1. 完成了语音识别的C++业务层封装，测试通过

2. 试着测试了一下LVGL_GIF渲染+音乐播放+语音识别的组合简单优化后，
          发现lvgl渲染略显卡顿，语音识别有缓冲区空警告，不过无伤大雅，还需要进一步深度优化。

sdkconfig

@@ -560,26 +560,26 @@ CONFIG_SR_MN_EN_NONE=y
 #
 # Add Chinese speech commands
 #
-CONFIG_CN_SPEECH_COMMAND_ID0="da kai kong tiao"
-CONFIG_CN_SPEECH_COMMAND_ID1="guan bi kong tiao"
-CONFIG_CN_SPEECH_COMMAND_ID2="zeng da feng su"
-CONFIG_CN_SPEECH_COMMAND_ID3="jian xiao feng su"
-CONFIG_CN_SPEECH_COMMAND_ID4="sheng gao yi du"
-CONFIG_CN_SPEECH_COMMAND_ID5="jiang di yi du"
-CONFIG_CN_SPEECH_COMMAND_ID6="zhi re mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID7="zhi leng mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID8="song feng mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID9="jie neng mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID10="chu shi mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID11="jian kang mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID12="shui mian mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID13="da kai lan ya"
-CONFIG_CN_SPEECH_COMMAND_ID14="guan bi lan ya"
-CONFIG_CN_SPEECH_COMMAND_ID15="kai shi bo fang"
-CONFIG_CN_SPEECH_COMMAND_ID16="zan ting bo fang"
-CONFIG_CN_SPEECH_COMMAND_ID17="ding shi yi xiao shi"
-CONFIG_CN_SPEECH_COMMAND_ID18="da kai dian deng"
-CONFIG_CN_SPEECH_COMMAND_ID19="guan bi dian deng"
+CONFIG_CN_SPEECH_COMMAND_ID0=""
+CONFIG_CN_SPEECH_COMMAND_ID1=""
+CONFIG_CN_SPEECH_COMMAND_ID2=""
+CONFIG_CN_SPEECH_COMMAND_ID3=""
+CONFIG_CN_SPEECH_COMMAND_ID4=""
+CONFIG_CN_SPEECH_COMMAND_ID5=""
+CONFIG_CN_SPEECH_COMMAND_ID6=""
+CONFIG_CN_SPEECH_COMMAND_ID7=""
+CONFIG_CN_SPEECH_COMMAND_ID8=""
+CONFIG_CN_SPEECH_COMMAND_ID9=""
+CONFIG_CN_SPEECH_COMMAND_ID10=""
+CONFIG_CN_SPEECH_COMMAND_ID11=""
+CONFIG_CN_SPEECH_COMMAND_ID12=""
+CONFIG_CN_SPEECH_COMMAND_ID13=""
+CONFIG_CN_SPEECH_COMMAND_ID14=""
+CONFIG_CN_SPEECH_COMMAND_ID15=""
+CONFIG_CN_SPEECH_COMMAND_ID16=""
+CONFIG_CN_SPEECH_COMMAND_ID17=""
+CONFIG_CN_SPEECH_COMMAND_ID18=""
+CONFIG_CN_SPEECH_COMMAND_ID19=""
 CONFIG_CN_SPEECH_COMMAND_ID20=""
 CONFIG_CN_SPEECH_COMMAND_ID21=""
 CONFIG_CN_SPEECH_COMMAND_ID22=""