短語詞組短語speech h coder 語言編碼器speech waveform coder [通信]話音波形編碼器speech compression coder 語音壓縮編解碼adaptive speech coder 自適應語言編碼器dual rate speech coder 雙速率音頻編碼器speech coder standard 語音編碼標準EFR SPEECH CODER 增強型全速率話音編碼器speech coder and decoder 語音編譯碼variable -rate speech coder 變速率語音編碼器 返回 speech coder