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918 IEEE TRANSACTIONS ON MULTIMEDIA, VOL. 8, NO. 5, OCTOBER 2006 Communication Over an Acoustic Channel
 

Summary: 918 IEEE TRANSACTIONS ON MULTIMEDIA, VOL. 8, NO. 5, OCTOBER 2006
Communication Over an Acoustic Channel
Using Data Hiding Techniques
Nevena Lazic and Parham Aarabi
Abstract--This work proposes an audio data hiding system
that hides information into signals not known beforehand. The
system can hide data into live music, or ambient sounds in general,
and can be used to communicate information acoustically from
one device to another. An important benefit of such a system is
backward-compatibility, as the transmitter is a speaker, and the
receiver is a microphone, both of which are already present in nu-
merous devices and environments. The highest data rate achieved
was 213 bits/s, while keeping the error rate under 10%. The
developed technique was applied in a simple navigation system,
where acoustic data embedded into background music indicates
the location of the receiver.
Index Terms--Acoustic communication, data hiding.
I. INTRODUCTION
CURRENT technology offers numerous ways of trans-
mitting information from one device to another. Most

  

Source: Aarabi, Parham - Department of Electrical and Computer Engineering, University of Toronto

 

Collections: Computer Technologies and Information Sciences