Atec Rohde-Schwarz-UPV - Manual (Page 24)

Version 03.00, August 2011
24 Rohde & Schwarz R&S ® UPV Audio Analyzer
Remote control (R&S
®
UPV-K4 option)
Enables remote control via IEC 625-2 (IEEE 488), LAN and USB.
Commands largely compliant with SCPI.
Extended analysis functions (R&S
®
UPV-K6 option)
Rub & buzz measurement simultaneous measurement of frequency
response, rub & buzz and polarity
Frequency range 20 Hz to 80 kHz
Tracking highpass filter 2 to 20 times fundamental frequency
Lower/upper frequency limit selectable
1/n octave analysis
Frequency range
20 Hz to 20 kHz
at center frequency ±0.2 dB Level error
20 Hz to 20 kHz ±1.0 dB (EN 61260, class 0)
Undersample FFT FFT resolution is improved while reducing
the measurement bandwidth
Undersampling factor up to 1024
Highest resolution bandwidth 0 Hz to 23 Hz 0.18 mHz
PESQ
®
measurement (R&S
®
UPV-K61 option)
16
Perceptual evaluation of speech quality in line with ITU-T recommendation P.862,
862.1 and 862.2
Numeric results PESQ score,
MOS-LQO narrowband and wideband,
average delay
Graphic displays (versus time) PESQ score, MOS-LQO, delay, dropouts,
reference signal and degraded signal
PEAQ
®
measurement (R&S
®
UPV-K62 option)
16
Perceptual evaluation of audio quality in line with ITU-R recommendation
BS.1387
Numeric results ODG (objective difference grade),
DI (distortion index),
average delay
R&S ® UPV-B3 option required for dual channel analog signals.
POLQA
®
measurement (R&S
®
UPV-K63 option)
16
Perceptual objective listening quality
analysis in line with ITU-T recommendation P.863
Numeric results narrowband or super-wideband MOS-LQO,
level,
attenuation,
SNR (signal to noise ratio),
ASR (active speech ratio),
delay (average, minimum, maximum)
Graphic displays (versus time) MOS-LQO, delay,
reference signal and degraded signal
16 PESQ ® , PEAQ ® and POLQA ® are registered trademarks of OPTICOM Dipl.-Ing. M. Keyhl GmbH, Germany.