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A Dolby noise-reduction system, or Dolby NR, is one of a series of noise reduction systems developed by Dolby Laboratories for use in analog audio tape recording. [1] The first was Dolby A, a professional broadband noise reduction system for recording studios that was first demonstrated in 1965, but the best-known is Dolby B (introduced in 1968), a sliding band system for the consumer market ...
Military career. Service/ branch. United States Army. Notes. [1][2] Ray Milton Dolby (/ ˈdoʊlbi, ˈdɒl -/; January 18, 1933 – September 12, 2013) was an American engineer and inventor of the noise reduction system known as Dolby NR. He helped develop the video tape recorder while at Ampex and was the founder of Dolby Laboratories.
Dynamic range. Effective input noise temperature. Environmental noise. Equivalent noise resistance. Equivalent pulse code modulation noise. Errors and residuals in statistics. Fixed pattern noise. Flicker noise. Gaussian noise.
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September 15, 2024 at 8:30 AM. A new review of previous research determines if cell phone radiation causes brain cancer. The review concludes that radiation from cell phones is not likely to ...
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 ...
Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...
Baking soda toothpaste. Baking soda is naturally alkaline, meaning it has a pH higher than 7. The theory is that it neutralizes the acids that lead to tooth decay, Okano says. It’s abrasive so ...