Voice+Changer

=Voice Changer= DCattani12toc

Purpose
//What is the fundamental purpose of the device?// A voice changer takes your voice and changes it to make it sound different.

Energy
//What energy transformations are seen in its operation?// A voice changer's energy starts as kinetic energy and transforms into electrical energy.

Controls
//What sensors/controls are designed into the device?// The voice changer can tell when you are speaking because it has a microphone. When you speak into the microphone, the sound waves travel through wires and then the sound waves are modified.

Materials
//What material(s) are essential to the device?// A person who can talk and a voice changer are needed in order for a voice changer to work.

Science
//What is scientific principle is central to its operation?// A voice changer modifies the shape, frequency or amplitude of sound waves.

Design
//What does a typical device look like?//



Evolution
//What changes have there been (or could there be) in this device?// In the future maybe the device will be able //to modify voices into different sizes and shapes.//

Competitors
What other devices serve a similar purpose? //Guitar Pedaland voice changer both take a sound wave and modify it.//

Partners
What other devices work in conjunction with this device? //Head phones are used in a voice changer to hear what the person on the other phone is saying.

Microphones are used in voice changers so you can speak into it. Here are two links. Link one. Link two.//

Siblings
What other devices use the same scientific principle?// Guitar Pedal and voice changer both take a sound wave and modify it into different sizes and shapes.

Follow this link to buy a voice changer. [|Click here.]
 * Other Links**