| Paper Abstract and Keywords |
| Presentation |
2006-08-09 14:00
Estimates of tuning of auditory filter using simultaneous and forward notched-noise masking
Masashi Unoki, Ryota Miyauchi, Chin-Tuan Tan (JAIST) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This study attempts to estimate the tuning of an auditory filter, through both simultaneous and forward masking experiments with a notched-noise masker, to investigate how the effects of suppression affect estimates of frequency selectivity. In these experiments, masked thresholds of the 10-ms short probe signal centered in the masker or delayed from the masker were measured for normal-hearing subjects as a function of the signal frequency (0.5, 1.0, 2.0, and 4.0 kHz), signal level (10, 20, and 30 dB SL), signal delay, and notch-width
conditions in the nothced-noise masker. Parallel roex auditory filter was fitted to these data to derive the filter shape. Filter-Q related to
ERBs were calculated from the derived filters to compare the cochlear tuning. The estimated tunings from the forward masking data were considerably sharper than those estimated from the simultaneous masking
data. Moreover, the estimated tunings became much sharper as the center
frequency was increased. The difference between the tunings at lower frequencies with either form of masking tended to be smaler than that at
higher frequencies. The tuning may be affected by residual effects of
suppression due to lower masker components below the signal frequency. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
frequency selectivity / notched-noise masking / auditory filter / tuning / suppression / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 204, EA2006-38, pp. 23-28, Aug. 2006. |
| Paper # |
EA2006-38 |
| Date of Issue |
2006-08-02 (EA) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
EA |
| Conference Date |
2006-08-09 - 2006-08-10 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
|
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Hearing, Signal Processing, etc. |
| Paper Information |
| Registration To |
EA |
| Conference Code |
2006-08-EA |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Estimates of tuning of auditory filter using simultaneous and forward notched-noise masking |
| Sub Title (in English) |
|
| Keyword(1) |
frequency selectivity |
| Keyword(2) |
notched-noise masking |
| Keyword(3) |
auditory filter |
| Keyword(4) |
tuning |
| Keyword(5) |
suppression |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Masashi Unoki |
| 1st Author's Affiliation |
Japan Advanced Institute of Science and Technology (JAIST) |
| 2nd Author's Name |
Ryota Miyauchi |
| 2nd Author's Affiliation |
Japan Advanced Institute of Science and Technology (JAIST) |
| 3rd Author's Name |
Chin-Tuan Tan |
| 3rd Author's Affiliation |
Japan Advanced Institute of Science and Technology (JAIST) |
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| Speaker |
Author-1 |
| Date Time |
2006-08-09 14:00:00 |
| Presentation Time |
30 minutes |
| Registration for |
EA |
| Paper # |
EA2006-38 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.204 |
| Page |
pp.23-28 |
| #Pages |
6 |
| Date of Issue |
2006-08-02 (EA) |