Low-cost hearing assistive technology development
The main objective of this project was to develop a low cost hearing assistive device. The device had to be able to split the input audio into various frequency spectrums which was similar to the frequency used in a hearing test. The gain of each frequency bandwidth was able to be controlled indepen...
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| Other Authors: | |
| Format: | Final Year Project (FYP) |
| Language: | English |
| Published: |
2016
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/67510 |
| _version_ | 1811676983825793024 |
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| author | Wong, Li Ying |
| author2 | Gan Woon Seng |
| author_facet | Gan Woon Seng Wong, Li Ying |
| author_sort | Wong, Li Ying |
| collection | NTU |
| description | The main objective of this project was to develop a low cost hearing assistive device. The device had to be able to split the input audio into various frequency spectrums which was similar to the frequency used in a hearing test. The gain of each frequency bandwidth was able to be controlled independently according to the user profile.
In this project, finite impulse response were use to construct the bandwidth of the band pass filter and testing was done to find each frequency bandwidth cut off point. The gain of the each frequency band was controlled through the mixer as it has individual channel for each frequency. The algorithm to combine all the individual functions was written to allow it to work as a hearing assistive device. In addition, a casing was done to house all the circuits required for device to work.
The testing that was carried out in both a sound-proof room and noisy environment had been proven to be successful. |
| first_indexed | 2024-10-01T02:30:09Z |
| format | Final Year Project (FYP) |
| id | ntu-10356/67510 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:30:09Z |
| publishDate | 2016 |
| record_format | dspace |
| spelling | ntu-10356/675102023-07-07T17:00:13Z Low-cost hearing assistive technology development Wong, Li Ying Gan Woon Seng School of Electrical and Electronic Engineering DRNTU::Engineering The main objective of this project was to develop a low cost hearing assistive device. The device had to be able to split the input audio into various frequency spectrums which was similar to the frequency used in a hearing test. The gain of each frequency bandwidth was able to be controlled independently according to the user profile. In this project, finite impulse response were use to construct the bandwidth of the band pass filter and testing was done to find each frequency bandwidth cut off point. The gain of the each frequency band was controlled through the mixer as it has individual channel for each frequency. The algorithm to combine all the individual functions was written to allow it to work as a hearing assistive device. In addition, a casing was done to house all the circuits required for device to work. The testing that was carried out in both a sound-proof room and noisy environment had been proven to be successful. Bachelor of Engineering 2016-05-17T06:45:19Z 2016-05-17T06:45:19Z 2016 Final Year Project (FYP) http://hdl.handle.net/10356/67510 en Nanyang Technological University 89 p. application/pdf |
| spellingShingle | DRNTU::Engineering Wong, Li Ying Low-cost hearing assistive technology development |
| title | Low-cost hearing assistive technology development |
| title_full | Low-cost hearing assistive technology development |
| title_fullStr | Low-cost hearing assistive technology development |
| title_full_unstemmed | Low-cost hearing assistive technology development |
| title_short | Low-cost hearing assistive technology development |
| title_sort | low cost hearing assistive technology development |
| topic | DRNTU::Engineering |
| url | http://hdl.handle.net/10356/67510 |
| work_keys_str_mv | AT wongliying lowcosthearingassistivetechnologydevelopment |