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Method for improving background noise of a speech processing system and a speech processing system

A voice processing and voice technology, applied in the field of interactive experience, can solve the problems of increasing the environmental noise level and changing it

Inactive Publication Date: 2008-06-25
NUANCE COMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First, it increases the noise level of the environment, which may cause nearby individuals to increase the volume of their own conversations in proportion to this volume increase, causing the original problems at the increased noise level
Second, simply raising the volume on a voice-enabled system can lead to barge-in detection issues and / or variable effective volume control
Also, when dynamic volume adjustments are in place, the speech recognition process can be hampered by changing volume levels as the environment becomes louder and quieter

Method used

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  • Method for improving background noise of a speech processing system and a speech processing system
  • Method for improving background noise of a speech processing system and a speech processing system
  • Method for improving background noise of a speech processing system and a speech processing system

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Embodiment Construction

[0015] FIG. 1 is a schematic diagram of a system 100 that artificially generates white noise to improve the user experience with voice-enabled automated systems, in accordance with an embodiment of the inventive arrangements disclosed herein. In system 100, user 110 may attempt to use speech processing system 120 in acoustic environment 105 that contains a certain amount of ambient noise. For example, user 110 may be using a voice-enabled mobile phone inside a car playing a radio.

[0016] Acoustic environment 105 may contain user 110 , microphone 115 , and speakers 117 and 119 . Microphone 115 may optionally detect ambient noise levels 140 of acoustic environment 105 and communicate these levels to speech processing system 120 . Receipt of this information may cause the speech processing system 120 to set the noise level 142 of the white noise generator 130 .

[0017] In an alternative embodiment, the speech processing system 120 may not be able to configure the noise level...

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Abstract

A speech processing system for improving a user's experience with a speech-enabled system using artificially generated white noise. The system can include an audible environment that includes at least one microphone and at least one speaker, a white noise generator, a white noise removal engine, and a speech processing system. The white noise generator can be configured to generate white noise to be audibly presented in the audible environment. This white noise can be captured in speech input and the white noise removal engine can digitally preprocess the input to remove the white noise components. The preprocessed input can be processed by the speech processing system and the speech processing system can create speech output based on the received input.

Description

technical field [0001] The present invention relates to the field of speech processing, and more particularly, to improving the interactive experience with a speech-enabled system through the use of artificially generated white noise. Background technique [0002] Problems often arise when using automatic voice-enabled systems in noisy environments. A user attempting to listen to the automatically generated speech output may have difficulty hearing or concentrating on the speech output due to background noise. That is, users of voice-enabled systems are prone to being distracted by nearby conversations and sounds, which results in a relatively unsatisfactory interactive experience with the voice-enabled system. [0003] Environmental solutions such as acoustically walling off areas may be costly or may not be possible due to configuration details. For example, acoustically shielding a voice-enabled ATM machine can be costly, while trying to isolate an environment close to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/02G10L15/20G10L15/26
CPCG10L21/0208G10L15/20G10L21/02
Inventor B·D·麦茨D·达梅斯
Owner NUANCE COMM INC
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