If you are single women, elderly, or a minor, a voice changer can help you make sure anyone calling will not know you are alone or vulnerable. A voice changer is your first line of telephone defense. Most of the voice changers on the market work because they shift the pitch-sensitive sound waves of the users voice through a microprocessor controller and offer various pitch shift adjustments. Low priced models offer fewer pitch options and use a less effective and lower cost microprocessor than higher end models.
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How Does A Voice Changer Work?
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