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Name or device! Microphone is the name of device in which sound is changed into electrical signal
Acoustical energy is only the vibrations that make sound, so sound is another name.
Speaker (!?) Plus, I would use the phrase sound waves instead of sound energy.
It has a low pitch
Keneperu SoundQueen Charlotte SoundPelorus SoundFernaux straitMahau Sound
Duchess of Marlborough's birth name is Consuelo Vanderbilt.
Helen Marlborough's birth name is Helen Viola Gleason.
Leah Marlborough's birth name is Leah Jane Codman.
The address of the Marlborough Public Library is: 35 West Main St., Marlborough, 01752 5510
The address of the Marlborough Historical Society is: Po Box 513, Marlborough, MA 01752-0513
The address of the Marlborough Arts Center And Museum is: Po Box 313, Marlborough, CT 06447