;B&K 4134 microphone calibration.  Use TXT2CAL to create BK4134.CAL file.

 SPL    ;Label for Y-axis (6 chars max, leading spaces count)

;Mic sensitivity is -40 dB re: 1 V/Pa.  Subtract -40 from +94 dB SPL (1 Pa):
134     ;94 dB SPL @ 1 Pa - (-40 dB re: 1 V/Pa)
;Start this line with 'k' if Freq values in kHz.
;Freq       dB
0           -60         ;1st point MUST be 0 Hz.
5           -4.1        ;Pairs MUST be in ascending Freq order.
15          0           ;Any freq spacing OK.
8000        0           ;Any number of points,
15000       1.0         ; but file size must be under 64K.
20000       0           ;Values may be separated by commas, spaces, or tabs
50000       -12.5