Table 1 Stimulation parameters that differed between the three experimental approaches

From: Notched noise reveals differential improvement in the neural representation of the sound envelope

 

Modeling

Auditory nerve recordings

Psychoacoustics

Carrier frequency fc

4 kHz

CF

4 kHz

SAM duration

3 s

2.4 s

0.3 s

Notch width w in % of fc

20 and 30%

20 and 30%

20%

SAM level

0 to 90 dB SPL

10 to 81 dB SPL

65 dB SPL

Relative spectral noise level g

−65 to 25 dB.Hz−1

−55 to 15 dB.Hz−1

−35 dB.Hz−1

Low- and high frequency cut-offs of the notched noise

1–8500 Hz

300–16,300 Hz

1–8500 Hz

  1. CF characteristic frequency, fc, carrier frequency of the SAM tone, SAM sinusoidally amplitude-modulated tone, SPL sound pressure level.