You want to record a tone. There is a noise that is lower in frequency than the
ID: 1591248 • Letter: Y
Question
You want to record a tone. There is a noise that is lower in frequency than the tone. What type of sound filter should you use to get rid of the noise without losing the tone?
A high-pass sound filter with its threshold above the noise
A low-pass sound filter with its threshold above the tone
A high-pass sound filter with its threshold below the noise
A low-pass sound filter with its threshold below the noise
1.A high-pass sound filter with its threshold above the noise
2.A low-pass sound filter with its threshold above the tone
3.A high-pass sound filter with its threshold below the noise
4.A low-pass sound filter with its threshold below the noise
Explanation / Answer
3 A high-pass sound filter with its threshold below the noise
Noise gates are commonly used in the recording studio and sound reinforcement. Rock musicians may also use small portable units to control unwanted noise from their amplification systems. Band-limited noise gates are also used to eliminate background noise from audio recordings by eliminating frequency bands that contain only static.
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