More Accurate and Efficient Analysis for Automatic Speech Recognition
更准确、更高效的自动语音识别分析
基本信息
- 批准号:914-2013
- 负责人:
- 金额:$ 2.11万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2013
- 资助国家:加拿大
- 起止时间:2013-01-01 至 2014-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Efficient communicating with machines via voice will facilitate interactions that so far have been hindered by awkward interfaces such as keyboards and telephone keypads. People nowadays have increasing need to interact with computers, yet this is still done mostly by typing. Even attempts to seek information by telephone often require many cycles of listening to long messages and then pushing a button, because our capability to do reliable automatic speech recognition (ASR) is quite limited. For some time now, refinements to basic ASR methods established years ago have improved performance, without radical changes to the basic approaches. The recent vast increase in computational power and memory size has led researchers to attack increasingly difficult tasks such as continuously-spoken, very-large-vocabulary, speaker-independent, noisy speech over the telephone. For some limited tasks, e.g., recognizing credit card numbers, or words drawn from medium-sized vocabularies and spoken with frequent pauses, recognition accuracy rises above 99%, and hence practical commercial products are available. However, progress has been slow for the more difficult tasks of recognizing conversational speech or noisy speech. Furthermore, recognition error rates remain high when generalized speaker-independent models are used to decode speakers not used in the training phase.
通过语音与机器进行高效沟通,将促进迄今因键盘和电话小键盘等笨拙的界面而受到阻碍的互动。如今,人们越来越需要与计算机互动,但这主要还是通过打字来完成的。即使是试图通过电话寻找信息,也往往需要听完长消息,然后按下按钮,因为我们进行可靠的自动语音识别(ASR)的能力相当有限。一段时间以来,多年前建立的基本ASR方法的改进提高了性能,而基本方法没有根本改变。最近计算能力和内存大小的巨大增长导致研究人员解决了越来越困难的任务,例如连续说话、非常大的词汇量、不依赖于说话人的电话语音和噪声。对于一些有限的任务,例如识别信用卡号,或者从中等大小的词汇中提取的频繁停顿的单词,识别准确率提高到99%以上,因此可以获得实用的商业产品。然而,在识别会话语音或嘈杂语音这一更困难的任务上,进展一直很缓慢。此外,当使用广义的说话人无关模型来解码训练阶段不使用的说话人时,识别错误率仍然很高。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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OShaughnessy, Douglas其他文献
OShaughnessy, Douglas的其他文献
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{{ truncateString('OShaughnessy, Douglas', 18)}}的其他基金
More efficient and accurate automatic speech recognition
自动语音识别更高效、准确
- 批准号:
RGPIN-2018-05226 - 财政年份:2022
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More efficient and accurate automatic speech recognition
自动语音识别更高效、准确
- 批准号:
RGPIN-2018-05226 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More efficient and accurate automatic speech recognition
自动语音识别更高效、准确
- 批准号:
RGPIN-2018-05226 - 财政年份:2020
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More efficient and accurate automatic speech recognition
自动语音识别更高效、准确
- 批准号:
RGPIN-2018-05226 - 财政年份:2019
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More efficient and accurate automatic speech recognition
自动语音识别更高效、准确
- 批准号:
RGPIN-2018-05226 - 财政年份:2018
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More Accurate and Efficient Analysis for Automatic Speech Recognition
更准确、更高效的自动语音识别分析
- 批准号:
914-2013 - 财政年份:2017
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More Accurate and Efficient Analysis for Automatic Speech Recognition
更准确、更高效的自动语音识别分析
- 批准号:
914-2013 - 财政年份:2016
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More Accurate and Efficient Analysis for Automatic Speech Recognition
更准确、更高效的自动语音识别分析
- 批准号:
914-2013 - 财政年份:2015
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
More Accurate and Efficient Analysis for Automatic Speech Recognition
更准确、更高效的自动语音识别分析
- 批准号:
914-2013 - 财政年份:2014
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Improving basic methods of automatic speech recognition
改进自动语音识别的基本方法
- 批准号:
914-2008 - 财政年份:2012
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
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$ 2.11万 - 项目类别:
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更准确、更高效的自动语音识别分析
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