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Method and device for slowing a digital audio signal

A technology of digital sound signals and equipment, applied in speech analysis, speech recognition, instruments, etc., can solve problems such as interaction problems, and achieve the effect of transparent communication

Inactive Publication Date: 2014-05-07
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes interaction in communication problematic

Method used

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  • Method and device for slowing a digital audio signal
  • Method and device for slowing a digital audio signal

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Embodiment Construction

[0051] exist figure 1 In the embodiment of the invention shown, the device 1 comprises an input 2 receiving a digital sound signal 3 corresponding to a speaker's utterance, and an output 4 through which a decelerated digital sound signal 5 is sent to the receiving speaker. The speaker of the decelerated speech.

[0052] The input 2 is connected to a converter 6 whose function is to convert the digital sound signal 3 into a text 7 consisting of a sequence of words, for example in the format ASCII ("American Standard Code for Information Interchange").

[0053] The obtained text 7 is sent to a timestamp processor 8 which assigns to each word a timestamp bookmark, which means a sequence of characters representing a date and time (or "timestamp"). Time stamping is a mechanism that involves associating a date and time with computer data. This makes it possible to estimate how much time has elapsed from the reference moment. Timestamp bookmarks are assigned to the beginning and ...

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Abstract

A method for slowing a digital audio signal from the transmitter in order to transmit a slowed-down digital audio signal to a receiver, comprises the conversion of the digital audio signal received from a transmitter into a text made up of a series of words, assigning a timestamp bookmark to each word of the text, identifying words that belong to patterns referenced in a database of patterns to be eliminated, the definition of a rate of slowing, the adaptation of timestamped bookmarks to a slowed-down time frame based on the time of slowing, the slowing of the digital audio signal, the deletion of patterns to be eliminated, and the transmission to the receiver of a slowed-down digital audio signal.

Description

[0001] cross reference [0002] This application is based on French Patent Application No. 1157705 filed August 31, 2011, the contents of which are hereby incorporated by reference in their entirety, and the priority of which is hereby claimed under 35 U.S.C. §119. Background technique [0003] The present invention relates to a method for decelerating digital sound signals to enable effective real-time oral communication between people where at least one of the people is not fully fluent in the spoken language. [0004] One of the most embarrassing experiences is not being able to understand what a speaker of a different language is saying. We often have difficulty understanding languages ​​that are new to us. But one of the essences of human interaction is listening, understanding, and communicating with others. The world is becoming globally integrated and opportunities to communicate with people who speak different languages ​​are increasing. Linguistic diversity among...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/045G10L15/26
CPCG10L15/26G10L21/045G10L25/00
Inventor C·沃尔夫
Owner ALCATEL LUCENT SAS