A Watermarking Approach for MIDI File Based on Velocity and Duration Modulation

Authors:
Alexander Adli;Hanane Mirza;Zensho Nakao
Affiliations:
Graduate School of Engineering & Science, University of the Ryukyus, Okinawa, Japan 903-0213;Graduate School of Engineering & Science, University of the Ryukyus, Okinawa, Japan 903-0213;Department of Electrical & Electronics Engineering, University of the Ryukyus, Okinawa, Japan 903-0213
Venue:
KES '08 Proceedings of the 12th international conference on Knowledge-Based Intelligent Information and Engineering Systems, Part II
Year:
2008

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Abstract

The feasibility of inserting a signature into a musical file is proven to be one of widely used technique for copyright and security purposes. In this paper we present a brief overview of the watermarking approaches and implementation in simple MIDI files (SMF). The authors suggest a method based on velocity and duration modulation to embed a digital logo representing watermark data. The watermark robustness is shown via experiments with simulated attacks. Potential problems are discussed in further studies.