Acoustic Test Cases
From Openmoko
Contents |
Test Environment
1.Normal temperature
2.In the Anechoic Test Chamber
Test Instruments
CMU200 Universal Radio Communication Tester
Conditioning Amplifier
UPL Audio Analyzer
Transformer
Artificial
Mouth Simulator
Test Cases
Test Case#1
Choose SEND item on the audio analyzer instrument
Test Item : Sending Frequency Response
The MS’s SLR is between 5 dB to 11 dB
Test Case#2
Choose REC_MXMN item on the audio analyzer instrument
Test Item : Receiving Frequency Response
The MS’s RLR is between -13 dB to 18 dB
Test Case#3
Choose STMR item on the audio analyzer instrument
Test Item : Sidetone Masking Rating
The MS’s STMR is between 13 dB to 23 dB
Test Case#4
Choose ECHO_TCL→No TRNG item on the audio analyzer instrument
Test Item : Echo Loss
The MS’s TCLw is >46 dB
Test Case#5
Choose DIST_SND→Rel 4/5 item on the audio analyzer instrument
Test Item : Sending Distortion
The audio analyzer instrument show PASS or FAIL
Test Case#6
Choose DIST_REC item on the audio analyzer instrument
Test Item : Receiving Distortion
The audio analyzer instrument show PASS or FAIL
Test Case#7
Choose IDLE_SND item on the audio analyzer instrument
Test Item : Idle Channel Noise Sending
The MS’s idle noise sending is <-64 dBm
Test Case#8
Choose IDLE_REC→MAX item on the audio analyzer instrument
Test Item : Idle Channel Noise Receiving
The MS’s idle noise receiving is <-54 dBPa