Specifications

CINTERION
®
BGS12 Hardware Interface Description
Contents
81 of 109
Page
BGS12 HID_V00.915
Confidential / Released
2019
-
01
-
07
5.6 Electrical Characteristics of the Voiceband Part
5.6.1 Setting Audio Parameters by AT Commands
The audio modes 1 to 3 can be adjusted according to the parameters listed below. Each audio
mode is assigned a separate set of parameters.
Table 29: Audio parameters adjustable by AT command
Parameter Influence to Range Gain Calculation
inBbcGain
MICP/MICN analog amplifier gain
of baseband controller before
ADC
0...8 0...24dB
3dB steps
inCalibrate
Digital attenuation of input signal
after ADC
-13...16
-13...16dB
outBbcGain
EPP/EPN analog output gain of
baseband controller after DAC
0...21 -6....15dB 1dB steps
outCalibrate[n
] n = 0...4
Digital attenuation of output
signal after speech decoder,
before summation of sidetone
and DAC present for each
volume step[n]
-26...5
-26...5dB
sideTone Digital attenuation of sidetone is
corrected internally by
outBbcGain to obtain a constant
sidetone independent of output
volume
0...32767
-128dB