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PITCH AND VOLUME BY: ALEXANDRA BLASBERG WHAT IS PITCH? PITCH IS - PowerPoint PPT Presentation

PITCH AND VOLUME BY: ALEXANDRA BLASBERG WHAT IS PITCH? PITCH IS HOW HIGH OR LOW SOUND IS. AN EXAMPLE OF A HIGH PITCHED SOUND IS CLINGING TWO GLASS CUPS TOGETHER. A LOW PITCHED SOUND IS MOTORCYCLE RUNNING. LONGER STRING MAKES A LOWER SOUND


  1. PITCH AND VOLUME BY: ALEXANDRA BLASBERG

  2. WHAT IS PITCH? PITCH IS HOW HIGH OR LOW SOUND IS. AN EXAMPLE OF A HIGH PITCHED SOUND IS CLINGING TWO GLASS CUPS TOGETHER. A LOW PITCHED SOUND IS MOTORCYCLE RUNNING. LONGER STRING MAKES A LOWER SOUND THAN A SHORTER STRING. HUMANS CAN HEAR UP TO 20,000 HERTZ IN FREQUENCY. BATS CAN HEAR UP TO 120,000 HERTZ IN FREQUENCY.

  3. WHAT IS VOLUME? VOLUME IS HOW SOFT OR LOUD SOMETHING IS IN SOUND DEPENDING ON HOW MUCH ENERGY IS IN A SOUND WAVE. WHEN YOU PLUCK A RUBBER BAND HARD IT MAKES A LOUD SOUND AND HAS MORE ENERGY IN A SOUND WAVE. A WHISPER IS ONLY 20 DECIBELS, BUT AFTER YOU GET OVER 120 THE PAIN THRESHOLD IT STARTS TO HURT. FOR EXAMPLE IF YOU ARE AT A ROCK CONCERT YOUR EARS WILL START TO HURT.

  4. HOW ARE THEY MEASURED? VOLUME IS MEASURED IN UNITS CALLED DECIBELS. PITCH IS MEASURED BY HOW HIGH OR LOW THE SOUND IS. HOWEVER FREQUENCY IS THE NUMBER OF TIMES A OBJECT VIBRATES PER SECOND. FREQUENCY IS MEASURED IN HERTZ. ONE SECOND EQUALS ONE HERTZ. HIGH FREQUENCY LOW FREQUENCY

  5. HIGH PITCH VS. LOW PITCH LOW PITCHED SOUND WAVE HIGH PITCHED SOUND WAVE HIGH PITCHED SOUND MAKES A HIGH SOUND BUT LOW PITCHED SOUND MAKES LOW SOUNDS. LOW PITCHED SOUND WAVES ARE MOR SPREAD APART AND HIGH PITCHED SOUNDS ARE CLOSER TOGETHER.

  6. LOUD VOLUME VS. SOFT VOLUME SOFT VOLUME SOUND WAVE LOUD VOLUME SOUND WAVE LOUD SOUNDS MAKE A HIGH SOUND WAVE. SOFT SOUND MAKE A LOW SOUND WAVE.

  7. DIFFERENT SOUND WAVES HIGH PITCHED, SOFT VOLUME LOW PITCHED, SOFT VOLUME HIGH PITCHED, LOUD VOLUME LOW PITCHED , LOUD VOLUME THERE ARE MANY DIFFERENT SOUND WAVES!

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