the &ldquotalkpack &rdquo from wipak walsrodegmbh in germany, a system , which can be invisibly integrated into any printed image on any packaging material, but needs a special scanning pen.a special penshaped reader is used to retrieve thestored information and to replay it as audio files and renderspeech , music or sounds audible and thus the consumer can obtain information on the manufacturer, brand , shelflife orother information. talk pack does not require any rfid ormicrochips .the dot code is simply printed on top of imagesand texts using a special varnish.this technology can be used with all printing technologies and package types.     
