본 논문에서는 임베디드 리눅스 기반의 응용 서비스인 모바일 이야기꾼의 설계 및 구현에 대해서 기술한다. 모바일 이야기꾼은 음성 통신을 위해 CDMA 네트워크와 데이터 통신을 위해 와이브로 네트워크를 동시에 사용한다. 송신자가 CDMA와 WiBro를 지원하는 듀얼모드 단말에서 텍스트를 입력하면, 텍스트는 와이브로 네트워크를 통해 인터넷 상에 위치한 TTS 서버에 전달된다. 텍스트를 전달받은 TTS 서버는 텍스트를 음성으로 변경하고, 듀얼모드 지원 단말에 음성 데이터를 전송하게 된다. 마지막으로, 듀얼모드 지원 단말은 변환된 음성을 CDMA 네트워크를 통해 수신자에게 전달하게 된다. 모바일 이야기꾼은 주변환경이 시끄럽거나, 송신자가 언어장애가 있는 경우에도 사용자로 하여금 음성 통화를 할 수 있도록 지원한다.
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