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IFIP International Conference on Computer Information Systems and Industrial Management

CISIM 2019: Computer Information Systems and Industrial Management pp 433–444Cite as

Lossless and Lossy Audio Codecs for Low-Performance Microcontrollers for Use in IoT

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Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 11703))

Abstract

Internet of Things (IoT) is a very fast developing branch of IT. IoT needs low-power systems, that are often also low-performance. For such devices, there is a problem to use one of the popular audio codecs because of very high-performance demand, for example floating point operations. In this paper, two codecs: lossless and lossy are proposed.

Lossless codec makes use of the simple bit operations for reducing the number of bits needed to store one sample and therefore lead to reduce the size of the whole audio file. All needed arithmetic operations are executed very fast and thus don’t need a high performance of the microcontroller. Lossy codec additionally utilizes some principles borrowed from the decision systems, among them from rough-set theory. In this case, the resulting audio is lossy, but the difference is very small and thus could not be heard.

Experiments show that either lossless, as well as lossy codec, reduces the size of the audio file, and are very fast (don’t need high-performance microcontrollers), so can be used in IoT systems.

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Acknowledgment

This work was supported by grant S/WI/1/2018 from the Bialystok University of Technology and funded with resources for research by the Ministry of Science and Higher Education in Poland.

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Authors and Affiliations

  1. Faculty of Computer Science, Bialystok University of Technology, Bialystok, Poland

    Tomasz Grzes

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  1. Tomasz Grzes
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Correspondence to Tomasz Grzes .

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Editors and Affiliations

  1. Bialystok University of Technology, Bialystok, Poland

    Khalid Saeed

  2. University of Calcutta, Calcutta, India

    Rituparna Chaki

  3. Mihajlo Pupin Institute, Belgrade, Serbia

    Valentina Janev

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Grzes, T. (2019). Lossless and Lossy Audio Codecs for Low-Performance Microcontrollers for Use in IoT. In: Saeed, K., Chaki, R., Janev, V. (eds) Computer Information Systems and Industrial Management. CISIM 2019. Lecture Notes in Computer Science(), vol 11703. Springer, Cham. https://doi.org/10.1007/978-3-030-28957-7_36

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  • DOI: https://doi.org/10.1007/978-3-030-28957-7_36

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-28956-0

  • Online ISBN: 978-3-030-28957-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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