JP6726169B2 - 頭部オーディオ伝達関数を生成するためのシステム及び装置 - Google Patents
頭部オーディオ伝達関数を生成するためのシステム及び装置 Download PDFInfo
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- JP6726169B2 JP6726169B2 JP2017506873A JP2017506873A JP6726169B2 JP 6726169 B2 JP6726169 B2 JP 6726169B2 JP 2017506873 A JP2017506873 A JP 2017506873A JP 2017506873 A JP2017506873 A JP 2017506873A JP 6726169 B2 JP6726169 B2 JP 6726169B2
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- 238000012546 transfer Methods 0.000 title claims description 21
- 241000746998 Tragus Species 0.000 claims description 26
- 210000000613 ear canal Anatomy 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 24
- 210000003128 head Anatomy 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 4
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- 230000006870 function Effects 0.000 description 15
- 239000003570 air Substances 0.000 description 9
- 210000005069 ears Anatomy 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 206010011878 Deafness Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000000883 ear external Anatomy 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 208000016354 hearing loss disease Diseases 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 231100000895 deafness Toxicity 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 210000003454 tympanic membrane Anatomy 0.000 description 1
Images
Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1075—Mountings of transducers in earphones or headphones
-
- 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
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
-
- 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
- H04R5/033—Headphones for stereophonic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- 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
- 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]
Description
Claims (20)
- ユーザのための頭部オーディオ伝達関数を生成する装置において、
前記装置の外部に少なくとも部分的に配置されている外部マニホールドであって、
前記外部マニホールドの外部に沿って配置された、外部環境と気流連通する開口、
前記開口を部分的に囲むように配置された耳珠構造、
前記耳珠構造及び前記開口を部分的に囲むように配置された対耳輪構造、及び
前記開口と気流連通する開口カナル
を含む、外部マニホールドと、
前記装置の内部に沿って配置されている内部マニホールドであって、
前記開口カナルと気流連通する耳道、及び
前記耳道の末端に取り付けられた、マイクロフォンを備えたマイクロフォン筐体
を含む、内部マニホールドと
を備え、
前記ユーザの耳の外側に配置して使用され、前記マイクロフォンで入力された入力音に基づいて前記頭部オーディオ伝達関数をリアルタイムで生成する装置。 - 前記対耳輪構造が、閉鎖側及び開放側を有するセミドーム型構造を有することを特徴とする、請求項1に記載の装置。
- 前記対耳輪構造の前記開放側が、前記耳珠構造の前記開放側に対し直接向き合う関係にあることを特徴とする、請求項2に記載の装置。
- 前記対耳輪構造の前記開放側が、前記ユーザの所望の聴取方向に面していることを特徴とする、請求項2に記載の装置。
- 前記耳珠構造が、閉鎖側及び開放側を有するセミドーム型構造を有することを特徴とする、請求項2に記載の装置。
- 前記耳珠構造の前記開放側が、前記ユーザの所望の聴取方向とは反対の方向に面していることを特徴とする、請求項5に記載の装置。
- 前記開口カナルが、前記ユーザの所望の聴取方向に対して実質的に垂直な方向に配置されていることを特徴とする、請求項1に記載の装置。
- 前記耳道が、前記ユーザの所望の聴取方向に対して実質的に平行な方向に配置されていることを特徴とする、請求項7に記載の装置。
- 前記耳道が、その半径の少なくとも2倍の長さを有することを特徴とする、請求項1に記載の装置。
- 前記マイクロフォンが、前記マイクロフォン筐体内の前記耳道の末端に密着させて取り付けられていることを特徴とする、請求項1に記載の装置。
- 前記マイクロフォン筐体がさらに、前記マイクロフォンの後方にエアキャビティを有していることを特徴とする、請求項10に記載の装置。
- ユーザのための頭部オーディオ伝達関数を生成するためのシステムであって、
前記ユーザの左耳の左側に、音響信号を拾い上げるように構造化及び配置された左HRTFジェネレータ、
前記ユーザの右耳の右側に、音響信号を拾い上げるように構造化及び配置された右HRTFジェネレータ、
前記ユーザに位置的なオーディオデータを伝えるために、前記左右のHRTFジェネレータの各々からの前記音響信号を処理するように構造化及び構成されたオーディオ処理装置、
前記ユーザの左耳に前記位置的なオーディオデータを伝えるように構造化及び構成された左再生モジュール、及び
前記ユーザの右耳に前記位置的なオーディオデータを伝えるように構造化及び構成された右再生モジュール
を備え、前記拾い上げられた音響信号に基づいて前記頭部オーディオ伝達関数をリアルタイムで生成する、システム。 - 前記左右のHRTFジェネレータの各々が、請求項1に記載の装置を備えていることを特徴とする、請求項12に記載のシステム。
- 前記左HRTFジェネレータの前記音響信号を増強するように構造化された左プリアンプをさらに備えることを特徴とする、請求項12に記載のシステム。
- 前記右HRTFジェネレータの前記音響信号を増強するように構造化された右プリアンプをさらに備えることを特徴とする、請求項14に記載のシステム。
- 前記オーディオ処理装置が、前記左右のHRTFジェネレータの各々から受け取った入力音量を調整するための音量制御をさらに備えることを特徴とする、請求項12に記載のシステム。
- 前記オーディオ処理装置が、前記オーディオ処理装置からの出力量を調整するためのポストアンプをさらに備えることを特徴とする、請求項12に記載のシステム。
- ユーザのための頭部オーディオ伝達関数を生成する方法であって、
外部音をHRTFジェネレータの外部に沿って形成された耳珠構造及び対耳輪構造に少なくとも通してフィルタリングして、フィルタリングされた音を生成する工程、
前記フィルタリングされた音を前記HRTFジェネレータの内部に沿った開口及び耳道に通して、入力音を生成する工程、
前記入力音を前記HRTFジェネレータ内に埋め込まれたマイクロフォンで受信して、入力信号を生成する工程、
前記入力信号をプリアンプで増幅して、増幅した信号を生成する工程、
前記増幅した信号をオーディオ処理装置で処理して、処理済み信号を生成する工程、及び
前記処理済み信号を再生モジュールに送信する工程、
を含み、
前記HRTFジェネレータはユーザの耳の外側に配置して使用され、前記入力音に基づいて前記頭部オーディオ伝達関数をリアルタイムで生成する、方法。 - 前記耳珠構造を再位置決めすることにより、前記HRTFジェネレータを較正する工程をさらに含むことを特徴とする、請求項18に記載の方法。
- 前記対耳輪構造を再位置決めすることにより、前記HRTFジェネレータを較正する工程をさらに含むことを特徴とする、請求項19に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462035025P | 2014-08-08 | 2014-08-08 | |
US62/035,025 | 2014-08-08 | ||
US14/485,145 US9615189B2 (en) | 2014-08-08 | 2014-09-12 | Artificial ear apparatus and associated methods for generating a head related audio transfer function |
US14/485,145 | 2014-09-12 | ||
PCT/US2015/043158 WO2016022422A1 (en) | 2014-08-08 | 2015-07-31 | System and apparatus for generating a head related audio transfer function |
Publications (2)
Publication Number | Publication Date |
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JP2017528972A JP2017528972A (ja) | 2017-09-28 |
JP6726169B2 true JP6726169B2 (ja) | 2020-07-22 |
Family
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JP2017506873A Expired - Fee Related JP6726169B2 (ja) | 2014-08-08 | 2015-07-31 | 頭部オーディオ伝達関数を生成するためのシステム及び装置 |
Country Status (7)
Country | Link |
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US (2) | US9615189B2 (ja) |
EP (1) | EP3178239A4 (ja) |
JP (1) | JP6726169B2 (ja) |
KR (1) | KR20170041751A (ja) |
CN (1) | CN106664498B (ja) |
RU (1) | RU2698778C2 (ja) |
WO (1) | WO2016022422A1 (ja) |
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2014
- 2014-09-12 US US14/485,145 patent/US9615189B2/en active Active
-
2015
- 2015-07-31 KR KR1020177004429A patent/KR20170041751A/ko not_active Application Discontinuation
- 2015-07-31 RU RU2017104360A patent/RU2698778C2/ru active
- 2015-07-31 CN CN201580042484.9A patent/CN106664498B/zh active Active
- 2015-07-31 WO PCT/US2015/043158 patent/WO2016022422A1/en active Application Filing
- 2015-07-31 JP JP2017506873A patent/JP6726169B2/ja not_active Expired - Fee Related
- 2015-07-31 EP EP15829017.1A patent/EP3178239A4/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US11284854B2 (en) | 2014-04-16 | 2022-03-29 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
Also Published As
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JP2017528972A (ja) | 2017-09-28 |
KR20170041751A (ko) | 2017-04-17 |
EP3178239A4 (en) | 2018-03-28 |
RU2017104360A3 (ja) | 2019-03-21 |
US20170272887A1 (en) | 2017-09-21 |
CN106664498A (zh) | 2017-05-10 |
CN106664498B (zh) | 2019-02-22 |
US9615189B2 (en) | 2017-04-04 |
RU2017104360A (ru) | 2018-09-10 |
RU2698778C2 (ru) | 2019-08-29 |
US20160044436A1 (en) | 2016-02-11 |
EP3178239A1 (en) | 2017-06-14 |
WO2016022422A1 (en) | 2016-02-11 |
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