CN1798167A - Mobile terminal with noise-identification communication-variation function and method of varying the same - Google Patents

Mobile terminal with noise-identification communication-variation function and method of varying the same Download PDF

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CN1798167A
CN1798167A CNA2005101143906A CN200510114390A CN1798167A CN 1798167 A CN1798167 A CN 1798167A CN A2005101143906 A CNA2005101143906 A CN A2005101143906A CN 200510114390 A CN200510114390 A CN 200510114390A CN 1798167 A CN1798167 A CN 1798167A
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noise
call
text
changing
method
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CN100438528C (en
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金显晶
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乐金电子(中国)研究开发中心有限公司
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Abstract

本发明公开了一种具有噪音识别通话方法变更功能的移动通信终端及通话方法变更方法,其特征是包括如下几部分:显示部,它可将接收的语音信号转换为文字并输出;控制模块,它在通话时自动测定接听者的周围噪音,如果测到高于设置的基准噪音值的噪音,则将接收的语音信号转换为文字消息,输出到上述显示部。 The present invention discloses a mobile communication terminal and a call identification method of noise having a changing function call method changing method, which is characterized by comprising the following sections: a display unit, which converts a voice signal can be received and output to the text; a control module, it automatically measuring the ambient noise during a call recipient, if the measured noise level is higher than the reference noise set, then the received speech signal into a text message output to the display unit. 本发明不同于现有技术对通话音进行放大的方法,其具有如下效果,即,即使在通话过程中周围存在噪音,可将对方的语音在LCD显示屏中输出为文字消息,从而可从视觉上确实理解并识别对方的语音,实现持续而稳定的通话,防止发生听觉的损伤。 The present invention differs from the prior art method of amplifying a call sound, which has the effect that, even in the presence of ambient noise during a conversation, the other party may be output as a voice message text in the LCD display, so as to be visually on really understand and recognize each other's voice, to achieve sustained and stable call to prevent the occurrence of damage to hearing.

Description

具有噪音识别通话方法变更功能的移动终端及其变更方法 Having a mobile terminal and method of changing the method of changing noise identification function call

技术领域 FIELD

本发明涉及具有噪音识别通话方法变更功能的移动通信终端及通话方法变更方法,特别是涉及一种当通过终端带有的噪音测定装置测到被叫人周围的噪音高于既定基准噪音值时,将对方的语音信号轮换为文字消息并输出到显示屏的具有噪音识别通话方法变更功能的移动通信终端及通话方法变更方法。 The mobile communication terminal and the call process of the present invention relates to a method for changing the noise identification function call changing method, and more particularly to one kind of time when the noise measurement by means of the terminal with the called person sensed ambient noise is higher than a predetermined reference noise value, the rotation of the other text message to a voice signal and outputs to the display of the mobile communication terminal and a call identification noise method call method changing function of changing method.

背景技术 Background technique

一般而言,在空气压力的变化施加于人的鼓膜时,声音就会被感知。 Generally, when the air pressure changes applied to the human eardrum, the sound will be perceived. 能被感觉为声音的最小音压为2 TIMES 10^{-5}N/m^{2}。 Sound can be perceived as a minimum sound pressure of 2 TIMES 10 ^ {- 5} N / m ^ {2}. 因此,听到的声音的大小与该音压的大小成比例。 Therefore, the size of the sound heard with the sound pressure is proportional to the size. 人类对声音的感觉与对数标度对应,所以,声音的大小用以最小音压为基准值的对数标度表示,即,用音压水平表示。 Human perception of sound corresponding to a logarithmic scale and, therefore, the minimum size of the sound to the sound pressure on a logarithmic scale indicates the reference value, i.e., represents a sound pressure level. 其中,在音压水平20log10({p}over{p_0}).中,p是任意的音压,p_0是基准值2TIMES 10^{-5}N/m^{2}。 Among them, the sound pressure level 20log10 ({p} over {p_0}), p is an arbitrary sound pressure, the reference value is P_0 2TIMES 10 ^ {- 5} N / m ^ {2}. 音压水平的单位是分贝(decibel),一般用dB表示。 Sound pressure level in decibels (decibel), usually expressed in dB. 所谓噪音,从物理方面可以定义为不规则音、具有非周期性高频音域特性的音,指因使用机械、设备、设施等其它物体而发生的剧烈的声音。 The so-called noise, can be defined from the physical aspect of the irregular sounds, sound having a frequency range characteristic of the non-periodic, intense sound by means other objects machinery, equipment, facilities or the like occurs. 40dB左右开始对人体有所影响,如果达到70dB,人的末梢血管发生收缩反应,当周围平均噪音达到80dB以上,直接影响人的听力时,在进行电话通话的情况下,难以识别对方的语音。 About 40dB begun to affect the human body, if it reaches 70dB, human peripheral blood vessels shrink reaction, when the average ambient noise reaches 80dB or more direct impact on people's hearing, the case during a telephone conversation, it is difficult to identify the other party's voice.

以往,当周围存在噪音时,接听电话的人必须找到听不到噪音的安静场所或等噪音消失后,再重新进行电话通话,十分不便。 After the past, when there is noise around the person answering the phone must find a quiet place such as hear the noise or the noise disappears, then re-calls, very inconvenient. 在现有技术技术中,当通话者周围存在噪音时,也可提高移动通信终端的接听音进行通话,但当发出比周围噪音更高的接听音时,如上所述,当达到70dB以上时,对通话者的听力造成不良影响,可能发生听力损伤,因此,根据周围噪音放大接听音也存在一定局限。 In the prior art technique, when there is noise around the talker, the sound can be improved to answer a call to the mobile communication terminal, but when the noise is higher than the surrounding sent answering tone, as described above, when it reaches more than 70dB, adversely affect the caller hearing, hearing loss may occur, therefore, depending on the ambient noise amplification Pickup tone there are some limitations.

发明内容 SUMMARY

本发明所要解决的技术问题在于提供一种具有噪音识别通话方法变更功能的移动通信终端及通话方法变更方法,当在通话过程中周围的噪音严重,难以听清对方的语音时,如果通过移动通信终端中安装的噪音测定装置测到高于基准噪音值的噪音,则将对方的语音显示为文字消息,保持顺畅的通话。 The present invention solves the technical problem is to provide a method of calling a mobile communication terminal and a call identification method of noise changing method having a function of changing, when a call severe ambient noise is difficult to hear the voice of the other party, if the mobile communication terminal installed in the noise measurement means is higher than a reference noise value to the noise, then the other party's voice is displayed as a text message, the call remains smooth.

为解决上述课题,本发明具有噪音识别通话方法变更功能的移动通信终端的特征是包括如下几部分:显示部,它可将接收的语音信号转换为文字并输出;控制模块,它在通话时自动测定接听者的周围噪音,如果测到高于设置的基准噪音值的噪音,则将接收的语音信号转换为文字消息,输出到上述显示部。 In order to attain the above object, the present invention has a noise identification calling method of changing a mobile communication terminal functions including the following sections: a display unit, converts a voice signal that can be received as text and output; and a control module, which automatically during a call Determination of the recipient ambient noise, the noise if the measured noise level is higher than the reference set, then the received speech signal into a text message output to the display unit.

另外,为解决上述课题,本发明的噪音识别通话方法变更方法的特征是包括如下步骤:第1步骤,在通话时自动测定接听者的周围噪音,并与设置的基准噪音值进行比较检查;第2步骤,当在上述第1步骤中测到高于上述基准噪音值的噪音时,将接收的语音信号转换为文字消息并进行显示。 Further, to solve the above problems, noise identification call method of the present invention changes the method being characterized by comprising the steps of: a first step of the automatic determination of ambient noise recipient during a phone call, and comparison inspection with a reference noise value; a first step 2, when the measured noise level is higher than the reference noise in the first step, the speech signal is converted to a text message received and displayed.

附图说明 BRIEF DESCRIPTION

图1为本发明具有噪音识别通话方法变更功能的移动通信终端的构成的框图,图2为本发明的噪音识别通话方法变更方法的顺序图。 FIG 1 has a noise block diagram of a method for identifying a call of the mobile communication terminal changes a function of the present invention, FIG. 2 noise identification call method of the present invention a method of changing the order.

其中,附图标记:100:控制模块 110:噪音测定装置120:语音/文字转换模块 130:主控制部200:显示部具体实施方式下面参照附图,详细说明本发明的实施例。 Wherein the reference numerals: 100: control module 110: Noise measurement device 120: a voice / text conversion module 130: main control unit 200: display unit DETAILED DESCRIPTION Referring to the drawings, embodiments of the present invention will be described.

如图1所示,本发明具有噪音识别通话方法变更功能的移动通信终端大致包括如下几部分:通信模块300,它用于接收对方发送的语音信号;移动通信终端的显示部200,它用于输出转换的文字消息;控制模块100,它进行监控,测定通话者周围的噪音,当测到高既定基准噪音值的噪音时,将对方的语音信号转换为文字消息后,在上述显示部200进行显示。 The mobile communication terminal shown in FIG., The present invention has changing noise identification function call method 1 substantially comprises the following parts: a communication module 300, for receiving a voice signal transmitted from the other; the display unit of the mobile communication terminal 200, which is used outputting the converted text message; control module 100, which monitors the measured noise talker around, when the measured noise is high predetermined reference noise value, after converting the other voice signal is a text message in the display unit 200 display.

上述显示部由移动通信终端的液晶显示屏(LCD)构成。 Wherein the display unit includes a liquid crystal display (LCD) of a mobile communication terminal.

另外,具体来说,上述控制模块100包括如下几部分:噪音测定装置110,它在通话时自动测定接听者的周围噪音;语音/文字转换模块120,它将上述语音信号转换为文字消息;主控制部130,它进行监控,当上述噪音测定装置110测定的噪音高于设置的基准噪音值时,指示上述语音/文字转换模块120将上述语音信号转换为文字消息,并在上述显示部200中显示转换的文字消息。 Further, specifically, the control module 100 includes the following sections: Noise measurement device 110, it automatically measuring the ambient noise during a call recipient; voice / text conversion module 120, it converts the speech signal into a text message; Main a control unit 130, which monitors the noise when measuring said noise measuring device 110 is higher than the reference value of the noise, indicating the speech / text converter module 120 converts the speech signal into a text message, and the display unit 200 in converting a text message display.

上述噪音测定装置110在构成上可通过连接于移动通信终端送话部的麦克风,对周围的噪音进行收集并测定。 It said noise measuring device 110 configured by connecting the mobile communication terminal transmitting the microphone unit, then, the surrounding noise collected and measured.

当通过上述送话部带有的麦克风收集噪音时,可以不包括通话者的语音,只收集周围噪音,也可以一同收集通话者的语音和周围噪音。 When the noise collected by a microphone with the above-described transmitter portion, may not include a voice caller, only the ambient noise collected may be collected together with the talker's voice and ambient noise. 当混合收集语音信号和噪音信号时,全部作为噪音处理,可能发生错误。 When mixed collected voice signal and noise signal, all as noise processing, errors may occur. 因此,应加以区分,只提取纯粹的周围噪音值。 Therefore, it should be distinguished, extract only pure ambient noise value. 上述语音信号和噪音信号在其大小方面相对来说,噪音信号的大小较小,所以可以此进行区分。 The speech signal and the noise signal is relatively noise signal is small in size in terms of its size, this can be distinguished. 由于通过上述麦克风收集的信号是模拟信号,首先将其转换为数字信号。 Since the signal of the microphone collected by an analog signal, which is first converted into a digital signal.

例如,当不收集通话者的语音,只收集周围噪音时,将该噪音转换为数字信号,测定噪音的大小即可。 For example, when the talker's voice is not collected, collection only ambient noise, converts the noise into a digital signal, the magnitude of the noise can be measured. 但当混合收集语音信号和噪音时,由于噪音信号的大小比上述语音信号的大小相对较小,所以,据此首先分离语音信号和噪音后,只测定噪音信号的大小,并与基准噪音值相比较。 However, when a speech signal and noise mixed collection, since the size of a noise signal is relatively smaller than the size of the speech signal, therefore, the voice signal is first separated accordingly and noise, only the measurement of a noise signal and the noise with the reference values Compare. 上述噪音测定装置110在构成上满足如下要求,即,从收集信号中只提取噪音信号,只将关于该噪音值的数据发送给主控制部130,使主控制部130比较上述噪音水平和基准噪音值并进行判断。 Said noise measuring means 110 satisfies the following requirements on the configuration, i.e., extract noise signals from only collection signal, only the data about the noise level is transmitted to the main control unit 130, the main control unit 130 compares the noise level and the reference noise and determination value. 另外,上述语音/文字转换模块120包括对上述语音信号进行解析的语音识别引擎121和将上述解析的语音信号组合、转换成文字消息的文字转换装置122。 Further, the speech / text converter module 120 includes the speech signal analyzing speech recognition engine 121 and the combined signal by the analysis of the speech, a text message is converted to text conversion device 122. 具体来说,上述语音识别引擎121的功能是分析通过通信模块300接收的语音信号,并与相应语音信号要表现的文字符号进行匹配(match)。 Specifically, the functions of the speech recognition engine 121 is to analyze the received voice signals via the communication module 300, and a voice signal corresponding to the performance of text symbols match (match). 上述文字转换装置122组合上述语音识别引擎121分析并匹配(match)的文字符号,转换为文字消息,并按照上述主控制部130的指示向上述显示部200发送信号。 Analysis of the character combination of the converting means 122 and speech recognition engine 121 matches (match) the text symbols, is converted to a text message, and sends a signal to the display unit 200 according to the indication of the main control unit 130. 一般而言,在工地听到的噪音,即,考虑到因道路或建筑物的施工而发生的噪音,即使距离施工机械30m,铁锤发生90dB的噪音,空气压缩机和铆接机发生80dB的噪音,混凝土破碎机发生75dB的噪音。 In general, at the site to hear the noise, that is, taking into account the noise due to construction or road building occurred, even though construction machinery from 30m, hammer occurrence of noise 80dB 90dB of noise, air compressors and riveting machines occur 75dB of noise, concrete breaker occurs. 因此,上述基准噪音值基本设置为判断认为通话时难以识别对方语音的80dB,但并非限定于此,可适当进行调整。 Thus, the reference noise value is determined to substantially difficult to recognize that 80dB during a call partner voice, but are not limited thereto, can be appropriately adjusted.

如上构成的本发明的动作如图2所示。 Operation of the present invention configured as described above is shown in Fig.

首先,通过通信模块接收对方的语音信号,开始通话(步骤S1)。 First, the receiving party's voice signal via the communication module, start a call (step S1).

在通话开始的同时,噪音测定装置自动测定通话者周围的噪音(步骤S2)。 While the beginning of the call, the noise measuring means for automatically measuring the talker ambient noise (step S2).

然后,主控制部检查上述噪音测定装置测定噪音是否高于基准噪音值(步骤S3)。 Then, the main control unit checks said noise measuring means for measuring the noise is higher than a reference noise value (step S3).

当上述噪音测定装置测定的噪音小于基准噪音值时,继续保持通话;当高于基准噪音值时,上述主控制部将上述接收的语音信号传递给语音识别引擎(步骤S4)。 When the noise measured by the noise measuring device is smaller than the reference noise value, to maintain a call; when the noise is higher than the reference value, the main control unit transmitting the received speech signal to a speech recognition engine (Step S4).

接着,上述语音识别引擎对上述语音信号进行解析,具体来说,分析上述语音信号,并与各个语音信号要表现的文字符号进行匹配后,将与之相应的信号发送给文字转换装置(步骤S5)。 Next, the speech recognition engine for analyzing the speech signal, specifically, the analysis of the speech signal, the speech signal and to the performance of the respective symbols of the text matches the text will be sent to the converting means (step S5 signals corresponding thereto ).

上述文字转换装置将接收的信号转换为各个相应的文字,并组合成文字消息(步骤S6)。 The character converting means for converting the received signal corresponding to each word, and combined into a text message (step S6).

之后,上述主控制部将上述转换并组合的文字消息输出到显示部(步骤S7)。 Thereafter, the main control unit and convert the above-described combination of a text message to the display unit (step S7).

重新测定通话者周围的噪音(步骤S8),检查噪音是否高于基准噪音值(步骤S9),如果高于基准噪音值,则从步骤S4开始反复执行;如果噪音小于基准噪音值,则重新继续以语音进行通话(步骤S10)。 Remeasurement noise around the talker (step S8), checking whether the noise is higher than a reference noise value (step S9), if the noise is higher than the reference value, starts from step S4 is repeatedly executed; if the noise is less than the reference noise value is resumed in speech call (step S10).

如上构成的本发明具有噪音识别通话方法变更功能的移动通信终端及通话方法变更方法具有如下效果,即,它不同于现有技术的对通话音进行放大的方法,在通话过程中即使周围存在噪音,可将对方的语音在LCD显示屏中输出为文字消息,从而可从视觉上确实理解并识别对方的语音,实现持续而稳定的通话,防止发生听觉的损伤。 The mobile communication terminal call method according to the present invention and having a configuration as described above noise identification call method changing function has the effect of changing method, i.e., it is different from the method call voice amplifying the prior art, the presence of noise during the call even when the ambient , the other party's voice can be output in the LCD display as a text message, which can identify each other and do understand speech, sustained and stable calls, preventing injury audible visually.

Claims (7)

1.一种具有噪音识别通话方法变更功能的移动通信终端,其特征是,包括如下几部分:显示部,可将接收的语音信号转换为文字并输出;控制模块,在通话时自动测定接听者的周围噪音,如果测到高于设置的基准噪音值的噪音,则将接收的语音信号转换为文字消息,输出到所述显示部。 CLAIMS 1. A method for changing a call having a noise recognition function of the mobile communication terminal, characterized in that, including the following sections: a display unit, the received speech signal may be converted to text and output; and a control module, automatic measurement answer an incoming call by the ambient noise, the noise if the measured noise level is higher than the reference set, then the received speech signal into a text message output to the display unit.
2.根据权利要求1所述的具有噪音识别通话方法变更功能的移动通信终端,其特征是,所述控制模块包括如下几部分:噪音测定装置,在通话时自动测定接听者的周围噪音;语音/文字转换模块,将所述语音信号转换为文字消息;主控制部,进行监控,当所述噪音测定装置测定的噪音高于设置的基准噪音值时,指示所述语音/文字转换模块将所述语音信号转换为文字消息,并将转换的文字消息输出到所述显示部。 The mobile communication terminal having a changing noise identification function call method according to claim 1, characterized in that said control module comprises the following sections: the noise measuring device for the automatic determination of the ambient noise at the time of a call recipient; Voice / character conversion module, the voice signal is converted to a text message; main control unit, to monitor the noise when the noise measuring apparatus is higher than the reference value of the noise, indicating the voice / text conversion module the said speech signal into a text message, and outputs the converted text message to the display unit.
3.根据权利要求2所述的具有噪音识别通话方法变更功能的移动通信终端,其特征是,所述语音/文字转换模块由对所述语音信号进行解析的语音识别引擎和将上述解析的语音信号转换为文字后组合成文字消息的文字转换装置构成。 The mobile communication terminal having a changing noise identification function call method according to claim 2, wherein said text speech recognition engine by the speech translation module for analyzing the speech signal and speech to the analyzing / combined into a text message character conversion means configured to convert the signal after the text.
4.根据权利要求1或2所述的具有噪音识别通话方法变更功能的移动通信终端,其特征是,所述具有噪音识别通话方法变更功能的移动通信终端中设置的基准噪音值为80分贝。 The mobile communication terminal having a function of changing noise identification or call method according to claim 1, wherein said reference noise having a noise identification method for changing a call function provided in the mobile communication terminal is 80 dB.
5.一种噪音识别通话方法变更方法,其特征是,包括如下步骤:第1步骤,在通话时自动测定接听者的周围噪音,并与设置的基准噪音值进行比较检查;第2步骤,当在上述第1步骤中测到高于上述基准噪音值的噪音时,将接收的语音信号转换为文字消息并输出。 A method of changing noise call identification method, which is characterized by comprising the steps of: a first step of the automatic determination of the call recipient is the ambient noise, and compared with a reference noise check value set; the second step, when when the measured noise level is higher than the reference noise in the first step, converts a voice signal received, and outputs a text message.
6.根据权利要求5所述的噪音识别通话方法变更方法,其特征是,所述第1步骤中将基准噪音值设置为80分贝并进行比较检查。 The noise identification call method according to claim 5 changing method, wherein, in the step of said first reference value is set to 80 db noise and comparison inspection.
7.根据权利要求5所述的噪音识别通话方法变更方法,其特征是,在所述第2步骤中利用语音识别引擎解析接收的语音信号后,文字转换装置将其转换为文字,组合成文字消息,并输出到显示部。 The method for changing the noise call identification method according to claim 5, characterized in that, using a speech recognition engine parses the received voice signals, character conversion means to convert it to text in the second step, a combination of text into message, and output to the display unit.
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