CN107251009B - 用于可变采样速率的数字音频滤波器 - Google Patents

用于可变采样速率的数字音频滤波器 Download PDF

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Publication number
CN107251009B
CN107251009B CN201580060946.XA CN201580060946A CN107251009B CN 107251009 B CN107251009 B CN 107251009B CN 201580060946 A CN201580060946 A CN 201580060946A CN 107251009 B CN107251009 B CN 107251009B
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sampling rate
virtualization
profile
audio
resampling
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CN107251009A (zh
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E·斯特因
M·沃尔什
M·凯利
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DTS BVI Ltd
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DTS BVI Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • 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]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Complex Calculations (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN201580060946.XA 2014-10-03 2015-06-30 用于可变采样速率的数字音频滤波器 Active CN107251009B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/506,187 2014-10-03
US14/506,187 US9560465B2 (en) 2014-10-03 2014-10-03 Digital audio filters for variable sample rates
PCT/US2015/038635 WO2016053432A1 (en) 2014-10-03 2015-06-30 Digital audio filters for variable sample rates

Publications (2)

Publication Number Publication Date
CN107251009A CN107251009A (zh) 2017-10-13
CN107251009B true CN107251009B (zh) 2021-09-03

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US (1) US9560465B2 (enExample)
EP (1) EP3201791A4 (enExample)
JP (1) JP6640204B2 (enExample)
KR (1) KR102502465B1 (enExample)
CN (1) CN107251009B (enExample)
WO (1) WO2016053432A1 (enExample)

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US10938833B2 (en) * 2017-07-21 2021-03-02 Nec Corporation Multi-factor authentication based on room impulse response
ES2954317T3 (es) * 2018-03-28 2023-11-21 Fund Eurecat Técnica de reverberación para audio 3D
FI20185300A1 (fi) 2018-03-29 2019-09-30 Ownsurround Ltd Järjestely päähän liittyvien siirtofunktiosuodattimien muodostamiseksi
WO2019197709A1 (en) 2018-04-10 2019-10-17 Nokia Technologies Oy An apparatus, a method and a computer program for reproducing spatial audio
US11026039B2 (en) 2018-08-13 2021-06-01 Ownsurround Oy Arrangement for distributing head related transfer function filters
US10856097B2 (en) 2018-09-27 2020-12-01 Sony Corporation Generating personalized end user head-related transfer function (HRTV) using panoramic images of ear
CN109801642A (zh) * 2018-12-18 2019-05-24 百度在线网络技术（北京）有限公司 降采样方法及装置
US11617051B2 (en) 2019-01-28 2023-03-28 EmbodyVR, Inc. Streaming binaural audio from a cloud spatial audio processing system to a mobile station for playback on a personal audio delivery device
US11113092B2 (en) * 2019-02-08 2021-09-07 Sony Corporation Global HRTF repository
US11451907B2 (en) 2019-05-29 2022-09-20 Sony Corporation Techniques combining plural head-related transfer function (HRTF) spheres to place audio objects
US11347832B2 (en) 2019-06-13 2022-05-31 Sony Corporation Head related transfer function (HRTF) as biometric authentication
US11076257B1 (en) 2019-06-14 2021-07-27 EmbodyVR, Inc. Converting ambisonic audio to binaural audio
US11146908B2 (en) 2019-10-24 2021-10-12 Sony Corporation Generating personalized end user head-related transfer function (HRTF) from generic HRTF
US11070930B2 (en) 2019-11-12 2021-07-20 Sony Corporation Generating personalized end user room-related transfer function (RRTF)
CN114546029B (zh) * 2019-12-30 2022-12-02 珠海极海半导体有限公司 控制芯片、mcu芯片、mpu芯片及dsp芯片
CN111596885B (zh) * 2020-07-23 2020-11-17 腾讯科技（深圳）有限公司 音频数据处理方法、服务器及存储介质
CN117040487B (zh) * 2023-10-08 2024-01-02 武汉海微科技有限公司 音频信号处理的滤波方法、装置、设备及存储介质

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Also Published As

Publication number Publication date
US9560465B2 (en) 2017-01-31
EP3201791A1 (en) 2017-08-09
JP6640204B2 (ja) 2020-02-05
JP2018501678A (ja) 2018-01-18
CN107251009A (zh) 2017-10-13
EP3201791A4 (en) 2018-06-06
US20160100268A1 (en) 2016-04-07
KR20170063896A (ko) 2017-06-08
KR102502465B1 (ko) 2023-02-21
WO2016053432A1 (en) 2016-04-07

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