Sparse Chroma Estimation for Harmonic Non-Stationary Audio
(2015) 23rd European Signal Processing Conference, 2015 p.26-30- Abstract
- In this work, we extend on our recently proposed block sparse chroma estimator, such that the method also allows for signals with time-varying envelopes. Using a spline-based amplitude modulation of the chroma dictionary, the refined estimator is able to model longer frames than our earlier approach, as well as to model highly time-localized signals, and signals containing sudden bursts, such as trumpet or trombone signals, thus retaining more signal information than other methods for chroma estimation. The performance of the proposed estimator is evaluated on a recorded trumpet signal, clearly illustrating the improved performance, as compared to other used techniques.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/8046470
- author
- Juhlin, Maria ; Kronvall, Ted LU ; Swärd, Johan LU and Jakobsson, Andreas LU
- organization
- publishing date
- 2015
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- chromagram, amplitude modulation, block sparsity, convex optimization, ADMM
- host publication
- Signal Processing Conference (EUSIPCO), 2015 23rd European
- pages
- 5 pages
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- 23rd European Signal Processing Conference, 2015
- conference location
- Nice, France
- conference dates
- 2015-08-31 - 2015-09-04
- external identifiers
-
- scopus:84963967602
- DOI
- 10.1109/EUSIPCO.2015.7362338
- language
- English
- LU publication?
- yes
- id
- 6578e77c-c7fb-4080-84e9-0f02b0eb99dd (old id 8046470)
- date added to LUP
- 2016-04-04 11:40:08
- date last changed
- 2022-01-29 22:14:54
@inproceedings{6578e77c-c7fb-4080-84e9-0f02b0eb99dd, abstract = {{In this work, we extend on our recently proposed block sparse chroma estimator, such that the method also allows for signals with time-varying envelopes. Using a spline-based amplitude modulation of the chroma dictionary, the refined estimator is able to model longer frames than our earlier approach, as well as to model highly time-localized signals, and signals containing sudden bursts, such as trumpet or trombone signals, thus retaining more signal information than other methods for chroma estimation. The performance of the proposed estimator is evaluated on a recorded trumpet signal, clearly illustrating the improved performance, as compared to other used techniques.}}, author = {{Juhlin, Maria and Kronvall, Ted and Swärd, Johan and Jakobsson, Andreas}}, booktitle = {{Signal Processing Conference (EUSIPCO), 2015 23rd European}}, keywords = {{chromagram; amplitude modulation; block sparsity; convex optimization; ADMM}}, language = {{eng}}, pages = {{26--30}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, title = {{Sparse Chroma Estimation for Harmonic Non-Stationary Audio}}, url = {{https://lup.lub.lu.se/search/files/5827446/8046471.pdf}}, doi = {{10.1109/EUSIPCO.2015.7362338}}, year = {{2015}}, }