190 FONIX 7000 Hearing Aid Analyzer
POGO
Prescription of Gain/Output (POGO) for Hearing Aids
by: Geary A. McCandless, PhD,
& Poul Erik Lyregaard, MSc
Hearing Instruments vol 34 #1, 1983
Required insertion gain is calculated as follows:
Frequency (Hz) Insertion Gain (dB)
250 1/2 HTL - 10 dB
500 1/2 HTL - 5 dB
* 750 1/2 HTL - 2.5 dB
1000 1/2 HTL
* 1500 1/2 HTL
2000 1/2 HTL
3000 1/2 HTL
4000 1/2 HTL
* 6000 1/2 HTL
* 8000 1/2 HTL
Note: Frequencies preceded by an asterisk (*) are
interpolated because the article does not reference them.
BERGER
A Method of Hearing Aid Prescription
by: Kenneth W. Berger, PhD, Eric N. Hagberg, M.A.,
& Robert L. Rane, PhD
Hearing Instruments July 1978
Required insertion gain is calculated as follows:
Frequency (Hz) Insertion Gain (dB)
* 250 1/2 HTL
500 1/2 HTL
* 750 1/2 HTL
1000 1/1.6 HTL
* 1500 1/1.5 HTL
2000 1/1.5 HTL
3000 1/1.7 HTL
4000 1/2 HTL
* 6000 1/2 HTL
* 8000 1/2 HTL
Note: Frequencies preceded by an asterisk (*) are
interpolated because the article does not reference them.
