55 handsfree echo canceller - #shfec – Rainbow Electronics GM862-QUAD-PY User Manual

Page 290

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AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 290 of 434

#CODEC - Audio Codec

SELINT 0 / 1

AT#CODEC?

Read command returns current audio codec mode in the format:

#CODEC: <codec>

AT#CODEC=?

Test command returns the range of available values for parameter
<codec>

Example

AT#CODEC=14

OK

sets the codec modes HR (4), EFR (2) and AMR-FR (8)

#CODEC - Audio Codec

SELINT 2

AT#CODEC=
[<codec>]

Set command sets the audio codec mode.

Parameter:
<codec>
0 - all the codec modes are enabled (factory default)
1..31 - sum of integers each representing a specific codec mode:

1 - FR, full rate mode enabled
2 - EFR, enhanced full rate mode enabled
4 - HR, half rate mode enabled
8 - AMR-FR, AMR full rate mode enabled
16 - AMR-HR, AMR half rate mode enabled

Note: the full rate mode is added by default to any setting in the SETUP
message (as specified in ETSI 04.08).

Note: the setting 0 is equivalent to the setting 31.

Note: The codec setting is saved in the profile parameters.

AT#CODEC?

Read command returns current audio codec mode in the format:

#CODEC: <codec>

AT#CODEC=?

Test command returns the range of available values for parameter
<codec>

Example

AT#CODEC=14
OK


sets the codec modes HR (4), EFR (2) and AMR-FR (8)

3.5.7.1.55 Handsfree Echo Canceller - #SHFEC

#SHFEC - Handsfree Echo Canceller

SELINT 0 / 1

AT#SHFEC[=
[<mode>]]

Set command enables/disables the echo canceller function on audio
handsfree output.

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