Converting sound to electrical energy

In summary, it is possible to convert sound energy to electrical energy using piezo electric material, as it has been done for over 50 years in ceramic cartridges for record players and in some microphones. This has also been used in guitar pickups. However, the amount of energy produced from sound is not significant enough to be used as a useful resource, and living in an environment with high enough sound levels to generate this energy would be uncomfortable and potentially harmful.
  • #1
titothomas
1
0
Is there any possibility to converting sound energy to electrical energy by using piezo electric material.
 
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  • #2
Yes. It has been done for over 50 years in ceramic cartridges for record players and in some microphones.
 
  • #3
titothomas said:
Is there any possibility to converting sound energy to electrical energy by using piezo electric material.
Also used inguitar pickups
 
  • #4
Moderator's note: posts on a new topic were moved from original thread to newly created thread.
 
  • #5
titothomas said:
Is there any possibility to converting sound energy to electrical energy by using piezo electric material.

It used to be done all the time with the POT device (POT = plain old telephone)

http://www.packetworks.net/res/pub/images/phone_red.jpg
 
  • #6
I thought plain old telephones used a carbon mic.
 
  • #7
I think Av... is correct,I also don't think old fashioned phones used piezo crystals as microphones or speakers
 
  • #8
I think the question is more to do with what we mean by 'Energy'. Is it 'Energy' as a detectable signal or 'Energy' in the quantity that could be used as a useful resource.
As has been stated dozens of times before, there is just not enough 'Energy' around, in the form of sound, to provide us with any significant amount as a resource. A few milliWatts (maximum) is just not enough to make a significant difference to our lives.
To live in any conditions where there would be enough sound level to drive any of our equipment would involve wearing ear protectors and doing ourselves physical harm, probably. Do you want to live in the Dartford Tunnel or at the end of a Heathrow runway?
 

1. What is the process of converting sound to electrical energy?

The process of converting sound to electrical energy is known as transduction. This involves using a device called a microphone to capture sound waves and convert them into electrical signals.

2. How does a microphone convert sound waves into electrical signals?

A microphone contains a diaphragm that vibrates when sound waves hit it. This movement is then translated into an electrical current by a coil or capacitor within the microphone, which is then sent to an amplifier to be amplified.

3. What are the applications of converting sound to electrical energy?

Converting sound to electrical energy is essential in many applications, including communication devices such as telephones and radios, recording and playback devices like microphones and speakers, and medical devices such as hearing aids and ultrasound machines.

4. Can all sound be converted into electrical energy?

No, not all sound can be converted into electrical energy. Only audible sound waves within the range of human hearing (20 Hz to 20,000 Hz) can be converted into electrical signals by a microphone.

5. Is the conversion of sound to electrical energy an efficient process?

The efficiency of converting sound to electrical energy depends on the quality of the microphone and the electrical components used in the process. However, in general, this process is considered to be highly efficient, with very little loss of energy during the conversion process.

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