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T E C H N I C A L
S P E C I F I C A T I O N
A N A L Y Z E R
Sound file formats:
Max. duration of measurement signals:
Gain Compensation:
Automatic Delay Compensation:
Static Delay:
Delay Tracking:
Automated operation:
Available Measurement Results:
Additional Features:
F O R
T H E
O P E R A ™
WAVE-files containing A-law, mu-law, linear PCM (8 or 16
bit)
File-based:
32
2
On-line:
(
fs
(e.g. ~12.4 hours at 48 kHz, 16 bit resolution)
Maximum gain difference = ±60 dB
±1000 ms
Automatic Delay Compensation ±10 s
±512 samples
Supported
Timesignal,
Spectrum,
Excitation,
Percentage of silent intervals during measurement (Silence),
Percentage of time clipped frames during measurement
(Time Clipped),
Percentage of severely distorted frames during
measurement (Sev. Distorted),
PSQM according to P.861, silence weight = 0.0 (PSQM-
W0),
PSQM according to P.861, silence weight = 0.2 (PSQM-
W2),
PSQM according to P.861, silence weight = 0.4 (PSQM-
W4),
PSQM value of the silent intervals (PSQM-Silence),
Mean Opinion Score (MOS), silence weight = 0.0 (OMOS-
W0),
Mean Opinion Score (MOS), silence weight = 0.2 (OMOS-
W2),
Mean Opinion Score (MOS), silence weight = 0.4 (OMOS-
W4),
Mean Opinion Score (MOS) according to PSQM+
(OMOS+),
Mean Opinion Score (MOS) vs. Time,
Delay between the Reference Signal and the output signal
of the device under test,
Attenuation of the test signal compared to the reference
signal
File-based measurements,
On-line measurements,
Trigger functionality,
Printing and graph exporting functionality,
Includes official ITU voice samples for testing,
6
O B J E C T I V E
P E R C E P T U A L
As defined by WAVE-format
(
bitspersam
ple
) 8
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