Microphone types are the designs a microphone uses to convert air pressure changes into an electrical signal. The main kinds are dynamic, condenser, ribbon, and MEMS, and each suits different recording situations.
Why it matters
- Dynamic mics use a coil and magnet. They are rugged, need no power, and handle loud sources, which makes them common for live vocals and podcasts in untreated rooms.
- Condenser mics use a charged capacitor plate. They are more sensitive and detailed, but need power (often 48 V "phantom power" on XLR, or a USB interface) and pick up more room noise.
- Ribbon mics use a thin metal strip. They sound smooth but are delicate.
- MEMS mics are tiny silicon microphones found in phones, laptops, and smart speakers, often in arrays for beamforming.
Polar pattern also matters: cardioid mics favour sound from the front, omnidirectional mics pick up all around.
Example
A streamer in a noisy apartment typically gets cleaner audio from a cardioid dynamic mic close to the mouth than from a condenser a metre away, because the dynamic mic rejects distant sound.
Common mistakes
- Plugging a condenser XLR mic into an interface without enabling phantom power, then thinking it is broken.
- Speaking too far from the mic, raising the noise floor.
- Buying an expensive mic and ignoring room echo.
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