Examples of amplifier in the following topics:
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- Speakers control the production of sound either using their own voice or a microphone so that amplified sound is loud enough to be heard.
- Higher amplitudes on the wave graph are interpreted as a higher volume, hence the name "amplifier" for a device that increases amplitude.
- The signal may then be sent to an amplifier.
- The electronic amplifier increases the power of a signal.
- A loudspeaker or headset receives the input to produce the amplified sound.
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- Amplified or not, at the beginning of the speech, the speaker should ask, "Can you hear me in the back?
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- Visual aids should support, clarify, and amplify, not repeat what you are saying.
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- Remember that your head and face are your key expression amplifiers.
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- The first act of speech is breathing, in which you get air into a storage chamber; second is phonation, the process by which you force air into vibration by the action of the vocal folds; third, resonation, in which your mouth,nose and throat cavities amplify the sound so you can hear it; and finally there is articulation, in which you modify the sound by movement of the teeth, tongue, and lips into recognizable patterns.