get the sampling rate , in hz concode_field_sep int MPEG_V2_5 concode_elem_sep int MPEG_V1 concode_elem_sep int MPEG_V2 concode_elem_sep int length concode_elem_sep int LAYER_1 concode_elem_sep int LAYER_2 concode_elem_sep int LAYER_3 concode_elem_sep String version concode_elem_sep int sampleRate concode_elem_sep int versionCode concode_elem_sep int layer concode_elem_sep float duration concode_elem_sep int channels concode_elem_sep int bitRate concode_field_sep String getVersion concode_elem_sep int getBitRate concode_elem_sep float getDuration concode_elem_sep int getLayer concode_elem_sep int getChannels concode_elem_sep boolean isAudioHeader concode_elem_sep int getLength concode_elem_sep String generateVersionStr concode_elem_sep int getVersionCode
int function ( ) { return sampleRate ; }