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  2. Loudness war - Wikipedia

    en.wikipedia.org/wiki/Loudness_war

    Loudness war. Different releases of ABBA 's 1980 song "Super Trouper" show different levels of loudness compared to the original 1980 release. The loudness war (or loudness race) is a trend of increasing audio levels in recorded music, which reduces audio fidelity and—according to many critics—listener enjoyment.

  3. How do cicadas make their signature sound, so eerie and ... - AOL

    www.aol.com/news/cicadas-signature-sound-eerie...

    June 14, 2024 at 9:32 AM. WHEATON, Ill. (AP) — The most noticeable part of the cicada invasion blanketing the central United States is the sound — an eerie, amazingly loud song that gets in a ...

  4. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...

  5. Dynamic range compression - Wikipedia

    en.wikipedia.org/wiki/Dynamic_range_compression

    Dynamic range compression ( DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds, thus reducing or compressing an audio signal 's dynamic range.

  6. Phone etiquette 101: When it’s rude to be on speaker - AOL

    www.aol.com/news/phone-etiquette-101-rude...

    Don’t use speakerphone. Do not use speakerphone for calls you make in public — use headphones. This is especially true for video calls or when watching to something on your device. This ...

  7. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  8. Equal-loudness contour - Wikipedia

    en.wikipedia.org/wiki/Equal-loudness_contour

    Equal-loudness contour. An equal-loudness contour is a measure of sound pressure level, over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. [1] The unit of measurement for loudness levels is the phon and is arrived at by reference to equal-loudness contours.

  9. 8 white noise machines for better sleep - AOL

    www.aol.com/news/8-white-noise-machines-better...

    This simple white noise machine offers ten fan sounds and ten ambient noise variations (including white, pink and brown noise). It is powered by either AC or USB and you can adjust the volume with ...