JP2023513170A - 音響フィルターを用いた音声変換のための装置 - Google Patents
音響フィルターを用いた音声変換のための装置 Download PDFInfo
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- JP2023513170A JP2023513170A JP2022547827A JP2022547827A JP2023513170A JP 2023513170 A JP2023513170 A JP 2023513170A JP 2022547827 A JP2022547827 A JP 2022547827A JP 2022547827 A JP2022547827 A JP 2022547827A JP 2023513170 A JP2023513170 A JP 2023513170A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 13
- 230000004044 response Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/04—Acoustic filters ; Acoustic resonators
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
-
- 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
-
- 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
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/48—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using constructional means for obtaining a desired frequency response
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Headphones And Earphones (AREA)
Abstract
Description
[1] US 7,634,099 B2
[2] US 4,239, 945 A
[3] US 5,729,605 A
Claims (16)
- 音声変換のための装置(100)であって、
前記装置(100)が、音声チャネル(102)と、前記音声チャネル(102)に結合された音声変換器(104)とを備え、
前記装置(100)が、前記音声チャネル(102)内に配置された音響ローパスフィルタ(106)を備え、
前記音響ローパスフィルタ(106)は、前記音響ローパスフィルタ(106)が占める前記音声チャネル(102)の体積(110)を、第1の部分体積(112_1)と少なくとも1つの第2の部分体積(112_2)とに分割し、
前記第1の部分体積(112_1)と前記少なくとも1つの第2の部分体積(112_2)とが、少なくとも1つのスリット(114)を介して結合され、
前記少なくとも1つのスリット(114)は、前記音声チャネル(102)に向かって拡大する、装置(100)。 - 前記装置(100)は、前記音声変換器(104)と前記アクースティックローパスフィルタとの間において前記音声チャネル(102)内に配置されたマイクロ穿孔プレート(108)を備える、請求項1に記載の装置(100)。
- 前記少なくとも1つの第2の部分体積(112_2)は、専ら前記第1の部分体積(112_1)を介して前記音声変換器(104)に結合される、請求項1又は2に記載の装置(100)。
- 前記第1の部分体積(112_1)は、前記少なくとも1つの第2の部分体積(112_2)によって同心円状に取り囲まれている、請求項1乃至3のいずれかに記載の装置(100)。
- 前記第1の部分体積(112_1)が内部部分体積であり、
前記少なくとも1つの第2の部分体積(112_2)が、少なくとも1つの外部部分体積である、請求項1乃至4のいずれかに記載の装置(100)。 - 前記内部部分体積(112_1)と前記少なくとも1つの外部部分体積(112_2)とが複数のスリット(114)を介して結合され、
前記複数のスリット(114)は、前記音声チャネル(102)の回転軸に対して対称に配置されている、請求項5に記載の装置(100)。 - 前記マイクロ穿孔プレート(108)は、前記音声変換器(104)に同調される、請求項2乃至6のいずれかに記載の装置(100)。
- 前記マイクロ穿孔プレート(108)は、音響高音域/中音域を減衰させるように構成される、請求項2乃至7のいずれかに記載の装置(100)。
- 前記マイクロ穿孔プレート(108)は、音声エネルギーを目標周波数範囲にシフトするように構成される、請求項2乃至8のいずれかに記載の装置(100)。
- 前記音声チャネル(102)は回転対称である、請求項1乃至9のいずれかに記載の装置(100)。
- 前記音声チャネル(102)は、前記音声変換器(104)の第1の側に結合された第1の音声チャネル(102)であり、
前記装置(100)は、前記音声変換器(104)の前記第1の側とは反対側の第2の側に結合された第2の音声チャネル(118)を備える、請求項1乃至10のいずれかに記載の装置(100)。 - 前記第2の音声チャネル(118)は円筒形である、請求項11に記載の装置(100)。
- 前記音声変換器(104)は、ラウドスピーカーまたはマイクロフォンである、請求項1乃至12のいずれかに記載の装置(100)。
- 前記装置(100)は、聴覚カナルフォン、スマートヘッドフォン/イヤフォン、補聴器、ラウドスピーカー、またはマイクロフォンである、請求項1乃至13のいずれかに記載の装置(100)。
- 前記音声変換器はMEMS音声変換器である、請求項1乃至14のいずれかに記載の装置(100)。
- 音声変換器(104)の音響インピーダンスを調整するための装置(106)であって、
前記音響インピーダンスを調整するための前記装置(106)が、前記音響インピーダンスを調整するための前記装置(106)が占める体積(110)を第1の部分体積(112_1)と少なくとも1つの第2の部分体積(112_2)に分割するように構成され、
前記第1の部分体積(112_1)と前記少なくとも1つの第2の部分体積(112_2)は少なくとも1つのスリット(114)を介して結合されて、前記音響インピーダンスを調整するための前記装置(106)がローパス特性を含むようになっていて、
前記少なくとも1つのスリット(114)は、前記音声チャネル(102)に向かって拡大する、装置(106)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020201533.3A DE102020201533A1 (de) | 2020-02-07 | 2020-02-07 | Vorrichtung zur schallwandlung mit einem akustischen filter |
DE102020201533.3 | 2020-02-07 | ||
PCT/EP2021/052648 WO2021156357A1 (de) | 2020-02-07 | 2021-02-04 | Vorrichtung zur schallwandlung mit einem akustischen filter |
Publications (2)
Publication Number | Publication Date |
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JP2023513170A true JP2023513170A (ja) | 2023-03-30 |
JP7544829B2 JP7544829B2 (ja) | 2024-09-03 |
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JP2022547827A Active JP7544829B2 (ja) | 2020-02-07 | 2021-02-04 | 音響フィルターを用いた音声変換のための装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220377454A1 (ja) |
EP (1) | EP4101179A1 (ja) |
JP (1) | JP7544829B2 (ja) |
KR (1) | KR20220140767A (ja) |
DE (1) | DE102020201533A1 (ja) |
WO (1) | WO2021156357A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11640816B1 (en) * | 2022-02-23 | 2023-05-02 | Acoustic Metamaterials LLC | Metamaterial acoustic impedance matching device for headphone-type devices |
Citations (2)
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JP2001003322A (ja) * | 1999-04-22 | 2001-01-09 | Arumu:Kk | 吸音構造体 |
JP2019024178A (ja) * | 2017-07-25 | 2019-02-14 | Ttr株式会社 | 密閉型イヤホン |
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2020
- 2020-02-07 DE DE102020201533.3A patent/DE102020201533A1/de active Pending
-
2021
- 2021-02-04 WO PCT/EP2021/052648 patent/WO2021156357A1/de active Search and Examination
- 2021-02-04 KR KR1020227030504A patent/KR20220140767A/ko active IP Right Grant
- 2021-02-04 JP JP2022547827A patent/JP7544829B2/ja active Active
- 2021-02-04 EP EP21703669.8A patent/EP4101179A1/de active Pending
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2022
- 2022-08-04 US US17/880,910 patent/US20220377454A1/en active Pending
Patent Citations (2)
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JP2001003322A (ja) * | 1999-04-22 | 2001-01-09 | Arumu:Kk | 吸音構造体 |
JP2019024178A (ja) * | 2017-07-25 | 2019-02-14 | Ttr株式会社 | 密閉型イヤホン |
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JP7544829B2 (ja) | 2024-09-03 |
KR20220140767A (ko) | 2022-10-18 |
US20220377454A1 (en) | 2022-11-24 |
DE102020201533A1 (de) | 2021-08-12 |
WO2021156357A1 (de) | 2021-08-12 |
EP4101179A1 (de) | 2022-12-14 |
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