EP2039217B1 - Procédés de génération de signaux audibles dans des appareils auditifs - Google Patents
Procédés de génération de signaux audibles dans des appareils auditifs Download PDFInfo
- Publication number
- EP2039217B1 EP2039217B1 EP06792496A EP06792496A EP2039217B1 EP 2039217 B1 EP2039217 B1 EP 2039217B1 EP 06792496 A EP06792496 A EP 06792496A EP 06792496 A EP06792496 A EP 06792496A EP 2039217 B1 EP2039217 B1 EP 2039217B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ear
- signal
- input
- output
- lateral
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000012545 processing Methods 0.000 claims description 78
- 230000006870 function Effects 0.000 claims description 43
- 230000003595 spectral effect Effects 0.000 claims description 35
- 230000003447 ipsilateral effect Effects 0.000 claims description 28
- 230000001419 dependent effect Effects 0.000 claims description 18
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 238000005562 fading Methods 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 210000003128 head Anatomy 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000004807 localization Effects 0.000 description 7
- 230000008447 perception Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 208000032041 Hearing impaired Diseases 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
-
- 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
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/552—Binaural
Definitions
- the natural beam-forming characteristics of the HRTF at frequencies of 500 Hz, 1 kHz, 2 kHz, 4 kHz. It might be seen that at 2 kHz and above the HRTF provides for a natural beam-forming which is very similar to that of a cardioid-type microphone.
- the head shadow of the individual provides for an increased amplification on the ipsi-lateral side by about 5 dB compared with the amplification towards the contra-lateral side. Therefore and with an eye on fig. 2 , the HRTF provides for sufficient beam-forming at the ipsi-lateral hearing device, so that no additional technical beam-forming is necessitated at the "primariy", the ipsi-lateral input converter arrangement.
- Acoustical sources which are to be perceived in the area F 1 are especially sources as occurring in telephone applications.
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Claims (10)
- Procédé pour la manufacture d'un signal audible, destiné à être perçu par un individu, en dépendance d'une source acoustique de signal, ledit individu portant un appareil auditif de l'oreille droite et un appareil auditif de l'oreille gauche, ayant respectivement un agencement convertisseur d'entrée de l'oreille droite et de l'oreille gauche, et ayant un agencement convertisseur de sortie de l'oreille droite et de l'oreille gauche:- le signal d'entrée de l'agencement convertisseur de l'oreille droite étant dépendant du signal de sortie de l'agencement convertisseur d'entrée de l'oreille droite,- le signal d'entrée de l'agencement convertisseur de l'oreille gauche étant dépendant du signal de sortie de l'agencement convertisseur d'entrée de l'oreille gauche, comprenant:- l'établissement d'une dépendance prédominante du signal d'entrée de l'agencement convertisseur de sortie contra-latéral du signal de sortie de l'agencement convertisseur d'entrée ipsi-latéral si une source acoustique à être perçu se situe latéralement de la tête de l'individucaractérisé par la désactivation du dépendance des signaux d'entrée à l'agencement convertisseur de sortie ipsi-latéral du signal de sortie de l'agencement convertisseur d'entrée contra-latéral, et l'établissement dudit dépendance prédominante par la réduction de la dépendance dudit signal d'entrée dudit agencement convertisseur de sortie contra-latérale du signal de sortie dudit agencement convertisseur d'entrée contra-latéral, uniquement si ladite source acoustique se situe dans une étendue (F1) de direction d'arrivée DOA, où
relative à la direction vers l'avant du individu, et la source est écarté d'une des oreilles de l'individu par 0.3 m au maximum, et où «ipsi-latéral» se réfère au côté de la tête de l'individu plus proche à une source acoustique, et «contra-latéral» se réfère au côté de la tête de l'individu qui est plus éloigné d'une source acoustique latérale. - Procédé selon la revendication 1, comprenant la formation de faisceau binaurale par l'établissement du dépendance du signal d'entrée dudit agencement convertisseur de sortie de l'oreille droite du signal de sortie dudit agencement convertisseur de sortie de l'oreille gauche, et par l'établissement du dépendance dudit signal d'entrée dudit agencement convertisseur de sortie de l'oreille gauche dudit signal de sortie dudit agencement convertisseur d'entrée de l'oreille droite, au moins pour DOA en dehors de ladite étendue.
- Procédé selon la revendication 2, comprenant l'exécution de ladite formation de faisceau binaurale exclusivement pour un DOA situé dans une seconde étendue de DOA.
- Procédé selon l'une des revendications 1 à 3, comprenant la temporisation de l'influence desdites signaux de sortie des agencements convertisseurs d'entrée de l'oreille droite et de l'oreille gauche respectivement sur les signaux d'entrée des agencements convertisseurs de sortie de l'oreille gauche et de l'oreille droite, plus par une quantité fixe que par la temporisation de l'influence dudit signaux de sortie des agencement convertisseurs d'entrée de l'oreille droite et de l'oreille gauche sur lesdits signaux d'entrée des agencements convertisseurs de sortie de l'oreille droite et de l'oreille gauche respectivement.
- Procédé selon la revendication 4, ladite quantité fixe étant sélectionnée d'être au moins approximativement égale au temps de transit d'un signal acoustique dans la bande de fréquence audible de l'une oreille à l'autre, autour d'une tête humaine.
- Procédé selon l'une des revendications 1 à 5, comprenant de plus l'établissement en situ et pour au moins la bande de fréquence audible, pour lesdites agencements convertisseurs d'entrée de l'oreille droite et de l'oreille gauche, la capacité d'effectuer de la formation de faisceau monaurale, résultant en une amplification maximum pour un DOA venant d'un hémisphère latéral de l'individu et résultant en une amplification minimum pour un DOA venant d'un hémisphère côté-tête de l'individu.
- Procédé selon la revendication 6, ledit établissement étant effectué principalement par l'exploitation de la fonction de transfert de tête respective.
- Procédé selon l'une des revendications 1 à 7, comprenant la désactivation de la formation de faisceau binaurale dans une étendue entre au plus 45° et au moins 315°.
- Procédé selon l'une des revendications 1 à 8, comprenant l'accomplissement d'un changement de dépendance de signal dans une manière décroissante.
- Procédé selon l'une des revendications 1 à 9, l'établissement desdites dépendances desdites signaux d'entrée desdits agencements convertisseurs de sortie des signaux de sortie desdits agencements convertisseurs d'entrée comprenant un traitement de signal en mode de fréquence et effectuant un changement d'une dépendance de signal comprenant effectuant le changement dudit dépendance de signal subséquemment, premièrement d'une première groupe de fréquences spectraux et ensuite d'une seconde groupe de fréquences spectraux différentes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2006/064123 WO2008006401A1 (fr) | 2006-07-12 | 2006-07-12 | Procédés de génération de signaux audibles dans des appareils auditifs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2039217A1 EP2039217A1 (fr) | 2009-03-25 |
EP2039217B1 true EP2039217B1 (fr) | 2012-09-05 |
Family
ID=37671341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06792496A Active EP2039217B1 (fr) | 2006-07-12 | 2006-07-12 | Procédés de génération de signaux audibles dans des appareils auditifs |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2039217B1 (fr) |
WO (1) | WO2008006401A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3523987B1 (fr) * | 2016-10-10 | 2023-10-04 | Widex A/S | Système d'appareillage binaural et procédé de fonctionnement d'un système d'appareillage binaural |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009153718A1 (fr) * | 2008-06-17 | 2009-12-23 | Koninklijke Philips Electronics N.V. | Agencement d'écouteurs et son procédé de fonctionnement |
DK2897382T3 (da) * | 2014-01-16 | 2020-08-10 | Oticon As | Forbedring af binaural kilde |
US9551161B2 (en) | 2014-11-30 | 2017-01-24 | Dolby Laboratories Licensing Corporation | Theater entrance |
KR20170089862A (ko) | 2014-11-30 | 2017-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 소셜 미디어 링크형 대형 극장 설계 |
US11818548B2 (en) | 2019-09-30 | 2023-11-14 | Widex A/S | Method of operating a binaural ear level audio system and a binaural ear level audio system |
US11617037B2 (en) | 2021-04-29 | 2023-03-28 | Gn Hearing A/S | Hearing device with omnidirectional sensitivity |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5757932A (en) * | 1993-09-17 | 1998-05-26 | Audiologic, Inc. | Digital hearing aid system |
US5991419A (en) * | 1997-04-29 | 1999-11-23 | Beltone Electronics Corporation | Bilateral signal processing prosthesis |
CA2372017A1 (fr) * | 1999-04-26 | 2000-11-02 | Dspfactory Ltd. | Correction physiologique d'une prothese auditive numerique |
US6778674B1 (en) * | 1999-12-28 | 2004-08-17 | Texas Instruments Incorporated | Hearing assist device with directional detection and sound modification |
AU2000262575A1 (en) * | 2000-08-11 | 2000-11-21 | Phonak Ag | Method for localising direction and localisation arrangement |
US7286672B2 (en) | 2003-03-07 | 2007-10-23 | Phonak Ag | Binaural hearing device and method for controlling a hearing device system |
US20040175008A1 (en) * | 2003-03-07 | 2004-09-09 | Hans-Ueli Roeck | Method for producing control signals, method of controlling signal and a hearing device |
-
2006
- 2006-07-12 EP EP06792496A patent/EP2039217B1/fr active Active
- 2006-07-12 WO PCT/EP2006/064123 patent/WO2008006401A1/fr active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3523987B1 (fr) * | 2016-10-10 | 2023-10-04 | Widex A/S | Système d'appareillage binaural et procédé de fonctionnement d'un système d'appareillage binaural |
Also Published As
Publication number | Publication date |
---|---|
WO2008006401A1 (fr) | 2008-01-17 |
EP2039217A1 (fr) | 2009-03-25 |
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