Quectel UG Series User Manual

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 196 / 247
12.15. AT+QAUDCFG Extension Configuration
12.15.1. AT+QAUDCFG="handset/eec" Set Echo Cancellation for Handset
AT+QAUDCFG=“handset/eec” is used to set echo cancellation for handset.
Parameter
AT+QAUDCFG="handset/eec" Set Echo Cancellation for Handset
Test Command
AT+QAUDCFG=?
Response
……
+QAUDCFG: "handset/eec",<eecpara>
……
OK
Write Command
AT+QAUDCFG="handset/eec"[,<eecpara>]
Response
If configuration parameters are omitted:
+QAUDCFG: "handset/eec",<eecpara>
OK
If configuration parameters are entered:
OK
ERROR
<eecpara> List of integers, separated by dot (.)
Par0 Echocancollationcontrol word, 1: enable, 0: disable, default value might be
different in different audio modes
Par1 AEC (Acoustic Echo Canceller) control word, 1: enable, 0: disable, default value
might be different in different audio modes
Par2 EC_NrCoeffs_Real, Number of taps in real subband, range: 1-528. Default value
might be different in different audio modes
Par3 EC_NrCoeffs_Complex_1, Number of taps in complex subband 1, range: 1-528.
Default value might be different in different audio modes
Par4 EC_NrCoeffs_Complex_2, Number of taps in complex subband2, range: 1-528.
Default value might be different in different audio modes
Par5 EC_NrCoeffs_Complex_3, Number of taps in complex subband3, range: 1-528.
Default value might be different in different audio modes
Par6 EC_NrCoeffs_Complex_4, Number of taps in complex subband4, range: 1-528.
Default value might be different in different audio modes
Par7 EC_NrCoeffs_Complex_5, Number of taps in complex subband5, range: 1-528.
Default value might be different in different audio modes
Par8 EC_Blen, NLMS update block length range: (1,2,4,5,8). Default value might be
different in different audio modes
Quectel
Confidential

Quectel UG Series Specifications

General

Brand	Quectel
Model	UG Series
Category	Control Unit
Language	English