Real-time Soundprism

This paper presents a parallel real-time sound source separation system for decomposing an audio signal captured with a single microphone in so many audio signals as the number of instruments that are really playing. This approach is usually known as Soundprism . The application scenario of the syst...

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Bibliographic Details
Published in:The Journal of supercomputing 2019-03, Vol.75 (3), p.1594-1609
Main Authors: Muñoz-Montoro, A. J., Ranilla, J., Vera-Candeas, P., Combarro, E. F., Alonso-Jordá, P.
Format: Article
Language:English
Subjects:
Audio signals
Compilers
Computer Science
Interpreters
Microprocessors
Power consumption
Processor Architectures
Programming Languages
Real time
Sound sources
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Summary:This paper presents a parallel real-time sound source separation system for decomposing an audio signal captured with a single microphone in so many audio signals as the number of instruments that are really playing. This approach is usually known as Soundprism . The application scenario of the system is for a concert hall in which users, instead of listening to the mixed audio, want to receive the audio of just an instrument, focusing on a particular performance. The challenge is even greater since we are interested in a real-time system on handheld devices, i.e., devices characterized by both low power consumption and mobility. The results presented show that it is possible to obtain real-time results in the tested scenarios using an ARM processor aided by a GPU, when this one is present.
ISSN:0920-8542
1573-0484
DOI:10.1007/s11227-018-2703-0