Frequency Response

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Frequency Response

Frequency response is a measure of a system's output acoustics:amplitude in dB versus the output acoustics:frequency in Hz for a given stimulus. In case of a loudspeaker, the acoustics:sound pressure is measured as a function of frequency. Pink noise is commonly used as a measurement signal.

A frequency response diagram can be taken to show the acoustics:tonal balance of a system. An ideal loudspeaker has a "flat" frequency response, meaning equal output for any frequency between 20 Hz and 20 kHz, which corresponds to a neutral tonal balance.