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  2. Hearing protection fit-testing - Wikipedia

    en.wikipedia.org/wiki/Hearing_protection_fit-testing

    Hearing protector fit-testing is a method that measures the degree of noise reduction obtained from an individual wearing a particular hearing protection device (HPD) - for example, a noise canceling earplug or earmuff. Fit testing is necessary due to the fact that noise attenuation varies across individuals.

  3. How To Improve Your Presentation, Meeting and Interview ... - AOL

    www.aol.com/improve-presentation-meeting...

    There’s no doubt Zoom is a hugely popular videoconferencing platform. The company ended 2020 with approximately 81,900 corporate customers — a 61% year-on-year increase.

  4. Noise reduction - Wikipedia

    en.wikipedia.org/wiki/Noise_reduction

    Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio.

  5. In-ear monitor - Wikipedia

    en.wikipedia.org/wiki/In-ear_monitor

    Depending on the quality of the fit and length of the canal portion of the earpiece, a custom fit in-ear monitor will generally provide somewhere between 25 and 34 decibels of noise reduction. This means that loud onstage instruments, such as drum kit or large 8x12" guitar stacks, are less likely to cause hearing damage for onstage musicians ...

  6. Is Zoom fatigue still a thing? Why video meetings are so ...

    www.aol.com/lifestyle/zoom-fatigue-still-thing...

    What causes Zoom fatigue? There are a few reasons why people experience Zoom fatigue, Sanam Hafeez, a neuropsychologist in New York City and director of Comprehend the Mind , tells Yahoo Life.

  7. Acoustical measurements and instrumentation - Wikipedia

    en.wikipedia.org/wiki/Acoustical_measurements...

    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 ...

  8. Noise measurement - Wikipedia

    en.wikipedia.org/wiki/Noise_measurement

    Noise measurement can also be part of a test procedure using white noise, or some other specialized form of test signal.In audio systems and broadcasting, specific methods are used to obtain subjectively valid results in order that different devices and signal paths may be compared regardless of the inconsistent spectral distribution and temporal properties of the noise that they generate.

  9. Hearing conservation program - Wikipedia

    en.wikipedia.org/wiki/Hearing_conservation_program

    Hearing conservation programs [1] are programs that should reduce the risk of hearing loss due to hazardous noise exposure, if implemented correctly and with high quality. . Hearing conservation programs require knowledge about risk factors such as noise and ototoxicity, hearing, hearing loss, protective measures to prevent hearing loss at home, in school, at work, in the military and, and at ...