TY - CONF T1 - Audio-to-score alignment at the note level for orchestral recordings T2 - 15th International Society for Music Information Retrieval Conference Y1 - 2014 A1 - Marius Miron A1 - Julio José Carabias A1 - Janer, J. KW - audio-to-score alignment KW - offset detection JF - 15th International Society for Music Information Retrieval Conference CY - Taipei, Taiwan ER - TY - CONF T1 - Low-latency Bass Separation using Harmonic-Percussion Decomposition T2 - International Conference on Digital Audio Effects Conference (DAFx-13) Y1 - 2013 A1 - Marxer, R. A1 - Janer, J. AB -
Many recent approaches to musical source separation rely on model-based inference methods that take into account the signal’s harmonic structure. To address the particular case of low-latency bass separation, we propose a method that combines harmonic decomposition using a Tikhonov regularization-based algorithm, with the peak contrast analysis of the pitch likelihood function. Our experiment compares the separation performance of this method to a naive low-pass filter, a state-of-the-art NMF-based method and a near-optimal binary mask. The proposed low-latency method achieves results similar to the NMF-based high-latency approach at a lower computational cost. Therefore the method is valid for real-time implementations.JF - International Conference on Digital Audio Effects Conference (DAFx-13) CY - Maynooth, Ireland UR - http://dafx13.nuim.ie/papers/11.dafx2013_submission_13.pdf ER - TY - CONF T1 - PHENICX: Performances as Highly Enriched aNd Interactive Concert Experiences T2 - SMAC Stockholm Music Acoustics Conference 2013 and SMC Sound and Music Computing Conference 2013 Y1 - 2013 A1 - Gómez, E. A1 - Grachten, M. A1 - Hanjalic, A. A1 - Janer, J. A1 - Jordà, S. A1 - Julià, C. F. A1 - Cynthia C. S. Liem A1 - Martorell, A. A1 - Schedl, M. A1 - Widmer, G. AB -
Modern digital multimedia and internet technology have radically changed the ways people find entertainment and discover new interests online, seemingly without any phys- ical or social barriers. Such new access paradigms are in sharp contrast with the traditional means of entertainment. An illustrative example of this is live music concert perfor- mances that are largely being attended by dedicated audi- ences only.
JF - SMAC Stockholm Music Acoustics Conference 2013 and SMC Sound and Music Computing Conference 2013
CY - Stockholm, Sweden
TY - CONF
T1 - Study of regularizations and constraints in NMF-based drums monaural separation
T2 - International Conference on Digital Audio Effects Conference (DAFx-13)
Y1 - 2013
A1 - Marxer, R.
A1 - Janer, J.
KW - drums
KW - NMF
KW - source Separation
This papers introduces the PHENICX project, which aims at enriching traditional concert experiences by using state- of-the-art multimedia and internet technologies. The project focuses on classical music and its main goal is twofold: (a) to make live concerts appealing to potential new au- dience and (b) to maximize the quality of concert experi- ence for everyone. Concerts will then become multimodal, multi-perspective and multilayer digital artifacts that can be easily explored, customized, personalized, (re)enjoyed and shared among the users. The paper presents the main scientific objectives on the project, provides a state of the art review on related research and presents the main chal- lenges to be addressed.
Drums modelling is of special interest in musical source separation because of its widespread presence in western popular music. Current research has often focused on drums separation without specifically modelling the other sources present in the signal. This paper presents an extensive study of the use of regularizations and constraints to drive the factorization towards the separation between percussive and non-percussive music accompaniment. The proposed regularizations control the frequency smoothness of the basis components and the temporal sparseness of the gains. We also evaluated the use of temporal constraints on the gains to perform the separation, using both ground truth manual annotations (made publicly available) and automatically extracted transients. Objective evaluation of the results shows that, while optimal regularizations are highly dependent on the signal, drum event position contains enough information to achieve a high quality separation.JF - International Conference on Digital Audio Effects Conference (DAFx-13) UR - http://dafx13.nuim.ie/papers/16.dafx2013_submission_16.pdf ER -