A velocity microphone is a sensor whose electric output depends on the velocity of the air particles that form a sound wave . Examples are a hot-wire microphone and a ribbon microphone (bi-directional).
Velocity-sensitive microphones also respond much more to wind noise than pressure sensitive microphones (omnis). You get heavy bass tip-up or proximity effect if the sound source is close to the microphone. Cheers ebs
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A velocity microphone is a type of microphone that responds to sound based on the air velocity near the diaphragm. It is sensitive to air movement and is often used in specialized applications such as measuring wind noise or in acoustic research.
Think about what happens in a microphone as that's what a microphone does.
When sound waves reach a microphone, they cause the microphone diaphragm to vibrate. These vibrations are then converted into electrical signals by the microphone's transducer, typically a coil or capacitor. The electrical signals are then transmitted through the microphone cable to a recording device or amplifier.
A microphone converts sound energy (acoustic energy) into electrical energy. The starting energy is the acoustic energy from the sound waves that enter the microphone and the finishing energy is the electrical signal output by the microphone.
The shield placed around a microphone to exclude sound is called a microphone windscreen or microphone pop filter. It helps to reduce background noise, plosives, and wind interference during audio recordings.
To set up a roving microphone for a group situation, you would need a wireless microphone, a receiver to pick up the microphone signal, a sound system to amplify the audio, and a portable speaker if needed. It's also helpful to have a staff member to manage the roving microphone and ensure it is passed around efficiently.