A person recently asked me what I meant by the term business system.. I thought others might like to know a definition that works for me. A system is a procedure, process, method, or course of action designed to achieve a specific result.
The voiced speech of a typical adult male will have a fundamental frequency from 85 to 180 Hz, and that of a typical adult female from 165 to 255 Hz. Thus, the fundamental frequency of most speech falls below the bottom of the voice frequency band as defined above.
In singing, when your vocal cords vibrate at a faster speed, you sing a higher pitch than when they vibrate more slowly. The A just above Middle C vibrates at 440 cycles per second â your vocal cords open and close 440 times per second. Notes are musical symbols that indicate the location of a pitch.