WO2019119406A1 - 一种缩短呼叫建立时间的方法、装置及对讲机 - Google Patents
一种缩短呼叫建立时间的方法、装置及对讲机 Download PDFInfo
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- WO2019119406A1 WO2019119406A1 PCT/CN2017/117957 CN2017117957W WO2019119406A1 WO 2019119406 A1 WO2019119406 A1 WO 2019119406A1 CN 2017117957 W CN2017117957 W CN 2017117957W WO 2019119406 A1 WO2019119406 A1 WO 2019119406A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
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- the present invention relates to the field of communications, and more particularly to a method, apparatus, and walkie-talkie for shortening call setup time.
- the walkie-talkie is a two-way mobile communication tool that can talk without any network support, no call charges, and is suitable for relatively fixed and frequent calls.
- the voice input by the user can be collected only after the call setup is completed.
- the process of call setup includes: after the processor in the walkie-talkie detects that the PTT button is pressed, the PTT button is identified, and after establishing a connection with the called party, the voice prompt is used to notify the user that the speech can be started. That is, when the walkie-talkie is used, after the voice prompt is played, the voice input by the user can be collected and sent to the called party.
- the user generally starts to speak after pressing the PTT button, and the voice that the user said before the prompt tone is played will not be collected, thereby causing the user to lose the voice input before the prompt tone is played, affecting the conversation between the two parties. Integrity.
- the present invention provides a method, a device and a walkie-talkie for shortening the call setup time, so as to solve the problem that the user usually starts speaking after pressing the PTT button, and the voice that the user said before the prompt tone is played will not be
- the acquisition causes the user to lose the voice input before the prompt tone is played, which affects the integrity of the call between the two parties.
- the present invention adopts the following technical solutions:
- a method for shortening call setup time, applied to a walkie-talkie including:
- the collected voice is sent to the receiving device.
- the method further includes:
- the sending the collected voice to the receiving device includes:
- the voice is split into a plurality of active voices and a plurality of inactive voices, including:
- the voice activity detection algorithm is used to split the voice into a plurality of the active voices and a plurality of the inactive voices.
- sending the user input voice to the receiving device comprises:
- the method further includes:
- the sending the collected voice to the receiving device includes:
- sending the user input voice to the receiving device comprises:
- a device for shortening call setup time, applied to a walkie-talkie comprising:
- a detecting unit configured to detect whether there is a touch point on the PTT button of the walkie-talkie; wherein the touch point is a contact point between a user's finger and the PTT button;
- a determining unit configured to: when the detecting unit detects that the touch point exists on the PTT button, determine whether a time when the touch point exists is greater than a preset value;
- a collecting unit configured to: when the determining unit determines that the time when the touch point exists is greater than the preset value, collecting a voice
- a sending unit configured to send the collected voice to the receiving device after detecting that the PTT button is pressed, and the interphone establishes a connection with the receiving device.
- the method further comprises:
- a saving unit configured to save the voice after the collecting unit collects a voice
- a splitting unit configured to split the voice into multiple active voices and multiple inactive voices
- a voice discarding unit configured to discard each of the inactive voices by a preset proportion of a portion of the inactive voice to obtain a plurality of segment voices
- a voice combining unit configured to combine a plurality of the active voices and a plurality of the segment voices according to a voice generation time to obtain a user input voice
- the sending unit is configured to send the collected voice to the receiving device, specifically:
- the splitting unit comprises:
- the splitting unit is configured to split the voice into a plurality of the active voices and a plurality of the inactive voices by using a voice activity detection algorithm.
- the method further comprises:
- a voice encoding unit configured to: after the collecting unit collects a voice, perform voice encoding on the voice to obtain a coded processing voice;
- a voice saving unit configured to save the encoded processing voice
- a voice splitting unit configured to split the encoded processed voice into multiple active voices and multiple inactive voices based on voice activity detection results in a voice encoding process
- a discarding unit configured to discard each of the inactive voices by a preset proportion of a portion of the inactive voice to obtain a plurality of segment voices
- a combining unit configured to combine a plurality of the active voices and the plurality of the segment voices according to a voice generation time to obtain a user input voice
- the sending unit sends the collected voice to the receiving device, it is specifically used to:
- the sending unit comprises:
- a coding unit configured to perform channel coding on the user input voice to obtain channel coded speech
- a voice sending unit configured to send the channel coded voice to the receiving device.
- a walkie-talkie including a memory and a processor
- the memory is used to store a program
- a processor is operative to run a program, wherein when the processor runs the program, it is used to:
- the collected voice is sent to the receiving device.
- the processor is used to collect voice, it is further used for:
- the processor when configured to send the collected voice to the receiving device, specifically:
- the processor when the processor is used to split the voice into multiple active voices and multiple inactive voices, specifically:
- the voice activity detection algorithm is used to split the voice into a plurality of the active voices and a plurality of the inactive voices.
- the processor when the processor is configured to send the user input voice to the receiving device, specifically:
- the processor is used to collect voice, it is further used for:
- the processor when configured to send the collected voice to the receiving device, specifically:
- the processor when the processor is configured to send the user input voice to the receiving device, specifically:
- the present invention has the following beneficial effects:
- the invention provides a method, a device and a walkie-talkie for shortening the call setup time.
- the PTT button When the PTT button is not pressed in the invention, when the contact time between the user's finger and the PTT button is greater than a preset value, the user is started to collect.
- the input voice avoids the loss of voice input by the user before the prompt tone is played. It solves the problem that the user usually starts to speak after pressing the PTT button, and the voice that the user said before the prompt tone is played will not be collected, and the voice input by the user before the prompt tone is played is lost, which affects the conversation between the two parties. The issue of integrity.
- each inactive voice is discarded by a preset proportion of part of the inactive voice, which can reduce the voice playing time of the called party, thereby reducing the time of the voice delay, that is, reducing the transmission delay.
- FIG. 1 is a flowchart of a method for shortening a call setup time provided by the present invention
- FIG. 2 is a flowchart of another method for shortening a call setup time provided by the present invention.
- FIG. 3 is a flowchart of still another method for shortening a call setup time according to the present invention.
- FIG. 4 is a schematic structural diagram of an apparatus for shortening call setup time according to the present invention.
- FIG. 5 is a schematic structural diagram of another apparatus for shortening call setup time according to the present invention.
- FIG. 6 is a schematic structural diagram of another apparatus for shortening call setup time according to the present invention.
- the embodiment of the invention provides a method for shortening the call setup time, which is applied to the walkie-talkie.
- the method for shortening the call setup time includes:
- step S101 Check whether there is a touch point on the PTT button of the walkie-talkie; when it is detected that there is a touch point on the PTT button, step S102 is performed.
- the touch point is the contact point between the user's finger and the PTT button. Detect whether there is a touch point on the PTT button of the walkie-talkie, that is, whether the user's finger is in contact with the PTT button.
- the PTT button in this embodiment is a PTT button with a touch sensing function.
- the mode used by the walkie-talkie is PTT mode, and the PTT mode refers to the half-duplex call.
- the whole call process needs to press the PTT button to speak.
- the user will first put the finger on the PTT button. After the action is determined, press the PTT button to start talking. It takes tens of milliseconds to put the finger on the PTT button and press the PTT button.
- step S102 Determine whether the time when the touch point exists is greater than a preset value. When it is determined that the time when the touch point exists is greater than the preset value, step S103 is performed.
- determining whether the time of the touch point exists is greater than a preset value, that is, determining whether the contact time between the user's finger and the PTT button is greater than a preset value before the user presses the PTT button, wherein the preset value may be a few seconds. Or ten or more seconds.
- determining whether the time when the touch point exists is greater than a preset value is to prevent the user from accidentally touching the PTT button but not speaking.
- the process of collecting voice includes: turning on the microphone of the walkie-talkie and the analog-to-digital converter ADC of the codec CODEC.
- the microphone can receive the sound signal input by the user and convert the sound signal into an analog signal, and the analog converter converts the analog signal into a digital signal and saves the digital signal.
- the process of establishing a connection between the walkie-talkie and the receiving device includes:
- the call request information is generated and sent to the receiving device, and the confirmation connection information sent by the receiving device is received.
- the receiving device After the call request information is sent to the receiving device, the receiving device sends the confirmation connection information to the walkie-talkie through the air interface in the next-slot time slot of the time slot in which the call request information is received.
- the air interface is an interface between the base station and the mobile terminal in the mobile communication network.
- the receiving device may be a base station or other intercom.
- the base station may be a digital mobile radio DMR, a digital trunk PDT, a terrestrial trunked radio TETRA base station, and the walkie-talkie includes a hand platform or a vehicle platform.
- the embodiment provides a method for shortening the call setup time.
- the PTT button is not pressed in this embodiment, when the contact time between the user's finger and the PTT button is greater than a preset value, the voice is collected, and the user is avoided. Loss of voice input before the tone is played. It solves the problem that the user usually starts to speak after pressing the PTT button, and the voice that the user said before the prompt tone is played will not be collected, and the voice input by the user before the prompt tone is played is lost, which affects the conversation between the two parties. The issue of integrity.
- step S103 the method further includes:
- a buffer is set in the walkie-talkie to store the collected voice data, wherein the voice data of the buffer is stored in a first-in, first-out manner. That is, the voice data that is preferentially stored is preferentially transmitted to the receiving device.
- the size of the buffer can be determined according to the usage. It mainly considers the allowable voice delay, the statistical length of the lost information, and the size of the space supported by the memory. In the worst case, DMR1:4 power saving is taken as an example. Carrier, plus PTT button software processing time of 100ms, about to open a space that can store 580ms of voice data, but this space will not be used, will remove some inactive voice and then store, 580ms is the largest one The most insured space.
- the storage space can store 580 ms of voice data, if the received voice data exceeds 580 ms, the excess voice data will sequentially cover the first stored voice data.
- the storage unit is generally in units of byte bytes. Therefore, when storing voice data, it is necessary to look at how much space 580ms of voice data needs to occupy, and to sample at 16k sampling rate of 8k, 100ms will occupy 800*2 bytes, then 580ms. Take up 800*2*5.8 bytes.
- step S205 includes:
- the voice activity detection algorithm is used to split the voice into multiple active voices and multiple inactive voices.
- VAD Voice Activity Detection
- voice endpoint detection and speech boundary detection The purpose is to identify and eliminate long silent periods from the sound signal stream, so as to save the channel resources without degrading the quality of the service, which can help reduce the end-to-end delay perceived by the user.
- the active voice includes the voice spoken by the user, and the inactive voice is muted, that is, the inactive voice does not include the voice spoken by the user.
- active voice cannot be discarded, and inactive voice can be discarded.
- S206 Discard each inactive voice by a preset proportion of part of the inactive voice to obtain a plurality of segment voices;
- the preset proportion of the part of the inactive voice is discarded, wherein the preset ratio may be 0.5, 0.8, or 1.
- the preset ratio is 0.5, and then discarding The 0.5 of the inactive voice changes a 10 ms inactive voice to a 5 ms segment voice.
- the voice generation time refers to the time when the user speaks the voice. Now, an example is shown in which a plurality of active voices and a plurality of clip voices are combined according to voice generation time to obtain a process in which a user inputs voice.
- the voice is split into three active voices and one inactive voice, and the voice generation time sequence of the three active voices and one inactive voice is active voice 1, inactive voice, active voice 2, and active voice 3.
- step S104 is changed to step S208:
- sending the user input voice to the receiving device includes:
- the user inputs voice into speech coding and channel coding to obtain encoded speech, and transmits the encoded speech to the receiving device.
- Speech coding that is, vocoder coding, is based on a digital model generated by a speech signal, and analyzes digital speech to propose a set of characteristic parameters.
- the characteristic parameters mainly refer to the excitation parameters that characterize the glottal vibration and the vocal parameters that characterize the characteristics of the vocal tract. These parameters carry the main information of the speech signal, and they need only a small number of bits to be encoded, and can be re-created by these parameters after decoding.
- the synthesized speech signal can be encoded at a rate as low as 2.4 kbit/s or less.
- Channel coding is an error correction and error detection coding of a digital signal to be transmitted in a channel. Specifically, in channel coding, a forward error correction FEC check may be added to the digital signal converted by the analog-to-digital converter.
- discarding a portion of the inactive voice of the preset proportion of each inactive voice can reduce the voice playing time of the called party, thereby reducing the time of the voice delay, that is, reducing the transmission delay.
- the method further includes:
- the overall rate is 3.6Kbps, and the storage space occupied by 580ms of voice storage is 261Bytes.
- Step S104 is changed to step S309:
- sending the user input voice to the receiving device includes:
- the channel encoded speech is transmitted to the receiving device.
- the encoding processing voice is split into a plurality of active voices and a plurality of inactive voices, and the time when multiple active voices and multiple inactive voices are split in the previous embodiment is obtained. Differently, there are different processing methods when splitting to obtain multiple active voices and multiple inactive voices.
- another embodiment of the present invention provides a device for shortening a call setup time, which is applied to a walkie-talkie.
- the apparatus for shortening a call setup time includes:
- the detecting unit 101 is configured to detect whether there is a touch point on the PTT button of the walkie-talkie; wherein the touch point is a contact point between the user's finger and the PTT button;
- the determining unit 102 is configured to: when the detecting unit detects that there is a touch point on the PTT button, determine whether the time of the touch point exists is greater than a preset value;
- the collecting unit 103 is configured to: when the determining unit 102 determines that the time when the touch point exists is greater than a preset value, collecting the voice;
- the sending unit 104 is configured to send the collected voice to the receiving device after detecting that the PTT button is pressed and the intercom establishes a connection with the receiving device.
- the sending unit sends the collected voice to the receiving device, specifically:
- the user inputs voice into speech coding and channel coding to obtain coded speech;
- the encoded speech is sent to the receiving device.
- the embodiment provides a device for shortening the call setup time.
- the PTT button when the PTT button is not pressed, when the contact time between the user's finger and the PTT button is greater than a preset value, the voice is collected, and the user is avoided. Loss of voice input before the tone is played. It solves the problem that the user usually starts to speak after pressing the PTT button, and the voice that the user said before the prompt tone is played will not be collected, and the voice input by the user before the prompt tone is played is lost, which affects the conversation between the two parties. The issue of integrity.
- the method further includes:
- the saving unit 105 is configured to save the voice after the collecting unit 103 collects the voice
- the splitting unit 106 is configured to split the voice into multiple active voices and multiple inactive voices;
- a voice discarding unit 107 configured to discard each inactive voice by a preset proportion of a part of the inactive voice, to obtain a plurality of segment voices;
- a voice combining unit 108 configured to combine a plurality of active voices and a plurality of segment voices according to a voice generation time to obtain a user input voice
- the sending unit 104 when the sending unit 104 is configured to send the collected voice to the receiving device, the sending unit 104 is specifically configured to: send the user input voice to the receiving device.
- the splitting unit 106 includes:
- the splitting unit is used to split the voice into multiple active voices and multiple inactive voices using a voice activity detection algorithm.
- discarding a portion of the inactive voice of the preset proportion for each inactive voice can reduce the voice playing time of the called party, thereby reducing the time of the voice delay.
- the device for shortening the call setup time further includes:
- the voice encoding unit 109 is configured to: after the collecting unit 103 collects the voice, perform voice encoding on the voice to obtain an encoded processing voice;
- the voice saving unit 110 is configured to save the encoded processing voice
- the voice splitting unit 111 is configured to split the encoded processed voice into multiple active voices and multiple inactive voices based on the voice activity detection result in the voice encoding process;
- a discarding unit 112 configured to discard each inactive voice by a preset proportion of a portion of the inactive voice, to obtain a plurality of segment voices;
- the combining unit 113 is configured to combine the plurality of active voices and the plurality of segment voices according to the voice generation time to obtain a user input voice;
- the sending unit 104 sends the collected voice to the receiving device, it is specifically used to:
- the sending unit 104 includes:
- a coding unit configured to perform channel coding on the input voice of the user, to obtain channel coded speech
- a voice sending unit configured to send channel coded voice to the receiving device.
- the encoding processing voice is split into a plurality of active voices and a plurality of inactive voices, and the time when multiple active voices and multiple inactive voices are split in the previous embodiment is obtained. Differently, there are different processing methods when splitting to obtain multiple active voices and multiple inactive voices.
- another embodiment of the present invention provides a walkie-talkie, including a memory and a processor;
- the memory is used to store a program
- a processor is operative to run a program, wherein when the processor runs the program, it is used to:
- the collected voice is sent to the receiving device.
- the processor is used to collect voice, it is further used to:
- the processor when configured to send the collected voice to the receiving device, specifically:
- the voice activity detection algorithm is used to split the voice into a plurality of the active voices and a plurality of the inactive voices.
- the processor when configured to send the user input voice to the receiving device, specifically:
- the processor is used to collect voice, it is further used to:
- the processor when configured to send the collected voice to the receiving device, specifically:
- the processor when configured to send the user input voice to the receiving device, specifically:
- the PTT button when the PTT button is not pressed, when the contact time between the user's finger and the PTT button is greater than a preset value, the voice is collected, and the loss of the voice input before the user finishes the prompt tone is avoided. It solves the problem that the user usually starts to speak after pressing the PTT button, and the voice that the user said before the prompt tone is played will not be collected, and the voice input by the user before the prompt tone is played is lost, which affects the conversation between the two parties. The issue of integrity.
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Abstract
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Claims (17)
- 一种缩短呼叫建立时间的方法,其特征在于,应用于对讲机,包括:检测所述对讲机的PTT按键上是否存在触摸点;其中,所述触摸点为用户的手指与所述PTT按键的接触点;当检测出所述PTT按键上存在所述触摸点,判断所述触摸点存在的时间是否大于预设数值;当判断出所述触摸点存在的时间大于所述预设数值时,采集语音;当检测到所述PTT按键被按下、且所述对讲机与接收设备建立连接后,将采集的语音发送到所述接收设备。
- 根据权利要求1所述的方法,其特征在于,所述采集语音后,还包括:保存所述语音;将所述语音拆分为多个活动语音和多个非活动语音;将每个所述非活动语音丢弃预设比例的部分非活动语音,得到多个片段语音;将多个所述活动语音和多个所述片段语音按照语音生成时间进行组合,得到用户输入语音;相应的,所述将采集的语音发送到所述接收设备,具体包括:将所述用户输入语音发送到所述接收设备。
- 根据权利要求2所述的方法,其特征在于,将所述语音拆分为多个活动语音和多个非活动语音,包括:采用语音活动检测算法,将所述语音拆分为多个所述活动语音和多个所述非活动语音。
- 根据权利要求2所述的方法,其特征在于,将所述用户输入语音发送到所述接收设备,包括:将所述用户输入语音进行语音编码和信道编码,得到编码语音;将所述编码语音发送到所述接收设备。
- 根据权利要求1所述的方法,其特征在于,所述采集语音后,还包括:将所述语音进行语音编码,得到编码处理语音;保存所述编码处理语音;基于语音编码过程中的语音活动检测结果,将所述编码处理语音拆分为多个活动语音和多个非活动语音;将每个所述非活动语音丢弃预设比例的部分非活动语音,得到多个片段语音;将多个所述活动语音和多个所述片段语音按照语音生成时间进行组合,得到用户输入语音;相应的,所述将采集的语音发送到所述接收设备,具体包括:将所述用户输入语音发送到所述接收设备。
- 根据权利要求5所述的方法,其特征在于,将所述用户输入语音发送到所述接收设备,包括:将所述用户输入语音进行信道编码,得到信道编码语音;将所述信道编码语音发送到所述接收设备。
- 一种缩短呼叫建立时间的装置,其特征在于,应用于对讲机,包括:检测单元,用于检测所述对讲机的PTT按键上是否存在触摸点;其中,所述触摸点为用户的手指与所述PTT按键的接触点;判断单元,用于当所述检测单元检测出所述PTT按键上存在所述触摸点,判断所述触摸点存在的时间是否大于预设数值;采集单元,用于当所述判断单元判断出所述触摸点存在的时间大于所述预设数值,采集语音;发送单元,用于当检测到所述PTT按键被按下、且所述对讲机与接收设备建立连接后,将采集的语音发送到所述接收设备。
- 根据权利要求7所述的装置,其特征在于,还包括:保存单元,用于所述采集单元采集语音后,保存所述语音;拆分单元,用于将所述语音拆分为多个活动语音和多个非活动语音;语音丢弃单元,用于将每个所述非活动语音丢弃预设比例的部分非活动语音,得到多个片段语音;语音组合单元,用于将多个所述活动语音和多个所述片段语音按照语音生成时间进行组合,得到用户输入语音;相应的,所述发送单元用于将采集的语音发送到所述接收设备时,具体用于:将所述用户输入语音发送到所述接收设备。
- 根据权利要求8所述的方法装置,其特征在于,所述拆分单元包括:拆分子单元,用于采用语音活动检测算法,将所述语音拆分为多个所述活动语音和多个所述非活动语音。
- 根据权利要求7所述的方法装置,其特征在于,还包括:语音编码单元,用于所述采集单元采集语音后,将所述语音进行语音编码,得到编码处理语音;语音保存单元,用于保存所述编码处理语音;语音拆分单元,用于基于语音编码过程中的语音活动检测结果,将所述编码处理语音拆分为多个活动语音和多个非活动语音;丢弃单元,用于将每个所述非活动语音丢弃预设比例的部分非活动语音,得到多个片段语音;组合单元,用于将多个所述活动语音和多个所述片段语音按照语音生成时间进行组合,得到用户输入语音;相应的,发送单元将采集的语音发送到所述接收设备时,具体用于:将所述用户输入语音发送到所述接收设备。
- 根据权利要求10所述的方法装置,其特征在于,所述发送单元包括:编码单元,用于将所述用户输入语音进行信道编码,得到信道编码语音;语音发送单元,用于将所述信道编码语音发送到所述接收设备。
- 一种对讲机,其特征在于,包括存储器和处理器;其中,所述存储器用于存储程序;处理器用于运行程序,其中,当所述处理器运行所述程序时用于:检测所述对讲机的PTT按键上是否存在触摸点;其中,所述触摸点为 用户的手指与所述PTT按键的接触点;当检测出所述PTT按键上存在所述触摸点,判断所述触摸点存在的时间是否大于预设数值;当判断出所述触摸点存在的时间大于所述预设数值,采集语音;当检测到所述PTT按键被按下、且所述对讲机与接收设备建立连接后,将采集的语音发送到所述接收设备。
- 根据权利要求12所述的对讲机,其特征在于,所述处理器用于采集语音后,还用于:保存所述语音;将所述语音拆分为多个活动语音和多个非活动语音;将每个所述非活动语音丢弃预设比例的部分非活动语音,得到多个片段语音;将多个所述活动语音和多个所述片段语音按照语音生成时间进行组合,得到用户输入语音;相应的,所述处理器用于将采集的语音发送到所述接收设备时,具体用于:将所述用户输入语音发送到所述接收设备。
- 根据权利要求13所述的对讲机,其特征在于,所述处理器用于将所述语音拆分为多个活动语音和多个非活动语音时,具体用于:采用语音活动检测算法,将所述语音拆分为多个所述活动语音和多个所述非活动语音。
- 根据权利要求13所述的对讲机,其特征在于,所述处理器用于将所述用户输入语音发送到所述接收设备时,具体用于:将所述用户输入语音进行语音编码和信道编码,得到编码语音;将所述编码语音发送到所述接收设备。
- 根据权利要求12所述的对讲机,其特征在于,所述处理器用于采集语音后,还用于:将所述语音进行语音编码,得到编码处理语音;保存所述编码处理语音;基于语音编码过程中的语音活动检测结果,将所述编码处理语音拆分为多个活动语音和多个非活动语音;将每个所述非活动语音丢弃预设比例的部分非活动语音,得到多个片段语音;将多个所述活动语音和多个所述片段语音按照语音生成时间进行组合,得到用户输入语音;相应的,所述处理器用于将采集的语音发送到所述接收设备时,具体用于:将所述用户输入语音发送到所述接收设备。
- 根据权利要求16所述的对讲机,其特征在于,所述处理器用于将所述用户输入语音发送到所述接收设备时,具体用于:将所述用户输入语音进行信道编码,得到信道编码语音;将所述信道编码语音发送到所述接收设备。
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| US7940900B2 (en) * | 2006-12-04 | 2011-05-10 | Hewlett-Packard Development Company, L.P. | Communication control for device with telephonic functionality |
| CN104090652A (zh) * | 2014-06-13 | 2014-10-08 | 北京搜狗科技发展有限公司 | 一种语音输入方法和装置 |
| CN104796166A (zh) * | 2014-01-16 | 2015-07-22 | 海能达通信股份有限公司 | 一种无线配件唤醒方法和无线配件 |
| CN106487408A (zh) * | 2015-08-25 | 2017-03-08 | 北京信威通信技术股份有限公司 | 手持通话装置和语音呼叫方法 |
| CN107863981A (zh) * | 2017-12-22 | 2018-03-30 | 海能达通信股份有限公司 | 一种缩短呼叫建立时间的方法及对讲机 |
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| US7940900B2 (en) * | 2006-12-04 | 2011-05-10 | Hewlett-Packard Development Company, L.P. | Communication control for device with telephonic functionality |
| CN104796166A (zh) * | 2014-01-16 | 2015-07-22 | 海能达通信股份有限公司 | 一种无线配件唤醒方法和无线配件 |
| CN104090652A (zh) * | 2014-06-13 | 2014-10-08 | 北京搜狗科技发展有限公司 | 一种语音输入方法和装置 |
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