C H A P T E R 8 : T E C H N I C A L S P E C I F I C A T I O N S
180
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PSQM value of the silent intervals (PSQM-Silence)
•
Mean Opinion Score (MOS) according to P.861, silence weight = 0.0 (OMOS-W0)
•
Mean Opinion Score (MOS) according to P.861, silence weight = 0.2 (OMOS-W2)
•
Mean Opinion Score (MOS) according to P.861, silence weight = 0.4 (OMOS-W4)
•
Mean Opinion Score (MOS) according to PSQM+ (OMOS+)
•
Mean Opinion Score (MOS) vs. Time
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Delay between the Reference Signal and the output signal of the device under test
•
Attenuation of the test signal compared to the reference signal
•
Modulation of the reference and test signal
PESQ Algorithm
General:
Algorithm:
Based on standard ITU-T P.862
Sample rates:
8 kHz and 16 kHz
Available Measurement Results:
•
Timesignal
•
Min., max. and average delay
•
Delay Jitter, Delay vs. Time, Delay Probability Distribution Function
•
MOS (total, speech, background noise)
•
R-Factor
•
PESQ-LQ
•
Front-End-Clipping (FEC)
•
Hold-Over-Time (HOT)
•
Dropouts
•
Loudness
•
Signal Levels
•
Attenuation
•
Gain Variation
Summary of Contents for OPERA Broadcast
Page 1: ...User Manual Version 3 5...
Page 2: ...C O N T E N T S ii Document Version as of 20 Dez 02...
Page 14: ...P R E F A C E 8...
Page 28: ...C H A P T E R 2 W H I C H M E A S U R E M E N T D O I N E E D 22...
Page 34: ...C H A P T E R 3 I N S T A L L A T I O N A N D S E T U P 28...
Page 90: ...C H A P T E R 4 G E T T I N G T O K N O W T H E O P E R A F R A M E W O R K 84...
Page 142: ...C H A P T E R 6 T E L E P H O N Y B A N D V O I C E Q U A L I T Y T E S T I N G 136...
Page 174: ...C H A P T E R 6 T E L E P H O N Y B A N D V O I C E Q U A L I T Y T E S T I N G 168...
Page 190: ...C H A P T E R 8 T E C H N I C A L S P E C I F I C A T I O N S 184...
Page 204: ......
