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Review of the Opus Codec in a WebRTC Scenario for Audio and Speech Communication

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Speech and Computer (SPECOM 2015)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 9319))

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Abstract

The Internet Engineering Task Force (IETF) – the open Internet standards-development body – considers the Opus codec as a highly versatile audio codec for interactive voice and music transmission. In this review we survey the dynamic functioning of the Opus codec within a Web Real-Time Communication (WebRTC) framework based on the Google Chrome browser. The codec behavior and the effectively utilized features during the active communication process are tested and analyzed under various testing conditions. In the experiments, we verify the Opus performance and interactivity. Relevant codec parameters can easily be adapted in application development. In addition, WebRTC framework-coded speech achieves a similar MOS assessment compared to stand-alone Opus coding.

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References

  1. Alvestrand, H.: Overview: real time protocols for brower-based applications draft-ietf-rtcweb-overview-11. Internet-Draft. http://tools.ietf.org/id/draft-ietf-rtcweb-overview-11.txt. Accessed August 2014

  2. Falin, J., Vos, K., Terriberry, T.: Definition of the Opus audio codec. RFC 6716 (Proposed Standard), September 2012. http://www.ietf.org/rfc/rfc6716.txt

  3. Google Inc.: Webrtc, September 2014. http://www.webrtc.org/

  4. Hoene, C., Valin, J., Vos, K., Skoglund, J.: Summary of Opus listening test results draft-ietf-codec-results-03. Internet-Draft, May 2013. http://tools.ietf.org/html/draft-ietf-codec-results-03. Accessed April 2015

  5. ITU-T: Methods for objective and subjective assessment of speech quality (POLQA): perceptual objective listening quality assessment. REC P.863, International Telecommunication Union (Telecommunication Standardization Sector), September 2014. http://www.itu.int/rec/T-REC-P.863-201409-I/en

  6. Jennings, C., Narayanan, A., Burnett, D., Bergkvist, A.: WebRTC 1.0: real-time communication between browsers. W3C Editor’s Draft, W3C, March 2015. http://w3c.github.io/webrtc-pc/. Accessed April 2015

  7. Jokisch, O., Maruschke, M., Meszaros, M., Iaroshenko, V.: Audio and speech quality survey of the opus codec in web real-time communication, October 2015 (to be published)

    Google Scholar 

  8. Vos, K., Jensen, S., Sorensen, K.: SILK speech codec: draft-vos-silk-02. Internet-Draft, September 2010. http://tools.ietf.org/html/draft-vos-silk-02. Accessed April 2015

  9. Valin, J.M., Terriberry, T.B., Montgomery, C., Maxwell, G.: A high-quality speech and audio codec with less than 10 ms delay. IEEE Trans. Audio Speech Lang. Process. 18(1), 58–67 (2010)

    Article  Google Scholar 

  10. Valin, J.M., Maxwell, G., Terriberry, T., Vos, K.: High-quality, low-delay music coding in the opus codec. AES Convention, October 2013

    Google Scholar 

  11. Valin, J.M., Maxwell, G., Terriberry, T., Vos, K.: Voice coding with opus. AES Convention, October 2013

    Google Scholar 

  12. Xiph.Org: libOpus, September 2014. http://www.opus-codec.org/downloads/

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Correspondence to Oliver Jokisch .

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© 2015 Springer International Publishing Switzerland

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Maruschke, M., Jokisch, O., Meszaros, M., Iaroshenko, V. (2015). Review of the Opus Codec in a WebRTC Scenario for Audio and Speech Communication. In: Ronzhin, A., Potapova, R., Fakotakis, N. (eds) Speech and Computer. SPECOM 2015. Lecture Notes in Computer Science(), vol 9319. Springer, Cham. https://doi.org/10.1007/978-3-319-23132-7_43

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  • DOI: https://doi.org/10.1007/978-3-319-23132-7_43

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-23131-0

  • Online ISBN: 978-3-319-23132-7

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