Pogo, Berger – Frye FONIX 7000 User Manual
Page 198
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.