X-TEL Communications Inc. XQi Audio Quality

XQi Audio Quality System

XQi screen display and XQi Module X-TEL’s XQi audio quality system objectively evaluates the quality of speech audio signals based on modeling of the human ear. The XQi system is based on PESQ (ITU standard P.862), the industry standard methodology for measuring Speech Quality. X-TEL’s XQi platform ensures that you will obtain proven, accurate and repeatable results.

The XQi module is technology independent supporting all major technologies, including WCDMA, GSM, CDMA/CDMA2000, iDEN, PTT/PoC and VoIP. We invite you to take a look at one of the newest additions to our Xi test platform. Should you need more information or a product evaluation, please contact us.

Why X-TEL chose PESQ?

XQi System Highlights

Utilizes ITU Approved PESQ Algorithm.
Objective / MOS subjective.
High accuracy / High MOS index.
Measures Uplink and Downlink Quality.
Both Disturbance Processing and Cognitive Modeling.

Voice quality scoring based on ITU P.862 standard: PESQ.
Monitor, record, and plot voice quality scoring and metrics in conjunction with all phone data and events for indepth evaluation of system performance.
Auto call generation.
Multiple phone connection support.
Multiple technology support.
Real-time and playback plotting of voice quality scoring via X-TEL’s Rush Street.
Spectrogram display of the speech audio signal.


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