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phon    
n. 音响的强度单位

音响的强度单位


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英文字典中文字典相关资料:


  • Phon - Wikipedia
    The purpose of the phon is to provide a logarithmic measurement (like decibels) for perceived sound magnitude, while the primary loudness standard methods result in a linear representation
  • Loudness Units: Phons and Sones - HyperPhysics
    Using the rule of thumb for loudness, the sone scale was created to provide such a linear scale of loudness It is usually presumed that the standard range for orchestral music is about 40 to 100 phons
  • Phon | Sound Level, Decibel Acoustics | Britannica
    Phon, unit of loudness level The loudness level of a sound is a subjective, rather than an objective, measure To measure loudness, the volume of a 1,000-hertz reference tone is adjusted until it is perceived by listeners to be equally as loud as the sound being measured
  • PHON Definition Meaning | Dictionary. com
    PHON definition: a unit for measuring the apparent loudness of a sound, equal in number for a given sound to the intensity in decibels of a sound having a frequency of 1000 cycles per second when, in the judgment of a group of listeners, the two sounds are of equal loudness
  • Amazon. com: Cell Phones: Cell Phones Accessories
    Shop a wide selection of cell phones and accessories with free shipping and returns on eligible items at Amazon
  • Phone by Google - Apps on Google Play
    Google’s official phone calling app is now available to download for the first time Phone helps you easily connect with family and friends, block spam callers, and know who’s calling before
  • Phon - definition of phon by The Free Dictionary
    A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone perceived to be as loud as the sound being measured
  • PHON - Simon Fraser University
    It is important to realize that the phon is used only to describe sounds that are equally loud It cannot be used to measure relationships between sounds of differing loudness
  • iPhone - Buying iPhone - Apple
    Purchase your next iPhone from the Apple Store Get answers about carriers, offers, payments, trade-in, setup, and more
  • phon - Wiktionary, the free dictionary
    phon (plural phons) (acoustics) A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured





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