The following questions are NOT sorted.
1. What is dynamic headphone?
All headphones are either dynamic or electrostatic. For a dynamic headphone, electrical signal is transmitted to the a magnet in the headphone and causes the vibration of voice coil in the diaphragm structure, which in turns produce sound wave that goes into our eardrums.
2. What is a diaphragm?
A diaphragm is a kind of structure aiming at inter-convert sound and the other form of energy. Usually it is “a paper, fibrous or plastic cone-shaped object” .
3. What is elestrostatic headphone?
Electrostatic headphones usually require an amplifier to create an electric field which causes “air through perforations in sandwiched metal plates, surrounding a thin plastic membrane” .
4. Which one is better, dynamic or electrostatic?
Normally electrostatic headphones can produce sound with higher quality; however they are more expensive.
5. How many types of headphones are there?
Basically there are three main types of headphones, as shown in the following table:
|Description||Wrapping and surrounding the ears||Sitting on top of the ears||Being placed directly outside of the ear canal|
|Isolating noises||Strongly —————————————————————-> Weakly|
|Size||Big ——————————————————————–> Small|
|Weight||Heavy ——————————————————————–> Light|
|Emerging time||Early ——————————————————————–> Late|