THE AUDITORY MODELING TOOLBOX
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bramslow2004_erbenergy
ERB SPL and total power of a power spectrum
Usage:
[ERB_SPL, ERB_Power]=bramslow2004_erbenergy(PowSpect, NoChan, In_FrmSize, In_SampF, Widen, AGLoss, RET4153, AGFs_E, E_Beg, E_End)
Input parameters:
| PowSpect | Row vector with the power spectrum. Size: In_FrmSize/2. |
| NoChan | Number of output channels (equally distributed on the ERB scale). |
| In_FrmSize | Input frame size. |
| In_SampF | Input sampling rate (in Hz). |
| Widen | Flag for filter widening dependent on level. If true, the filter will be widened. |
| AGLoss | Audiogram (in dB HL) at specified frequencies: [125 250 500 750 1000 1500 2000 3000 4000 6000 8000 10000 12500]. |
| RET4153 | ISO 389 thresholds in dB as measured on ear-simulator (4153) coupler. Specified at the same frequencies as for AGLoss. |
| AGFs_E | Audiogram frequencies (in Cams, on the ERB scale). |
| E_Beg | Lowest ERB rate considered (in Cams, typically 3 Cams). |
| E_End | Highest ERB rate considered (in Cams, typically 32 Cams). |
Output parameters:
| ERB_SPL | SPL (in dB) in each ERB band, restricted to be between 20 and 130 dB. |
| ERB_Power | Total power (in dB) across all ERB bands. |
Description:
bramslow2004_erbenergy(..) calculates the energy (in dB SPL) in each EEB band. Further, it returns the total power of the signal (in dB).
See also other parameters as in arg_bramslow2004.
References:
L. Bramsløw Nielsen. An Auditory Model with Hearing Loss. Technical report, Eriksholm Research Centre, Snekkersten, 1993. [ .pdf ]
L. Bramsløw. An objective estimate of the perceived quality of reproduced sound in normal and impaired hearing. Acta Acustica united with Acustica, 90(6):1007--1018, 2004. [ http ]
L. Bramsløw. An auditory loudness model with hearing loss. In Baltic-Nordic Acoustics Meeting, pages 318--323, 2024. [ .html ]
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