期刊
PROCEEDINGS OF THE IEEE
卷 98, 期 6, 页码 995-1005出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPROC.2009.2030345
关键词
Audio coding; basis functions; discrete cosine transforms; Fourier transforms; music; signal representations; wavelet transforms
资金
- EU [FP7-ICT-225913-SMALL]
- UK Engineering and Physical Sciences Research Council (EPSRC)
- Scottish Funding Council
- Engineering and Physical Sciences Research Council [EP/G007144/1, EP/F039697/1] Funding Source: researchfish
- EPSRC [EP/F039697/1, EP/G007144/1] Funding Source: UKRI
Sparse representations have proved a powerful tool in the analysis and processing of audio signals and already lie at the heart of popular coding standards such as MP3 and Dolby AAC. In this paper we give an overview of a number of current and emerging applications of sparse representations in areas from audio coding, audio enhancement and music transcription to blind source separation solutions that can solve the cocktail party problem. In each case we will show how the prior assumption that the audio signals are approximately sparse in some time-frequency representation allows us to address the associated signal processing task.
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