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AI Noise Reduction Microphone

1. Control Precautions

  1. Before powering on a new board, connect an ammeter to check if the system current is normal to avoid burning the chip due to high current.

  2. MIC-A and MIC-B channel microphone audio switches can only be alternately switched for testing. Opening both simultaneously will cause the volume to decrease.

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3. Important

For XLR channel connected to dynamic microphones, turn off the +48V switch to avoid damaging the microphone.

  1. The 10dB, 20dB, 30dB switches operate alternately to enable the corresponding gain value. Only one switch can be enabled at a time, the other two must be closed. For example, when enabling 10dB, the other two must be closed.

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  1. The white power indicator LED next to the USB is too bright. The resistor can be changed to 1.2-1.5K to reduce brightness.

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2. Button Description

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3. PC Control Software Usage

The software can be used to configure the required scenarios. After opening, there will be an operation interface and a log display cmd window.

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After adjusting the settings, click "Load" at the bottom left to apply the changes to the device. If the settings are successful, logs will be printed.

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After configuration, if you need to save the settings, click "Save".

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