PESQ

The GL VQT utilizes three widely accepted algorithms to perform the voice comparisons, the Perceptual Evaluation of Speech Quality (PESQ LQ/LQO) per Rec. P.862/P.862.1, the Perceptual Analysis / Measurement System (PAMS) per Rec. P.800, and the Perceptual Speech Quality Measurement (PSQM) per Rec. P.861. PESQ provides an objective measurement ...more

The Hammer Voice Quality Test Suite is a software-based solution for measuring the voice quality of next generation gateways and networks. It provides extensive Quality of Experience (QoE) metrics including: voice quality scoring algorithms (PESQ (ITU P.862), PAMS, PSQM (ITU P.861), PSQM +, & MOS correlation), Voice Activity Detection meas ...more

Inline Telemanagment Platform uses modern algorithms to calculate Voice Quality on intrusive test calls (TCS) or non-intrusive monitored links (Network Monitor). Inline uses the NIQA algorithm in the TCS system for test calls to far destinations, measuring MOS scores without a reference voice in the far end. Inline uses the PESQ algorithm in the TC ...more

The PDS Clarinet test system is a very well respected and established solution for a wide range of protocol analysis, simulation and development applications. Physical interface pods are available for E1/T1, S/T-U and LAN (Ethernet 10/100 Mbit/S). The Clarinet system includes a Run-Time software license and Clarinet pod(s) supporting the relevant i ...more

The Speech Performance Analyser delivers: Predictions of Speech Quality using one or more objective evaluation metrics including PESQ ITU-T Recommendation P.862/P.862.1; Mean Active Speech Level and Activity Factor for reference and degraded speech files to ITU-T Recommendation P.56, Method B; Noise in the presence of speech; Peak levels. ...more

PESQ is the most accurate speech quality standard against which many other speech quality algorithms are compared. It measures the effects of distortions such as noise, delay, and front-end clipping to model and predict subjective quality. It produces voice quality measurement scores based on the ITU Mean Opinion Score P.800.1 (MOS) scale which ...more

SOLVER is a high-performance load and stress test tool for PSTN, 2G, 2.5G and 3G telecommunications networks. It provides the ability to simulate a Radio Access Network (RAN) for GSM/GPRS and UMTS with a huge number of connected mobile subscribers providing load to the Core Network. Polystar T&M has added new functionality to the PESQ feature in SO ...more

Metrico Wireless Muse is a complete system for the evaluation of wireless handset voice quality performance. The Muse system consists of both hardware and software, designed to characterize handset device performance as perceived by the mobile consumer. The system efficiently manages the repetitive audio sourcing and recording process and provides ...more

Complete portfolio of quality measurement tools for voice, audio/visual and data payload analysis based on human perception. PEXQ provides mandatory features in the area of R&D for the development of new multimedia codecs as well as for multimedia equipment manufacturers. Besides lab testing PEXQ is also ideal for network operators and carriers to ...more

ULTRA Voice™ is a many-terminal to many-terminal voice system tester ideal for evaluating complex wireless systems such as Project 25 (P25) land mobile radio and cellular push-to-talk (PTT). All calls are analyzed using the ITU P.862 Perceptual Evaluation of Speech Quality (PESQ) objective voice quality algorithm. The PESQ score can be mapped to a ...more

Flexible. Modular. Scalable. The DCT2000 test system consists of both hardware and software elements and can be reconfigured and expanded as your testing needs change. The DCT2000 provides more than just simple top-level traffic diagnostics. It also supports the complex lower layer analysis essential for full protocol stack testing. Support uti ...more

QoE Systems’ Q-Master Voice System measurers the speech quality aspects of communication devices or channels. Q-Master uses perceptual analysis capabilities as defined by PESQ (ITU-T P.862). The result of the measurement is a MOS (Mean Opinion Score); to interpret end-to-end quality of speech. Interfaces are Ethernet, FXO, FXS, Line, etc. ...more

Benchmark, optimization, and network planning support for all major wireless technologies including HSDPA, WCDMA, EDGE, GPRS, GSM, EV-DO Rev A, CDMA2000®1X, iDEN, and IS-136. Voice Quality (MOS) and packet data measurement solutions for all wireless technologies that allow carriers to objectively gauge Qos levels against their competitors'. Post-pr ...more

Simulate thousands of users with REAL video and voice and verify how all the streams are affected by the system. MediaBlaster create the load and performs quality measurements of video and voice. PESQ measurement for Voice Quality on all channels simultaneously. Video: H.263, 264, MPEG-4. Audio: G.711, AMR-NB. Signaling: ISUP, Q.931 ...more

Azimuth provides a PESQ tool kit solution that allows for testing of voice quality over various types of Wi-Fi scenarios. PESQ measurement use real voice audio to measure speech quality and will enable the tests to directly correlate Wi-Fi performance to the user level experience. This PESQ tool can automatically calibrate for independent audio out ...more

The Rochelle Model 3540 PESQ Option performs end-to-end voice quality measurements on PSTN & VOIP networks and telephones by either of two methods: A two-wire 600-Ohm FXO port that simulates ideal telephony equipment ; A Handset Emulation option that interfaces to the handset port of a PSTN or VOIP phone. ...more