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The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio .
A stump microphone, informally known as a stump mic, is a microphone embedded in a cricket stump. It was originally developed by Kerry Packer for World Series Cricket in the 1970s. [ 1 ] At first it was primarily for entertainment value: "television audiences could hear the rattle of stumps".
Spill occurs when sound is detected by a microphone not intended to pick it up (for example, the vocals being detected by the microphone for the guitar). [3] Spill is often undesirable in popular music recording, [4] as the combined signals during the mix process can cause phase cancellation and may cause difficulty in processing individual tracks. [2]
A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...
A Soundfield microphone kit, consisting of the microphone and a signal processor, produces two distinct sets of audio signals called A-Format and B-Format. The sound processor may be either dedicated hardware, or a computer running software. The software processing may be done in real-time during the recording, or later offline.
The EyeToy is a color webcam for use with the PlayStation 2. Supported games use computer vision and gesture recognition to process images taken by the EyeToy. This allows players to interact with the games using motion, color detection, and also sound, through its built-in microphone. It was released in 2003 and in total, it has 6 million sales.
In close miking, a microphone is placed relatively close to an instrument or sound source, within three to twelve inches, producing a dry or non-reverberant sound. [1] This serves to reduce extraneous noise, including room reverberation and is commonly used when attempting to record a number of separate instruments while keeping the signals ...
It was the subject of the world's first webcam, created by Quentin Stafford-Fraser and Paul Jardetzky in 1991. To save people working in the building the disappointment of finding the coffee machine empty after making the trip to the room, a camera was set up providing a live picture of the coffee pot to all desktop computers on the office network.