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Implementation method for prefetching voice data in use for system of voice value added service

An implementation method and technology for value-added services, applied in the field of computer communication, can solve problems such as being unsuitable for voice value-added services based on VoiceXML language, and achieve the effects of reducing service response time, accurate voice resources, and high accuracy.

Inactive Publication Date: 2006-12-06
BEIJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

However, most of the existing methods for prefetching resources are aimed at ordinary Web services based on HTML language, and are not suitable for voice value-added services based on VoiceXML language.

Method used

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  • Implementation method for prefetching voice data in use for system of voice value added service
  • Implementation method for prefetching voice data in use for system of voice value added service
  • Implementation method for prefetching voice data in use for system of voice value added service

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] As we all know, in a page of a VoiceXML file, there are often multiple dialogs Dialog, and dialogs are composed of form elements and the menu element , each of which references one or more speech resources. As the smallest unit for the system to perform jumps in the VoiceXML file, the dialog is the main body of interaction with the user. Moreover, the user's jump between conversations usually has a Markov property, that is, the jump at time t 0 Under the condition that the state is known, at time t>t 0 The conditional distribution of the state and the conditional distribution at time t 0 The previous state is irrelevant. For convenience of description, the present invention sets all voice resources included in a dialog as a minimum prefetching unit,...

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Abstract

The method comprises: 1) system researches the working habit of users, namely calculating the probability (Pij)of a process from one dialog (di) to the other dialog (dj), and the average time (u) of changing system state; 2) when the system varies or reaches a predetermined period, the system calculates the prefetch probability (Pj) of each dialog (dj); 3) according to the value of prefetch probability and the memory capacity, the system makes prefetch for the dialog with higher prefetch probability by using the occupation type priority approach.

Description

technical field [0001] The invention relates to a method for performance optimization of a voice value-added service system, more precisely, a method for realizing prefetching voice resources for a voice value-added service system, and belongs to the technical field of computer communication. Background technique [0002] The voice value-added service is based on the traditional voice service, through multiple access methods such as voice, SMS, MMS, WAP, etc., to provide end users with a voice-based service that integrates various types of voice and data services. A value-added service that integrates information acquisition and information interaction. The voice value-added service system uses the voice extension markup language VoiceXML to realize network functions, and is open to service providers. In this way, the service provider can conveniently use the VoiceXML language to write the specific content of the service in the form of a VoiceXML page file, explain and exec...

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Application Information

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IPC IPC(8): H04M3/42H04L29/06
Inventor 廖建新王晶王纯李炜王文林朱晓民武家春张磊樊利民程莉
Owner BEIJING UNIV OF POSTS & TELECOMM
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