Automatic Synthesis of Background Music Track Data by Analysis of Video Contents

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  • Modegi Toshio
    Media Technology Research Center, Dai Nippon Printing Co., Ltd.

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  • 映像コンテンツ解析によるＢＧＭサウンドトラックの自動生成
  • エイゾウ コンテンツ カイセキ ニ ヨル BGM サウンドトラック ノ ジドウ セイセイ

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This paper describes an automatic creation technique of background music track data for given video file. Our proposed system is based on a novel BGM synthesizer, called “Matrix Music Player”, which can produce 3125 kinds of high-quality BGM contents by dynamically mixing 5 audio files, which are freely selected from total 25 audio waveform files. In order to retrieve appropriate BGM mixing patterns, we have constructed an acoustic analysis database, which records acoustic features of total 3125 synthesized patterns. Developing a video analyzer which generates image parameters of given video data and converts them to acoustic parameters, we will access the acoustic analysis database and retrieve an appropriate synthesized BGM signal, which can be included in the audio track of the source video file. Based on our proposed method, we have tried BGM synthesis experiments using several around 20-second video clips. The automatically inserted BGM audio streams for all of our given video clips have been objectively acceptable. In this paper, we describe briefly our proposed BGM synthesized method and its experimental results.

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