Tsai, Kun-YiKun-YiTsaiLu, Yung-FengYung-FengLuPang, Ai-ChunAi-ChunPangTEI-WEI KUOAI-CHUN PANG2020-05-042020-05-042009https://scholars.lib.ntu.edu.tw/handle/123456789/490002[SDGs]SDG17The speech quality analysis of push-to-talk services.conference paper10.1109/WCNC.2009.4917987https://doi.org/10.1109/WCNC.2009.4917987