SG11201806246UA - Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization - Google Patents
Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronizationInfo
- Publication number
- SG11201806246UA SG11201806246UA SG11201806246UA SG11201806246UA SG11201806246UA SG 11201806246U A SG11201806246U A SG 11201806246UA SG 11201806246U A SG11201806246U A SG 11201806246UA SG 11201806246U A SG11201806246U A SG 11201806246UA SG 11201806246U A SG11201806246U A SG 11201806246UA
- Authority
- SG
- Singapore
- Prior art keywords
- spectral
- blocks
- channel
- frame control
- converter
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000005070 sampling Methods 0.000 abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 3
- 230000001360 synchronised effect Effects 0.000 abstract 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 abstract 1
- 238000012952 Resampling Methods 0.000 abstract 1
- 241000282485 Vulpes vulpes Species 0.000 abstract 1
- 230000008520 organization Effects 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
- G10L19/008—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
- 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
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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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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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
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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
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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
- 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)
- Control Of Eletrric Generators (AREA)
- Emergency Protection Circuit Devices (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Radar Systems Or Details Thereof (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Stereo-Broadcasting Methods (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
1002 1023 - --4 1023 1020 1 S channel (e. g. L) ► g od channel (e. g. R) ► 1022—j ,- -- --- 1 1022 1000 1 1010 1\" segment i,. ? I 2 of blocks time-spectral 2' d segment multi-channel converter of blocks processor result sequence (e. g. M) 1021 1021 op ional (e. g. S ) 1025 resampled sequence (mid signal ) 1030 sp ctral-domain resampler optional (side-signal ) spectral-time converter alternatively: resampling before multi- channel processing 1031-- -1032 optional side-signal 1026 1022 mid-signal W O 20 17 / 1255 6 2 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/125562 Al 27 July 2017 (27.07.2017) WIPO I PCT 11111111111111011101111111111101011111011101110111111111111111111011111111111110111111 core encoder (51) International Patent Classification: G10L 19/022 (2013.01) G10L 19/008 (2013.01) (21) International Application Number: PCT/EP2017/051212 (22) International Filing Date: 20 January 2017 (20.01.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16152450.9 22 January 2016 (22.01.2016) EP 16152453.3 22 January 2016 (22.01.2016) EP (71) Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V. [DE/DE]; HansastraBe 27c, 80686 Miinchen (DE). (72) Inventors: FUCHS, Guillaume; Joseph-Otto-Kolb-Str. 31, 91088 Bubenreuth (DE). RAVELLI, Emmanuel; Ger- hart-Hauptmann-Str. 1, 91058 Erlangen (DE). MUL- TRUS, Markus; Etzlaubweg 7, 90469 Niirnberg (DE). SCHNELL, Markus; Labenwolfstr. 15, 90409 Niirnberg (DE). DOHLA, Stefan; Saidelsteig 61, 91058 Erlangen (DE). DIETZ, Martin; Deutschherrnstr. 37, 90429 Niirn- berg (DE). MARKOVIC, Goran; Aachener Str. 19, 90425 Niirnberg (DE). FOTOPOULOU, Eleni; Berckhauserstr. 33, 90409 Niirnberg (DE). BAYER, Stefan; Dortmunder Str. 14, 90425 Niirnberg (DE). JAGERS, Wolfgang; Kul- mbacher Str. 47, 91056 Erlangen (DE). (74) Agents: ZINKLER, Franz et al.; Schoppe, Zimmermann, Stockeler, Zinkler, Schenk & Partner mbB, Radlkoferstr.2, 81373 Miinchen (DE). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. [Continued on next page] (54) Title: APPARATUSES AND METHODS FOR ENCODING OR DECODING A MULTI-CHANNEL AUDIO SIGNAL US- ING FRAME CONTROL SYNCHRONIZATION 1040-- 2' d frame control is synchronized to 1' frame control Fig. 1 (57) : Encoding a multi-channel audio signal using a time-spectral converter for converting sequences of blocks of sampling values into sequences of blocks of spectral values; a multi-channel processor for applying a joint multi-channel processing to blocks of spectral values to obtain at least one result sequence of blocks; a spectral-time converter for converting the result se- quence of blocks of spectral values into a time domain representation comprising an output sequence of blocks of sampling values; and a core encoder for encoding the output sequence of blocks of sampling values to obtain an encoded multi-channel signal, wherein the core encoder operates with a first frame control, and wherein the time-spectral converter or the spectral-time converter operate with a second frame control being synchronized to the first frame control, wherein the start or end frame border is in a prede - termined relation to a start or end instant of an overlapping portion of a window used by the time-spectral converter. WO 2017/125562 All#111011101110101g010130HOHM0IM0IS (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 21(3))
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16152453 | 2016-01-22 | ||
EP16152450 | 2016-01-22 | ||
PCT/EP2017/051212 WO2017125562A1 (en) | 2016-01-22 | 2017-01-20 | Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization |
Publications (1)
Publication Number | Publication Date |
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SG11201806246UA true SG11201806246UA (en) | 2018-08-30 |
Family
ID=57838406
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
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 |
SG11201806241QA SG11201806241QA (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for estimating an inter-channel time difference |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
SG11201806241QA SG11201806241QA (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for estimating an inter-channel time difference |
Country Status (20)
Country | Link |
---|---|
US (7) | US10535356B2 (en) |
EP (5) | EP3284087B1 (en) |
JP (10) | JP6412292B2 (en) |
KR (4) | KR102343973B1 (en) |
CN (6) | CN117238300A (en) |
AU (5) | AU2017208575B2 (en) |
BR (4) | BR112018014799A2 (en) |
CA (4) | CA2987808C (en) |
ES (4) | ES2727462T3 (en) |
HK (1) | HK1244584B (en) |
MX (4) | MX371224B (en) |
MY (4) | MY181992A (en) |
PL (4) | PL3284087T3 (en) |
PT (3) | PT3284087T (en) |
RU (4) | RU2693648C2 (en) |
SG (3) | SG11201806246UA (en) |
TR (1) | TR201906475T4 (en) |
TW (4) | TWI629681B (en) |
WO (4) | WO2017125562A1 (en) |
ZA (3) | ZA201804625B (en) |
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