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Sony Ericsson GM47 User Manual

Page 130

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GM47/GM48 INTEGRATOR’S MANUAL

130

LZT 123 7263 R1C

• configure the whole profile, specifying each audio parameter in a

comma separated list;

• set a single parameter, given by its parameter number;
• save the current profile to non-volatile memory under the current

profile number (see AT*E2APR).

The current audio settings can also be displayed by running the read
command AT*E2EAMS?

Default audio settings are given in AT*E2APR.

Abortability:

This command may not be aborted.

Refer to the diagram below to understand which parts of the audio
circuit are affected by the various parameters.

Figure 4.1 Audio diagram of the CODEC

AuxInGain

MicInGain

SideTone

Gain

Aux Amp

Ear Amp

TxPGA

TxGainLow

RxPGA

Volume

TxPCM

RxPCM

Speech

decoder

F/R

EchoCancel

Handsfree

NoiseRed

Encoder

F/R

ATMS

MICP

MICN

BEARP

BEARN

PCMOUT

PCMIN

PCMULD

PCMDLD

DSP

CODEC

SideTone

switch

MicPath

switches

SpkPath
switches

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