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公开(公告)号：IL135192A
公开(公告)日：2004-06-20
申请号：IL13519200
申请日：2000-03-21
Applicant: IBM
Inventor： CHAZAN DAN , COHEN GILAD , HOORY RON
Abstract: A method for speech synthesis includes receiving an input speech signal containing a set of speech segments, and estimating spectral envelopes of the input speech signal in a succession of time intervals during each of the speech segments. The spectral envelopes are integrated over a plurality of window functions in a frequency domain so as to determine elements of feature vectors corresponding to the speech segments. An output speech signal is reconstructed by concatenating the feature vectors corresponding to a sequence of the speech segments.
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公开(公告)号：GB2354396A
公开(公告)日：2001-03-21
申请号：GB0013177
申请日：2000-06-01
Applicant: IBM
Inventor： SIVAN ZOHAR , COHEN GILAD , KRUPNIK HAGAI , MIZRAHY ZVI
Abstract: A Java implemented system connects a telephony Voice-response system, such as a Voice-mail box or an IVR, and a terminal over the Internet. An IP-PSTN gateway is used to bridge the telephony world and the IP network. A Java-based client 17 communicates with a standard HTTP web server 16 for sending dialing information and other instructions to the Voice-response system. The web server communicates with the IP-PSTN gateway 13 using a servlet 14 or cgi-bin script running on the HTTP web server. Instructions pass to the Voice-response system and audio data is sent in real-time from the Voice-response system to the gateway, where it is compressed and forwarded to the client which decompresses the audio data and plays the messages. The user operates the Voice-response system in conventional manner, so that standard Voice-response functionality is maintained. The client is written in Java as an applet, so any Java-enabled web browser can run the client and connect to the HTTP web server. Dialing information and instructions which are sent from the applet to the Voice-response system, can be easily configured in the client.
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