SG11202000287RA - Concept for generating an enhanced sound-field description or a modified sound field description using a depth-extended dirac technique or other techniques - Google Patents

Concept for generating an enhanced sound-field description or a modified sound field description using a depth-extended dirac technique or other techniques

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Publication number
SG11202000287RA
SG11202000287RA SG11202000287RA SG11202000287RA SG11202000287RA SG 11202000287R A SG11202000287R A SG 11202000287RA SG 11202000287R A SG11202000287R A SG 11202000287RA SG 11202000287R A SG11202000287R A SG 11202000287RA SG 11202000287R A SG11202000287R A SG 11202000287RA
Authority
SG
Singapore
Prior art keywords
sound field
field description
generating
international
meta data
Prior art date
Application number
SG11202000287RA
Inventor
Jürgen Herre
Emanuel Habets
Axel Plinge
Oliver Thiergart
Fabian Küch
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 SG11202000287RA publication Critical patent/SG11202000287RA/en

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • 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
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012—Head tracking input arrangements
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • 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
    • 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
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • H04S7/304—For headphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • 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 
    • 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
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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

Abstract

International Patent Classification: G10L 19/008 (2013.01) G06F 3/01 (2006.01) H04S 7/00 (2006.01) GlOL 21/0272 (2013.01) (21) International Application Number: PCT/EP2018/069147 (22) International Filing Date: (25) Filing Language: (26) Publication Language: (30) Priority Data: 17181481.7 14 July 2017 (14.07.2017) EP (71) Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V. [DE/DE]; HansastraBe 27c, 80686 Miinchen (DE). FRIEDRICH-ALEXANDER-UNIVERSITAET 13 July 2018 (13.07.2018) English English ERLANGEN-NUERNBERG [DE/DE]; Schlossplatz 4, 91054 Erlangen (DE). (72) Inventors: HERRE, Jurgen; Rathsberger Str. 10a, 91054 Erlangen (DE). HABETS, Emanuel; SchwedenstraBe 13, 91080 Spardorf (DE). (74) Agent: 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, JO, 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, (54) Title: CONCEPT FOR GENERATING AN ENHANCED SOUND-FIELD DESCRIPTION OR A MODIFIED SOUND FIELD DESCRIPTION USING A DEPTH-EXTENDED DIRAC TECHNIQUE OR OTHER TECHNIQUES 200 w 210 DiFF real or sound field (DirAC) 1.• x y DoA virtual microphone z analyzer/ downmixer 120 110 downmix mono/ stereo DoA DiFF • meta data generator combiner (output interface) ► depth map if diff > thresh. then distance = N.A. or distance= predet. value (such as HIGH, INF., ...) enhanced sound field description Fig. 2 (57) : An apparatus for generating an enhanced sound field description comprises: a sound field generator (100) for generating at least one sound field description indicating a sound field with respect to at least one reference location; and a meta data generator (110) for generating meta data relating to spatial information of the sound field, wherein the at least one sound field description and the meta data constitute the enhanced sound field description. The meta data can be a depth map associating a distance information to a direction in a full band or a subband, i.e., a time frequency bin. (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) vitivio VIII 00 los Oil OH om nava Hs (19) World Intellectual Property Organization International Bureau (10) International Publication Number WO 2019/012135 Al (43) International Publication Date 17 January 2019 (17.01.2019) WIPO I PCT [Continued on next page] WO 2019/012135 Al MIDEDIMOMOIDEIROMOIONEEHOHOMMODEVOIMIE 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. (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))
SG11202000287RA 2017-07-14 2018-07-13 Concept for generating an enhanced sound-field description or a modified sound field description using a depth-extended dirac technique or other techniques SG11202000287RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17181481 2017-07-14
PCT/EP2018/069147 WO2019012135A1 (en) 2017-07-14 2018-07-13 Concept for generating an enhanced sound-field description or a modified sound field description using a depth-extended dirac technique or other techniques

Publications (1)

Publication Number Publication Date
SG11202000287RA true SG11202000287RA (en) 2020-02-27

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Country Status (14)

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US (1) US11477594B2 (en)
EP (1) EP3652737A1 (en)
JP (1) JP7122793B2 (en)
KR (2) KR102448736B1 (en)
CN (1) CN111108555B (en)
AR (1) AR112556A1 (en)
AU (2) AU2018298878A1 (en)
BR (1) BR112020000779A2 (en)
CA (1) CA3069772C (en)
RU (1) RU2736274C1 (en)
SG (1) SG11202000287RA (en)
TW (1) TWI684978B (en)
WO (1) WO2019012135A1 (en)
ZA (1) ZA202000169B (en)

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BR112020000779A2 (en) 2020-07-14
US11477594B2 (en) 2022-10-18
EP3652737A1 (en) 2020-05-20
KR20220044393A (en) 2022-04-07
AU2018298878A1 (en) 2020-01-30
KR102568365B1 (en) 2023-08-18
RU2736274C1 (en) 2020-11-13
TWI684978B (en) 2020-02-11
AR112556A1 (en) 2019-11-13
CA3069772C (en) 2024-01-02
AU2021218089A1 (en) 2021-09-09
US20200154229A1 (en) 2020-05-14
JP7122793B2 (en) 2022-08-22
KR102448736B1 (en) 2022-09-30
CA3069772A1 (en) 2019-01-17
WO2019012135A1 (en) 2019-01-17
ZA202000169B (en) 2022-07-27
KR20200041307A (en) 2020-04-21
TW201919043A (en) 2019-05-16
JP2020527887A (en) 2020-09-10
CN111108555B (en) 2023-12-15
CN111108555A (en) 2020-05-05

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