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A sound level meter (also called sound pressure level meter (SPL)) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1]
1999 saw the introduction of the handheld Signal generator Minirator MR-1. [14] The ML1 [15] handheld audio analyzer, AL1 sound level meter and acoustic analyzer and DL1 digital audio analyzer instruments were then added to the product range. These tools are used by audio professionals and for educational purposes.
Analysis of sound and acoustics plays a role in such engineering tasks as product design, production test, machine performance, and process control. For instance, product design can require modification of sound level or noise for compliance with standards from ANSI, IEC, and ISO. The work might also involve design fine-tuning to meet market ...
Extech Instruments is a supplier of handheld electronic test equipment and measuring instruments. ... clamp meters, air flow meters, light meters, sound level meters ...
An audio analyzer is a test and measurement instrument used to objectively quantify the audio performance of electronic and electro-acoustical devices. Audio quality metrics cover a wide variety of parameters, including level, gain, noise, harmonic and intermodulation distortion, frequency response, relative phase of signals, interchannel crosstalk, and more.
Sound level meter; Sound limiter; Sound power; Sound pressure; Speech interference level; Speed of sound; Stress wave tomography; T. Transmission loss (duct acoustics)
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