安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- Phon - Wikipedia
Because the phon is a unit associated with a subjective percept, it is obtained by presenting the considered sound to a group of normal-hearing human listeners and by taking the median of the loudness levels they report
- 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 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
- 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 | 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 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 definition in American English | Collins English Dictionary
phon in American English (fɑn) noun 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
- Word Root: phon (Root) | Membean
This word root is the word origin of a number of English vocabulary words, including micro phon e, phon e, and sax ophone An easy way to remember that phon means “sound” is through the word sym phon y, which is many instruments making a “sound” together
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