return the frame rate of this format . concode_field_sep int sampleSizeInBits concode_elem_sep Encoding encoding concode_elem_sep float sampleRate concode_elem_sep boolean bigEndian concode_elem_sep float frameRate concode_elem_sep int frameSize concode_elem_sep int channels concode_elem_sep Encoding ALAW concode_elem_sep Encoding PCM_SIGNED concode_elem_sep String name concode_elem_sep Encoding ULAW concode_elem_sep Encoding PCM_UNSIGNED concode_elem_sep Map<String,Object> properties concode_field_sep Encoding getEncoding concode_elem_sep int getFrameSize concode_elem_sep Object getProperty concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep float getSampleRate concode_elem_sep int getChannels concode_elem_sep int getSampleSizeInBits concode_elem_sep boolean isBigEndian concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep boolean matches concode_elem_sep Map<String,Object> properties
float function ( ) { return frameRate ; }