Critical Scale

• Critical Band Splits the Frequency Spectrum into How the Human Brain Perceives Frequencies

• Shows “Key-Parts” of Content in Slightly Wider Blocks

• Basically What Signal Falls Roughly into the Same Critical Band, Quasi Belongs Roughly to the Same Frequency 

• i.e. Although it is Not the Same Frequency, it Falls (According to Our Brain and the Critical Scale) into the Same Category of Frequency

– Beside Linear and Octave Scales, Another Useful Way to Measure the Tonal Balance of Music