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:Â 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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