Products/Services for NVH Microphone
-
Noise, Vibration, and Harshness (NVH) Test Equipment - (47 companies)Noise, vibration, and harshness test equipment are equipment used to test and monitor noise, vibration, and harshness in mechanical and electrical systems. How to Select Noise, Vibration, and Harshness (NVH) Test Equipment. Noise, vibration... -
Measurement Microphones - (73 companies)Measurement microphones are most commonly condenser microphones, which convert sound pressure to an output that is then converted into a reading such as sound pressure level (SPL). Measurement microphones are most commonly condenser microphones... -
Microphone Chips - (38 companies)Microphone Chips are integrated circuits (IC) microphones. Microphone chips are integrated circuits (IC) microphones and are usually mounted directly to a circuit board. A pressure-sensitive diaphragm is etched directly into a silicon chip...
-
Audio Microphones - (458 companies)Audio microphones are designed for sound reception and recording applications (speech and music). How to Select Audio Microphones. Image Credit: PCB Piezotronics, Inc. and RDI. Audio microphones are designed for sound reception and recording... -
Foams and Foam Materials - (577 companies)Foams and foam materials are industrial products made from low density elastomers, plastics and other materials with various structures and porosities. -
Headsets - (250 companies)Often, headsets are bundled with microphones for two-way communication. The main benefit of headsets is that they let users listen privately, and make it easier to hear in noisy environments. How to Select Headsets. Headsets are designed to hold...
-
Audio Cables - (374 companies)Audio cables transmit audible signals such as voice and music. They are designed to minimize noise and interference that can impair sound quality. Audio cables connect an audio source such as a stereo or microphone to an audio receiver or output...
-
Audio Mixers and Consoles - (195 companies)Audio mixers and audio consoles are units that combine signals from microphones and/or line level sources to produce a combined signal or signals. Audio mixers and audio consoles combine signals from microphones and/or line level sources to produce...
-
Intercoms - (237 companies)Intercoms are an electronic communications system generally composed of fixed microphone/speaker units connected to a central control device. Intercoms are electronic communications systems that consist of fixed microphone/speaker units that connect...
-
Audio Amplifiers and Preamplifiers - (395 companies)Audio amplifiers and audio preamplifiers are used to increase the amplitude of sound signals. Preamplifiers or preamps are designed to amplify low-level signal from a high-impedance device such as a microphone or instrument pick-up. After...
Product News
-
Marposs Corp
NVH G-EAR—Noise Testing of Individual Gears Marposs showcases the latest evolution of its NVH G-EAR machine, a cutting-edge solution for gear measurement and testing. This recent development reflects the company 's ongoing commitment to improving the quality and performance of transmission components. With the now firmly established technology of hybrid (HEV) and full electric vehicles (EV), the noise of the drivetrain has become one of the major issues that every car manufacturer has to deal with. In BEVs, a silent gearbox not only... (read more)Browse Force and Torque Instruments Datasheets for Marposs Corp -
Marposs Corp
Leading-edge technology for gear NVH analysis The leading-edge technology for gear NVH analysis. Marposs NVH G-EAR tester offers what today gear manufacturers really need to complete their internal production quality inspection. With its solid and robust structure, the machine, which works on the Single Flank rolling action principle, is capable to test gears under high speed and torque conditions to evaluate surface defects, machining distortions and noise behavior on the individual component prior to the assembly into the gearbox. follow... (read more)Browse Nondestructive Testing (NDT) Equipment Datasheets for Marposs Corp -
Hottinger Bruel and Kjaer UK Ltd.
Smarter NVH End-of-Line Testing from One source To help automotive manufacturers improve their acoustic, vibration and mechanical performance processes, Hottinger Br uel & Kj aer (HBK) has combined its NVH end-of-line (EoL) testing tool - Discom NVH production testing systems - with its torque measurement technology. EoL NVH testing plays a critical role in modern automotive manufacturing, verifying the acoustic and dynamic behaviour of every unit in production. To support this function, HBK 's NVH EoL solutions have been designed to detect... (read more)Browse Vibration Sensors Datasheets for Hottinger Bruel and Kjaer UK Ltd. -
Ommatidia LiDAR
Experience the Future of Measurement! Q2 Laser RADAR: Integrated 3D Metrology and Vibration Analysis for Industrial Precision. This massively parallel laser technology revolutionizes non-contact, high-speed scanning across multiple industrial applications, including structural health monitoring (SHM), noise, vibration, and harshness (NVH) analysis, aerospace, and energy sectors. (read more) -
S.I. Tech, Inc.
Two-Way Fiber Optic Audio Link Models 2239 provides two-way stereo audio over fiber. Typical applications include paging systems, music distribution, and control with audio tones, two way audio communication. The 2239 has 1/8" (3.5mm) microphone input and stereo line level phono jack inputs. The 2239 digitizes the audio input into 16-bit samples at 48KHz rate. The microphone input is copied to both channels, the two line inputs remain in respective channels. The digitized stereo audio is transmitted across fiber and received... (read more)Browse Network Media Converters Datasheets for S.I. Tech, Inc. -
Zhejiang Lisheng Spring Co., Ltd.
Wave Springs for Electric Drive Systems Motor Bearing Preload & Reliability. Multi-layer wave springs provide precise axial preload between motor bearings and end caps, reducing axial play and preventing NVH (Noise, Vibration, Harshness) issues. Ensures stable rotor support, minimizes friction, and extends bearing service life under high-speed operation. Gearbox Vibration Reduction. Flexible wave springs absorb gear meshing vibrations, converting energy into elastic potential and offering damping effects. Reduces noise and enhances... (read more)Browse Spring Washers Datasheets for Zhejiang Lisheng Spring Co., Ltd. -
Ommatidia LiDAR
The Game-Changer in 3D Vibrometry & Acoustics Massively Parallel FMCW Laser. NVH (Noise, Vibration, and Harshness) in Automotive Engineering. In the automotive industry, laser doppler vibrometry (LDV) is used to analyze how structural components vibrate and contribute to overall vehicle noise. It helps in detecting resonance frequencies and structural-borne noise sources from panels, dashboards, doors, and engine compartments. LDV assists engineers in optimizing materials and design, ensuring vehicles are quieter, more comfortable... (read more)Browse LiDAR Sensors Datasheets for Ommatidia LiDAR -
Knowles Precision Devices
Boom Mics for Critical Communications Knowles' boom microphones are designed for either flexible or rigid configurations and offer such performance options as noise rejection and high-frequency crossover of near and far field responses. Lengths and end terminations are customized to meet your application needs. Marketers of headsets and audio systems often seek Knowles boom designs. Collaboration with commercial, governmental and industrial designers is producing new helmet applications for aircraft, military, first responder... (read more)Browse RF Couplers Datasheets for Knowles Precision Devices -
Ommatidia LiDAR
Understanding the Doppler Effect invaluable for vibration testing in fields like: Aerospace: For non-destructive testing of complete aircraft as well as critical components, ensuring structural integrity. Automotive: To evaluate NVH (noise, vibration, and harshness) characteristics. Rotary Machinery: To asses... (read more)Browse LiDAR Sensors Datasheets for Ommatidia LiDAR -
GGB
Bearing & Coating Solutions for Crane Applications Bearing & Coating Solutions for Crane Applications. In industrial industries where crane applications are being utilized, crane design engineers must manage a multitude of unique challenges from greasing systems, to sealing issues, to managing NVH. All these challenges pose big impacts on the operations bottom line. No matter the challenge, we 're committed to working alongside our partners to incorporate innovative and cost-effective tribological solutions. In this video, we review a seaport... (read more)Browse Industrial Coatings Datasheets for GGB
Conduct Research
DATS smoothing PROTOR runup vibration microphone Fourier aliasing P8000 strain gauge de-spike ENBW despike muffler gearbox strain gage engineering acoustic phaseless spikes Butterworth fatigue tachometer engine orders noise hammer accelerometer overall level suspension exhaust strain GPS torsional...
More Information
Indicates content that may require registration and/or purchase.
-
https://dspace.lib.cranfield.ac.uk/bitstream/1826/3205/1/Baptiste%20Bonnet%20Thesis%202007.pdf
Cabin noise measured using a Larson-Davis 2559 microphone and NVH levels assessed by driver and passenger during steady state operation.
-
ACOUSTOMIZE™ A Method to Evaluate Cavity Fillers NVH & Sealing Performance
… noxious gas intrusion 5 Reduction of wind, road, & tire noise 6 Excellent water absorption resistance Figure 12 Schematic of Locations of Foam Injected into BIW DATA ANALYSIS OF BASELINE, UNTREATED AND BULK FOAM NVH PERFORMANCE The microphone signals were measured in …
-
Polymer Gear Development to Improve Efficiency and NVH Performance of an Engine Mass Balance System
The accelerometer results in Figures 25 & 26 also show that the PEEK gearset is quieter than the iron gearset.5 Table 9 Summary of NVH Results Figure 24 Microphone Data for Molded PEEK Gearset Figure 25 Accelerometer Data for Molded PEEK …
-
Sound Steering
Tags: acoustic, analysis software, automotive, automotive testing, background noise, data acquisition system, DATS, FFT, measurement setup, microphone , noise, nvh , orders, power steering pumps, Prosig, pump, repeatable results, resonances, Richard O'Sullivan, runup, signal conditioning, sound quality, steering pump, test sequences, waterfall, waterfalls .
-
Comparison Between Sound Intensity Probes and Acoustic Cameras
Tags: acoustic, acoustic camera, acoustic data, microphone, microphone array, noise, nvh , pressure measuring devices, robot, sound intensity, sound intensity probe, sound sources, spatial resolution, videos .
-
Brake NVH: Testing and Measurements
The five NVH channels were: an interior microphone , a microphone in the wheel well, and accelerometers on the outer pad, the caliper bridge, and the anchor bracket.
-
Use of simulation for the NVH development of brake pads
By default, these test bench simulations in- clude activities such as the recording and analysis of microphone signals in order to describe the specific NVH behaviour.
-
Developing an Algorithm for Tick Detection
Tags: applications, auto spectrum, automotive components, DATS, frequency, frequency spectrum, measurement conditions, microphone signal, microphone signals, noise, normalise, nvh , Prosig, rattle, rms, solution, spectrum, standard deviation, tick, tick analysis, tick detection, worksheet .
-
Absorption Materials to Achieve Low Orifice Noise Level in Passenger Cars - Simulation and Experimental Results
In this NVH test internal SPL was measured by two microphones located at drivers and passengers ears.
-
Experimental analysis between air intake transmission loss and powertrain NVH interior noise
The Figure 2 shows the powertrain NVH interior noise obtained using a driver out ear microphone and a PROSIG acquisition system.
