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Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...
IP code. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical ...
Sony Group Corporation (ソニーグループ株式会社, Sonī, / ˈ s oʊ n i / SOH-nee), formerly known as Tokyo Tsushin Kogyo K.K. (東京通信工業株式会社, Tokyo Telecommunications Engineering Corporation) and Sony Corporation (ソニー株式会社), commonly known as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan.
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 ...
A rating system can be any kind of rating applied to a certain application domain. They are often created using a rating scale . Examples include: Motion picture content rating system. Motion Picture Association film rating system. Canadian motion picture rating system. Television content rating system. Video game content rating system.
A motion picture rating system was proposed in the Film and Video Act of 2007, and was passed on December 20, 2007 by the Thai military -appointed National Legislative Assembly, replacing laws which had been in place since 1930. The draft law was met with resistance from the film industry and independent filmmakers.
The following system is used to assess the quality of a Wikipedia article. The system is based on a letter scheme that reflects principally how factually complete the article is, though language quality and layout are also factors. The quality assessments are mainly performed by Wikipedia editors, who tag Talk pages of articles; some bots set ...
The Motion Picture Association film rating system is used in the United States and its territories to rate a motion picture 's suitability for certain audiences based on its content. The system and the ratings applied to individual motion pictures are the responsibility of the Motion Picture Association (MPA), previously known as the Motion ...