speech input circuit

例句：

1. 1. This device is designed to improve the quality of voice input in a computer system.
   这个设备旨在提高计算机系统中语音输入的质量。
2. 2. The speech input circuit has been upgraded to support higher-quality audio recording.
   语音输入电路已升级，以支持更高质量音频录制。
3. 3. The new model of speech input circuit has received positive feedback from users.
   新型号的语音输入电路已获得用户积极反馈。