miniDSP products are audio processors, with two or more audio input channels and two or more audio output channels. Inputs and outputs might be digital or analog, depending on the specific product. Typical applications include:
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Digital room correction – the DSP corrects errors in the audio signal caused by the acoustics of the room
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Digital crossovers – the DSP splits the signal into multiple frequency bands to feed amps for each speaker driver (tweeter, midrange, woofer)
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Equalization – the DSP is used to alter the frequency response of the audio signal, to improve the listening experience
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Active speakers – DSP and power amplification is combined into a single unit that is used to build a self-contained loudspeaker.