Speakers & Microphones Mark Koh and Mike Renz The Technology • Speaker - an electroacoustic transducer that produces sound in response to an.
Download ReportTranscript Speakers & Microphones Mark Koh and Mike Renz The Technology • Speaker - an electroacoustic transducer that produces sound in response to an.
Slide 1
Speakers & Microphones
Mark Koh and Mike Renz
Slide 2
The Technology
• Speaker - an electroacoustic transducer that
produces sound in response to an electrical
audio signal input.
• Microphone - an acoustic-to-electric
transducer or sensor that converts sound into
an electrical signal.
Speakers and Microphones | 4.8.2011
Slide 3
Speakers: How They Work
Stupid Link?
Speakers and Microphones | 4.8.2011
Slide 4
Microphones: How They Work
Speakers and Microphones | 4.8.2011
Slide 5
The History of the Speaker
• Invented by Alexander Graham Bell in 1876 in
the process of making the first telephone.
Speakers and Microphones | 4.8.2011
Slide 6
The History of the Microphone
• First conceptualized by Charles Wheatstone
around 1827, but modernized in 1876 by
Emile Berliner who invented the first
microphone used as a telephone voice
transmitter.
Speakers and Microphones | 4.8.2011
Slide 7
How the Speaker Has Changed
• Amplified telephone receiver
• Cylinder compressed air amplifier
• Moving coil dynamic drivers
Speakers and Microphones | 4.8.2011
Slide 8
How the Microphone Has Changed
•
•
•
•
•
Stethoscopes
Voice transmitters
Carbon microphone
Broadcasting microphone
Dynamic microphone
Speakers and Microphones | 4.8.2011
Slide 9
Societal Benefits
•
•
•
•
Made the invention of the telephone possible
Large impact on entertainment as a whole
Made hearing aids possible
Communications
Speakers and Microphones | 4.8.2011
Slide 10
Thank you!
Questions, comments, concerns?
Speakers and Microphones | 4.8.2011
Slide 11
The Works
•
Bellis, Mary. “The History of Microphones.” Inventors. About.com, n.d. Web. 8 Apr. 2011.
.
•
Daintith, John. “Microphone.” Dictionary of Physics. New York, NY: Facts on File, 1981. 118. Print.
•
“Dynamic Microphones.” HowStuffWorks. Discovery Channel, n.d. Web. 6 Apr. 2011.
.
•
Harris, Tom. “How Speakers Work.” hostuffworks. Discovery Channel, n.d. Web. 4 Apr. 2011.
.
•
“History of Speakers.” Articlebase. N.p., 12 Mar. 2009. Web. 6 Apr. 2011.
.
•
Kirkland, Kyle. “Tape Recorders and Computer Disks.” Electricity and Magnetism. New York, NY: Facts on
File Inc., 2007. 36. Print.
Quantumplative Technologies | 12.7.2010
Slide 12
Quantumplative Technologies | 12.7.2010
Speakers & Microphones
Mark Koh and Mike Renz
Slide 2
The Technology
• Speaker - an electroacoustic transducer that
produces sound in response to an electrical
audio signal input.
• Microphone - an acoustic-to-electric
transducer or sensor that converts sound into
an electrical signal.
Speakers and Microphones | 4.8.2011
Slide 3
Speakers: How They Work
Stupid Link?
Speakers and Microphones | 4.8.2011
Slide 4
Microphones: How They Work
Speakers and Microphones | 4.8.2011
Slide 5
The History of the Speaker
• Invented by Alexander Graham Bell in 1876 in
the process of making the first telephone.
Speakers and Microphones | 4.8.2011
Slide 6
The History of the Microphone
• First conceptualized by Charles Wheatstone
around 1827, but modernized in 1876 by
Emile Berliner who invented the first
microphone used as a telephone voice
transmitter.
Speakers and Microphones | 4.8.2011
Slide 7
How the Speaker Has Changed
• Amplified telephone receiver
• Cylinder compressed air amplifier
• Moving coil dynamic drivers
Speakers and Microphones | 4.8.2011
Slide 8
How the Microphone Has Changed
•
•
•
•
•
Stethoscopes
Voice transmitters
Carbon microphone
Broadcasting microphone
Dynamic microphone
Speakers and Microphones | 4.8.2011
Slide 9
Societal Benefits
•
•
•
•
Made the invention of the telephone possible
Large impact on entertainment as a whole
Made hearing aids possible
Communications
Speakers and Microphones | 4.8.2011
Slide 10
Thank you!
Questions, comments, concerns?
Speakers and Microphones | 4.8.2011
Slide 11
The Works
•
Bellis, Mary. “The History of Microphones.” Inventors. About.com, n.d. Web. 8 Apr. 2011.
•
Daintith, John. “Microphone.” Dictionary of Physics. New York, NY: Facts on File, 1981. 118. Print.
•
“Dynamic Microphones.” HowStuffWorks. Discovery Channel, n.d. Web. 6 Apr. 2011.
•
Harris, Tom. “How Speakers Work.” hostuffworks. Discovery Channel, n.d. Web. 4 Apr. 2011.
•
“History of Speakers.” Articlebase. N.p., 12 Mar. 2009. Web. 6 Apr. 2011.
•
Kirkland, Kyle. “Tape Recorders and Computer Disks.” Electricity and Magnetism. New York, NY: Facts on
File Inc., 2007. 36. Print.
Quantumplative Technologies | 12.7.2010
Slide 12
Quantumplative Technologies | 12.7.2010