- published: 09 Oct 2013
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The phon is a unit of loudness level for pure tones. Its purpose is to compensate for the effect of frequency on the perceived loudness of tones. The phon was proposed in DIN 45631 and ISO 532 B by S. S. Stevens.
By definition, 1 phon is equal to 1 dBSPL at a frequency of 1 kHz. The equal-loudness contours are a way of mapping the dBSPL of a pure tone to the perceived loudness level (LN) in phons. These are now defined in the international standard ISO 226:2003, and the research on which this document is based concluded that earlier Fletcher–Munson curves and Robinson-Dadson curves were in error.[citation needed]
The phon unit is not an SI unit in metrology. It has not been accepted as a standard unit by the United States National Institute of Standards and Technology.[citation needed]
The phon model can be extended with a time-varying transient model which accounts for "turn-on" (initial transient) and long-term, listener fatigue effects. This time-varying behavior is the result of psychological and physiological audio processing. The equal-loudness contours on which the phon is based apply only to the perception of pure steady tones: tests using octave or third-octave bands of noise reveal a different set of curves, owing to the way in which the critical bands of our hearing integrate power over varying bandwidths and our brain sums the various critical bands.[clarification needed][citation needed]
Actors: Pavin Kittikovit (producer), Pavin Kittikovit (director), Pavin Kittikovit (editor), Prasan Phoseangda (actor), Roongrote Bhornsawat (actor), Karn Kasemsuk (producer), Natcha Subsomrvay (actor), Pongsan Hemarat (actor), Sathapana Niyamosatha (actor),
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Plot: Set in Thailand, between April-June 1999, 'A Moment In June' is a story of the fusion of six lives, a song that links them together, a hope of the second chance that might never come and a moment they all need to make a life-changing decision.
Keywords: actor, actress, boyfriend-boyfriend-relationship, director, father-son-relationship, gay-interest, month-in-title, multiple-time-frames, play, writerActors: Kohtee Aramboy (actor), Somlek Sakdikul (actor), Thawatchai Phanpakdee (producer), Udom Udomroj (director), Amarin Nitipon (actor), Pisan Akaraseni (actor), Eddie Pheenarak (actor), Roong Suriya (actor), Saowaluck Siriaran (actress), Aphichan Chaleumchainuwong (actor), Noppadol Duangporn (actor), Priya Suandokemai (actress), Kluay Chernyim (actor), Thongkaul Taveprungsenukul (writer), Watcharabul Leesuwan (actor),
Plot: A young monk catches a train to a temple in a hill. On the way, he meets Pon and Tangmo, two people who trying to escape from their personal problems. Later, the threesome becomes friend, but they have to separate to find their goals. The young monk arrives the temple and experiences to many unusual senior monks, while Pon and Tangmo meet each other again in a village and begin their relationship. But, peaceful life of Pon and Tangmo is getting in trouble when a stranger guy steps in, and sets a chaos over the village and the temple.
Genres: Comedy, Comedy,