SG11201700684YA - Method and apparatus for processing an audio signal, audio decoder, and audio encoder - Google Patents

- 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
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- 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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- 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
- G10L19/26—Pre-filtering or post-filtering
- G—PHYSICS
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- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
- G—PHYSICS
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- 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
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
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- 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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
- G—PHYSICS
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- 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
- G—PHYSICS
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- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
- G—PHYSICS
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- 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
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
- 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
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- 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
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/038—Cross-faders therefor
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal

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Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Multimedia (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Signal Processing (AREA)
Acoustics & Sound (AREA)
Computational Linguistics (AREA)
Spectroscopy & Molecular Physics (AREA)
Quality & Reliability (AREA)
Theoretical Computer Science (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Signal Processing For Digital Recording And Reproducing (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)
Circuit For Audible Band Transducer (AREA)
Stereophonic System (AREA)

SG11201700684YA2014-07-282015-07-03Method and apparatus for processing an audio signal, audio decoder, and audio encoderSG11201700684YA (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP14178821.6AEP2980796A1 (en)	2014-07-28	2014-07-28	Method and apparatus for processing an audio signal, audio decoder, and audio encoder
PCT/EP2015/065219WO2016015950A1 (en)	2014-07-28	2015-07-03	Method and apparatus for precessing an audio signal, audio decoder, and audio encoder

Publications (1)

Publication Number	Publication Date
SG11201700684YAtrue SG11201700684YA (en)	2017-02-27

Family

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Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG11201700684YASG11201700684YA (en)	2014-07-28	2015-07-03	Method and apparatus for processing an audio signal, audio decoder, and audio encoder

Country Status (17)

Country	Link
US (6)	US20170133028A1 (en)
EP (7)	EP2980796A1 (en)
JP (5)	JP6503051B2 (en)
KR (6)	KR102459857B1 (en)
CN (2)	CN113012704B (en)
AR (1)	AR101287A1 (en)
AU (1)	AU2015295709B2 (en)
CA (6)	CA2955674C (en)
ES (5)	ES2994941T3 (en)
MX (1)	MX362737B (en)
MY (1)	MY179016A (en)
PL (5)	PL3175452T3 (en)
PT (3)	PT3654333T (en)
RU (1)	RU2665282C1 (en)
SG (1)	SG11201700684YA (en)
TW (1)	TWI595480B (en)
WO (1)	WO2016015950A1 (en)

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EP2980796A1 (en)*	2014-07-28	2016-02-03	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Method and apparatus for processing an audio signal, audio decoder, and audio encoder

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2015
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EP4030426C0 (en)	2023-08-16
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KR102615475B1 (en)	2023-12-19
EP3175452B1 (en)	2018-07-11
PL3654333T3 (en)	2022-07-04
ES2685984T3 (en)	2018-10-15
EP4235667B1 (en)	2024-09-04
EP4235667A2 (en)	2023-08-30
EP4447048A2 (en)	2024-10-16
CA3193309A1 (en)	2016-02-04
CN106575507A (en)	2017-04-19
AU2015295709B2 (en)	2017-12-21
KR102304326B1 (en)	2021-09-23
AR101287A1 (en)	2016-12-07
PL3175452T3 (en)	2019-01-31
KR20210118224A (en)	2021-09-29
CN113012704B (en)	2024-02-09
KR101997006B1 (en)	2019-07-08
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TW201606754A (en)	2016-02-16
ES2994941T3 (en)	2025-02-04
EP2980796A1 (en)	2016-02-03
KR102748357B1 (en)	2024-12-31
JP7202545B2 (en)	2023-01-12
WO2016015950A1 (en)	2016-02-04
KR102459857B1 (en)	2022-10-27
US20230335147A1 (en)	2023-10-19
MX2017001245A (en)	2017-07-07
KR20190080982A (en)	2019-07-08
AU2015295709A1 (en)	2017-03-16
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PT3407351T (en)	2020-03-31
EP3175452A1 (en)	2017-06-07
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ES2773690T3 (en)	2020-07-14
US12165665B2 (en)	2024-12-10
CA3193302A1 (en)	2016-02-04
CN113012704A (en)	2021-06-22
EP4030426A1 (en)	2022-07-20
EP4235667C0 (en)	2024-09-04
EP3654333A1 (en)	2020-05-20
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JP2017522606A (en)	2017-08-10
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KR20220150992A (en)	2022-11-11
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JP2019164348A (en)	2019-09-26
US20170133028A1 (en)	2017-05-11
PT3654333T (en)	2022-05-19
CN106575507B (en)	2021-02-02
TWI595480B (en)	2017-08-11
EP3407351B1 (en)	2020-01-01
US12014746B2 (en)	2024-06-18
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US20220157328A1 (en)	2022-05-19
KR20250008957A (en)	2025-01-16
BR112017001362A2 (en)	2017-11-21
JP7736866B2 (en)	2025-09-09
EP3654333B1 (en)	2022-03-09
MX362737B (en)	2019-02-06
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CA2955674A1 (en)	2016-02-04
US12033648B2 (en)	2024-07-09
PT3175452T (en)	2018-10-22
JP2023036651A (en)	2023-03-14
JP6864382B2 (en)	2021-04-28
EP4447048A3 (en)	2024-10-23
US20220148609A1 (en)	2022-05-12
JP7509859B2 (en)	2024-07-02
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EP4447048B1 (en)	2025-10-01
RU2665282C1 (en)	2018-08-28

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EP3358368A4 (en)	2019-03-13	Signal processing apparatus, signal processing method, and program
EP3122073A4 (en)	2017-10-18	Audio signal processing method and apparatus
SG11201700684YA (en)	2017-02-27	Method and apparatus for processing an audio signal, audio decoder, and audio encoder
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SG11201700684YA - Method and apparatus for processing an audio signal, audio decoder, and audio encoder - Google Patents

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