Abstract
A time-frequency auditory model is presented. The model uses the wavelet packet analysis as the preprocessor. The auditory filters are modeled by the rounded exponential filters and the excitation is smoothed by a window function. By comparing time-frequency excitation patterns it is shown that the change in the time-frequency excitation pattern introduced when a test tone at masked threshold is added to the masker is approximately equal to 7 dB for all types of maskers. The classic detection ratio therefore overrates the detection efficiency of the auditory system.
| Original language | English |
|---|---|
| Journal | AES: Journal of the Audio Engineering Society |
| Volume | 44 |
| Issue number | 1-2 |
| Pages (from-to) | 37-50 |
| ISSN | 0004-7554 |
| Publication status | Published - 1996 |
| Event | 97th Audio Engineering Society Convention - San Francisco, United States Duration: 10 Nov 1994 → 13 Nov 1994 Conference number: 97 |
Conference
| Conference | 97th Audio Engineering Society Convention |
|---|---|
| Number | 97 |
| Country/Territory | United States |
| City | San Francisco |
| Period | 10/11/1994 → 13/11/1994 |
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