MX342794B - Aparato y metodo para fusionar corrientes de codificacion de audio espacial basada en geometria. - Google Patents
Aparato y metodo para fusionar corrientes de codificacion de audio espacial basada en geometria.Info
- Publication number
- MX342794B MX342794B MX2014006199A MX2014006199A MX342794B MX 342794 B MX342794 B MX 342794B MX 2014006199 A MX2014006199 A MX 2014006199A MX 2014006199 A MX2014006199 A MX 2014006199A MX 342794 B MX342794 B MX 342794B
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- Mexico
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- audio data
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Links
- 239000010410 layer Substances 0.000 abstract 6
- 239000002356 single layer Substances 0.000 abstract 3
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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
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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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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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
- G10L21/0272—Voice signal separating
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
- G06F18/2134—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
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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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/11—Application of ambisonics in stereophonic audio systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Quality & Reliability (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Biology (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Artificial Intelligence (AREA)
- Life Sciences & Earth Sciences (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Se provee un aparato para generar una corriente de datos de audio fusionados. El aparato comprende a demultiplexor (180) para obtener una pluralidad de corrientes de datos de audio de una sola capa, en donde el demultiplexor (180) está adaptado para recibir una o más corrientes ingresadas de datos de audio, en donde cada corriente ingresada de datos de audio comprende una o más capas, en dondeel demultiplexor (180) está adaptado para demultiplexar cada una de las corrientes ingresadas de datos de audio que tienen una o más capas en dos o más corrientes de datos de audio demultiplexados que tienen exactamente una capa, de manera tal que las dos o más corrientes de datos de audio demultiplexedas juntas comprenden la una o más capas de la corriente de datos de audio ingresada. Además, el aparato comprende un módulo de fusión (190) para generar la corriente de datos de audio fusionados, que tiene uno o más capas, en base a la pluralidad de corrientes de datos de audio de una sola capa. Cada capa de la corrientes de datos de audio ingresados, de la corriente de datos de audio demultiplexada, de las corrientes de datos de audio de una sola capa, y de la corriente de datos de audio fusionada, comprende un valor de presión de una señal de presión, un valor de posición y un valor de grado de difusión como datos de audio.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11191816.5A EP2600343A1 (en) | 2011-12-02 | 2011-12-02 | Apparatus and method for merging geometry - based spatial audio coding streams |
US13/445,585 US9484038B2 (en) | 2011-12-02 | 2012-04-12 | Apparatus and method for merging geometry-based spatial audio coding streams |
PCT/EP2012/074097 WO2013079663A2 (en) | 2011-12-02 | 2012-11-30 | Apparatus and method for merging geometry-based spatial audio coding streams |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2014006199A MX2014006199A (es) | 2014-12-08 |
MX342794B true MX342794B (es) | 2016-10-12 |
Family
ID=45047686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2014006199A MX342794B (es) | 2011-12-02 | 2012-11-30 | Aparato y metodo para fusionar corrientes de codificacion de audio espacial basada en geometria. |
Country Status (18)
Country | Link |
---|---|
US (1) | US9484038B2 (es) |
EP (2) | EP2600343A1 (es) |
JP (1) | JP6086923B2 (es) |
KR (1) | KR101666730B1 (es) |
CN (1) | CN104185869B9 (es) |
AR (1) | AR089053A1 (es) |
AU (3) | AU2012343819C1 (es) |
BR (1) | BR112014013336B1 (es) |
CA (1) | CA2857614C (es) |
HK (1) | HK1202181A1 (es) |
IN (1) | IN2014KN01069A (es) |
MX (1) | MX342794B (es) |
MY (1) | MY167160A (es) |
RU (1) | RU2609102C2 (es) |
SG (1) | SG11201402777QA (es) |
TW (1) | TWI555412B (es) |
WO (1) | WO2013079663A2 (es) |
ZA (1) | ZA201404823B (es) |
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2011
- 2011-12-02 EP EP11191816.5A patent/EP2600343A1/en not_active Withdrawn
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2012
- 2012-04-12 US US13/445,585 patent/US9484038B2/en active Active
- 2012-11-30 JP JP2014543912A patent/JP6086923B2/ja active Active
- 2012-11-30 WO PCT/EP2012/074097 patent/WO2013079663A2/en active Application Filing
- 2012-11-30 AU AU2012343819A patent/AU2012343819C1/en active Active
- 2012-11-30 EP EP12794963.4A patent/EP2786374B1/en active Active
- 2012-11-30 BR BR112014013336-0A patent/BR112014013336B1/pt active IP Right Grant
- 2012-11-30 RU RU2014126818A patent/RU2609102C2/ru active
- 2012-11-30 CA CA2857614A patent/CA2857614C/en active Active
- 2012-11-30 AR ARP120104513A patent/AR089053A1/es active IP Right Grant
- 2012-11-30 KR KR1020147018321A patent/KR101666730B1/ko active IP Right Grant
- 2012-11-30 MY MYPI2014001578A patent/MY167160A/en unknown
- 2012-11-30 MX MX2014006199A patent/MX342794B/es active IP Right Grant
- 2012-11-30 SG SG11201402777QA patent/SG11201402777QA/en unknown
- 2012-11-30 TW TW101145074A patent/TWI555412B/zh active
- 2012-11-30 IN IN1069KON2014 patent/IN2014KN01069A/en unknown
- 2012-11-30 CN CN201280067983.XA patent/CN104185869B9/zh active Active
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2014
- 2014-06-30 ZA ZA2014/04823A patent/ZA201404823B/en unknown
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2015
- 2015-03-16 HK HK15102679.7A patent/HK1202181A1/xx unknown
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2016
- 2016-04-22 AU AU2016202604A patent/AU2016202604A1/en not_active Abandoned
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2018
- 2018-01-25 AU AU2018200613A patent/AU2018200613A1/en not_active Withdrawn
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