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A graphic equalizer is an audio equipment that is used to compensate for irregularities in the listening environment or to match the sound to the listener’s taste. It is commonly available as 2-octave (5 bands), 1-octave (10 or 11 bands), or ⅓-octave (30 bands). This reference design features a 1-octave or 10 band stereo graphic equalizer that utilizes the LME49720. The whole design is composed of the power supply and two identical circuits for the graphic equalizer. This 10 band stereo graphic equalizer can be used as equalizer for audio players or musical instruments. Read More

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