![Quectel UG Series Command Manual Download Page 202](http://html.mh-extra.com/html/quectel/ug-series/ug-series_command-manual_772151202.webp)
UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 201 / 247
Parameter
Auto save the configuration to NV. The setting is still valid after module restart.
Example
AT+QAUDCFG="handset/nr/ul", "1.6000.9000.10000.1800.19660"
//Set configuration to default
OK
AT+QAUDCFG="handset/nr/ul"
//Query
+QAUDCFG: "handset/nr/ul", "1.6000.9000.10000.1800.19660"
OK
12.15.5. AT+QAUDCFG="handset/nr/dl" Set Down Link Noise Reduction for Handset
AT+QAUDCFG=“handset/nr/dl” is used to set down link noise reduction for handset.
<nrpara>
List of integers, separated by dot (.)
Par0
Noise Reduction control word, 1: enable, 0: disable, Default value might be
different in different audio modes
Par1
NR_AttenFactorMinVal, Minimum value of Noise Reduction gain, range: 0-32767.
Default value might be different in different audio modes
Par2
NR_OvEstFacBandZero, Overestimation factor for Noise Reduction in band 0,
range: 0-32767. Default value might be different in different audio modes
Par3
NR_OvEstFacBandNoZero, Overestimation factor for Noise Reduction in band 1
to 7, range: 0-32767. Default value might be different in different audio modes
Par4
NR_GainFactor, Defines how aggressive the NR is, range: 0-32767. Default value
might be different in different audio modes
Par5
NR_GainLimit, Maximum gain allow, range: 0-32767. Default value might be
different in different audio modes
AT+QCFG="handset/nr/dl" Set Down Link Noise Reduction for Handset
Test Command
AT+QAUDCFG=?
Response
……
+QAUDCFG: "handset/nr/dl",<nrpara>
……
OK
NOTE
Quectel
Confidential