If it's the audio usage you refer to, it's definitely not novel: http://www.livescribe.com/en-us/smartpen/echo/ http://www.livescribe.com/en-us/smartpen/echo/

If it's the audio usage you refer to, it's definitely not novel: http://www.livescribe.com/en-us/smartpen/echo/ http://www.livescribe.com/en-us/smartpen/echo/ (there is also audio feedback there as far as I saw on youtube, not only recording)