Anritsu Co.
Morgan Hill, CA 95046
Oct 12, 2009 As fully integrated solution, MT8855A measures audio performance of products using Bluetooth Advanced Audio Distribution Profile (A2DP), headset profile, and hands-free profile. It covers 20 Hz to 20 kHz range and establishes standard Bluetooth link with DUT to perform all key measurements - level, frequency response, and THD+N - via internal audio generators and analyzers. PC-based BlueAudio software, included, aids instrument setup and displays all results in Windows-style GUI.

Auralex Acoustics
Indianapolis, IN 46256
Sep 17, 2009 Room Analysis PLUS Kit provides tools needed to acoustically analyze any room: omni-directional microphone, USB drive with frequency sweeps, and instructions. When emailed to Auralex with room data, recorded WAV file is compared to original source file to derive Frequency Response, Impulse Response, Waterfall Plot, and Reverberation Time. Room Analysis Pro, also available, offers on-site analysis of room acoustics and sound quality. Reports are provided in 5-7 business days.

Audio Precision, Inc.
Beaverton, OR 97075
Aug 12, 2009 APx Series supports, via APx v2.4 software release, AG52 analog generator option that enables generation of clean square waves with rise time better than 2 µs. Also with AG52, it is possible to generate all popular DIM test signals to complement corresponding DIM distortion measurement capability in software. Other benefits include -110 dB typ THD+N rating and 26.66 Vrms (balanced) max output level. Additional software features further increase functionality.

Audio Precision, Inc.
Beaverton, OR 97075
Jul 23, 2009 With APx500 Series audio analyzer, audio engineers are able to test loudspeakers/PA monitors and drivers in various consumer products. Unit, which features interface that simplifies defining of time gate, automatically calculates key acoustic response measurements, with 14 graphed measurements returned in 6 sec. Synchronous averaging and Nth-octave smoothing are also included. Onscreen results can be printed to PDF or exported in table format for use in other applications.

Agilent Technologies, Inc
Santa Clara, CA 95051
Jul 14, 2009 Operating at DC and from 10 Hz to 100 kHz, single unit U8903A audio analyzer helps engineers and technicians measure audio performance in applications such as wireless audio, analog components and ICs, and consumer audio. It features 5.7 in. color display and one-button selection of major operating modes. Application note describing compatible equivalent commands and providing sample test programs comparing old R2D2 codes with U8903A SCPI commands appears in automated applications.

EXAIR Corporation
Cincinnati, OH 45249-1621
May 22, 2009 Digital Sound Level Meter can identify source of dangerously loud noise to help organizations keep noise levels below limits shown in OSHA Standard 29 CFR - 1910.95(a). Sound pressure measuring/monitoring device displays decibel readings on backlit LCD. Response time button provides choice of slow response measurements for stable noise measurement or fast for varying noise. Max Hold setting will measure maximum noise level and update continuously if louder sound is detected.

PCB Piezotronics Inc.
Depew, NY 14043 2495
Mar 23, 2009 Consisting of IEC-compliant condenser microphone and preamplifier system, ½ in. Model HT378B02 measures sound amplitude in Pascals and Decibels and performs frequency analysis. Low-noise, high-temperature system is suited for obtaining measurements in and around vehicle's engine, manifold, underhood, exhaust pipe, and other hot spots associated with powertrain and vehicle systems NVH testing.

Casella USA
Amherst, NH 03031
Mar 03, 2009 Designed for safety compliance and exposure monitoring, Model CEL-620B features 20-140 dB range, real-time octave band frequency analysis from 16 Hz to 16 kHz, and full-color LCD that presents overall noise levels in numerical and graphical formats. Up to 100 run results can be stored in internal memory and instrument can be connected to PC using integral USB interface. Unit can digitally measure sound level in factories, refineries, construction sites, or other industrial workplaces.

Cirrus Research plc
North Yorkshire YO14 0PH  United Kingdom
Jan 12, 2009 Capable of logging of up to 1,300 measurements, CK:821C Sound Level Meter Kit is supplied with everything required for noise measuring applications: CR:812C Sound level meter, calibrator, windshield, and Deaf Defier3 software. Optional weatherproof kit enables outdoor use for up to 7 days, and remote access is made possible via GSM modem. Available in Class 1 accuracy, mater complies with IEC 61672 measurement standard as well as IEC 60651 and IEC 60804.

Audio Precision, Inc.
Beaverton, OR 97075
Nov 20, 2008 Designed for APx audio analyzers, APx Digital Serial I/O option allows engineers to test audio devices at IC level rather than being limited to evaluating only external inputs and outputs of device. Module also allows all normal audio measurements to be carried out on A/D and D/A converters, codecs, DSPs, and sample rate converters. Unit supports variety of serial interface formats, and can generate and measure up to 8 audio channels simultaneously using TDM or multiple data lines.

Audio Precision, Inc.
Beaverton, OR 97075
Oct 15, 2008 Designed for testing automotive audio systems, APx521 and APx526 feature 4 analog inputs, 2 analog outputs, and one-click measurements. Model APx526 also includes 192K digital I/O, and both models offer typical THD+N of -108 dB at 1 kHz, 2.5 V. Users can define sequences of measurements with multiple signal paths, pass/fail limits, and automatically generated reports. Capable of taking 14 measurements in 7 sec, analyzers incorporate features for both bench and production testing.

Bruel & Kjaer
Norcross, GA 30071
Sep 26, 2008 PDA-based SoNoScout NVH incorporates 2 microphones mounted on pair of folding headphones for recording and analyzing binaural sound in vehicle applications. Recorded data can be analyzed on PDA, transferred to supplied PC software, or exported to other analysis systems. System simultaneously stores audio and positional data through included GPS device to allow route mapping while also allowing users to plot vehicle speed during recording.

GAO Tek Inc.
Toronto M1B2K4  Canada
Sep 22, 2008 Featuring automatic operation, GAO3984 can measure noise figure and gain of linear and quasi-linear networks. It covers frequencies from 10 MHz to 26.5 GHz and offers multiple test bandwidths (100/200/400 kHz and 1/2/4 MHz). Featuring user-friendly UI that facilitates configuration, PC Windows-compatible unit offers various ports for peripherals and can use third-party software for additional functionality and peripheral interfaces.

GAO Tek Inc.
Toronto M1B2K4  Canada
Aug 26, 2008 Able to locate line faults in cables such as POTS and xDSL, GAO5221 xDSL Subscriber Loop Analyzer test capabilities include Vac/Vdc for twisted pair copper cable, resistance, ac/dc current, capacitance, frequency response, noise, and coil load. Unit can measure maximum available bit rate supported by local loop without need of xDSL modem, and locate bridge taps, shorts, and opens.

Audio Precision, Inc.
Beaverton, OR 97075
May 28, 2008 Suited for R/D engineers and production technicians, APx525 and APx520 offer one-click measurements, automated measurement sequencer, and continuous sweep technology that can derive 14 measurements in 7 sec. Model APx525 has 2 balanced and 2 unbalanced analog I/O in addition to 192K DIO, while APx520 has equal performance and as many analog connectors but no DIO. Both can generate signals down to 0.1 Hz and enable CMRR measurements in accordance with IEC60268 section 14.15.1.

Larson Davis, Inc., A PCB Group Co.
Provo, UT 84601
Apr 21, 2008 Offered as HIPPA-compliant, Internet-based service or on-site application, CORTI® can be used as part of Hearing Conservation Program to lower employee risk of noise-induced hearing loss. With 5 years of known good data, audiometric trend analysis can be executed, which establishes baseline program performance. Software not only manages employee exposure and audiometric records, it applies analysis algorithms that generate key performance metrics for benchmarking and improving effectiveness.

Data Translation, Inc.
Marlboro, MA 01752
Mar 26, 2008 Powered via USB connection to PC/laptop, DT9837A has 4 independent 24-bit IEPE sensor inputs synchronized with tachometer input to provide data streams matched in time for field or laboratory use. Read-back channel from analog output ensures correlation of all signals with input stream, output stream, and tachometer. Different modes allow measurements of rotation speed as well as precise tachometer pulse phase measurement with resolution of 37 ns or 0.002°.

Audio Precision, Inc.
Beaverton, OR 97075
Jan 23, 2008 Along with v2.1 measurement software, APx500 Series facilitates automation in audio test with Measurement Navigator, which lets users build sequence of measurements across multiple signal paths with operator prompts, customized pass/fail limits, calls to external applications, and automatic graphic reports. Also included, DIO module provides AES/EBU connectivity, switcher support that extends potential channel count to 192 (in and out), as well as various audio measurements.

Quest Technologies Inc.
Oconomowoc, WI 53066 4828
Sep 14, 2007 Designed for measuring personal noise exposure, The Edge is powered via rechargeable lithium polymer battery and offered with 1 or 5 bay docking stations. Shoulder-mount instrument conforms to worker's body and maintains upward orientation for ¼ in. microphone with screw-on windscreen. Device supports automatic downloading, via docking station, to QuestSuite Professional II for analysis of measurement data. Datalogging and time history is also available via integral LCD.

Sciemetric Instruments Inc.
Ontario K2K 2P5  Canada
May 04, 2007 SigPOD NVH (noise, vibration and harshness) and SigPOD Torque testers are driven by process signature verification technology that captures and analyzes entire waveforms and transforms raw data into actionable information. QualityWorX manufacturing intelligence software utilizes acquired data to report on quality and to enable continuous process improvement by detecting and analyzing root causes of defects and solving problems in production processes.