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SG11201806216YA - Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters - Google Patents

Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters

Info

Publication number
SG11201806216YA
SG11201806216YA SG11201806216YA SG11201806216YA SG11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA
Authority
SG
Singapore
Prior art keywords
signal
parameter
encoded
narrowband
broadband
Prior art date
Application number
SG11201806216YA
Inventor
Stefan Bayer
Eleni Fotopoulou
Markus Multrus
Guillaume Fuchs
Emmanuel Ravelli
Markus Schnell
Stefan Döhla
Wolfgang Jägers
Martin Dietz
Goran Markovic
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of SG11201806216YA publication Critical patent/SG11201806216YA/en

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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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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
    • 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
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Control Of Eletrric Generators (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization MD 1111101110101011111 HO 11111011101110111101110111011110 EDO IIE III International Bureau ... .... ..Yjd ..... .yor::,„. (10) International Publication Number (43) International Publication Date WO 2017/125558 Al 27 July 2017 (27.07.2017) WIPO I PCT (51) International Patent Classification: 90409 Niimberg (DE). DOHLA, Stefan; Saidelsteig 61, G10L 19/008 (2013.01) 91058 Erlangen (DE). JAGERS, Wolfgang; Kulmbacher Str. 47, 91056 Erlangen (DE). DIETZ, Martin; Deutsch- (21) International Application Number: PCT/EP2017/051205 herrnstr. 37, 90429 Nurnberg (DE). MARKOVIC, Goran; Aachener Str. 19, 90425 Niimberg (DE). (22) International Filing Date: (74) Agents: ZINKLER, Franz et al.; c/o Schoppe, Zimmer- 20 January 2017 (20.01.2017) maim, Stockeler, Zinkler, Schenk & Partner mbB, (25) Filing Language: English Radlkoferstr. 2, 81373 Miinchen (DE). (26) Publication Language: English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (30) Priority Data: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, 16152453.3 22 January 2016 (22.01.2016) EP BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 16152450.9 22 January 2016 (22.01.2016) EP DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (71) Applicant: FRAUNHOFER-GESELLSCHAFT ZUR HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, FORDERUNG DER ANGEWANDTEN FORSCHUNG KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, E.V. [DE/DE]; HansastraBe 27c, 80686 Miinchen (DE). MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, (72) Inventors: BAYER, Stefan; Dortmunder Str. 14, 90425 RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, Niimberg (DE). FOTOPOULOU, Eleni; Berckhauserstr. TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, 33, 90409 Niimberg (DE). MULTRUS, Markus; Etzlaub- ZA, ZM, ZW. weg 7, 90469 Niirnberg (DE). FUCHS, Guillaume; = (84) Designated States (unless otherwise indicated, for every — Joseph-Otto-Kolb-Str. 31, 91088 Bubenreuth (DE). RAV- ELLI, Emmanuel; Gerhart-Hauptmann-Str. 1, 91058 Er- kind of regional protection available): ARIPO (BW, GH, = — langen (DE). SCHNELL, Markus; Labenwolfstr. 15, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, — [Continued on next page] (54) Title: APPARATUS = BROADBAND ALIGNMENT — = 10 100 AND METHOD FOR ENCODING OR DECODING A MULTI-CHANNEL SIGNAL USING A PARAMETER AND A PLURALITY OF NARROWBAND ALIGNMENT PARAMETERS (57) : The apparatus for encoding a multi-channel signal having at multi-channel least two channels, comprises: a parameter determiner (100) for determining signal a broadband alignment parameter and a plurality of narrowband alignment = parameters from the multichannel signal; a signal aligner (200) for aligning the at least two channels using the broadband alignment parameter and the — parameter determiner 15 ? plurality of narrowband alignment parameters to obtain aligned channels; a signal processor (300) for calculating a mid-signal and a side signal using = broadband a. p. plurality of narrowband a. p the aligned channels; a signal encoder (400) for encoding the mid-signal to --- 14 obtain an encoded mid-signal and for encoding the side signal to obtain an encoded side signal; and an output interface (500) for generating an encoded = Y 4 y multi-channel signal comprising the encoded mid-signal, the encoded side = = — 12 signal aligner -------200 • broadband a. p. signal, information on the broadband alignment parameter and information • plurality of narrowband a. p on the plurality of narrowband alignment parameters. 20 aligned channels • level parameter = signal processor -- ----300 Il mid signal 31 -- ---- side signal ----32 41 encoded v 500 ? GC ir) level parameter -). signal encoder mid signal encoded ou put encoded signal ir) 400 ------- side signal interface ? 0- N Il ---.... IN 1-1 0 N 43-1 L stereo Fig. filling parameter 1 * 42 t 50 O WO 2017/125558 Al MIDEDIM011111 11111111MEDE1111111111111111111111111111110111111111111 TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, Published: TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, DE, LT, SE, GA, with international search 21(3)) report (Art. GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
SG11201806216YA 2016-01-22 2017-01-20 Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters SG11201806216YA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16152450 2016-01-22
EP16152453 2016-01-22
PCT/EP2017/051205 WO2017125558A1 (en) 2016-01-22 2017-01-20 Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters

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SG11201806216YA true SG11201806216YA (en) 2018-08-30

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SG11201806216YA SG11201806216YA (en) 2016-01-22 2017-01-20 Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters
SG11201806246UA SG11201806246UA (en) 2016-01-22 2017-01-20 Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization
SG11201806241QA SG11201806241QA (en) 2016-01-22 2017-01-20 Apparatus and method for estimating an inter-channel time difference

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SG11201806241QA SG11201806241QA (en) 2016-01-22 2017-01-20 Apparatus and method for estimating an inter-channel time difference

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US (7) US10535356B2 (en)
EP (5) EP3284087B1 (en)
JP (10) JP6730438B2 (en)
KR (4) KR102219752B1 (en)
CN (6) CN108780649B (en)
AU (5) AU2017208580B2 (en)
CA (4) CA3011915C (en)
ES (5) ES2727462T3 (en)
HK (1) HK1244584B (en)
MX (4) MX375301B (en)
MY (4) MY181992A (en)
PL (4) PL3503097T3 (en)
PT (3) PT3405951T (en)
RU (4) RU2704733C1 (en)
SG (3) SG11201806216YA (en)
TR (1) TR201906475T4 (en)
TW (4) TWI643487B (en)
WO (4) WO2017125562A1 (en)
ZA (3) ZA201804625B (en)

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