实时语音识别-百度智能云
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【更新时间: 2024.06.25】
WebSocket 是基于TCP的全双工协议,即建立连接后通讯双方都可以不断发送数据。
WebSocket 协议由rfc6455定义, 下面介绍常见WebSocket 库的调用流程及参数
一般需要各编程语言的W...
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什么是百度智能云的实时语音识别?
实时语音识别是一种先进的技术,能够在语音被说出的同时迅速将其转换为文字。它基于Deep Peak2端到端的建模方法,通过超过10万小时的训练数据和多采样率、多场景的声学模型,实现高精度的语音识别能力。特别是针对近场中文普通话,其识别准确率可达到98%。该技术不仅支持普通话及带轻微口音的中文,还支持英文的识别。通过使用大规模数据集训练的语言模型,它可以智能纠错并根据语音内容理解与停顿情况自动添加适当的标点符号,如句号、感叹号、问号等。实时语音识别服务可以通过WebSocket API或Android、iOS、Linux SDK等多种调用方式进行接入,适应多种操作系统和设备。
什么是百度智能云的实时语音识别接口?
由服务使用方的应用程序发起,以Restful风格为主、通过公网HTTP协议调用百度智能云的实时语音识别
,从而实现程序的自动化交互,提高服务效率。
百度智能云的实时语音识别有哪些核心功能?
技术领先识别准确
基于Deep Peak2端到端建模,超过10万小时数据训练,多采样率多场景声学建模,近场中文普通话识别准确率达98%
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多语种识别
支持普通话和略带口音的中文识别;支持英文识别
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智能语言处理
使用大规模数据集训练语言模型,对识别中间结果进行智能纠错,并根据语音的内容理解和停顿智能匹配合适的标点符号,。!?
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多种调用方式
支持WebSocket API,支持Android、iOS、Linux SDK,可以在多种操作系统、多种设备终端上调用,快速上手,简单易用
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毫秒级实时识别音频流
首包响应时间毫秒级,并实时展示中间文字结果,快速识别音频流
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文字识别结果支持时间戳
识别返回的文字结果带有时间戳,展示VAD切分句子开始和结束时间,方便进行功能开发
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百度智能云的实时语音识别的核心优势是什么?
识别效果领先
基于Deep Peak2端到端建模,多采样率多场景声学建模,近场中文普通话识别准确率达98%
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支持多设备终端
支持WebSocket API方式、Android、iOS、Linux SDK方式调用,可以适用于多种操作系统、多设备终端均可使用
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服务稳定高效
企业级稳定服务保障,专有集群承载大流量并发,高效灵活,服务稳定
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模型自助优化
中文普通话模型可在语音自训练平台上零代码自助训练,上传文本语料即可有效提升业务词汇的识别准确率5-25%
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在哪些场景会用到百度智能云的实时语音识别?
1.演讲字幕同屏
大会演讲可以在屏幕上实时展示嘉宾演讲字幕,逐字展示并智能纠错
2.视频直播字幕
直播新玩法,主播说话可以直接将说话内容实时转写为字幕展示在屏幕上,或者可进行二次字幕编辑
3.视频直播字幕
直播新玩法,主播说话可以直接将说话内容实时转写为字幕展示在屏幕上,或者可进行二次字幕编辑

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FreeMarker template error (DEBUG mode; use RETHROW in production!):
For "${...}" content: Expected a string or something automatically convertible to string (number, date or boolean), or "template output" , but this has evaluated to a sequence (wrapper: f.t.SimpleSequence):
==> serviceInfo.pricingWayList [in template "view/api/info/tab/package-price.ftl" at line 54, column 51]
----
FTL stack trace ("~" means nesting-related):
- Failed at: ${serviceInfo.pricingWayList} [in template "view/api/info/tab/package-price.ftl" at line 54, column 49]
- Reached through: #include "view/api/info/tab/package-p... [in template "view/api/info/special/index.ftl" at line 353, column 25]
----
Java stack trace (for programmers):
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freemarker.core.NonStringOrTemplateOutputException: [... Exception message was already printed; see it above ...]
at freemarker.core.EvalUtil.coerceModelToTextualCommon(EvalUtil.java:525)
at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:401)
at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:370)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:334)
at freemarker.core.Environment.visit(Environment.java:340)
at freemarker.core.Environment.include(Environment.java:2925)
at freemarker.core.Include.accept(Include.java:171)
at freemarker.core.Environment.visit(Environment.java:334)
at freemarker.core.Environment.visit(Environment.java:340)
at freemarker.core.Environment.process(Environment.java:313)
at freemarker.template.Template.process(Template.java:383)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:391)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:304)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:255)
at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:179)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1373)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1118)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1057)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:113)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:113)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at com.ruoyi.common.filter.RepeatableFilter.doFilter(RepeatableFilter.java:43)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:158)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at com.ruoyi.framework.security.filter.JwtAuthenticationTokenFilter.doFilterInternal(JwtAuthenticationTokenFilter.java:42)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:113)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:92)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:77)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:888)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1597)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
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