ETRI Journal

  • 제39권3호
  • /
  • Pages.310-318
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  • 2017
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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Single-Mode-Based Unified Speech and Audio Coding by Extending the Linear Prediction Domain Coding Mode

  • Beack, Seungkwon (Broadcasting & Media Research Laboratory, ETRI) ;
  • Seong, Jongmo (Broadcasting & Media Research Laboratory, ETRI) ;
  • Lee, Misuk (Broadcasting & Media Research Laboratory, ETRI) ;
  • Lee, Taejin (Broadcasting & Media Research Laboratory, ETRI)
  • 투고 : 2016.06.16
  • 심사 : 2017.01.04
  • 발행 : 2017.06.01
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초록

Unified speech and audio coding (USAC) is one of the latest coding technologies. It is based on a switchable coding structure, and has demonstrated the highest levels of performance for both speech and music contents. In this paper, we propose an extended version of USAC with a single-mode of operation-which does not require a switching system-by extending the linear prediction-coding mode. The main concept of this extension is the adoption of the advantages of frequency-domain coding schemes, such as windowing and transition control. Subjective test results indicate that the proposed scheme covers speech, music, and mixed streams with adequate levels of performance. The obtained quality levels are comparable with those of USAC.

키워드

참고문헌

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피인용 문헌

  1. 부가 정보를 이용하는 오토 인코더 기반의 오디오 고대역 부호화 기술 vol.24, pp.3, 2017, https://doi.org/10.5909/jbe.2019.24.3.387
  2. Two-Dimensional Audio Compression Method Using Video Coding Schemes vol.10, pp.9, 2021, https://doi.org/10.3390/electronics10091094