|To deal effectively with various audio systems, we must have a thorough understanding of the frequency spectrum of signals to be handled by these systems. Speech and music, our usual signals, are so very complex it is often necessary for us to break them down into tones or narrow bands to understand them better.||
DefinitionSpectrum: the distribution of the sound energy throughout the audible frequency range
Example:Spectrum of the sound of typical rock music
|The frequency range of audible sound is commonly taken as 20 Hz to 20,000 Hz.||
DefinitionFrequency: The number of cycles per second ...