PL2285139T3 - Urządzenie i sposób konwersji przestrzennego sygnału audio - Google Patents

Urządzenie i sposób konwersji przestrzennego sygnału audio

Info

Publication number
PL2285139T3
PL2285139T3 PL10167042T PL10167042T PL2285139T3 PL 2285139 T3 PL2285139 T3 PL 2285139T3 PL 10167042 T PL10167042 T PL 10167042T PL 10167042 T PL10167042 T PL 10167042T PL 2285139 T3 PL2285139 T3 PL 2285139T3
Authority
PL
Poland
Prior art keywords
audio signal
spatial audio
converting spatial
converting
signal
Prior art date
Application number
PL10167042T
Other languages
English (en)
Inventor
Svein Berge
Original Assignee
Dts Licensing Limited
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
Priority claimed from EP09163760A external-priority patent/EP2268064A1/en
Application filed by Dts Licensing Limited filed Critical Dts Licensing Limited
Publication of PL2285139T3 publication Critical patent/PL2285139T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • 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
    • H04S2400/11—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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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
    • H04S2420/13—Application of wave-field synthesis in stereophonic audio systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Stereophonic System (AREA)
PL10167042T 2009-06-25 2010-06-23 Urządzenie i sposób konwersji przestrzennego sygnału audio PL2285139T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09163760A EP2268064A1 (en) 2009-06-25 2009-06-25 Device and method for converting spatial audio signal
NO20100031 2010-01-08
EP10167042.0A EP2285139B1 (en) 2009-06-25 2010-06-23 Device and method for converting spatial audio signal

Publications (1)

Publication Number Publication Date
PL2285139T3 true PL2285139T3 (pl) 2020-03-31

Family

ID=43332828

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10167042T PL2285139T3 (pl) 2009-06-25 2010-06-23 Urządzenie i sposób konwersji przestrzennego sygnału audio

Country Status (4)

Country Link
US (1) US8705750B2 (pl)
EP (1) EP2285139B1 (pl)
ES (1) ES2690164T3 (pl)
PL (1) PL2285139T3 (pl)

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US9495968B2 (en) * 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
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US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
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WO2016123572A1 (en) * 2015-01-30 2016-08-04 Dts, Inc. System and method for capturing, encoding, distributing, and decoding immersive audio
EP3272134B1 (en) * 2015-04-17 2020-04-29 Huawei Technologies Co., Ltd. Apparatus and method for driving an array of loudspeakers with drive signals
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US10932078B2 (en) 2015-07-29 2021-02-23 Dolby Laboratories Licensing Corporation System and method for spatial processing of soundfield signals
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CN108476365B (zh) * 2016-01-08 2021-02-05 索尼公司 音频处理装置和方法以及存储介质
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JP2018101452A (ja) * 2016-12-20 2018-06-28 カシオ計算機株式会社 出力制御装置、コンテンツ記憶装置、出力制御方法、コンテンツ記憶方法、プログラム及びデータ構造
US9992602B1 (en) * 2017-01-12 2018-06-05 Google Llc Decoupled binaural rendering
US10332530B2 (en) * 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
US10158963B2 (en) 2017-01-30 2018-12-18 Google Llc Ambisonic audio with non-head tracked stereo based on head position and time
US10009704B1 (en) 2017-01-30 2018-06-26 Google Llc Symmetric spherical harmonic HRTF rendering
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US10893373B2 (en) * 2017-05-09 2021-01-12 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
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Also Published As

Publication number Publication date
EP2285139B1 (en) 2018-08-08
EP2285139A2 (en) 2011-02-16
US20100329466A1 (en) 2010-12-30
EP2285139A3 (en) 2016-10-12
ES2690164T3 (es) 2018-11-19
US8705750B2 (en) 2014-04-22

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