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    • 4. 发明申请
    • METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING ACTIVE ECHO-CANCELLATION FOR SYSTEMS COMBINING VOICE COMMUNICATION AND SYNCHRONOUS AUDIO CONTENT
    • 用于提供组合语音通信和同步音频内容的系统的主动式收音机的方法,装置和计算机程序产品
    • WO2013001145A1
    • 2013-01-03
    • PCT/FI2012/050529
    • 2012-05-30
    • NOKIA CORPORATIONBALLAGAS, RafaelRAFFLE, HayesMORI, Koichi
    • BALLAGAS, RafaelRAFFLE, HayesMORI, Koichi
    • H04M9/08H04B3/23
    • H04M9/082
    • An apparatus for removing an echo(es) from audio content may include a processor and memory storing executable computer code causing the apparatus to at least perform operations including receiving combined audio content including voice data associated with speech of users in a call and information including audio data provided to the users. The computer program code may further cause the apparatus to remove a first echo of a first item of voice data associated with a user(s), from the combined audio content, based in part on a prior detection of the first item of voice data. The computer program code may further cause the apparatus to remove a second echo of the audio data, from the combined audio content, based in part on a previous detection of the audio data or a previous detection of data corresponding to the audio data. Corresponding methods and computer program products are also provided.
    • 一种用于从音频内容中去除回声的装置可以包括处理器和存储可执行计算机代码的存储器,其使得该装置至少执行操作,包括接收包括与呼叫中的用户的语音相关联的语音数据的组合音频内容以及包括音频的信息 数据提供给用户。 计算机程序代码可以进一步使得设备部分地基于对第一项语音数据的先前检测,从组合的音频内容中去除与用户相关联的第一项语音数据的第一回声。 计算机程序代码可以进一步使得设备部分地基于音频数据的先前检测或对应于音频数据的数据的先前检测,从组合音频内容中去除音频数据的第二回波。 还提供了相应的方法和计算机程序产品。