Fast communication: Double-talk detection based on soft decision for acoustic echo suppression

  • Authors:

  • Yun-Sik Park;Joon-Hyuk Chang

  • Affiliations:

  • School of Electronic Engineering, Inha University, Incheon 402-751, Republic of Korea;School of Electronic Engineering, Inha University, Incheon 402-751, Republic of Korea

  • Venue:
  • Signal Processing
  • Year:
  • 2010

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Abstract

In this paper, we propose a novel double-talk detection (DTD) technique based on a soft decision in the frequency domain. The proposed method provides an efficient procedure to detect the double-talk situation by the use of the global near-end speech presence probability (GNSPP) and voice activity detection (VAD) of the near-end and far-end signal. Specifically, the GNSPP is derived based on a statistical method of speech and is employed to determine the double-talk presence in a given frame. The performance of our approach is evaluated by objective tests under different environments, and it is found that the suggested method yields better results compared with the conventional scheme.