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Voice Quality Testing
Examine spoken sound quantitatively.
See Also: POLQA, Voice Quality Test, VQT, QoE
- Omnicor
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IP Performance Testing Tools
Ethernet switches, routers and gateways have their distinct purposes and it is important to test their performance well. During R&D and DVT products are usually tested on L2/L7 while in production basic L2/L3 tests are usually sufficient. For those who follow testing methodology RFC 2544 and RFC 2889 are also available.IP traffic packet generators/analyzers for 10/100/1000 Mbps, gigabit and 10 gigabit with PoE options are the most important test instruments to ensure Ethernet switch or router product quality is verified. Gigabit TAP analyzers, media convertors, production test software suites and Ethernet cable emulators are additional tools used in conjunction with stream generators to help ensure fast development cycle and high quality. Our IP performance test systems are economic and known worldwide for excellence in quality and service support.
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Voice Quality Solutions
Wireless networks can impair voice, video, and data quality by various means including poor mobile phone quality, voice compression and decompression algorithms, video compression and decompression algorithms, delay, loss or gain in speech levels, noise, acoustic and landline echo, and other distortions. GL provides a compact and portable solution for Wireless Devices, and Mobile Radio testing.
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Voice Quality Solutions
Communications is dramatically changing right now, as “mobility” and “IP” technologies such as LTE, Advanced LTE, WiMax, 3G, and Broadband Internet, lead this transformation. As these technologies are rolled out, basic voice/video/data quality will ultimately determine the fate of carriers and end equipment manufacturers. Simple and effective methods of testing voice, video, and data are sorely needed - GL’s Voice, Video, and Data Quality Test Solution provides this flexibility of connecting to and between any network, any service, and any interface.
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Anite SAS Interoperability Testing
Access advanced platform for network simulation, currently used by major Tier 1 carriers in their device acceptance programsAccelerate the introduction of new mobile devices with cost-effective, controllable, repeatable and automated lab-based testingQuickly evaluate devices in the integration, interoperability testing and carrier acceptance testing phasesConduct rigorous device testing to achieve superior experience in terms of functionality and quality of voice and data transferTest data performance under fading conditions using the internal fading capability to enable comprehensive performance testing
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Voice Quality Test
POLQA
POLQA is the next-generation voice quality testing technology for fixed, mobile and IP based networks. POLQA was standardized by ITU-T as P.863 and can be applied for voice quality analysis of HD Voice, 3G and 3G/LTE networks.
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Telephony Conformance Analyzer
TCA 4100
Acoustics and voice quality conformance testing for cellular including VoLTE, digital, and analog phones. TCA 4100 is an automated & affordable voice quality & acoustics conformance test solution. A wide range of handset and hands- free phones such as VoIP, DECT, Wi-Fi, Bluetooth, cellular, analog, telephones, audio devices and hearing aids are supported.
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Quality Measurement Tools for Voice, Audio/Visual and Data Payload analysis
PEXQ
PEXQ is OPTICOM’s latest product for Windows offering a 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 measure quality of service. PEXQ is founded on well established internationally standardized measurement algorithms such as PESQ (ITU-T Rec. P.862, P.862.1 (narrow band), P.862.2 (wide band); Perceptual Evaluation of Speech Quality) and completely new metrics for video quality testing like PEVQ (Perceptual Evaluation of Video Quality).
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VoIP Testing
VQuad™
Testing on the extreme end-point of a VoIP softphone network has become a priority for many service providers. This method of testing represents what an end user is actually experiencing. Voice quality testing within VoIP networks is growing; a major concern is testing VoIP softphones that will be used with VoIP networks. GL’s VQuad™ with VoIP option along with Voice Quality Testing (VQT PESQ) software provides the ability to perform manual or automated Wideband audio tests using HD codecs on the VoIP network.
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Non-Intrusive voice Quality Analyzer
NIQA
The most known methods for quality evaluation of voice transmission systems were developed by Telecommunication Standardization Sector of International Telecommunications Union (ITU-T) in the middle of 90-s. Results of this work are presented in Recommendation P.800 (P.830) «Methods for subjective determination of transmission quality» [1, 2]. This document describes conditions for voice quality testing, audio contents, scoring and methods to evaluate results. Typically “Methods for subjective determination of transmission quality” are used to obtain mean subjective quality score according to five-digit scale (Mean Opinion Score – MOS).
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End-To-End Performance Testing
IxLoad Wireless
Keysight Network Applications and Security
IxLoad Wireless enables mobile operators and equipment manufacturers to test and validate complex wireless networks and components for greater end-to-end service quality. This “lab to live” LTE testing solution recreates networking environments and real-world subscriber traffic, such as voice, video, and data. At the same time, it emulates multiple mobile subscriber activities—including handovers, TAU, and idle-connected transitions—for comprehensive test coverage. Whether modeling the behavior of thousands of subscribers or measuring end-user experience, IxLoad enables mobile operators to fast-track new networks and services with confidence.
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Nemo Walker Air
Nemo Walker Air provides you with the best real-time measurement and benchmarking. Nemo Walker Air's extensive application testing features offer full application-level metrics on-voice calls, voice quality, FTP/HTTP data transfers, Iperf, HTML browsing, YouTube streaming, Facebook testing, LinkedIn testing, Twitter testing, Instagram testing, email testing, SMS & MMS messaging, and ping. Versatile Indoor Benchmarking for all wireless technologies
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Video Quality Testing and Monitoring System
Net-Mozaic
The Net-MOZAIC can be used as a stand alone product or an integral part of our Net-xTVMS system. The Net-MOZAIC is normally located at the Head End with access to unencrypted TV channels. Customers define groups of 16 channels at the time. They are then decoded and analyzed for picture quality. Hundreds of channels can be analyzed this way on the round robbin.
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Advanced Voice Quality Assurance System
AVQA
R&S®AVQA is a non-intrusive voice assurance system that provides many integrated monitoring functions for ATC communications systems. These functions include:Quality assurance reports to CAAType acceptance of new IP systemsLive information about disturbance to ACC adminVoice quality report on ANSP interconnection (e.g. NewPENS)Network quality reporting
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Mobile Handset Voice Quality Test System
BK9024
If you need to test cellphones, the BaKo Type BK9024 is fast and switches between up to 8 phone chambers at once, making it a great choice for quality control on your production line.
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Telemetry Voice Announcing System
HTS-Voice
Designed to fit on the handle of all Hitec radios, this system audibly provides telemetry data via speakers or earphones.
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Performance And Quality Testing
Underwriters Laboratories Inc.
Our endless pursuit of the truth helps you provide trustworthy answers to questions about products, processes, facilities and systems. Our testing, certification and verification services—and the UL Mark—provides regulators, purchasers and consumers with the information they rely on to confidently make the decisions that impact your business. Our quality assurance checks help to ensure that components and products meet your—and your stakeholders’—demands.
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Quality Assurance
Exploratory Test Code Coverage
Exploratory testing is simultaneous learning, test design, and test execution of critical areas in the application. It is an efficient method to provide rapid feedback and uncover critical bugs in newly released features. As these tests are manual and their execution duration is longer and more expensive, it’s important to minimize overlap with other test types. Gain visibility into which code areas are being tested with manual and exploratory tests to improve team efficiency and speed.
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Water Quality Testing Instrument
GDYS-101SC
Water quality analysis meter, single element. Each model can test one element contained in water.
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Vehicle Interior Air Quality Testing
Underwriters Laboratories Inc.
Hundreds of volatile organic compounds (VOCs), which off-gas from the materials and finishes used in car interiors, can be present in the air inside a new vehicle. VOCs can cause odor complaints and have been linked to numerous health concerns. As the demand for healthier products increases, vehicle manufacturers that tell a compelling sustainability story can capitalize on a significant opportunity to grow market share. UL helps manufacturers capture value for their sustainability efforts, mitigate risks and comply with increasingly complex regulations.
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Versatile quality control testing system
QuickSun® 550Ei
QuickSun 550Ei is a versatile testing system for qualifying of PV modules with dimensions up to 105 x 205 cm2. Basic set up includes a top class solar simulator which measures modules in sunny side up position enabling e.g. soiling simulations. Several additional measurement methods can be integrated to the same system including high resolution EL imaging with analysis software from one of the most recognized EL system suppliers. Also hot spot revealing IR images can be recorded by applying either forward or reverse bias current, and true nA scale leakage current measurements can be performed with sensitive enough instruments.
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Multi-Channel Voice Communications Platform
Mercury ES
Mercury ES is a multi-channel voice communications platform that operates on LANs/WANs over terrestrial or satellite-based IP networks offering global coverage. Users access the system via browser-based control panels with up to 256 call buttons and an impressive 32 channel capacity.
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Air Quality
IMR Environmental Equipment, Inc.
Compact and lightweight single/multi gas detectors. That continuously measures combustibles and other toxic gases in ambient air.
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Voice Systems for Safe, Secure, & Efficient Communications
Rohde & Schwarz offers flexible and cost-effective communications system solutions that meet all scalability and reliability requirements for civil and defense use cases regardless of the application domain - in the air, on the ground or at sea Multi-redundant, IP based voice communications systems ensure safe, secure and efficient voice communication, combining state-of-the-art, flexible and resilient IP based architecture with strong security mechanisms.
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Sky Quality Meter
SQM-LU
A USB SQM model for night-time sky brightness monitoring! An affordable meter for continual, connected measuring of sky brightness for astronomers! The "Sky Quality Meter - LU" measures the brightness of the night sky in magnitudes per square arcsecond.
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Power Quality Analyzers
Each model is designed to meet the needs of the intended measurement task, with safety ratings that match your particular environment. Available accessories ensure, safe, reliable hook-up and environmental protection guards against the levels of dust and moisture that you''re likely to come across when deploying the analyzer. Finally, each product''s application software makes downloading, analyzing and reporting power quality data as efficient as possible.
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Power Quality Meter
EPM 9650
The EPM 9650 is GE's most advanced 9000 meter with advanced power quality capability and waveform recording functions. The unit utilizes ACCU-Measure(R) Technology to provide highly accurate revenue grade readings coupled with advanced data analysis.
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Video Quality Measurement
VQLab
VQLab is a fast, reliable and cost-effective tool for assessing the quality of your processed video. With native support for a wide range of video formats. VQLab uses the PSNR, SSIM and CZD metrics in order to provide an accurate, objective measure of the video quality. The metric data generated can be easily displayed, sorted, filtered, compared, visualized and exported.
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Power Quality Analyzer
High-precision Power Quality Analyzer and MeterThe Dewesoft power quality analyzer can measure all the power quality parameters according to IEC 61000-4-30 Class A. In comparison to other power quality meters ours are able to do more detailed power quality analysis. Raw data storing, behavior at faults, calculation of additional parameters, etc.
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Air Quality Meters
An indoor air quality meter is used in confined spaces to prevent mold, to monitor CO2 levels, or to detect gas leaks. Whether portable or fixed, handheld or wall mounted, air quality monitoring equipment is essential for ensuring health and safety. At PCE Instruments, you will find air quality monitoring devices that meet various industry standards relating to personal safety and that are used to detect, measure and monitor relative humidity, ambient temperature and / or levels of carbon dioxide (CO2), volatile organic compounds (VOCs), formaldehyde (HCHO), freon and other refrigerants (CFC / HFC), phosphine (PH3), hydrogen sulphide (H2S), carbon monoxide (CO), nitrogen dioxide (NO2), oxygen (O2), ozone (O3) and other flammable, hazardous or toxic gases.
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Air Quality Analysis
Ambient Gas Monitoring: We offer a variety of analyzers for the ambient monitoring of the criteria pollutant gases, including CO, NOX, SO2, and others such as CH4 and CO2. Source Gas Monitoring (Emissions Monitoring): Experience reliable measurement in your process for emissions compliance every time.Ambient Particulate Monitoring: Experience our monitoring technology and gain the power to do more than just inform.Emissions Calibrators: For continuous monitoring of mercury in exhaust stacks, waste incinerators, and cement kilns, or multi-gas models to control the calibration of gas concentrations.
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Quality Of Service
Traffic is prioritized according to its importance and some types of traffic are more sensitive to latency, jitter and packet loss than other. Xena offers QoS validation solutions in accordance with RFC 2544 and Y.1564, as well as advanced statistics functions that help users track, analyze and troubleshoot QoS to maintain a high service quality guarantee. Testing that link performance complies with a Service Level Agreement (SLA) includes verifying Frame Transfer Delay (FTD), Frame Delay Variation (FDV) and Frame Loss Ratio (FLR) at the Committed Information Rate (CIR) defined in the SLA. Verifying the SLA with the Xena1564 allows doing the test on a line simultaneously loaded with traffic from other services.
