23-08-2016, 03:18 PM
To get information about library sound level meter with audio announcement refer the page link below
http://mytopicstopic-A-PROJECT-REPORT-ON-SOUND-LEVEL-METER-WITH-AUDIO-ANNOUNCEMENT-FOR-LIBRARY
http://mytopicstopic-A-PROJECT-REPORT-ON-SOUND-LEVEL-METER-WITH-AUDIO-ANNOUNCEMENT-FOR-LIBRARY