线路均衡器控制方法，积分电路，频移电路和传输装置。

Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device.

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换句话说，它们只能用于录音和回放，而不是一个“循环”包含诸如环绕声处理器均衡器(用于音调控制)或其他电路。

In other words, they can only be used for tape recording and playback rather than for a "loop" containing an equalizer (for tone control) or other circuit such as a surround sound processor.

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该PM 700提供了一个额外的输入通道，使七加一共有7个波段灵活声音的塑造和反馈控制的图形均衡器。

The PM700 offers an extra input channel, making seven in total plus a seven band graphic equaliser for flexible sound shaping and feedback control.

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