AR094672A1 - Aparato y método para generar una señal de refuerzo de frecuencia mediante una operación de limitación de energía - Google Patents
Aparato y método para generar una señal de refuerzo de frecuencia mediante una operación de limitación de energíaInfo
- Publication number
- AR094672A1 AR094672A1 ARP140100288A ARP140100288A AR094672A1 AR 094672 A1 AR094672 A1 AR 094672A1 AR P140100288 A ARP140100288 A AR P140100288A AR P140100288 A ARP140100288 A AR P140100288A AR 094672 A1 AR094672 A1 AR 094672A1
- Authority
- AR
- Argentina
- Prior art keywords
- signal
- generating
- frequency
- energy
- boost
- Prior art date
Links
- 230000002787 reinforcement Effects 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
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
- G10L19/04—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 predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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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
- G10L19/04—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 predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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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
- G10L19/0204—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 subband decomposition
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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
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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
- G10L2019/0001—Codebooks
- G10L2019/0012—Smoothing of parameters of the decoder interpolation
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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
- G10L2019/0001—Codebooks
- G10L2019/0016—Codebook for LPC parameters
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
- G10L21/0388—Details of processing therefor
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Testing Relating To Insulation (AREA)
- Picture Signal Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Stereophonic System (AREA)
- Plasma Technology (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Dc-Dc Converters (AREA)
- Electrotherapy Devices (AREA)
- Error Detection And Correction (AREA)
Abstract
Un aparato para generar una señal de refuerzo de la frecuencia (130), comprende: un generador de señales (200) para generar una señal de refuerzo a partir de una señal de núcleo (120), comprendiendo la señal de refuerzo un intervalo de frecuencias de refuerzo no incluido en la señal de núcleo, en donde una porción de tiempo de la señal de refuerzo comprende señales de sub-banda para una pluralidad de sub-bandas: un banco de filtros de síntesis (300) para generar la señal de frecuencia reforzada (140) mediante la señal de refuerzo (130), en donde el generador de señales (200) está configurado para llevar a cabo una limitación de la energía a efectos de asegurar que la señal de refuerzo de la frecuencia (140) obtenida mediante el banco de filtros de síntesis (300) es tal que una energía de una banda superior es a lo sumo, igual a una energía en una banda inferior o es superior a una energía de una banda superior, en a lo sumo un umbral predefinido.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758090P | 2013-01-29 | 2013-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR094672A1 true AR094672A1 (es) | 2015-08-19 |
Family
ID=50029033
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100286A AR094670A1 (es) | 2013-01-29 | 2014-01-29 | Aparato y método para generar una señal de frecuencia reforzada mediante la configuración de la señal de refuerzo |
ARP140100288A AR094672A1 (es) | 2013-01-29 | 2014-01-29 | Aparato y método para generar una señal de refuerzo de frecuencia mediante una operación de limitación de energía |
ARP140100287A AR094671A1 (es) | 2013-01-29 | 2014-01-29 | Aparato y método para generar una señal de frecuencia reforzada mediante la suavización temporal de las sub-bandas |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100286A AR094670A1 (es) | 2013-01-29 | 2014-01-29 | Aparato y método para generar una señal de frecuencia reforzada mediante la configuración de la señal de refuerzo |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100287A AR094671A1 (es) | 2013-01-29 | 2014-01-29 | Aparato y método para generar una señal de frecuencia reforzada mediante la suavización temporal de las sub-bandas |
Country Status (20)
Country | Link |
---|---|
US (4) | US9640189B2 (es) |
EP (4) | EP3136386B1 (es) |
JP (3) | JP6289507B2 (es) |
KR (3) | KR101757349B1 (es) |
CN (3) | CN105229738B (es) |
AR (3) | AR094670A1 (es) |
AU (3) | AU2014211529B2 (es) |
BR (3) | BR112015017632B1 (es) |
CA (3) | CA2899080C (es) |
ES (3) | ES2914614T3 (es) |
HK (2) | HK1218019A1 (es) |
MX (3) | MX351191B (es) |
MY (3) | MY172710A (es) |
PL (1) | PL2951825T3 (es) |
PT (1) | PT2951825T (es) |
RU (3) | RU2625945C2 (es) |
SG (3) | SG11201505883WA (es) |
TW (2) | TWI529701B (es) |
WO (3) | WO2014118161A1 (es) |
ZA (2) | ZA201506268B (es) |
Families Citing this family (7)
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BR112015017632B1 (pt) | 2013-01-29 | 2022-06-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Aparelho e método para gerar um sinal melhorado da frequência utilizando nivelamento temporal de sub-bandas |
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EP3671741A1 (en) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Audio processor and method for generating a frequency-enhanced audio signal using pulse processing |
CN109841223B (zh) * | 2019-03-06 | 2020-11-24 | 深圳大学 | 一种音频信号处理方法、智能终端及存储介质 |
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2014
- 2014-01-28 BR BR112015017632-1A patent/BR112015017632B1/pt active IP Right Grant
- 2014-01-28 EP EP16190670.6A patent/EP3136386B1/en active Active
- 2014-01-28 CA CA2899080A patent/CA2899080C/en active Active
- 2014-01-28 RU RU2015136768A patent/RU2625945C2/ru active
- 2014-01-28 CA CA2899078A patent/CA2899078C/en active Active
- 2014-01-28 MX MX2015009536A patent/MX351191B/es active IP Right Grant
- 2014-01-28 AU AU2014211529A patent/AU2014211529B2/en active Active
- 2014-01-28 JP JP2015555675A patent/JP6289507B2/ja active Active
- 2014-01-28 AU AU2014211527A patent/AU2014211527B2/en active Active
- 2014-01-28 RU RU2015136470A patent/RU2608447C1/ru active
- 2014-01-28 SG SG11201505883WA patent/SG11201505883WA/en unknown
- 2014-01-28 EP EP14702513.4A patent/EP2951827A1/en not_active Withdrawn
- 2014-01-28 PT PT147017503T patent/PT2951825T/pt unknown
- 2014-01-28 RU RU2015136799A patent/RU2624104C2/ru active
- 2014-01-28 EP EP14702224.8A patent/EP2951826B1/en active Active
- 2014-01-28 PL PL14701750T patent/PL2951825T3/pl unknown
- 2014-01-28 BR BR112015017868-5A patent/BR112015017868B1/pt active IP Right Grant
- 2014-01-28 BR BR112015017866-9A patent/BR112015017866B1/pt active IP Right Grant
- 2014-01-28 MY MYPI2015001892A patent/MY172710A/en unknown
- 2014-01-28 EP EP14701750.3A patent/EP2951825B1/en active Active
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- 2014-01-28 ES ES14702224T patent/ES2914614T3/es active Active
- 2014-01-28 SG SG11201505906RA patent/SG11201505906RA/en unknown
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