Universal Audio Remote Control With Thirty-One Keys For Set Top Box / Clean Robot/ Mini Fan
The 31keys audio remote control in this embodiment specifically includes the remote control body.The remote control body comprises a remote control circuit 100 and an audio frequency circuit.The remote control circuit 100 comprises a master control circuit 101, a Bluetooth chip 102, a key 103, a key codecoding circuit 104, a speech acquisition circuit 105, a speech recognition chip 106 and a power management chip 107.The audio circuit comprises a DIGITal-to-analog conversion chip 108 and an audio output circuit 109.The audio output circuit 109 comprises a headphone jack;The main control circuit 101 is connected with Bluetooth chip 102, key codecoding circuit 104, language speech recognition chip 106, and power management chip 107
The key 103 is connected to the key codec circuit 104;The speech acquisition circuit 105 is connected to the speech recognition chip 106;The DIGITal-to-analog conversion chip 108 is connected with the main control circuit 101;The audio output circuit 109 is connected to a DIGITal-to-analog converter chip 108.The DIGITal-to-analog conversion chip 108 in this embodiment adopts the DAC0832 chip, and the D/A conversion integrated chip with 8 resolution at the time of the DAC0832 chip