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  2. Noise map - Wikipedia

    en.wikipedia.org/wiki/Noise_map

    For industrial noise map production, the most important thing is the description of noise sources: sound power levels (emission), directivity, working periods. Although some databases can be found, in some cases it is necessary to make measurements (ISO 3740) for describing the source.

  3. Sound map - Wikipedia

    en.wikipedia.org/wiki/Sound_map

    The Sound Around You Project began as a soundscape research project [7] at the University of Salford, UK in 2007.The project allows people to use audio recorders to record clips or sonic postcards of around 30 seconds in length from different sound environments, or ‘soundscapes’ from a family car journey to a busy shopping centre, and to upload them to the virtual map, along with their ...

  4. Ambient noise level - Wikipedia

    en.wikipedia.org/wiki/Ambient_noise_level

    Integrating Sound Level Meter. In atmospheric sounding and noise pollution, ambient noise level (sometimes called background noise level, reference sound level, or room noise level) is the background sound pressure level at a given location, normally specified as a reference level to study a new intrusive sound source. [1]

  5. Background noise - Wikipedia

    en.wikipedia.org/wiki/Background_noise

    Background noise is an important concept in setting noise levels. Background noises include environmental noises such as water waves, traffic noise, alarms, extraneous speech, bioacoustic noise from animals, and electrical noise from devices such as refrigerators, air conditioning, power supplies, and motors. The prevention or reduction of ...

  6. Noise calculation - Wikipedia

    en.wikipedia.org/wiki/Noise_calculation

    Noise experts and some small specialized companies have slowly developed a limited number of calculation tools, which have increased in number and become more user-friendly, covering more application cases, and adding service elements to the noise calculation tools. The noise calculation process is complex in input (gathering data, correctly ...

  7. Personalize your background image, sounds, and toolbar ...

    help.aol.com/articles/personalize-your...

    1. Sign in to Desktop Gold. 2. Click the Settings button. 3. Click Personalization. 4. Click the Sounds tab. 5. Click Customize My Sounds. 6. Search for a sound or select a category from the "All" menu at the top-right.