User manual OPTICOM CC02 SPECIFICATION DATA

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OPTICOM CC02 SPECIFICATION DATA: Download the complete user guide (1418 Ko)

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Manual abstract: user guide OPTICOM CC02SPECIFICATION DATA

Detailed instructions for use are in the User's Guide.

[. . . ] P. 862 is based on the earlier P. 861 (PSQM) technology developed by KPN Research extended to include a time alignment model. Being already widely used in active testing in both lab environments and in network test equipment, OPTICOM's CC02 has achieved a great reputation for its ease of use and its reliability of its results while lowering the costs for the measurements. [. . . ] Being already widely used in active testing in both lab environments and in network test equipment, OPTICOM's CC02 has achieved a great reputation for its ease of use and its reliability of its results while lowering the costs for the measurements. OPTICOM's CC02 is fully compliant to ITU-T P. 862. x covering the applicability to narrow band as well as wide band audio signals. OPTICOM who is the leading provider of signal based perceptual measurement technologies offers algorithms for voice, audio and video quality measurements. Voice Quality Testing OPTICOM Product Line: Voice/Audio Quality CC02 ITU-T P. 862 3SQM ITU-T P. 563 PSQM ITU-T P. 861 ECHO PEAQ ITU-T BS. 1387 Video Quality PEVQ Network Quality VQmon Principle The degraded signal and the reference signal are individually level aligned and filtered with the transfer characteristics of a receiving device (handset). Basically two different filter functions ­ a narrow band (IRS) filter and a wide band filter ­ are available and may be chosen depending on the preferred application. After that the two signals are time aligned in order to compensate for small time shifts that can occur in e. g. In order to account for the distortions that are actually perceived by a human listener the model transforms the two aligned and filtered signals from the time-amplitude domain into a frequency-loudness domain (auditory transform). Recognized an industry reference, OPTICOM's OPERA voice/audio quality test tools are available to users world wide. And while specialized on OEM customers in particular, the directory of OEM licensees today reads like the `Who-is-Who' of the Telecoms industry. OPTICOM is a privately held company located in Erlangen, Germany. Specifications CC02 ­ Perceptual Evaluation of Speech Quality Functionality · ITU-T P. 862. x Perceptual Evaluation of Speech Quality, with mapping to MOS scale · Narrowband and Wideband operation Complexity · P. 862 is processed in about 10-20 times faster than real-time on a Pentium III 733MHz (44-125MFLOPs) · Data memory: 5. 2MB for file pair with 8s length Input · 16 bit linear audio sampled at 8kHz and 16kHz · Input voice files 6 to 20 seconds in length · Code memory: App. 200-400kb (depending on used features and optimizations) · Floating point library required Platforms Output · VAD measurements (front end clipping, hold over time) · Drop out measurement · Delay measurement and statistics (min, max, average, delay vs. time · MOS for speech and silent parts separately · Attenuation · Speech level (total, active speech, silence, reference, test separately) · Loudness (reference, test) · AGC measurement · R Factor (LQ) · Windows · Linux · Solaris Sales Contacts: OPTICOM GmbH Nägelsbachstraße 38 91052 Erlangen, GERMANY Phone: +49-91 31 / 5 30 20 - 0 Fax: +49-91 31 / 5 30 20 - 20 info@opticom. de www. opticom. de North America: Telchemy Inc. Phone +1-301 353 1560 2850 Europe, Latin America, Middle East & Africa, Asia Pacific, CIS Countries: JDSU - Acterna Germany GmbH Phone: +49-7121 86 2222 Through our distributor network, we are represented in more than 80 countries. [. . . ] time · MOS for speech and silent parts separately · Attenuation · Speech level (total, active speech, silence, reference, test separately) · Loudness (reference, test) · AGC measurement · R Factor (LQ) · Windows · Linux · Solaris Sales Contacts: OPTICOM GmbH Nägelsbachstraße 38 91052 Erlangen, GERMANY Phone: +49-91 31 / 5 30 20 - 0 Fax: +49-91 31 / 5 30 20 - 20 info@opticom. de www. opticom. de North America: Telchemy Inc. Phone +1-301 353 1560 2850 Europe, Latin America, Middle East & Africa, Asia Pacific, CIS Countries: JDSU - Acterna Germany GmbH Phone: +49-7121 86 2222 Through our distributor network, we are represented in more than 80 countries. [. . . ]

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