BASLP 1st Semester Notes » Paper 1: Communication Sciences
Unit 3: Sound intensity and concept of decibel
- Acoustic energy and power, absolute and relative units – importance of reference
- Sound intensity and intensity levels –absolute and relative measurements and
- Bel and decibels, sound pressure and decibel sound pressure levels, relationship
between intensity and pressure - Characteristics and application of decibels
Threshold Levels and Suprathreshold levels
Threshold Levels and Suprathreshold levels: In the term of hearing, Threshold is the weakest stimulus that an organism can detect and Suprathreshold refers to speech presented above the Threshold of the listener. Auditory Threshold The term threshold in general means...
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