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What does DSP in a car mean?

1 Answers

MaciAnn

07/30/25 7:25am

DSP in a car stands for Digital Signal Processor, which is a digital audio signal processing device. It first converts multi-channel input analog signals into digital signals, then applies a series of tunable algorithm processing to the digital signals to meet application requirements such as improving sound quality, matrix mixing, noise cancellation, echo cancellation, and feedback elimination. Finally, it outputs multi-channel analog signals through digital-to-analog conversion. Due to the limited space in cars with multiple speakers in non-ideal positions, irregular cabin shapes, strong glass reflections, and significant acoustic defects - combined with speaker frequency response limitations, enclosure materials and spatial constraints - the sound reaching human ears can have serious deviations. Therefore, digital audio signal processing becomes necessary to correct these defects through digital technology.

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