Note:
This bibliographic page is archived and will no longer be updated.
For an up-to-date list of publications from the Music Technology Group see the
Publications list
.
Low-Latency Instrument Separation in Polyphonic Audio Using Timbre Models
| Title | Low-Latency Instrument Separation in Polyphonic Audio Using Timbre Models |
| Publication Type | Conference Paper |
| Year of Publication | 2012 |
| Conference Name | Latent Variable Analysis and Signal Separation - 10th International Conference, LVA/ICA |
| Authors | Marxer, R. , Janer J. , & Bonada J. |
| Pagination | 314-321 |
| Conference Start Date | 12/03/2012 |
| Publisher | Springer Berlin / Heidelberg |
| Conference Location | Tel Aviv, Israel |
| ISBN Number | 978-3-642-28550-9 |
| Abstract | This research focuses on the removal of the singing voice in polyphonic audio recordings under real-time constraints. It is based on time-frequency binary masks resulting from the combination of azimuth, phase difference and absolute frequency spectral bin classification and harmonic-derived masks. For the harmonic-derived masks, a pitch likelihood estimation technique based on Tikhonov regularization is proposed. A method for target instrument pitch tracking makes use of supervised timbre models. This approach runs in real-time on off-the-shelf computers with latency below 250ms. The method was compared to a state of the art Non-negative Matrix Factorization (NMF) offline technique and to the ideal binary mask separation. For the evaluation we used a dataset of multi-track versions of professional audio recordings. |
| preprint/postprint document | files/publications/lowlatency.pdf |
