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Vocabulary in acoustics

Key words in acoustic.

About sound wave


Introducing the enclosure of speaker

Bigger speaker always louder.

The relationship between Watt and SPL

About waterproof speaker

The reason why the speaker emit noise

The difference between the speaker and the receiver

Speaker Cabinet Design Guide

The diaphragm of speaker

How to choose the speaker


Magnetic and Piezo Buzzer

Buzzer circuits

The difference between the self drive and external drive buzzers

The buzzer noise

Choose a right buzzer

Speaker and Buzzer

The influence of operation voltage on SPL of a buzzer

How to mounting piezo element

Distinguish piezo and magnetic buzzer by appearance

Condenser Microphone

Condenser Microphone noise issue

Electret condenser microphone and Dynamic microphone

The Rubber Holder

The microphone output is too low

When to choose the directional or noise canceling microphone?

The directional of the microphone

About Microphone sensitivity.

Test condition makes the impact on the sensitivity of microphone

Notice of soldering and assembling the microphone

To know basic spec. from the microphone appearance

Microphone array

Design guide of microphone array

How to choose the microphone


How to pay via Paypal

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