TABLE 1.
List of abbreviations and symbols
| Abbreviation or symbol | Meaning |
|---|---|
| ECR | Ear-canal reflectance |
| CR | Cochlear reflectance |
| WBN | Wideband noise |
| LSC | Linear-swept frequency chirp |
| TF | Transfer function |
| L | Stimulus level |
| r WBN, L (t) | Time-domain reflectance measured using wideband noise stimulus at stimulus level L |
| r LSC (t) | Time-domain reflectance measured using linear-swept frequency chirp |
| r CR,L (t) | Time-domain cochlear reflectance measured at stimulus level L |
| f c | Center frequency of gammatone filter |
| ERB (f c) | Equivalent rectangular bandwidth of gammatone filter with center frequency f c |
| r CR, L (f c, t) | Time-domain cochlear reflectance measured at stimulus level L for gammatone filter with center frequency f c |
| N L | Lower bound of cochlear reflectance in time–frequency domain |
| N H | Upper bound of cochlear reflectance in time–frequency domain |
| τ CR (f c) | Group delay in milliseconds of gammatone filter with center frequency f c |
| N CR (f c) | Group delay in cycles of the center frequency f c of gammatone filter with center frequency f c |
| f a|b | Break point frequency in group delay |
| CRM | Cochlear reflectance magnitude |
| CRML (f c) | Cochlear reflectance magnitude as a function of center frequency f c at stimulus level L |
| CRML | Cochlear reflectance magnitude at stimulus level L, obtained from CRML (f c) by summing across frequency |