CALL:RTVocoder

Function

Queries the vocoder calibration type. See Calibration Type .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

AOPath | AIPath | ICODec

Query

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.11 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:CALibration:TYPE AOP"
!Set the vocoder calibration type to Audio Out Path.

Function

Queries the headroom of the decoded data samples to the full scale of the DAC (Digital to Analog Converter). See "Real-Time Vocoder Headroom Information" .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Query

Range: 0.0 to 100 dB, 9.91E+37 (NAN)

Resolution: 0.1 dB

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.09 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:DECoder:HEADroom?"
! Queries decoder headroom. 

Function

Queries the headroom of the audio samples to the full scale of the ADC (Analog to Digital Converter). See "Real-Time Vocoder Headroom Information" .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Query

Range: 0.0 to 100 dB, 9.91E+37 (NAN)

Resolution: 0.1 dB

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.09 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:ENCoder:HEADroom?"
! Queries encoder headroom. 

Function

Sets/queries the peak voltage of the analog audio signal that is applied at the test set's AUDIO IN connector. The units (V|mV) are optional. If no units are specified, then units default to V. See "Setting Real-Time Vocoder Parameters" .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

Range: 0.001 to 2.0 V

Resolution: 1 mV

Query

Range: 0.001 to 2.0 V

Resolution: 1 mV

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.09 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:INPut:VOLTage 350mV"
! Sets the peak level of Audio In signal to 350 mV. 

Function

Sets/queries the vocoder operating mode. See Operating Mode .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

Query

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.11 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:OPER:MODE NORM"
!Sets the vocoder operating mode to Normal.

Function

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

Range: 300Hz to 1100Hz

Resolution: 1.0 Hz

Query

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.11 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:OUTPut:FREQuency 1000Hz"
!Sets the vocoder Audio Out Frequency to 1000Hz.

Function

Sets/queries the maximum audio peak output level that is produced on the test set's AUDIO OUT connector according to the voice data received on the R-Traffic/R-FCH channel. The units (V|mV) are optional. If no units are specified, then units default to V. See "Setting Real-Time Vocoder Parameters" .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

Range: 0.0 to 5.0 V

Resolution: 0.1 mV

Query

Range: 0.0 to 5.0 V

Resolution: 0.1 mV

0.0 V

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.09 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:OUTPut:VOLTage 350MV"
! Sets the peak level of AUDIO OUT signal to 350 mV. 

Function

Sets/queries whether or not the voice activity detection algorithm is implemented in the speech codec. See "Setting Real-Time Vocoder Parameters" .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

Range: 1|ON | 0|OFF

Query

Range: 1 | 0

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.09 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:VADetection ON"
! Enable the voice activity detection algorithm. 

Function

Sets/queries the voice activity detection algorithm. See "Setting Real-Time Vocoder Parameters" .

GPRS TA

EGPRS TA

GSM/GPRS LA

EGPRS LA

Setting

Range: OPTion1 | OPTion2

Query

Range: OPT1 | OPT2

OPT1

Requirements

GSM/GPRS/ EGPRS TA

Revision: A.09 and above with required feature license.

Programming Example

 
OUTPUT 714;"CALL:RTVocoder:VADetection:AMRate:ALGorithm OPT2"
! Select Option 2 VAD algorithm for AMR.