CHARACTERISTICS OF SOUND

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Presentation transcript:

CHARACTERISTICS OF SOUND LOUDNESS PITCH QUALITY

LOUDNESS IT IS THE CHARACTERISTIC BY WHICH YOU CAN DISTINGUISH A LOUD SOUND FROM A FAINT ONE

LOUDNESS DEPENDS ON DIRECTLY PROPORTIONAL TO THE SQUARE OF AMPLITUDE INVERSELY PROPORTIONAL TO THE SQUARE OF DISTANCE FROM THE SOURCE SURFACE AREA OF THE VIBRATING BODY DENSITY OF THE MEDIUM

INTENSITY: AMOUNT OF SOUND ENERGY PASSING THROUGH AN UNIT AREA DEPENDS ON SQUARE OF AMPLITUDE OF VIBRATIONS SQUARE OF FREQUENCY OF VIBRATIONS DENSITY OF AIR VELOCITY OF SOUND IN AIR