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Audio
electrical conversion of a sound pressure wave.
See Also: Sound, Ultrasound, Infrasound, Reverberation, Acoustic, Video, AV
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Digital Video Recorder
Elbit Systems of America is the industry leader in video, audio, and data recorder's for fixed and rotary platforms. Our compact Digital Video Recorder (DVR) enables recording video and audio channels on a solid state memory cartridge. Based on commercial off-the-shelf components, the DVR complies with stringent airborne data recording and mission debriefing requirements. Each DVR’s advanced design has no moving parts assuring high reliability in all conditions. With built-in growth potential, it is configurable from one to four video channels and can accommodate additional communications. The unit operates as a stand-alone system or integrates with existing systems and upgrade programs. Elbit Systems of America provides advanced solutions for the following fixed-winged and rotary platforms:
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DSP And Power Amplifier
DMPA12
The DMPA12 is a powerful digital audio processor and multi-channel power amplifier combined into a single rack space component designed to work with DM Series processors. The design represents a milestone in DSP technology in its basic architecture and in its processing speed and efficiency. The primary applications are sound reinforcement and teleconferencing in boardrooms, courtrooms, worship centers, distance learning systems, hotels and other applications with multiple microphones and loudspeakers. The design is ideally suited to mix-minus sound reinforcement systems.
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Digirator
DR2
The Digirator DR2 is a reference-grade digital audio signal generator with transformer-balanced AES3, S/PDIF, TOSLINK and ADAT outputs. The generator offers a wide range of test signals like sine, pink noise, white noise, polarity, delay, chirp and sweep.
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Synthesized UHF Belt-Pack IFB Receiver
IFBR1a
Wireless IFB (interruptible fold back) systems are used for talent cueing and crew communications in broadcast and motion picture production. In other cases, the IFB system is used by directors and other management to monitor program audio during a production. The IFB R1a receiver provides simplicity and flexibility in a package that is intuitive for untrained users to operate.
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2 Port T1/E1/PRI + 4 Port FXS PSTN
CH-4FXS-MOD-2PRI
One of the most feature rich PSTN simulator on the market. Unit has 4 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, V.90 modems, RAS servers, audio conference bridges or anything that requires analog phone lines. 2 port T1/E1/PRI module provides non-blocking switching among FXS ports and any of T1/E1/PRI B-channels or Time slots.
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Handheld Digital Video Generator and Analyzer
780C
The Teledyne LeCroy quantumdata 780C is a handheld digital video generator and analyzer that enables you to run tests on various digital video devices and network distribution devices on site or in the R&D lab. The 780C instrument provides a 7 inch color touch screen for operation and for viewing status of outgoing and incoming video and audio. The 780C is equipped with multiple interface types including HDMI, HDBaseT, 3G-SDI and component analog. Testing digital interfaces is supported by both an output port and an input port to allow testing of digital video sources, displays, audio devices and distribution devices. Testing hybrid converter devices supporting 3G-SDI, HDMI, HDBaseT distribution networks is a key application of the 780C as well.
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Isolation Transformers 230V
PeakTech Prüf- und Messtechnik GmbH
Due to the high safety requirements in service workshops, schools and industry, an isolating transformer is an absolute prerequisite for carrying out professional repair work. Galvanic isolation between primary and secondary voltage during measurements and repairs on open devices guarantees a high safety standard for the user. Of course, galvanic isolation from the mains voltage also offers other advantages in electronics development, audio technology and many other areas.
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The AudioTools Platform
AudioTools is the heart of the most comprehensive audio and acoustics test & measurement platform available today. With AudioTools, you can perform quick ad hoc measurements using only the iPhone in your pocket, or you can plug a Type 1 microphone into iAudioInterface2 for a full-featured professional test & measurement platform that meets ANSI and ISO specifications.
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HDMI Audio Extractor with Audio Amplifier, RS-232 and IP Control
EMX-I-AMP
The EMX-AMP is a 4K HDMI Audio Extractor with built-in 50 watt audio amplifier for direct connection of 8 ohm speakers. The device also provides line-level stereo Aux audio input and allows audio mixing of HDMI audio with the Aux input. Volume can be controlled from the front panel, RS-232, or external digital rotary pot (encoder) that can be mounted on a wall-plate.
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Digital Wattchman Monitor/Alarm Systems
Model 91091
The Coaxial Dynamics 'Digital Wattchman' Rack Mounted Station Monitor/Alarm is similar in function and appearance to our 81090 Series except it is designed for the accurate measurement of complex RF Waveforms such as CDMA (Code Division Multiple Access), DAB (Digital Audio Broadcast), DTV (Digital TV) and HDTV (High Definition TV), as well as CW, AM and FM.
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Audio Monitoring
Mini-Mon3
“Touch Latch” selection between 4 input Groups provides Flyaway, Mobile Kit, Edit Suites and CARs with comprehensive and cost effective monitoring facilities. The miniature "Type 19" meter movements that are fitted in this 1 U Unit boast a surprisingly large 42 x 20 mm scale which enables practical viewing at distances in excess of 2. The Movements have a very slightly relaxed specification which closely emulate the full-sized BS 6840 meters, which have now been withdrawn by their Torquay manufacturer. Note that Murraypro’s COMPACT PPM range continues to offer ‘full sized’ PPM metering.
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DC Detector
This sensor can be used to troubleshoot any DC circuit with voltage ranging from 6-50 volts DC. It features an audio and visual alert and a sharp, rust-proof, stainless steel tip that works great for penetrating insulated wires. This sensor also features an extended ground lead with an extra-large alligator clip to ensure a good connection.
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Compact Monitoring Unit
EZ-MON HD (TV Mon+ Metering)
Evolving from the earlier Murraypro EZ-MON, our HD/SD model retains the same popular and robust format, but offers a wealth of new features and enhancements for today's busy TV Professional. “Touch Latch” selection between SDI and CVBS sources ensure that that the EZ-MON HD, with it's comprehensive and cost effective monitoring facilities is at home in Flyaway Kit, Mobile, Edit Suite and CAR applications. The 5" high resolution LCD panel gives a bright clear image, whilst the amply powered stereo loudspeakers enable effortless monitoring, with a headphone output for privacy or noisy environments. A unique feature of the compact 2U, self-contained Murraypro EZ-MON HD, is the choice of 3 different audio metering strategies; select between the Audio Histogram, PPM or VU options.
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Mini Bug Detector II
P7050
Peace of mind is now within your reach. The Mini Bug Detector™ offers state of the art protection against wireless microphones and transmitters. Perfect for securing homes, offices and hotel rooms, the unit not only detects such devices, its LED display and audio tone actually pinpoint the precise location of bugs. The audio alarm can be turned off for discreet sweeps, while the unit’s sensitivity adjustment minimizes false alarms. The Mini Bug Detector™ features wide range circuitry that enables it to detect concealed transmitters operating on frequencies from 50 MHz to 3 GHz, exposing most high frequency transmitters as well as more common VHF and UHF bugs. You didn’t know they were listening…until now.
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Audio Test
Our Sound Tests will help you to intuitively benchmark your audio Equipment and loudspeakers E , your listening environment and room Acoustics A or your Hearing H without any other device required. In these tests, your ears will be your best judge.
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Thermo-Hygrometer
C3121P
Thermometer, hygrometer is designed for direct measurement of temperature, relative humidity for compressed air up to 25 bars with 1m cable. Audio and optical alarm of measured values. Memory of minimum and maximum measured values. Function Hold - manual storing of actual values for later displaying.
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High-Power Digital Wattmeters
The Coaxial Dynamics High-Power Digital Wattmeters are designed for the accurate measurement of complex RF Waveforms such as CDMA (Code Division Multiple Access), DAB (Digital Audio Broadcast), DTV (Digital TV) and HDTV (High Definition TV), as well as CW, AM and FM.
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PCI-4461, 204.8 kS/s, 118 dB, 3.4 Hz AC/DC Coupled, 2-Input/2-Output Sound and Vibration Device
779307-01
The PCI‑4461 is a high-accuracy data acquisition module specifically designed for sound and vibration applications. It provides simultaneous two-channel dynamic signal generation and simultaneous two-channel dynamic signal acquisition with six gain settings to configure the input range. The PCI‑4461 also includes software-configurable AC/DC coupling and integrated electronic piezoelectric (IEPE) conditioning to ensure precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. Common applications include audio test; automotive test; noise, vibration, and harshness (NVH) analysis; and machine condition monitoring.
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Acoustic Noise Generator
ANG-2200
The ANG-2200 Acoustic Noise Generator creates a perimeter of noise that defeats acoustic leakage eavesdropping devices including wired microphones inside walls, contact microphones, audio transmitters located in AC outlets, and laser/microwave reflections from windows.
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3.5" Embedded SBC With Intel® Pentium® Processor N4200 & Celeron® Processor N3350, VGA/LVDS, Dual LANs And Audio
CAPA318
The CAPA318 features the Intel® Pentium® processor N4200 or Celeron® processor N3350 (codename: Apollo Lake) with low power consumption. The integrated 3.5-inch embedded board is highly expandable and customizable. It comes with RS-232 ports, USB 3.0 ports, USB 2.0 ports, IN/OUT digital I/O ports, VGA port, LVDS port, and Gigabit Ethernet ports with Intel® i211AT Ethernet controller. For storage needs, the CAPA318 provides one SATA-600 socket and one mSATA interface. Additionally, Its compact and fanless design makes it perfect for use in space constricting environments. Additionally, the 3.5” single board computer can handle a wide operating temperature range from -20°C to +70°C (-4°F to +158°F) and requires +12V DC power input to ensure operational stability in a variety of harsh environments. This cost-effective 3.5” embedded motherboard is suitable for IoT/M2M related applications, industrial control, self-service terminals, digital signage, POS/kiosk displays, just name a few.
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SparkFun I2S Audio Breakout
MAX98357A
The SparkFun I2S Audio Breakout board uses the MAX98357A digital to analog converter (DAC), which converts I2S (not be confused with I2C) audio to an analog signal to drive speakers. The I2S Audio Breakout converts the digital audio signals using the I2S standard to an analog signal and amplifies the signal using a class D amplifier which can deliver up to 3.2W of power into a 4Ω load. The board can be configured to output only the left channel audio, right channel, or both.
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Transmitter (Export Only)
SMB
The input section features the unique servo bias input circuitry with a standard TA5M type jack for use with electret lavaliere mics, dynamic mics, or line level signals. A DSP-controlled analog audio limiter is employed before the A-D converter. The limiter has a range of more than 30 dB for excellent overload protection and a dual release envelope that makes the limiter acoustically transparent while maintaining low distortion. The limiter recovers quickly from brief transients, with no audible side effects, and also recovers slowly from sustained high levels to keep audio distortion low while preserving short term dynamics.
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NTSC PATTERN GENERATOR
PG-38
Model PG-38 NTSC Pattern Generator can be use to quickly and easily troubleshoot, test, and align NTSC television. Features a wide selection of popular video patterns including Color Bars, Crosshatch, Dot, Staircase, Circle, Center Cross, Window, and Raster for accurate and comprehensive TV troubleshooting and testing. Supports both progressive and interlace scanning system. Composite video and S-Video output. RF video output on Channel 3 with 1KHz audio tone for audio troubleshooting. User friendly interface for easy operation.
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mAEStro Audio Analog to Digital Converter
The mAEStro AADC-100 accepts balanced stereo analog audio inputs and converts them into a single digital bit stream in compliance with the AES/EBU (AES3) and S/PDIF digital audio standards. It generates 24-bit values and uses 128 times over-sampling for extremely accurate and linear analog to digital conversion, as well as offering a high dynamic range with exceptionally low total harmonic distortion and noise.
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Video Test Generator
701A
If you’re testing digital or analog computer monitors, video projectors, multimedia monitors, or TVs, the 701A Video Test Generators provides the signals, test patterns, and audio to do your job, easily and accurately. Field technicians and factory people on the move will appreciate the convenience of battery power and small size. The 701A Video Test Generator is designed to go where you go.
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Full-spectrum Acoustic Logger
AudioMoth
AudioMoth is a low-cost, full-spectrum acoustic logger, based on the Gecko processor range from Silicon Labs. Just like its namesake the moth, AudioMoth can listen at audible frequencies, well into ultrasonic frequencies. It is capable of recording uncompressed audio to microSD card at rates from 8,000 to 384,000 samples per second.
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Pico-ITX SBC With Intel® Pentium® Processor N4200 & Celeron® Processor N3350, LVDS And LAN
PICO313
The PICO313 features the Intel® Pentium® processor N4200 or Celeron® processor N3350, aim at the entry-level market. It runs fanless, supporting +12VDC power input, slim I/O and extended temperature range. The Pico-ITX motherboard has one 204-pin DDR3L-1867 SO-DIMM socket with up to 8 GB memory. One full-size PCI Express Mini Card slot with support of mSATA and one half-size PCI Express Mini Card slot are available on the rear side of the board. Additionally, a pair of expansion connectors provides signals for one PCIe lane, one LPC, one DDI, four USB 3.0 ports, one SMBus, and one HD audio to meet different communications needs.
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Environmental Chamber
REXMED REC-200
MOD. REC-200, AC 230/380/415V, 1/3 phase, Environmental chamber, HS CODE: 841989, UNCCS CODE: 484384, UMDNS CODE: 16327, Main construction: SS304, Interior: SS304, Exterior: SS304 powder coated, Insulation: Rigid polyurethane foam and glass wool, Controller: Fix point PID controller, temperature ˚C/PV and ˚C/SV, humidity %/PV and %/SV display and setting, Temperature range: -20˚C~100˚C, Humidity range: 20%RH~98%RH, Constancy: ±0.3˚C ±2.5%RH, Uniformity: ±1˚C ±3%RH, Temperature and humidity sensor: PT 100Ω, Temperature and humidity audio and visual warning and OFFS correction setting, Temperature heater: 1.5KW X 2pcs, Humidity heater: 2.5KW X 1pc, Heat up transition time: -20˚C~100˚C within 35 min, Refrigeration system: Air cooled, single stage, Cooling compressor: Bristol hermetic compressor, Cooling capacity: 1,892 Watts, 6,455 BTU/hr, 1,630 Kcal/hr, Cool down transition time: 20˚C~-20˚C within 45 min, Safety devices: No fuse breaker, refrigerator over load relay, refrigeration high pressure switch, over temperature protector, protection relay, protection fuse, water level control and overheat protector, Chamber: L50 X W60 X H75cm, Capacity: 225L, chamber with key lock, with lamp (DC 12V 50W) X 1pcs and double glass viewing window, testing cable port with cover: Ø25mm, 4 castors, W/S: shelf X 2pcs, standard testing wet cloth X 5pcs, PCV water container X 1pc
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Multimedia HDMI Test Instrument
881E/882E
The Teledyne LeCroy quantumdata 881E/882E-HDMI Video Generator model is packed with features for video and audio testing of HDMI 1.4a sink devices. The HDMI transmitter provides 12-bit/component deep color and HDMI 3D testing features. An analog option with 250 MHz analog output and composite analog for NTSC and PAL testing is available as well with the HDMI transmitter only configuration.
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Audio and Acoustic Functional Test Solution
With the growing popularity of Internet of Things devices worldwide, many electrical products are adopting voice commands as their user interface. This means that acoustic and audio test challenges are likely to impact more products than ever before. Test teams must meet extended test coverage requirements to ensure product quality while maintaining throughput and operational efficiency. For a solution to meet these sorts of demands, it must:
