- Detection - Measurement>
- Optical and Acoustic Measurements>
- Microphone
Microphones
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。.. example, model testing USE OF PRESSURE-FIELDMICROPHONESPressure-fieldmicrophonesshould be used for making measurements in small, closed couplers or close to hard, reflective surfaces. Suchmicrophones。..
Bruel and Kjaer
Pressure-fieldmicrophoneexceptionally suited for coupler and other laboratory type measurements over a frequency range of 2.6 Hz To 8 kHz. Type 4144 is a 1" pressure-fieldmicrophone, that is, a ...
Bruel and Kjaer
。.. frequency response of themicrophonehas been designed in such a way that the free-field response at 0 degrees incidence is flat. Thismicrophoneis optimised for use with the protection grid in place. Free-field ...
Bruel and Kjaer
Themicrophonesare 48V phantom powered and include an electronic data sheet. The Automated Sensor Detection (ASD) of the XL2 Analyzer automatically reads this data, i.e. themicrophonemodel and calibration ...
NTi Audio
Themicrophonesare 48V phantom powered and include an electronic data sheet. The Automated Sensor Detection (ASD) of the XL2 Analyzer automatically reads this data, i.e. themicrophonemodel and calibration ...
NTi Audio
Themicrophonesare 48V phantom powered and include an electronic data sheet. The Automated Sensor Detection (ASD) of the XL2 Analyzer automatically reads this data, i.e. themicrophonemodel and calibration ...
NTi Audio
。.. typical full-bodied sound of tubemicrophonesthat are preferred by vocalists and soloists. The M 990 vacuum tube condensermicrophoneis well-suited for difficult radio play productions as well as a ...
Microtech Gefell GmbH
。.. the sound field is demanded. It is usable as a mainmicrophonefor recordings which should include a certain amount of the room response. As well the M 221 is suited as a spotmicrophonefor ...
Microtech Gefell GmbH
The M Cube is a 9-channelmicrophonesystem for time-delay based 3-dimensional recordings. The omni-directional pressure capacitor mics are arranged in the shape of a cube with a length of approximately one metre ...
Microtech Gefell GmbH
。.. of high-performance measurementmicrophone。Compliance with IEC61094-4: 1995 Measurementmicrophones- Part 4: Specifications for working standardmicrophonesCompliance with GBT20441.4-2006 ...
CRY SOUND
。.. with IEC61094-4: 1995 Measurementmicrophones- Part 4: Specifications for working standardmicrophonesCompliance with GBT20441.4-2006 Measurementmicrophones- Part 4: Specifications ...
CRY SOUND
。.. is a cost-effective measurementmicrophone。具有成本效益的行业领袖Titanium film process Compliance with IEC 61094-4:1995 Measurementmicrophones- Part 4: Specifications for working standard ...
CRY SOUND
。.. -one networkmicrophoneconsole that give you a smart and easy way to turn your Axis network speakers into a complete public address system. Announcements made easy 2N SIP Mic is a complete, two-waymicrophone。..
The RealWear Navigator™ 500 is the leading ruggedized assisted reality solution designed to engage, empower and elevate the modern frontline worker. Connect and collaborate with remote experts, follow digital workflows, visualize IoT ...
Sysgration
RealWear HMT-1 hands-free, voice-enabled headsets are designed with safety in mind. Because of their durable construction and compatibility with personal protection equipment (PPE) — including hardhats, eyewear, masks, ear protection ...
Sysgration
的RealWear®HMT-1Z1本质上是一个安全的吃X Zone 1 and CSA C1/D1 certified fully rugged head-mounted device. Use it in wet, dusty, hot, dangerous environments Intrinsically Safe ATEX Zone 1 and CSA C1/D1 Unmatched ...
Sysgration
MICROPHONEHigh-quality measurementmicrophonesare essential for standard-compliant measurements. For our measuring systems we offermicrophonesof the following companies: Microtech ...
。.. preamplifier fed by a constant current ICP® (PA-05) +microphone(P-05). The CESVA PA-05 is fed by 2-20 mA of constant current. The PA-05 has been specifically designed to condition the CESVA P-05microphone。...
Flush Mount lifting Digital ArrayMicrophoneMain Features ●Stylish and modern design with touchable button, flush mount on the desk with electrical lifting ●ARRA-TechTMMicrophonearray technology ...
VISSONIC Electronics Ltd.
Digital ArrayMicrophonewith channels selector Chairman/Delegate Unit Main Features ● Stylish and modern design with touchable button ● ARRA-TechTMMicrophonearray technology and the voice pick-up ...
VISSONIC Electronics Ltd.
Digital ArrayMicrophoneChairman/Delegate Unit Main Features ●Stylish and modern design with touchable button ●ARRA-TechTMMicrophonearray technology and the voice pick-up distance up to 120CM ●Priority ...
VISSONIC Electronics Ltd.
MEMSmicrophonescan review all audio needs where size and quality are important. This is based off of Omrons sensor controls and uses price points created by electret condensermicrophonesto work with ...
ANC/VNCmicrophonemodule used for automobile with integrated amplifier and performance adjustment circuit. Gettop has the capability to design and development, parts and assembly manufacturing and inspection capability ANC/VNC ...
。.. electret unit with flexible stemmicrophone。6 keys for zone selection (can also be configured individually as alarm keys) and general call, release/hold PTT+LOCK button. Priority level configuration (up to level 7) and ...
MI-1235 - MeasurementMicrophoneThe MI-1235 uses a titanium diaphragm and not only maintains high stability but also is designed specially to realize flat frequency responce over a wide bandwidth.
The Endevco® model 2510M4Amicrophonemeasures high intensity acoustic noise and very low pressure fluctuations. The rugged, hermetically sealed construction and extremely wide temperature range -67°F to +500°F (-55°C ...
Endevco
TDK’s MEMSmicrophones取得了紧凑,低-profile, and high in performance due to the CSMP (chip size MEMS package) technology that has been cultivated through the development of products such as SAW devices. They ...
Pre-polarized condensermicrophone, ½” diameter, sensitivity 50 mV/Pa, optimized for free field measurements over the frequency range 3.15Hz ÷ 20 kHz. WS2F type capsule according to IEC61094-4:1995. Supplied with calibration card.
Delta OHM
The WIND 3D is a high-quality omnidirectionalmicrophonefor small and medium size conference rooms, using leading digital array technology, excellent anti-interference characteristics, sound pickup performance and excellent ...
。.. opportunities are few and far between either because of costs or repeatability. The ArrayMicrophoneTypes 40PH and 40PL are low-costmicrophonesfor general-purpose measurements in arrays and matrices. ...
G.R.A.S. Sound & Vibration
These 1/4"-measuringmicrophonesare pressure transducers. Special custom versions are also possible. Power supplies for themicrophonescan be either a constant current source of 2 - 6 mA (standard version) ...
ROGA-Instruments
This tiny breakout board features the ADMP401 MEMSmicrophone。One of the key advantages of this breakout andmicrophoneis the bottom ported input. This means themicrophone's input ...
Powerful and lightweight, our Q-Mic preamplifier transforms any smartphone or tablet into on-field reporters’ best professional tool to record high quality audio. Q-Mic’s shrunken design is battery-less and has an ultra-low power consumption. ...
ASP-01 ElectretMicrophoneASP-02 DynamicMicrophoneASP-03 150ohm Dynamicmicrophone
。.. growing needs of the acoustics marketplace. The "Alternative" family is a broad line of Type 1 and Type 1.5TM measurementmicrophones。Featuring metal diaphragms, 0 TC insulators and precision construction for accuracy ...
ACO Pacific, Inc.
SHIDU ORIGINAL & MULTI PURPOSE WIRELESSMICROPHONE1. - Adopt UHF wireless technology, hi fi, and remote transmission. 2. - Détachable head support to support head and hand exchange operation. 3.Support frequency ...
SHENZHEN SHIDU DIGITAL CO., LTD.
。.. external generator. A special adaptor allows acoustic calibration. Themicrophonediapragm and housing are made of stainless steel to withstand pollution and corrosion. Themicrophonecartridge is a ...
Norsonic AS
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A microphone is a transducer that converts the acoustic pressure generated by sound waves into electrical signals. It usually is housed in a quarter- or half-inch tube equipped with a cable.
ApplicationsMicrophones are present within telephones as voice transducers, and also are used in the realm of acoustic measuring. Sound-level meters use microphones to record noise levels. Measurement microphones are distinguished by operational setting, i.e., for interior (diffuse field) or exterior (free field) use.
TechnologiesElectrostatic microphones are more sensitive than coil microphones and function in a wider frequency range. They use a condenser whose capacity varies with the membrane's movement. A power supply is necessary to polarize the condenser and pre-amplify the output signal. If the condenser is pre-polarized, the microphone is an electret microphone. In this case the power supply can be phantom, using a three-wire connection (or a two-wire with a battery). The electret's polarization declines over time.
Sound pressure microphones are omni-directional. Pressure gradient models are directional. Parabolic reflector microphones are extremely directional. Other common types include piezoelectric, MEMS-type (with a diaphragm etched into a silicon chip) and hydrophones.
The directivity diagram, the mV/Pa sensitivity, bandwidth, signal and construction quality are essential elements to consider.
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