From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor
An important step towards understanding the working principles of the mammalian hearing sensor is the concept of an active cochlear amplifier. Theoretical arguments and physiological measurements suggest that the active cochlear amplifiers originate from systems close to a Hopf bifurcation. Efforts...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2007-12-01
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| Series: | Sensors |
| Subjects: | |
| Online Access: | http://www.mdpi.com/1424-8220/7/12/3287/ |
| _version_ | 1797999468766822400 |
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| author | Stefan Martignoli Yoko Uwate Tom Jasa Ruedi Stoop |
| author_facet | Stefan Martignoli Yoko Uwate Tom Jasa Ruedi Stoop |
| author_sort | Stefan Martignoli |
| collection | DOAJ |
| description | An important step towards understanding the working principles of the mammalian hearing sensor is the concept of an active cochlear amplifier. Theoretical arguments and physiological measurements suggest that the active cochlear amplifiers originate from systems close to a Hopf bifurcation. Efforts to model the mammalian hearing sensor on these grounds have, however, either had problems in reproducing sufficiently close essential aspects of the biological example (Magnasco, M.O. Phys. Rev. Lett. 90, 058101 (2003); Duke, T. & Jülicher, F. Phys. Rev. Lett. 90, 158101 (2003)), or required complicated spatially coupled differential equation systems that are unfeasible for transient signals (Kern, A. & Stoop, R. Phys. Rev. Lett. 91, 128101 (2003)). Here, we demonstrate a simple system of electronically coupled Hopf amplifiers that not only leads to the desired biological response behavior, but also has real-time capacity. The obtained electronic Hopf cochlea shares all salient signal processing features exhibited by the mammalian cochlea and thus provides a simple and efficient design of an artificial mammalian hearing sensor. |
| first_indexed | 2024-04-11T11:05:07Z |
| format | Article |
| id | doaj.art-64c2321bb1b8462da696fb7c21c7217e |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T11:05:07Z |
| publishDate | 2007-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-64c2321bb1b8462da696fb7c21c7217e2022-12-22T04:28:24ZengMDPI AGSensors1424-82202007-12-017123287329810.3390/s7123287From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing SensorStefan MartignoliYoko UwateTom JasaRuedi StoopAn important step towards understanding the working principles of the mammalian hearing sensor is the concept of an active cochlear amplifier. Theoretical arguments and physiological measurements suggest that the active cochlear amplifiers originate from systems close to a Hopf bifurcation. Efforts to model the mammalian hearing sensor on these grounds have, however, either had problems in reproducing sufficiently close essential aspects of the biological example (Magnasco, M.O. Phys. Rev. Lett. 90, 058101 (2003); Duke, T. & Jülicher, F. Phys. Rev. Lett. 90, 158101 (2003)), or required complicated spatially coupled differential equation systems that are unfeasible for transient signals (Kern, A. & Stoop, R. Phys. Rev. Lett. 91, 128101 (2003)). Here, we demonstrate a simple system of electronically coupled Hopf amplifiers that not only leads to the desired biological response behavior, but also has real-time capacity. The obtained electronic Hopf cochlea shares all salient signal processing features exhibited by the mammalian cochlea and thus provides a simple and efficient design of an artificial mammalian hearing sensor.http://www.mdpi.com/1424-8220/7/12/3287/Cochleahearing sensorelectronics. |
| spellingShingle | Stefan Martignoli Yoko Uwate Tom Jasa Ruedi Stoop From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor Sensors Cochlea hearing sensor electronics. |
| title | From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor |
| title_full | From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor |
| title_fullStr | From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor |
| title_full_unstemmed | From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor |
| title_short | From Hearing to Listening: Design and Properties of an Actively Tunable Electronic Hearing Sensor |
| title_sort | from hearing to listening design and properties of an actively tunable electronic hearing sensor |
| topic | Cochlea hearing sensor electronics. |
| url | http://www.mdpi.com/1424-8220/7/12/3287/ |
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