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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
Additional Features:
OptiCall™ Application
Description:
Sample rates:
Sound file formats:
Automated operation:
Additional Features:
F O R
T H E
O P E R A ™
Averaged modulation difference with emphasis on
introduced modulations and modulation changes where
the reference contains little or no modulations
(AmodDif2B, RModDifA),
RMS value of the averaged noise loudness with emphasis
on introduced components (NloudB, NLA),
Averaged Linear Distortions (ALD)
File-based measurements,
On-line measurements,
Trigger functionality,
Result logging option, including user definable log intervals
and ODG threshold,
Printing and graph exporting functionality,
Includes official ITU audio samples for testing,
Includes PEAQ conformance test samples
Data acquisition tool that supplies test files for file-based
measurement analysis with PESQ, PSQM, PSQM+,
PSQM/IP, Echo and PEAQ algorithms. Capable of
playing/recording WAVE files through all available
interfaces, i.e. POTS, E1/T1 and audio interfaces, in any
combination. One way and two way measurement, as well
as double talk is supported. OptiCall™ controls data
acquisition on the local host, as well as on remote
OPERA™ systems.
8 kHz (POTS interface, E1/T1 interface),
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz (audio
interface)
8 bit G.711 A-law, mu-law (POTS interface, E1/T1
interface),
plain PCM (audio interface)
Supported
One way and two way data acquisition,
Double talk data acquisition,
Bulk call generation,
H.323 interface functionality using Netmeeting™ and audio
interfaces,
Remote control via IP,
DDLC™ improved timing accuracy (Dynamic Driver
Latency Compensation),
Play and record functionality for wide band audio and
voice signals
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O B J E C T I V E
P E R C E P T U A L
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