WO2016145973A1 - Speech assistance method and device for call process - Google Patents

Speech assistance method and device for call process Download PDF

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WO2016145973A1
WO2016145973A1 PCT/CN2016/074374 CN2016074374W WO2016145973A1 WO 2016145973 A1 WO2016145973 A1 WO 2016145973A1 CN 2016074374 W CN2016074374 W CN 2016074374W WO 2016145973 A1 WO2016145973 A1 WO 2016145973A1
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voice
call
call voice
keyword
preset keyword
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PCT/CN2016/074374
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French (fr)
Chinese (zh)
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李�真
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乐视致新电子科技(天津)有限公司
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Priority to CN201510117743.1A priority Critical patent/CN104796536A/en
Priority to CN201510117743.1 priority
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Publication of WO2016145973A1 publication Critical patent/WO2016145973A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725Cordless telephones

Abstract

Provided in the present invention are a speech assistance method and device for a call process. The method comprises: acquiring speech of a call; detecting whether the speech of the call contains a preset keyword; if so, searching for an assistance operation method corresponding to the preset keyword and performing corresponding speech assistance operation. The technical solution of the present invention can provide assistance during a call process according to content of the call of users and bring convenience for a call of the users.

Description

一种通话过程中的语音协助方法及装置Voice assisting method and device during call 技术领域Technical field
本发明涉及通信技术领域,尤其涉及一种通话过程中的语音协助方法及装置。The present invention relates to the field of communications technologies, and in particular, to a voice assistance method and apparatus during a call.
背景技术Background technique
在现有技术中,终端的通话界面仅包含如对方的名称、电话号码、头像等信息,以及拨号键盘等功能按键,但这些信息和功能按键都是仅与通话相关,而无法提供进一步的协助功能。In the prior art, the call interface of the terminal only includes information such as the name, phone number, and avatar of the other party, and function buttons such as a dialing keyboard, but these information and function buttons are only related to the call, and cannot provide further assistance. Features.
发明内容Summary of the invention
有鉴于此,本发明提供一种通话过程中的语音协助方法及装置,以解决现有技术中的不足。In view of this, the present invention provides a voice assisting method and apparatus during a call to solve the deficiencies in the prior art.
本发明提供技术方案如下:The technical solution provided by the invention is as follows:
根据本公开实施例的第一方面,提供一种通话过程中的语音协助方法,包括:According to a first aspect of the embodiments of the present disclosure, a voice assistance method during a call is provided, including:
获取通话语音;Get the call voice;
检测所述通话语音中是否包含预设关键字;Detecting whether the call voice includes a preset keyword;
若包含,则查找与所述预设关键字对应的协助操作方式,并执行相应的语音协助操作。 If yes, the assist operation mode corresponding to the preset keyword is searched, and the corresponding voice assistance operation is performed.
根据本公开实施例的第二方面,提供一种通话过程中的语音协助装置,包括:According to a second aspect of the embodiments of the present disclosure, a voice assistance apparatus during a call is provided, including:
获取模块,获取通话语音;Obtain a module to obtain a call voice;
检测模块,检测所述通话语音中是否包含预设关键字;The detecting module detects whether the call voice includes a preset keyword;
执行模块,在检测结果为包含的情况下,查找与所述预设关键字对应的协助操作方式,并执行相应的语音协助操作。The execution module searches for an assist operation mode corresponding to the preset keyword and performs a corresponding voice assistance operation when the detection result is included.
根据本公开实施例的第三方面,提供一种计算机可读记录介质,包括在其上记录有用于执行上述方法的程序。According to a third aspect of the embodiments of the present disclosure, there is provided a computer readable recording medium comprising recorded thereon a program for executing the above method.
由以上技术方案可见,本发明通过对通话语音的获取和关键字检测,可以准确、有效地获取用户的协助需求;同时,通过查找并执行与关键字相关的语音协助操作,在无需用户手动切换至其他应用程序界面的情况下,即可直接获得相应的协助,有助于为用户提供便利。It can be seen from the above technical solutions that the present invention can accurately and efficiently obtain the assistance request of the user by acquiring the call voice and the keyword detection. At the same time, by searching for and executing the voice assist operation related to the keyword, the user does not need to manually switch. In the case of other application interfaces, you can directly get the corresponding assistance, which is helpful for users.
附图说明DRAWINGS
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本公开的实施例,并与说明书一起用于解释本公开的原理。The accompanying drawings, which are incorporated in the specification
图1是现有技术中的终端通话的界面示意图;1 is a schematic diagram of an interface of a terminal in a prior art;
图2是根据本发明一示例性实施例的一种通话过程中的语音协助方法的流程图;FIG. 2 is a flowchart of a voice assisting method during a call according to an exemplary embodiment of the present invention; FIG.
图3是根据本发明一示例性实施例的一种终端对通话语音的处理系统的结构示意图;FIG. 3 is a schematic structural diagram of a system for processing a call voice of a terminal according to an exemplary embodiment of the present invention; FIG.
图4是根据本发明一示例性实施例的另一种通话过程中的语音协助方 法的流程图;4 is another voice assisting party during a call according to an exemplary embodiment of the present invention. Flow chart of the law;
图5是根据本发明一示例性实施例的一种通话过程中的语音协助的示意图;FIG. 5 is a schematic diagram of voice assistance during a call according to an exemplary embodiment of the present invention; FIG.
图6是根据本发明一示例性实施例的又一种通话过程中的语音协助方法的流程图;FIG. 6 is a flowchart of still another voice assistance method during a call according to an exemplary embodiment of the present invention; FIG.
图7是根据本发明一示例性实施例的另一种通话过程中的语音协助的示意图;FIG. 7 is a schematic diagram of another voice assistance during a call according to an exemplary embodiment of the present invention; FIG.
图8是根据本发明一示例性实施例的一种通过网络查询实现的语音协助方法的流程图;FIG. 8 is a flowchart of a voice assistance method implemented by a network query according to an exemplary embodiment of the present invention; FIG.
图9-10是根据本发明一示例性实施例的一种在通话过程中播放本地音频的示意图;9-10 are schematic diagrams of playing local audio during a call according to an exemplary embodiment of the present invention;
图11是根据本发明一示例性实施例的一种电子设备的结构示意图;FIG. 11 is a schematic structural diagram of an electronic device according to an exemplary embodiment of the present invention; FIG.
图12是根据本发明一示例性实施例的一种通话过程中的语音协助装置的框图。FIG. 12 is a block diagram of a voice assisting apparatus during a call according to an exemplary embodiment of the present invention.
具体实施方式detailed description
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with aspects of the present disclosure as detailed in the appended claims.
图1是现有技术中的终端通话的界面示意图,如图1所示,用户在通 话过程中,终端的通话界面仅包含如对方的名称“小白”、通话时间“05:23”等信息,以及静音、拨号键盘等功能按键,但这些信息和功能按键都是仅与通话相关,而无法提供进一步的协助功能。比如用户在通话过程中,希望查看“专利”这个词的英文翻译,则需要手动推出通话界面,并打开终端上的翻译软件,并且需要在翻译软件的界面中手动输入“专利”,过程十分繁琐。FIG. 1 is a schematic diagram of an interface of a terminal in a prior art, as shown in FIG. During the call, the terminal's call interface only contains information such as the other party's name "white", talk time "05:23", and other function buttons such as mute, dial keypad, etc., but these information and function buttons are only related to the call. And cannot provide further assistance. For example, if the user wants to view the English translation of the word "patent" during the call, the user needs to manually launch the call interface and open the translation software on the terminal, and manually input the "patent" in the interface of the translation software. The process is very cumbersome. .
因此,本发明为了简化上述操作过程,在通话过程中实现自动化的语音协助操作,提供了下述实施例。Accordingly, in order to simplify the above-described operational procedures, the present invention provides an automated voice assisted operation during a call, and the following embodiments are provided.
图2是根据本发明一示例性实施例的一种通话过程中的语音协助方法的流程图,如图2所示,该方法应用于终端,可以包括以下步骤:FIG. 2 is a flowchart of a voice assistance method during a call according to an exemplary embodiment of the present invention. As shown in FIG. 2, the method is applied to a terminal, and may include the following steps:
步骤202,获取通话语音。Step 202: Acquire a call voice.
在本实施例中,终端可以为任意可支持通话过程的电子设备,比如智能手机等。In this embodiment, the terminal may be any electronic device that can support the call process, such as a smart phone.
在本实施例中,通话语音可以为所有通话方中至少一方的通话语音;其中,相应的通话过程可以为双方通话,也可以为多方通话(即通话人数大于2)。终端可以根据任一方的通话语音,实现基于本发明的语音协助操作。In this embodiment, the call voice may be the call voice of at least one of all the parties; wherein the corresponding call process may be a two-party call or a multi-party call (ie, the number of calls is greater than 2). The terminal can implement the voice assisting operation based on the present invention according to the voice of any party.
如果通话语音为指定的一个或多个通话方,比如仅为本地通话方,则需要对当前通话语音的来源进行区分。图3为终端内的通话语音的处理系统的结构示意图,如图3所示:送话器可以为麦克风等,通过采集本地通话方发出的声音,再经过编码、调制等处理过程,最终由天线发送至其他通话方;受话器可以为听筒等,对于天线接收到的来自其他通话方的通话 语音数据,经过解调、解码等处理过程后,最终由受话器向本地通话方进行播放。If the call voice is one or more specified parties, such as only the local caller, then the source of the current call voice needs to be distinguished. 3 is a schematic structural diagram of a call voice processing system in a terminal, as shown in FIG. 3: the microphone can be a microphone, etc., by collecting the sound emitted by the local party, and then undergoing processing such as encoding and modulation, and finally by the antenna. Send to other parties; the receiver can be a handset, etc., for calls from other parties received by the antenna After the voice data is demodulated and decoded, it is finally played by the receiver to the local party.
因此,作为一示例性实施例,终端可以根据通话语音的处理流程差异,区分通话语音的来源:若由送话器采集后,最终由天线发出,则来源于本地通话方;若由天线接收后,最终由受话器播放,则来源于远端的其他通话方。而作为另一示例性实施例,终端也可以通过分析通话语音的音频特征,区分通话语音的来源。具体地,比如采集通话语音的预设音频特征参数,并通过参数对比,对该通话语音的来源进行有效区分。Therefore, as an exemplary embodiment, the terminal may distinguish the source of the call voice according to the difference in the processing flow of the call voice: if it is finally sent by the antenna after being collected by the microphone, it is originated from the local party; if received by the antenna And finally played by the receiver, it is from other parties on the far end. As another exemplary embodiment, the terminal can also distinguish the source of the call voice by analyzing the audio features of the call voice. Specifically, for example, preset audio feature parameters of the call voice are collected, and the source of the call voice is effectively distinguished by parameter comparison.
在本实施例中,作为一示例性实施方式,在通话语音为多个通话方时,对多个通话方中的指定的通话方的语音进行协助操作,例如,在来源于远端的多个通话方中,包括老板和普通员工,这时如果只对老板的通话语音进行协助操作,终端中通过设置识别系统,将识别系统与天线相连,在天线接收到外部信号的音频时,识别系统根据预先设定的通话语音的音频识别天线接收到外部信号的音频是否为老板的通话语音的音频,进而根据识别结果判断是否需要进行语音协助操作。In this embodiment, as an exemplary embodiment, when the call voice is a plurality of parties, the voice of the specified one of the plurality of parties is assisted, for example, multiple from the remote end. The calling party, including the boss and the ordinary staff, at this time, if only the boss's call voice is assisted, the terminal sets the identification system to connect the identification system to the antenna. When the antenna receives the audio of the external signal, the identification system is based on The audio recognition antenna of the preset call voice receives the audio of the external signal as the audio of the call voice of the boss, and further determines whether the voice assist operation is required according to the recognition result.
当然,本领域技术人员也可以通过其他方式识别通话语音,本发明并不对此进行限制。Of course, those skilled in the art can also recognize the call voice by other means, and the present invention does not limit this.
步骤204,检测所述通话语音中是否包含预设关键字。Step 204: Detect whether a preset keyword is included in the call voice.
在本实施例中,作为一示例性实施例,终端可以对通话语音进行文字转换,得到对应的通话文字;将所述通话文字与预定义的关键字列表进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。In this embodiment, as an exemplary embodiment, the terminal may perform text conversion on the call voice to obtain a corresponding call text, compare the call text with a predefined keyword list, and determine the result according to the comparison result. Whether the call keyword contains a preset keyword.
在本实施例中,作为另一示例性实施例,终端可以将通话语音与预定 义的关键字语音集合进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。In this embodiment, as another exemplary embodiment, the terminal may set the call voice and the reservation. The meaningful keyword voice set is compared, and according to the comparison result, it is determined whether the call voice includes a preset keyword.
步骤206,若包含,则查找与所述预设关键字对应的协助操作方式,并执行相应的语音协助操作。Step 206: If yes, search for an assist operation mode corresponding to the preset keyword, and perform a corresponding voice assistance operation.
在本实施例中,根据确定的预设关键字,可以通过启动相关联的应用程序,从而完成相应的语音协助操作。其中,该应用程序完成该语音协助操作时,可以调用本地资源,比如播放本地的音频文件,也可以使用网络资源,比如通过浏览器执行搜索操作。In this embodiment, according to the determined preset keyword, the corresponding voice assisting operation can be completed by starting the associated application. When the application completes the voice assistance operation, the local resource may be called, for example, playing a local audio file, or using a network resource, such as performing a search operation through a browser.
由上述实施例可知,本发明通过对通话语音的获取和关键字检测,可以准确、有效地获取用户的协助需求;同时,通过查找并执行与关键字相关的语音协助操作,在无需用户手动切换至其他应用程序界面的情况下,即可直接获得相应的协助,有助于为用户提供便利。It can be seen from the foregoing embodiment that the present invention can accurately and efficiently obtain the assistance request of the user by acquiring the call voice and the keyword detection. At the same time, by manually searching and executing the voice assist operation related to the keyword, the user does not need to manually switch. In the case of other application interfaces, you can directly get the corresponding assistance, which is helpful for users.
图4是根据本发明一示例性实施例的另一种通话过程中的语音协助方法的流程图,如图4所示,该方法可以包括以下步骤:FIG. 4 is a flowchart of another voice assistance method during a call according to an exemplary embodiment of the present invention. As shown in FIG. 4, the method may include the following steps:
步骤402,获取通话语音。Step 402: Acquire a call voice.
在本实施例中,通话语音可以来自所有通话方中的任意一个或多个通话方。In this embodiment, the call voice may come from any one or more of all the parties.
步骤404,对通话语音进行文字转换,得到对应的通话文字。Step 404: Perform text conversion on the call voice to obtain a corresponding call text.
步骤406,将通话文字与预定义的关键字列表进行比较。In step 406, the call text is compared to a predefined keyword list.
步骤408,判断是否存在匹配内容;若存在,则转入步骤410,否则返回步骤402。In step 408, it is determined whether there is a matching content; if yes, the process proceeds to step 410, otherwise returns to step 402.
步骤410,根据匹配内容,提取通话文字对应的关键字。 Step 410: Extract keywords corresponding to the call text according to the matching content.
在本实施例中,作为一示例性实施方式,可以通过“语音识别”技术,将通话语音转换为通话文字后,实现基于文字内容的比较和匹配操作。比如图5所示,假定通过对采集的通话语音进行识别后,得到相应的通话文字为“翻译专利”;然后,通过与预定义的关键字列表进行比较后,可以确定其中包含关键字“翻译”。In this embodiment, as an exemplary embodiment, after the call voice is converted into the call text by the “speech recognition” technology, the comparison and matching operations based on the text content can be implemented. For example, as shown in FIG. 5, it is assumed that after the collected call voice is recognized, the corresponding call text is obtained as a “translation patent”; then, by comparing with a predefined keyword list, it can be determined that the keyword “translation” is included. ".
步骤412,将提取的关键字与预定义的“关键字——协助操作方式”的映射关系进行比较。In step 412, the extracted keyword is compared with a predefined "keyword - assisted operation mode" mapping relationship.
可理解的是,本实施例中的“关键字——协助操作方式”的映射关系为预先设置的,其中预先设置“关键字——协助操作方式”的映射关系可以通过多种方式来实现,例如通过大量数据训练而成的,或者为使用终端的用户自定义设定的,本实施例不对其进行限定。It can be understood that the mapping relationship of the “keyword-assisted operation mode” in the embodiment is preset, and the mapping relationship of “keyword-assisted operation mode” may be implemented in multiple ways. For example, it is trained by a large amount of data, or is customized for a user who uses the terminal, and is not limited in this embodiment.
步骤414,判断是否存在匹配内容;若存在,则转入步骤416,否则返回步骤402。In step 414, it is determined whether there is a matching content; if yes, the process proceeds to step 416, otherwise returns to step 402.
步骤416,根据匹配内容,确定对应于提取的关键字的协助操作方式。Step 416: Determine, according to the matching content, an assist operation mode corresponding to the extracted keyword.
在本实施例中,针对关键字列表中的每个关键字,均预定义了对应的协助操作方式,从而构成了预定义的“关键字——协助操作方式”的映射关系;如图5所示,通过将查找到的关键字“翻译”与预定义的上述映射关系进行匹配,即可确定对应于该关键字“翻译”的协助操作方式,比如终端内安装的用于执行翻译操作的APP(即应用程序)。In this embodiment, for each keyword in the keyword list, a corresponding assist operation mode is predefined, thereby forming a mapping relationship of a predefined "keyword-assisted operation mode"; It can be determined that by matching the found keyword “translation” with the predefined mapping relationship, an assist operation mode corresponding to the keyword “translation” can be determined, such as an APP installed in the terminal for performing a translation operation. (ie the application).
步骤418,按照确定的协助操作方式,执行对应的语音协助操作。Step 418: Perform a corresponding voice assistance operation according to the determined assisted operation mode.
在本实施例中,如图5所示,通过对通话语音的文字转换、关键字对比和映射关系匹配,可以确定对应的协助操作方式为终端内安装的用于执 行翻译操作的APP,那么“执行对应的语音协助操作”可以包括对该APP的调用,比如在终端屏幕上启动并展示该APP的操作界面,则用户可以直接在该APP界面中输入所需要翻译的词汇或句子,而无需执行界面之间的反复切换。In this embodiment, as shown in FIG. 5, by matching the text conversion, keyword comparison, and mapping relationship of the call voice, it can be determined that the corresponding assist operation mode is installed in the terminal for execution. For the APP of the translation operation, the “execute corresponding voice assistance operation” may include a call to the APP, such as starting and displaying the operation interface of the APP on the terminal screen, and the user may directly input the required translation in the APP interface. Words or sentences without having to perform repeated switching between interfaces.
进一步地,终端可以从通话语音中,提取与步骤410中确定的关键字对应的操作内容,则“执行相应的语音协助操作”还可以包括:在调用的APP中,执行与该操作内容相关联的应用功能。Further, the terminal may extract the operation content corresponding to the keyword determined in step 410 from the call voice, and then “execute the corresponding voice assistance operation” may further include: in the called APP, performing execution associated with the operation content. Application features.
其中,操作内容可以为通话语音中位于所述预设关键字的相邻语音段或所在的语句;本实施例以操作系统为通话语音中位于预设关键字后方的相邻语音段进行举例说明,例如,对应于图5所示的通话语音,“操作内容”为“专利”。因此,终端可以直接对上述用于执行翻译操作的APP进行调用,将其用于对“专利”进行翻译,从而得到图5所示的翻译结果界面,以供用户进行查看。同时,在图5所示的翻译结果界面的顶部,通过“正在通话:小白05:23”的标识内容,提示用户当前仍然处于通话状态;其中,用户可以通过点击上述的标识内容,重新返回通话界面。The operation content may be an adjacent voice segment or a sentence in the voice of the preset voice in the call voice. In this embodiment, the operating system is an example of the adjacent voice segment located behind the preset keyword in the call voice. For example, corresponding to the call voice shown in FIG. 5, the "operation content" is "patent". Therefore, the terminal can directly invoke the above-mentioned APP for performing a translation operation, and use it to translate the “patent”, thereby obtaining the translation result interface shown in FIG. 5 for the user to view. At the same time, at the top of the translation result interface shown in FIG. 5, the user is still in the call state through the identification content of “Calling: Xiaobai 05:23”; wherein the user can return by clicking the above identification content. Call interface.
图6是根据本发明一示例性实施例的又一种通话过程中的语音协助方法的流程图,如图6所示,该方法可以包括以下步骤:FIG. 6 is a flowchart of still another method for voice assistance during a call according to an exemplary embodiment of the present invention. As shown in FIG. 6, the method may include the following steps:
步骤602,获取通话语音;该过程与图4所示的步骤402相同,此处不再赘述。Step 602, the call voice is obtained; the process is the same as step 402 shown in FIG. 4, and details are not described herein again.
步骤604,将获取的通话语音与预定义的关键字语音集合进行比较。Step 604: Compare the obtained call voice with a predefined keyword voice set.
在本实施例中,预定义的关键字语音集合是指预先对每一关键字进行采样的语音片段,可以通过将获取的通话语音与这些语音片段进行直接比 较,从而确定获取的通话语音中是否包含预定义的关键字。In this embodiment, the predefined keyword voice set refers to a voice segment that samples each keyword in advance, and can directly compare the obtained call voice with the voice segments. To determine whether the acquired call voice contains predefined keywords.
比如图7所示,终端在获取通话语音后,可以提取该通话语音的预设特征参数,比如频率、幅值、振动曲线等,然后将提取的预设特征参数与关键字语音集合中的语音片段的预设特征参数进行比较,从而根据预设特征参数的匹配情况,判断是否存在相匹配的关键字。For example, as shown in FIG. 7, after acquiring the call voice, the terminal may extract preset feature parameters of the call voice, such as frequency, amplitude, vibration curve, etc., and then extract the preset preset feature parameters and the voice in the keyword voice set. The preset feature parameters of the segment are compared, so as to determine whether there is a matching keyword according to the matching condition of the preset feature parameter.
步骤606,判断是否存在匹配内容;若存在,则转入步骤608,否则返回步骤602。In step 606, it is determined whether there is a matching content; if yes, the process proceeds to step 608, otherwise, the process returns to step 602.
步骤608,根据匹配内容,提取匹配的关键字。Step 608: Extract matching keywords according to the matching content.
步骤610至步骤616,与图4所示的步骤412至步骤418相同,此处不再赘述。Step 610 to step 616 are the same as step 412 to step 418 shown in FIG. 4, and details are not described herein again.
在本实施例中,假定图7中通过对通话语音的直接匹配,确定其中包含第一语音片段,该第一语音片段对应于关键字“翻译”。那么,根据预定义的“关键字——协助操作方式”的映射关系,即可确定对应于该关键字“翻译”的协助操作方式,比如终端内安装的用于执行翻译操作的APP(即应用程序)。In the present embodiment, it is assumed that the first speech segment is included therein by the direct matching of the speech speech in FIG. 7, and the first speech segment corresponds to the keyword "translation". Then, according to the mapping relationship of the predefined "keyword-assisted operation mode", the assist operation mode corresponding to the keyword "translation" can be determined, such as an APP installed in the terminal for performing a translation operation (ie, an application) program).
进一步地,终端可以从通话语音中,提取与步骤608中确定的关键字对应的操作内容,则“执行相应的语音协助操作”还可以包括:在调用的APP中,执行与该操作内容相关联的应用功能。Further, the terminal may extract the operation content corresponding to the keyword determined in step 608 from the call voice, and then “execute the corresponding voice assistance operation” may further include: in the called APP, performing execution associated with the operation content. Application features.
其中,操作内容可以为通话语音中位于所述预设关键字的相邻语音段或所在的语句;例如,操作内容位于预设关键字的前方,如“对专利进行翻译”,操作内容位于预设关键字的后方,如“翻译专利”,本实施例以操作内容位于预设关键字后方进行举例说明,通过图4中步骤404所示的 方式,将该相邻语音段识别为相应的文字内容;比如对应于图7所示的通话语音,“操作内容”可以为“专利”。那么,终端可以直接对上述用于执行翻译操作的APP进行调用,将其用于对“专利”进行翻译,从而得到图7所示的翻译结果界面,以供用户进行查看。以上结合图4至图7,基于“翻译专利”的实施例,对本发明的技术方案进行了举例说明;当然,本发明的关键字和协助操作方式可以存在很多种情况,比如下表1示出了几种可能的情形。The operation content may be an adjacent voice segment or a sentence in the call voice located in the preset keyword; for example, the operation content is located in front of the preset keyword, such as “translating a patent”, and the operation content is located in advance The rear of the keyword, such as "translation patent", the embodiment is illustrated by the operation content being located behind the preset keyword, as shown by step 404 in FIG. In a manner, the adjacent voice segment is identified as a corresponding text content; for example, corresponding to the call voice shown in FIG. 7, the “operation content” may be “patent”. Then, the terminal can directly invoke the above-mentioned APP for performing the translation operation, and use it to translate the “patent”, thereby obtaining the translation result interface shown in FIG. 7 for the user to view. The technical solutions of the present invention are exemplified based on the embodiments of the "translation patent" with reference to FIG. 4 to FIG. 7. Of course, there are many types of keywords and assisted operation modes of the present invention, such as shown in Table 1 below. There are several possible scenarios.
关键字Keyword 协助操作方式Assist in operation 语音协助操作Voice assisted operation
股市行情Stock market 浏览器Browser 搜索“股市行情”Search for "stock market"
唐诗静夜思Tang Shijing night thinking 浏览器Browser 搜索“静夜思”Search for "静夜思"
播放小苹果Play small apple 音乐播放器music player 播放本地音频文件“小苹果”Play local audio file "Little Apple"
表1Table 1
实施例一Embodiment 1
以表1中的“股市行情”为例,图8是根据本发明一示例性实施例的一种通过网络查询实现的语音协助方法的流程图,该方法应用的终端内,包含“检测模块”和“执行模块”,该“检测模块”用于对通话语音中的关键字进行检测,而“执行模块”用于执行具体的语音协助操作;该方法可以包括以下步骤:Taking the "stock market" in Table 1 as an example, FIG. 8 is a flowchart of a voice assisting method implemented by a network query according to an exemplary embodiment of the present invention. The terminal applied by the method includes a "detection module". And an "execution module" for detecting keywords in the call voice, and an "execution module" for performing a specific voice assist operation; the method may include the following steps:
步骤802A,检测模块预先载入关键字列表或关键字语音集合。In step 802A, the detection module preloads the keyword list or the keyword voice set.
步骤802B,执行模块预先载入“关键字——协助操作方式”的映射关系。In step 802B, the execution module preloads the mapping relationship of "keyword-assisted operation mode".
需要说明的是:步骤802A和步骤802B之间并不存在必然的先后顺 序,只要在步骤804之前完成载入即可。It should be noted that there is no necessary sequence between step 802A and step 802B. Order, as long as the loading is completed before step 804.
步骤804,在用户执行通话的过程中,获取通话语音的音频流。Step 804: Acquire an audio stream of the call voice during the process of the user performing the call.
步骤806,将获取的通话语音与预先载入的关键字列表或关键字语音集合进行匹配,并提取匹配出的关键字。Step 806: Match the obtained call voice with a pre-loaded keyword list or a keyword voice set, and extract the matched keywords.
在本实施例中,作为一示例性实施方式,检测模块可以将获取的通话语音转换为通话文字后,将通话文字与预先载入的关键字列表进行匹配,从而将匹配结果作为提取的关键字;作为另一示例性实施方式,检测模块可以将获取的通话语音直接与预先载入的关键字语音集合进行匹配,比如通过预设特征参数的匹配,识别出获取的通话语音中包含的关键字。In this embodiment, as an exemplary implementation, the detecting module may convert the acquired call voice into a call text, and match the call text with the pre-loaded keyword list, so as to use the matching result as the extracted keyword. As another exemplary embodiment, the detecting module may directly match the acquired call voice with the pre-loaded keyword voice set, for example, by matching the preset feature parameters, and identifying the keyword included in the acquired call voice. .
步骤808,将提取的关键字发送至执行模块进行处理。Step 808: Send the extracted keywords to the execution module for processing.
步骤810,执行模块将关键字与预先载入的映射关系列表中的关键字进行匹配,以确定对应的协助操作方式。In step 810, the execution module matches the keyword with the keyword in the pre-loaded mapping relationship list to determine a corresponding assist operation mode.
在本实施例中,假定提取的关键字为表1所示的“股市行情”,则对应的协助操作方式可以为“浏览器”,即通过浏览器进行网络搜索的方式,查找“股市行情”信息。In this embodiment, assuming that the extracted keywords are the “stock market quotes” shown in Table 1, the corresponding assisting operation mode may be “browser”, that is, searching for “stock market quotes” through a web search by a browser. information.
步骤812,当终端采用Android操作系统时,执行模块通过调用系统的openURL方法,启动浏览器并执行针对“股市行情”的信息搜索操作。Step 812: When the terminal adopts the Android operating system, the execution module starts the browser and performs an information search operation for the “stock market” by calling the openURL method of the system.
在本实施例中,由于终端需要在通话过程中调用网络搜索操作,因而终端需要处于能够满足语音与数据并发的网络环境中,比如终端接入了WIFI网络,或者终端采用的移动通信网络为TD-SCDMA(Time Division-Synchronization Code Division Multiple Access,即时分同步的码分多址技术)、WCDMA(Wideband Code Division Multiple Access,宽带码 分多址移动通信系统)等网络制式,或终端采用了SGLTE(Simultaneous GSM and LTE,LTE与GSM同步并发)、SVLTE(Simultaneous Voice and LTE,双待手机方式)等工作模式。In this embodiment, since the terminal needs to invoke a network search operation during a call, the terminal needs to be in a network environment capable of satisfying voice and data concurrent, for example, the terminal accesses the WIFI network, or the mobile communication network used by the terminal is TD. -SCDMA (Time Division-Synchronization Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access) A network mode such as a multiple-access mobile communication system or a terminal adopts a working mode such as SGLTE (Simultaneous GSM and LTE), SVLTE (Simultaneous Voice and LTE).
实施例二Embodiment 2
针对表1中的“唐诗静夜思”,在图8所示的处理流程的基础上,终端在步骤804之后,还可以从获取的通话语音中提取与关键字对应的操作内容。比如当通话语音为“唐诗静夜思”时,可以从中匹配出预设的关键字“唐诗”,并且将“静夜思”确定为对应的操作内容。For the "Tang Shi Jing Ye Si" in Table 1, on the basis of the processing flow shown in FIG. 8, the terminal may further extract the operation content corresponding to the keyword from the acquired call voice after step 804. For example, when the call voice is "Tang Shi Jing Ye Si", the preset keyword "Tang Shi" can be matched from it, and "Jing Night Thinking" is determined as the corresponding operation content.
那么,终端根据匹配出的关键字“唐诗”,以及预先加载的映射关系,可以确定对应的协助操作方式为“浏览器”;同时,由于对应于“唐诗”的操作内容为“静夜思”,因而终端最终执行的语音协助操作为:调用浏览器,搜索关于“静夜思”的信息,并最终呈现给用户。Then, the terminal can determine that the corresponding assist operation mode is “browser” according to the matched keyword “Tang Shi” and the pre-loaded mapping relationship; meanwhile, since the operation content corresponding to “Tang Shi” is “Quiet Night Thinking”, Therefore, the voice assisting operation finally performed by the terminal is: calling a browser, searching for information about "quiet night thinking", and finally presenting it to the user.
实施例三Embodiment 3
针对表1中的“播放小苹果”,通过类似图8所示的处理流程的基础上,终端可以从通话语音“播放小苹果”中,匹配出预设的关键字“播放”;然后,根据预先加载的映射关系,可以确定对应的协助操作方式为“音乐播放器”。同时,终端还可以根据匹配出预设的关键字“播放”,确定对应的操作内容为“小苹果”。因此,终端最终执行的语音协助操作为:调用音乐播放器,播放终端内(或者,也可以搜索在线音频资源)关于“小苹果”的音频文件。For the "playing a small apple" in Table 1, the terminal can match the preset keyword "play" from the call voice "playing a small apple" based on the processing flow similar to that shown in FIG. 8; The pre-loaded mapping relationship can determine that the corresponding assist operation mode is "music player". At the same time, the terminal may also determine that the corresponding operation content is “small apple” according to the preset keyword “play”. Therefore, the voice assist operation finally performed by the terminal is: calling the music player, playing the audio file of the "small apple" in the terminal (or, also, searching for online audio resources).
其中,由于终端对本地通话语音进行采集和处理时,仅存在一条处理路径,比如图9所示的“录音——编码——传送”等,因而通过音乐播放 器进行音频文件播放时,需要对上述的处理路径进行改进。比如图9所示,在“编码”的处理节点之前,本地通话语音采用路径①“录音——编码”,而音乐播放器则采用路径②“本地音频文件——编码”,因而可以通过轮流导通路径①和路径②中的任一条、断开另一条路径,从而满足通话和音乐播放的需求。Wherein, when the terminal collects and processes the local call voice, there is only one processing path, such as “recording-encoding-transmitting” as shown in FIG. 9, and thus playing through music. When the audio file is played, the above processing path needs to be improved. For example, as shown in FIG. 9, before the "encoding" processing node, the local call voice uses path 1 "recording-encoding", and the music player uses path 2 "local audio file-encoding", so that it can be rotated Pass one of path 1 and path 2 and disconnect the other path to meet the needs of call and music playback.
或者,也可以在“录音——编码——传送”的处理过程中,添加“混音”步骤。比如图10所示,通过在“编码”的处理节点之前,添加“混音”处理节点,使得本地通话语音对应的录音音频和音乐播放器对应的本地音频文件,均可以通过“混音”处理节点进行混音后,最终能够同时传输至远端的通话方。Alternatively, you can add a "mixing" step during the "recording-encoding-transfer" process. For example, as shown in FIG. 10, by adding a "mixing" processing node before the "encoding" processing node, the recording audio corresponding to the local call voice and the local audio file corresponding to the music player can be processed by "mixing". After the nodes are mixed, they can eventually be transmitted to the far-end party at the same time.
图11示出了根据本申请的一示例性实施例的电子设备的示意结构图。请参考图11,在硬件层面,该电子设备包括处理器、内部总线、网络接口、内存以及非易失性存储器,当然还可能包括其他业务所需要的硬件。处理器从非易失性存储器中读取对应的计算机程序到内存中然后运行,在逻辑层面上形成通话过程中的语音协助装置。当然,除了软件实现方式之外,本申请并不排除其他实现方式,比如逻辑器件抑或软硬件结合的方式等等,也就是说以下处理流程的执行主体并不限定于各个逻辑模块,也可以是硬件或逻辑器件。FIG. 11 shows a schematic structural diagram of an electronic device according to an exemplary embodiment of the present application. Referring to FIG. 11, at the hardware level, the electronic device includes a processor, an internal bus, a network interface, a memory, and a non-volatile memory, and may of course include hardware required for other services. The processor reads the corresponding computer program from the non-volatile memory into the memory and then runs to form a voice assisting device during the conversation on the logical level. Of course, in addition to the software implementation, the present application does not exclude other implementation manners, such as a logic device or a combination of software and hardware, etc., that is, the execution body of the following processing flow is not limited to each logic module, and may be Hardware or logic device.
请参考图12,在软件实施方式中,该通话过程中的语音协助装置可以包括获取模块、检测模块和执行模块。其中:Referring to FIG. 12, in the software implementation manner, the voice assistance device during the call may include an acquisition module, a detection module, and an execution module. among them:
获取模块,获取通话语音;Obtain a module to obtain a call voice;
检测模块,检测所述通话语音中是否包含预设关键字; The detecting module detects whether the call voice includes a preset keyword;
执行模块,在检测结果为包含的情况下,查找与所述预设关键字对应的协助操作方式,并执行相应的语音协助操作。The execution module searches for an assist operation mode corresponding to the preset keyword and performs a corresponding voice assistance operation when the detection result is included.
可选的,所述通话语音包括:所有通话方中至少一方的通话语音。Optionally, the call voice includes: a call voice of at least one of all parties.
可选的,所述检测模块具体用于:Optionally, the detecting module is specifically configured to:
对所述通话语音进行文字转换,得到对应的通话文字;Performing text conversion on the call voice to obtain a corresponding call text;
将所述通话文字与预定义的关键字列表进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。Comparing the call text with a predefined keyword list, and determining, according to the comparison result, whether the call voice includes a preset keyword.
可选的,所述检测模块具体用于:Optionally, the detecting module is specifically configured to:
将所述通话语音与预定义的关键字语音集合进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。Comparing the call voice with a predefined keyword voice set, and determining, according to the comparison result, whether the call voice includes a preset keyword.
可选的,预定义的关键字语音集合由所述通话语音的提供用户预先录制得到。Optionally, the predefined keyword voice set is pre-recorded by the providing user of the call voice.
可选的,所述执行模块具体用于:Optionally, the execution module is specifically configured to:
调用与所述预设关键字对应的应用程序。An application corresponding to the preset keyword is called.
可选的,还包括:Optionally, it also includes:
提取模块,从所述通话语音中,提取与所述预设关键字对应的操作内容;以及Extracting a module, extracting, from the call voice, operation content corresponding to the preset keyword;
所述执行模块还在调用的应用程序中,执行与所述操作内容相关联的应用功能。The execution module also executes an application function associated with the operation content in the invoked application.
可选的,所述操作内容为所述通话语音中位于所述预设关键字的相邻语音段或所在的语句。本发明实施例还提供一种计算机可读记录介质,包括在其上记录有用于执行上述通话过程中的语音协助方法的程序。 Optionally, the operation content is an adjacent voice segment or a sentence in the call voice that is located in the preset voice. The embodiment of the present invention further provides a computer readable recording medium, including a program on which a voice assisting method for performing the above call is recorded.
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。It is to be understood that the term "comprises", "comprising" or any other variations thereof is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.
在本申请所提供的几个实施例中,应该理解到,所揭露的装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的。In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative.
所述的模块可以是或者也可以不是物理上分开的,作为模块显示的部件可以是一个物理模块或多个物理模块,即可以位于一个地方,或者也可以分布到多个不同地方。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。另外,在本申请各个实施例中的各功能模块可以集成在一个处理模块中,也可以是各个模块单独物理存在,也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。所述集成的模块如果以软件功能模块的形式实现并作为独立的产品销售或使用时,可以存储在一个可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该软件产品存储在一个存储介质中,包括若干指令用以使得一个设备(可以是单片机,芯片等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括: U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。The modules may or may not be physically separated. The components displayed as modules may be one physical module or multiple physical modules, that is, may be located in one place, or may be distributed to multiple different places. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist physically separately, or two or more modules may be integrated into one module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. The integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may be stored in a readable storage medium. Based on such understanding, the technical solution of the present application or the part that contributes to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a device (which may be a microcontroller, chip, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application. The foregoing storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, and other media that can store program code.
需要说明的是,以上所述仅仅是本申请技术方案的一部分优选具体实施方式,使本领域技术人员能够充分理解或实现本申请,而不是全部的实施例,本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下,在其它实施例中实现。因此,基于以上实施例,对于本技术领域的普通技术人员来说,在不脱离本申请原理,不做出创造性劳动前提下,还可以做出多种显而易见的修改和润饰,通过这些修改和润饰所获得的所有其他实施例,都可以应用于本申请技术方案,这些都不影响本申请的实现,都应当属于本申请的保护范围。因此,本申请将不会被限制于本文所示的这些实施例,而是要符合于本文所公开的原理和新颖特点相一致的最宽的范围。It should be noted that the above description is only a part of the preferred embodiments of the technical solutions of the present application, so that those skilled in the art can fully understand or implement the present application, and not all embodiments. The general principles defined herein may be It can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, based on the above embodiments, those skilled in the art can make various obvious modifications and retouchings without departing from the principles of the application, without making any creative work, through these modifications and retouchings. All other embodiments obtained can be applied to the technical solutions of the present application, and these do not affect the implementation of the present application, and all should belong to the protection scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is to be accorded to the broadest scope of the principles and novel features disclosed herein.
以上对本申请进行了详细介绍,本文中应用可具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想,同时,对于本领域的一般技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本申请的限制。 The present application has been described in detail above, and the application and the embodiments of the present application may be specifically described in the application. The description of the above embodiments is only used to help understand the method and core ideas of the present application, and at the same time, in the field. The present invention is not limited by the scope of the present application, and the description of the present application is not limited to the scope of the present application.

Claims (12)

  1. 一种通话过程中的语音协助方法,其特征在于,包括:A voice assisting method during a call, which is characterized by comprising:
    获取通话语音;Get the call voice;
    检测所述通话语音中是否包含预设关键字;Detecting whether the call voice includes a preset keyword;
    若包含,则查找与所述预设关键字对应的协助操作方式,并执行相应的语音协助操作。If yes, the assist operation mode corresponding to the preset keyword is searched, and the corresponding voice assistance operation is performed.
  2. 根据权利要求1所述的方法,其特征在于,所述通话语音包括:所有通话方中至少一方的通话语音。The method according to claim 1, wherein said call voice comprises: a call voice of at least one of all parties.
  3. 根据权利要求1所述的方法,其特征在于,所述检测所述通话语音中是否包含预设关键字,包括:The method according to claim 1, wherein the detecting whether the call voice includes a preset keyword comprises:
    对所述通话语音进行文字转换,得到对应的通话文字;Performing text conversion on the call voice to obtain a corresponding call text;
    将所述通话文字与预定义的关键字列表进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。Comparing the call text with a predefined keyword list, and determining, according to the comparison result, whether the call voice includes a preset keyword.
  4. 根据权利要求1所述的方法,其特征在于,所述检测所述通话语音中是否包含预设关键字,包括:The method according to claim 1, wherein the detecting whether the call voice includes a preset keyword comprises:
    将所述通话语音与预定义的关键字语音集合进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。Comparing the call voice with a predefined keyword voice set, and determining, according to the comparison result, whether the call voice includes a preset keyword.
  5. 根据权利要求1所述的方法,其特征在于,所述执行相应的语音协助操作,包括:The method according to claim 1, wherein said performing a corresponding voice assisting operation comprises:
    调用与所述预设关键字对应的应用程序。An application corresponding to the preset keyword is called.
  6. 根据权利要求5所述的方法,其特征在于,还包括:从所述通话语音中,提取与所述预设关键字对应的操作内容;以及 The method according to claim 5, further comprising: extracting, from the call voice, operation content corresponding to the preset keyword;
    所述执行相应的语音协助操作,还包括:在调用的应用程序中,执行与所述操作内容相关联的应用功能,所述操作内容为所述通话语音中位于所述预设关键字的相邻语音段或所在的语句。7.一种通话过程中的语音协助装置,其特征在于,包括:The performing the corresponding voice assisting operation further includes: executing, in the invoked application, an application function associated with the operation content, where the operation content is a phase of the call voice located in the preset keyword Adjacent to the speech segment or the statement in which it is located. 7. A voice assisting device during a call, comprising:
    获取模块,获取通话语音;Obtain a module to obtain a call voice;
    检测模块,检测所述通话语音中是否包含预设关键字;The detecting module detects whether the call voice includes a preset keyword;
    执行模块,在检测结果为包含的情况下,查找与所述预设关键字对应的协助操作方式,并执行相应的语音协助操作。The execution module searches for an assist operation mode corresponding to the preset keyword and performs a corresponding voice assistance operation when the detection result is included.
  7. 根据权利要求7所述的装置,其特征在于,所述通话语音包括:所有通话方中至少一方的通话语音。The apparatus according to claim 7, wherein said call voice comprises: a call voice of at least one of all parties.
  8. 根据权利要求7所述的装置,其特征在于,所述检测模块具体用于:The device according to claim 7, wherein the detecting module is specifically configured to:
    对所述通话语音进行文字转换,得到对应的通话文字;Performing text conversion on the call voice to obtain a corresponding call text;
    将所述通话文字与预定义的关键字列表进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。Comparing the call text with a predefined keyword list, and determining, according to the comparison result, whether the call voice includes a preset keyword.
  9. 根据权利要求7所述的装置,其特征在于,所述检测模块具体用于:The device according to claim 7, wherein the detecting module is specifically configured to:
    将所述通话语音与预定义的关键字语音集合进行比较,并根据比较结果确定所述通话语音中是否包含预设关键字。Comparing the call voice with a predefined keyword voice set, and determining, according to the comparison result, whether the call voice includes a preset keyword.
  10. 根据权利要求7所述的装置,其特征在于,所述执行模块具体用于:The apparatus according to claim 7, wherein the execution module is specifically configured to:
    调用与所述预设关键字对应的应用程序。 An application corresponding to the preset keyword is called.
  11. 根据权利要求11所述的装置,其特征在于,还包括:The device according to claim 11, further comprising:
    提取模块,从所述通话语音中,提取与所述预设关键字对应的操作内容;以及Extracting a module, extracting, from the call voice, operation content corresponding to the preset keyword;
    所述执行模块还在调用的应用程序中,执行与所述操作内容相关联的应用功能,所述操作内容为所述通话语音中位于所述预设关键字的相邻语音段或所在的语句。The execution module is further configured to execute, in the called application, an application function associated with the operation content, where the operation content is an adjacent voice segment or a sentence located in the preset keyword in the call voice. .
  12. 一种计算机可读记录介质,其特征在于,包括在其上记录有用于执行如权利要求1-6中任意一项所述方法的程序。 A computer readable recording medium comprising recorded thereon a program for performing the method of any one of claims 1-6.
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