Linear distortion - frequency response, polar response, resonance - affects primarily the timbre and clarity of a loudspeaker.

线性失真-频率响应，指向性响应，共振，主要影响音色和清晰度。

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A periodic or continuous check of such channel characteristics as delay distortion, frequency response, and noise in an effort to reduce or eliminate the causes of errors.

周期性地或连续地检验通道的某些性能，如延迟失真、频率响应及噪声等，以便消除或减少引起错误的原因。

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The DA-F60 incorporates neodymium magnets and a passive radiator to produce results typically found in high-end Hi-Fi audio systems, including tuned low-frequency reproduction and virtually no distortion even at high volumes.

ENGADGET: Samsung introduces its CES audio hardware, claims a world first