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Automatic Transcription of Recorded Music

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The automatic transcription of music recordings with the objective to derive a score-like representation from a given audio representation is a fundamental and challenging task. In particular for polyphonic music recordings with overlapping sound sources, current transcription systems still have problems to accurately extract the parameters of individual notes specified by pitch, onset, and duration. In this article, we present a music transcription system that is carefully designed to cope with various facets of music. One main idea of our approach is to consistently employ a mid-level representation that is based on a musically meaningful pitch scale. To achieve the necessary spectral and temporal resolution, we use a multi-resolution Fourier transform enhanced by an instantaneous frequency estimation. Subsequently, having extracted pitch and note onset information from this representation, we employ Hidden Markov Models (HMM) for determining the note events in a context-sensitive fashion. As another contribution, we evaluate our transcription system on an extensive dataset containing audio recordings of various genre. Here, opposed to many previous approaches, we do not only rely on synthetic audio material, but evaluate our system on real audio recordings using MIDI-audio synchronization techniques to automatically generate reference annotations.
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Document Type: Research Article

Publication date: March 1, 2012

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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