与SREC有关的代码
http://androidxref.com/source/xref/external/srec/
http://androidxref.com/source/xref/frameworks/base/core/java/android/speech/srec/
http://androidxref.com/source/xref/packages/apps/VoiceDialer/
http://androidxref.com/source/xref/packages/apps/SpeechRecorder/
