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  2. Decibel - Wikipedia

    en.wikipedia.org/wiki/Decibel

    The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel ( B ). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 10 1/10 (approximately 1.26) or root-power ratio of 10 1/20 (approximately 1.12 ).

  3. dBm - Wikipedia

    en.wikipedia.org/wiki/DBm

    dBm or dBmW (decibel-milliwatts) is a unit of power level expressed using a logarithmic decibel (dB) scale respective to one milliwatt (mW). It's a quick-and-dirty metric commonly used by radio, microwave and fiber-optical communication technicians & engineers to measure the power of system transmissions on a log scale, which can express both ...

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing. This list includes abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies. Technical standards exist to provide glossaries of ...

  5. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    However, some file signatures can be recognizable when interpreted as text. The column ISO 8859-1 shows how the file signature appears when interpreted as text in the common ISO 8859-1 encoding, with unprintable characters represented as the control code abbreviation or symbol, or codepage 1252 character where available, or a box otherwise. In ...

  6. Sound recording copyright symbol - Wikipedia

    en.wikipedia.org/wiki/Sound_recording_copyright...

    The sound recording copyright symbol or phonogram symbol, ℗ (letter P in a circle), is the copyright symbol used to provide notice of copyright in a sound recording (phonogram) embodied in a phonorecord ( LPs, audiotapes, cassette tapes, compact discs, etc.). [ 1] It was first introduced in the Rome Convention for the Protection of Performers ...

  7. Here's What's Happening With 'The Flip Off' Now That ... - AOL

    www.aol.com/heres-whats-happening-flip-off...

    A source tells Us Weekly that “They are in production of The Flip Off without Josh. They’re moving forward with the show without him.” Okay then! Meanwhile, the source also notes that ...

  8. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details ...

  9. Decibel (record label) - Wikipedia

    en.wikipedia.org/wiki/Decibel_(record_label)

    Decibel is an independent record label based in Milwaukee, Wisconsin founded in 1994. It debuted with the industrial music album Abduction by Alien Faktor released the same year. History [ edit ]