User manual OPTICOM OPERA SOFTWARE SUITE V3.0 TECHNICAL SPECIFICATION

[. . . ] Combines PSQM with PAMS, optimized for VoIP and hybrid end-to-end applications PSQM, perceptual speech quality measure according to ITU-T rec. P. 861 [1996] PSQM+, advanced perceptual speech quality measure according to ITU-T COM 12-20 [1998] PSQM/IP, perceptual speech quality measure according to ITU-T rec. [. . . ] Results can be directly compared to subjective listening tests. P. 861 8 kHz and 16 kHz WAVE-files containing A-law, mu-law, linear PCM (8 or 16 bit) PSQM Measurement Description: Algorithm standard: Sample rates: Sound file formats: Max. duration of measurement signals: As defined by WAVE-format Gain Compensation: Automatic Delay Compensation: Static Delay: Automated operation: Available Measurement Results: Maximum gain difference = ±60 dB ±1000 ms Automatic Delay Compensation ±10 s 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 (OMOSW0), Mean Opinion Score (MOS), silence weight = 0. 2 (OMOSW2), Mean Opinion Score (MOS), silence weight = 0. 4 (OMOSW4), 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, Trigger functionality, Printing and graph exporting functionality, 3 Additional Features: TECHNICAL SPECIFICATION FOR THE OPERATM SOFTWARE SUITE V3. 0 Includes official ITU voice samples for testing, Includes PESQ conformance test samples, Includes PSQM conformance test samples PSQM+ Measurement Description: Perceptual measurement of speech quality according to ITU-T rec. Includes highly optimized proprietary mapping from raw PSQM values to P. 800 Mean Opinion Score (MOS) scale. Results can be directly compared to subjective listening tests. PSQM+ is optimzed for severe distortions, such as packet loss and time clipping. P. 861 8 kHz and 16 kHz WAVE-files containing A-law, mu-law, linear PCM (8 or 16 bit) Algorithm standard: Sample rates: Sound file formats: Max. duration of measurement signals: As defined by WAVE-format Gain Compensation: Automatic Delay Compensation: Static Delay: Automated operation: Available Measurement Results: Maximum gain difference = ±60 dB ±1000 ms Automatic Delay Compensation ±10 s 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 (OMOSW0), Mean Opinion Score (MOS), silence weight = 0. 2 (OMOSW2), Mean Opinion Score (MOS), silence weight = 0. 4 (OMOSW4), 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, Trigger functionality, 4 Additional Features: TECHNICAL SPECIFICATION FOR THE OPERATM SOFTWARE SUITE V3. 0 Printing and graph exporting functionality, Includes official ITU voice samples for testing, Includes PESQ conformance test samples, Includes PSQM conformance test samples PSQM/IP Measurement Description: Same as PSQM and PSQM+. [. . . ] Detailed analysis of test signals through BS. 1387 model output variables (MOVs). BS. 1387 48 kHz (according to recommendation ITU-R BS. 1387), 44. 1 kHz Additional Features: PEAQ Algorithm Description: Algorithm: Sample rates: 6 TECHNICAL SPECIFICATION FOR THE OPERATM SOFTWARE SUITE V3. 0 Sound file formats: WAVE-files containing A-law, mu-law, linear PCM (8 or 16 bit) Max. [. . . ]