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| Taktspårning× | Melodieextraktion× | |
|---|---|---|
| Ämnesområde | Music information retrieval | Music information retrieval |
| Familj | Machine learning | Machine learning |
| Ursprungsår≠ | 2007 | 2008 |
| Upphovsperson≠ | David P. Ellis | Anssi Klapuri |
| Typ≠ | Audio signal processing algorithm | Polyphonic audio analysis |
| Ursprungskälla≠ | Ellis, D. P. (2007). Beat tracking by dynamic programming. Journal of New Music Research, 36(1), 51-60. DOI ↗ | Salamon, J., & Gómez, E. (2014). Melody extraction from polyphonic music signals using pitch contour characteristics. IEEE Transactions on Audio, Speech, and Language Processing, 20(6), 1759-1770. link ↗ |
| Alias | pulse detection, beat detection, metrical analysis | pitch contour extraction, melodic line extraction, f0 tracking |
| Närliggande | 5 | 5 |
| Sammanfattning≠ | Beat tracking is an algorithm for automatically identifying the temporal positions of musical beats in audio recordings. It has been widely studied since the early 2000s, particularly for rhythm analysis and music synchronization applications. The problem is central to music information retrieval and essential for music-aware systems. | Melody extraction is the task of automatically isolating the main melodic contour from polyphonic music recordings. It originated from music transcription research in the 2000s and addresses the core challenge of human pitch perception: identifying the perceptually dominant pitch when many instruments play simultaneously. Modern approaches use deep learning and are essential for music analysis, cover song detection, and music-to-lyrics alignment. |
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