29 | 2014-01-29 | Cuantificación de señales de audio adaptables por tonalidad de baja complejidad |
Country Status (20)
Country | Link |
---|---|
US (3) | US10468043B2 (es) |
EP (1) | EP2939235B1 (es) |
JP (3) | JP6334564B2 (es) |
KR (1) | KR101757341B1 (es) |
CN (2) | CN105103226B (es) |
AR (1) | AR095087A1 (es) |
AU (1) | AU2014211539B2 (es) |
BR (1) | BR112015018050B1 (es) |
CA (1) | CA2898789C (es) |
ES (1) | ES2613651T3 (es) |
HK (1) | HK1216263A1 (es) |
MX (1) | MX346732B (es) |
MY (1) | MY172848A (es) |
PL (1) | PL2939235T3 (es) |
PT (1) | PT2939235T (es) |
RU (1) | RU2621003C2 (es) |
SG (1) | SG11201505922XA (es) |
TW (1) | TWI524331B (es) |
WO (1) | WO2014118171A1 (es) |
ZA (1) | ZA201506319B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2014211539B2 (en) | 2013-01-29 | 2017-04-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Low-complexity tonality-adaptive audio signal quantization |
EP3396670B1 (en) * | 2017-04-28 | 2020-11-25 | Nxp B.V. | Speech signal processing |
CN113539281A (zh) * | 2020-04-21 | 2021-10-22 | 华为技术有限公司 | 音频信号编码方法和装置 |
US11348594B2 (en) * | 2020-06-11 | 2022-05-31 | Qualcomm Incorporated | Stream conformant bit error resilience |
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JP2841765B2 (ja) * | 1990-07-13 | 1998-12-24 | 日本電気株式会社 | 適応ビット割当て方法及び装置 |
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US6167093A (en) * | 1994-08-16 | 2000-12-26 | Sony Corporation | Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission |
DE19505435C1 (de) | 1995-02-17 | 1995-12-07 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Bestimmen der Tonalität eines Audiosignals |
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JP4168976B2 (ja) * | 2004-05-28 | 2008-10-22 | ソニー株式会社 | オーディオ信号符号化装置及び方法 |
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2014
- 2014-01-28 AU AU2014211539A patent/AU2014211539B2/en active Active
- 2014-01-28 MX MX2015009753A patent/MX346732B/es active IP Right Grant
- 2014-01-28 CA CA2898789A patent/CA2898789C/en active Active
- 2014-01-28 PT PT147015580T patent/PT2939235T/pt unknown
- 2014-01-28 SG SG11201505922XA patent/SG11201505922XA/en unknown
- 2014-01-28 ES ES14701558.0T patent/ES2613651T3/es active Active
- 2014-01-28 JP JP2015554196A patent/JP6334564B2/ja active Active
- 2014-01-28 CN CN201480006396.9A patent/CN105103226B/zh active Active
- 2014-01-28 WO PCT/EP2014/051624 patent/WO2014118171A1/en active Application Filing
- 2014-01-28 EP EP14701558.0A patent/EP2939235B1/en active Active
- 2014-01-28 MY MYPI2015001904A patent/MY172848A/en unknown
- 2014-01-28 PL PL14701558T patent/PL2939235T3/pl unknown
- 2014-01-28 KR KR1020157022139A patent/KR101757341B1/ko active IP Right Grant
- 2014-01-28 RU RU2015136242A patent/RU2621003C2/ru active
- 2014-01-28 CN CN201910203346.4A patent/CN110047499B/zh active Active
- 2014-01-28 BR BR112015018050-7A patent/BR112015018050B1/pt active IP Right Grant
- 2014-01-29 AR ARP140100300A patent/AR095087A1/es active IP Right Grant
- 2014-01-29 TW TW103103513A patent/TWI524331B/zh active
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2015
- 2015-07-29 US US14/812,465 patent/US10468043B2/en active Active
- 2015-08-28 ZA ZA2015/06319A patent/ZA201506319B/en unknown
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2016
- 2016-04-14 HK HK16104252.7A patent/HK1216263A1/zh unknown
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2017
- 2017-04-06 JP JP2017076101A patent/JP6526091B2/ja active Active
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2019
- 2019-05-07 JP JP2019087245A patent/JP6979048B2/ja active Active
- 2019-09-25 US US16/583,119 patent/US11094332B2/en active Active
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2021
- 2021-08-06 US US17/396,526 patent/US11694701B2/en active Active
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