JP2001223772A - Radio telephone device and its speech quality notifying method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a user to recognize how large noise his or her voice signal to be sent has before making a telephone call as to a radio telephone device comprising a slave unit and its master unit. SOLUTION: When the slave unit is placed in the off-hook state first, a radio connection between the master unit and slave unit (S2, S11) is established and it is decided (S13) whether the master unit has received a soundless state radio signal from the slave unit before a telephone call is made. The soundless state radio signal, when received by the master unit, is converted into a voice signal (S14), its noise level is measured (S15) and decided (S16) by comparison with a specific threshold. The decision result is reported as noise level data to the slave unit (S17) and the slave unit displays the reported result (S6).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone apparatus and a communication quality notification method thereof, and more particularly, to a base station which is a cordless telephone and a connection apparatus which is connected to a public line and can communicate with the sub station wirelessly. And a communication quality notification method.

[0002]

2. Description of the Related Art Conventionally, in this type of wireless telephone device, as exemplified in Japanese Patent Application Laid-Open No. 4-32339, a slave detects a radio signal transmitted by a master or a slave detects a wireless signal. Detects the radio signal transmitted by the radio wave, and displays and notifies the user of the received electric field strength level.

[0003]

SUMMARY OF THE INVENTION In the above-mentioned conventional radio telephone device, the base unit is connected to the main unit. Although it was possible to check the status of the received radio waves at the slave unit, it was not possible to check the state of the voice being transmitted. The electric field strength level is a value that indicates the strength of the radio wave,
It was not possible to determine how much noise was on the actual transmitted voice signal.

SUMMARY OF THE INVENTION An object of the present invention is to provide a wireless telephone device comprising a slave unit and a base unit so that it is possible to know before a call how much noise is present in a voice signal transmitted by the user, thereby improving the call quality. It is an object of the present invention to provide a possible wireless telephone device and a communication quality notification method thereof.

[0005]

SUMMARY OF THE INVENTION A wireless telephone device according to the present invention comprises a portable device, which is a portable cordless telephone, and a base device, which is a connection device connected to a public line and capable of communicating with the portable device wirelessly. In the wireless telephone device provided with a main control unit that controls the whole of each of the slave unit and the master unit, when the slave unit is hooked off first, the silent unit transmitted from the slave unit has no sound. A first noise level detector for measuring the level of the audio signal; a first level memory for storing the noise level detected by the first noise level detector; and a first level memory for storing the noise level. A first determination unit for reading stored data and performing a noise level determination based on a predetermined threshold value, wherein the main control unit of the master unit determines a result of the first determination unit. To the slave unit, The handset is configured such that when the base unit hooks off first, the second noise level detection unit that measures the level of the silent audio signal sent from the base unit and the second noise level detection unit detects the level. A second level storage unit for storing the noise level obtained, and a second determination for reading data stored in the second level storage unit and performing a noise level determination based on a predetermined threshold value. And a main control unit of the slave unit is configured to notify the master unit of a result determined by the second determination unit,
The slave unit and the master unit may each include a voice notification unit that outputs the notified determination result as a voice message. It may be configured to determine whether or not the result exceeds a predetermined value and, if the result exceeds the predetermined value, to include an alarm notification unit that outputs an alarm.

A communication quality notification method in a wireless telephone device according to the present invention comprises a portable unit which is a portable cordless telephone, and a base unit which is a connection device connected to a public line and capable of communicating with the portable unit wirelessly. In the method for notifying call quality in a wireless telephone device, if the slave unit first hooks off, the master unit and the slave unit are wirelessly connected to each other, and a silent state radio signal from the slave unit is transmitted to the master unit before a call starts. In the master unit, when the silent radio signal is received, it is converted into an audio signal, the noise level is measured, and then compared with a predetermined threshold to make a judgment. The result is notified to the slave unit as noise level data, and the slave unit is configured to display the notified result, and the notified determination result may be output as a voice message,
It may be configured to determine whether or not the notified determination result exceeds a predetermined value, and output an alarm when the determination result exceeds the predetermined value.

[0007] A method of notifying call quality in a wireless telephone device according to the present invention is characterized in that a portable device which is a portable cordless telephone and a master device which is a connection device which is connected to a public line and can communicate with the portable device wirelessly. In the method for notifying call quality in a wireless telephone device comprising: when the base unit hooks off first, the base unit and the slave unit are wirelessly connected to each other, and a silent state wireless signal from the base unit is set to a slave before starting a call. The wireless device determines whether or not the signal has been received, converts the silent wireless signal into a voice signal when the wireless device receives the signal, measures the noise level, and then compares the measured noise level with a predetermined threshold value. The configuration is such that the determination result is notified to the master unit as noise level data, and the notification result is displayed on the master unit side, and the notified determination result may be output as a voice message, or may be notified. Size Result determines whether exceeds a predetermined value, if it exceeds the predetermined value, may output an alarm.

According to the present invention, in the wireless telephone device including the slave unit and the master unit, a silent radio wave from the slave unit is detected by the master unit before starting a call, and the signal is converted into an audio signal. By detecting the noise level after conversion and transmitting the noise status to the slave unit, it is possible to make the talker on the slave unit recognize the noise level on the voice that is speaking it can. In addition, the slave unit detects a silent radio wave from the master unit, and transmits the noise state to the master unit in the same procedure as described above, so that the talker on the master unit side can talk to oneself. It is possible to recognize the noise level on the sound that is present.

[0009]

Next, embodiments of the present invention will be described with reference to the drawings.

Referring to FIG. 1, there is shown a wireless telephone device comprising a portable device which is a portable cordless telephone and a master device which is a connection device connected to a public line and capable of communicating with the portable device wirelessly. , (A) is a block diagram of the master unit, (b)
FIG. 3 is a block diagram of the slave unit side.

A radio transmission / reception unit 1 for receiving a radio signal transmitted from a slave unit or transmitting a radio signal from the master unit to the slave unit is provided on the master unit side of the wireless telephone device. A wireless unit 2 for converting an audio signal to be transmitted to a wireless signal or a received wireless signal to an audio signal, and a noise level detecting unit for measuring the level of a silent audio signal transmitted from the slave unit 3, a level storage unit 4 for storing the noise level detected by the noise level detection unit 3, and a determination for reading the data stored in the level storage unit 4 and performing a noise level determination based on a predetermined threshold value Unit 5, a display unit 6 for performing various displays, and a dial input unit 7 for dialing for calling and various settings.
A voice input unit 8 for the operator to input the transmission voice of the base unit side, a voice output unit 9 for transmitting the voice transmitted from the slave unit or the line side or to the operator as voice, and a public line And a line control unit 1 for receiving audio signals coming from the public line, transmitting the audio signals in reverse, and generating dial signals.
0, and a main control unit 11 that displays on the display unit 6 based on the noise level notified from the slave unit to notify the operator and controls the operation of the entire master unit. The main control unit 11 is constituted by a microprocessor.

On the other hand, a radio transmission / reception unit 21 for receiving a radio signal transmitted from the parent device or conversely transmitting a radio signal from the child device to the parent device is provided on the child device side of the wireless telephone device. A radio unit 22 for converting an audio signal to be transmitted to the device side into a radio signal or converting a received radio signal into an audio signal
A noise level detector 23 for measuring the level of the silent audio signal sent from the master unit, a level storage unit 24 for storing the noise level detected by the noise level detector 23, and a level storage unit 24. A determination unit 25 for reading data stored in the storage unit and performing a noise level determination based on a predetermined threshold value; a display unit 26 for performing various displays; a dial for making a call and a dial for performing various settings An input unit 27, a voice input unit 28 for an operator to input a transmission voice on the slave unit side, and a voice output unit 2 for allowing the operator to hear the voice sent from the base unit side as a voice
9 and the noise level notified from the master unit
And a main control unit 30 for notifying the operator and notifying the operator and controlling the operation of the whole slave unit. The main control unit 30 is constituted by a microprocessor.

It is to be noted that a voice notification unit (not shown) for outputting the notified determination result as a voice message may be provided in each of the above-mentioned slave unit and master unit, or the main control of the slave unit and master unit may be provided. Each of the units may be configured to determine whether the notified determination result exceeds a predetermined value, and to provide an alarm notification unit (not shown) that outputs an alarm when the determination result exceeds the predetermined value.

FIG. 2 is a flow chart showing the flow of the operation when the slave unit hooks off first in the call quality notifying method in the wireless telephone device of the present invention. The operation will be described below with reference to FIGS.

First, the operator hooks off the slave unit and the main control unit 30 detects this (step 1: abbreviated as S1), and establishes a wireless connection with the master unit via the wireless unit 22 and the radio wave transmitting / receiving unit 21. Perform (S2). The master unit (S11), which has completed the wireless connection with the slave unit, stands by in a state of receiving a silent audio signal from the slave unit (S12). In this state, the slave unit wirelessly connected sets its own voice input unit 28 to a state where voice input cannot be performed, and transmits a silent audio signal from the radio wave transmitting / receiving unit 21 to the master unit via the wireless unit 22 (S3).

On the parent device side, the main control section 11 determines whether or not the wireless section 2 has received a silent radio signal transmitted from the slave section through the radio wave transmitting / receiving section 1 (S13). When the wireless signal is received, the wireless unit 2 converts it into an audio signal (S14), and the audio level at that time is measured by the noise level detecting unit 3 (S15). That is, in a completely silent state, it can be determined that there is no noise, and the noise contained therein can be measured by measuring the audio level.

The signal level detected by the noise level detection unit 3 of the master unit is stored in the level storage unit 4, and the determination unit 5 compares and determines the noise level with a predetermined threshold value (S16). , To the main control unit 11. The data transmitted to the main control unit 11 is notified from the radio wave transmitting / receiving unit 1 to the slave unit via the wireless unit 2 (S17). Here, the master unit waits for dial input from the slave unit (S18).

On the other hand, in the slave unit which has been waiting for noise level data from the master unit (S4), the main control unit 30 transmits the noise level data at the time of silence transmitted from the master unit to the radio wave transmitting / receiving unit. Then, it is determined whether or not the wireless unit 22 has received the signal through S21 (S5). When the noise level data is received, the main control unit 30 is notified. Based on the notified data, the main control unit 30 displays the noise level on the display unit 26 in accordance with the data, and visually notifies the operator (S6). On the slave side, the voice input disabled state is canceled and the dial input is enabled (S7). FIG. 3 shows a display example of the noise level. For example, the noise level is divided step by step and the noise level is displayed as "No, Small,
The display is made to correspond to "medium, large" or to indicate the magnitude of the noise level amount.

In the present embodiment, the configuration for displaying the notification result has been described. However, the configuration may be such that the notified determination result is output as a voice message, or the main control unit 30 may output the notified determination result. May be determined whether or not exceeds a predetermined value, and if the predetermined value is exceeded, an alarm may be output.

As described above, a wireless telephone device including a portable device that is a portable cordless telephone and a master device that is a connection device connected to a public line and capable of communicating with the slave device wirelessly. Before the start of a call with the slave unit, a silent radio wave from the slave unit is detected, the detected signal is converted into an audio signal, the noise level is determined and transmitted to the slave unit. Is notified of the noise level on the call voice.

Thus, when the noise level is high, the user may go off-hook again, for example, by moving the call position or place. For example, when the other party receives a message by answering machine, etc., there is no indication of the condition of the call voice from the other party, so there was a risk that the other party might record the noise-carrying voice. Can be. For the noise level notification function, dedicated buttons may be provided on the slave unit and the master unit, and this measurement may be performed only when necessary.

Referring to FIG. 4, the operation of the wireless telephone device according to the present invention when the master unit hooks off first in the call quality notifying method will be described. The device configuration of the wireless telephone device is the same as that of FIG.

First, the operator hooks off the master unit and the main control unit 11 detects this (S21), and establishes a wireless connection with the slave unit via the wireless unit 2 and the radio wave transmitting / receiving unit 1 (S2).
2). The slave unit (S31) whose wireless connection with the master unit has been terminated is
Stand by in a state of receiving a silent sound signal from the master unit (S3
2). In this state, the base unit wirelessly connected sets its own voice input unit 18 to a state in which voice input cannot be performed, and transmits a silent voice signal from the radio wave transmitting / receiving unit 1 to the slave unit via the wireless unit 2 (S23).

On the slave unit side, the main control unit 30 determines whether or not the wireless unit 22 has received the silent wireless signal transmitted from the master unit through the radio wave transmitting / receiving unit 21 (S33). When the wireless signal is received, the wireless unit 22 converts it into an audio signal (S34), and the audio level at that time is measured by the noise level detecting unit 23 (S35). The signal level detected by the noise level detection unit 23 of the slave unit is
The noise level is stored in the level storage unit 24, and the determination unit 25 compares and determines the noise level with a predetermined threshold value (S36), and sends the noise level to the main control unit 30. The data transmitted to the main control unit 30 is transmitted through the radio unit 22 to the radio wave transmitting / receiving unit 21.
The parent device is further notified (S37). The slave unit now waits for a dial input from the master unit (S38).

On the other hand, on the parent device side which has been waiting for noise level data from the child device (S24), the main control section 11
It is determined whether or not the wireless unit 2 has received the noise level data during silence transmitted from the slave unit through the radio wave transmitting / receiving unit 1 (S25). When the noise level data is received, the main control unit 11 is notified. Based on the notified data, the main control unit 11 displays the noise level on the display unit 6 in accordance with the data, and visually notifies the operator (S26). On the parent device side, the voice input disabled state is released, and the communication with the child device is enabled (S27).

As described above, in the above-described wireless telephone device, the slave detects the silent radio wave from the master before starting the talk with the master, and converts the detected signal into an audio signal to determine the noise level. By transmitting the noise level to the master unit, the transmitter of the master unit is notified of the noise level on the call voice. This allows the base unit to be notified of noise on the voice during a call between the base unit and the slave unit. In this case,
The notified determination result may be output as a voice message, or the main control unit 11 determines whether or not the notified determination result exceeds a predetermined value. May be output.

[0027]

As described above, according to the present invention, before starting a call, a silent audio signal sent from a slave unit is converted into an audio signal by the master unit, and then the noise level is converted. Is measured and notified to the slave unit, and the operator of the slave unit can know the current voice state, so that it is possible to make a better quality call by moving the call place. Further, when the master unit goes off-hook first, the same effect can be obtained by measuring the noise level on the slave unit side and notifying the master unit.

[Brief description of the drawings]

FIG. 1A is a block diagram showing an embodiment of a base unit in a wireless telephone device of the present invention. FIG. 3B is a block diagram showing an embodiment of the slave unit in the wireless telephone device of the present invention.

FIG. 2 is a flowchart showing an operation flow when a slave unit first hooks off in a call quality notifying method in the wireless telephone device of the present invention.

FIG. 3 is a diagram illustrating an example of a noise level display on a slave unit or a master unit.

FIG. 4 is a flowchart showing a flow of operation when a base unit hooks off first in the call quality notification method in the wireless telephone device of the present invention.

[Explanation of symbols]

 1,21 radio wave transmission / reception unit 2,22 radio unit 3,23 noise level detection unit 4,24 level storage unit 5,25 determination unit 6,26 display unit 7,27 dial input unit 8,28 voice input unit 9,29 voice Output unit 10 Line control unit 11, 30 Main control unit

Claims (9)

[Claims] 1. A portable unit which is a portable cordless telephone,
A wireless telephone device connected to a public line and comprising a base unit, which is a connection device capable of wirelessly communicating with the slave unit, wherein the master unit transmits a silent radio wave from the slave unit before the start of a call with the slave unit. By detecting the signal, converting the detected signal into an audio signal, determining the noise level and transmitting the signal to the slave unit,
A wireless telephone device for notifying a transmitter on the side of a slave unit of a noise level on a call voice. 2. A handset which is a portable cordless telephone,
A wireless telephone device comprising a base unit, which is a connection device connected to a public line and capable of wirelessly communicating with the base unit, wherein the base unit is configured to transmit a silent radio wave from the base unit before the base unit starts talking. Is detected, the detected signal is converted into an audio signal, the noise level is determined and transmitted to the master unit,
A wireless telephone device for notifying a transmitter of a base unit of a noise level on a call voice. 3. A handset which is a portable cordless telephone,
A wireless telephone device comprising a main unit, which is a connection device connected to a public line and capable of wirelessly communicating with the slave unit, wherein the slave unit and the master unit each have a main control unit for controlling the whole; A first noise level detector for measuring the level of a silent audio signal sent from the slave when the slave is first hooked off; and a noise detected by the first noise level detector. A first level storage unit for storing a level; a first determination unit for reading data stored in the first level storage unit and performing a noise level determination based on a predetermined threshold value; The main control unit of the master unit notifies the slave unit of the result determined by the first determination unit, and the slave unit transmits the result from the master unit when the master unit hooks off first. Of the silent sound signal A second noise level detecting section for measuring the noise level, a second level storing section for storing the noise level detected by the second noise level detecting section, and a second level storing section for storing the noise level. A second determining unit for reading data and performing a noise level determination based on a predetermined threshold value, wherein the main control unit of the slave unit determines a result determined by the second determining unit as the parent unit. A wireless telephone device for notifying a device. 4. The wireless telephone device according to claim 3, wherein each of the slave unit and the master unit includes an audio notifying unit that outputs the notified determination result as an audio message. 5. The main control unit of each of the slave unit and the master unit determines whether or not the notified determination result exceeds a predetermined value, and outputs an alarm if the determination result exceeds the predetermined value. The wireless telephone device according to claim 3, further comprising an alarm notification unit. 6. A portable unit which is a portable cordless telephone,
In the communication quality notification method for a wireless telephone device including a base unit, which is a connection device that is connected to a public line and is capable of wirelessly communicating with the slave unit, when the slave unit first hooks off, the master unit and the slave unit Wirelessly connected with each other, and determines whether or not the silent state wireless signal from the slave unit has been received by the master unit before the start of the call. After the conversion and measurement of the noise level, the noise level is compared with a predetermined threshold value, and the judgment is made.The judgment result is notified to the slave unit as noise level data, and the slave unit displays the notified result. A communication quality notification method in a wireless telephone device. 7. A portable unit which is a portable cordless telephone,
In the communication quality notification method for a wireless telephone device connected to a public line and including a base unit that is a connection device capable of wirelessly communicating with the slave unit, if the base unit first hooks off, the master unit and the slave unit Before starting a call, it is determined whether or not the silent state wireless signal from the master unit has been received by the slave unit, and when the silent state wireless signal has been received by the slave unit, it is converted to an audio signal. After the conversion and measurement of the noise level, determination is made by comparing the noise level with a predetermined threshold value, the determination result is notified to the master unit as noise level data, and the master unit displays the notified result. A communication quality notification method in a wireless telephone device. 8. The communication quality notification method in a wireless telephone device according to claim 6, wherein the notified determination result is output as a voice message. 9. The method according to claim 6, wherein it is determined whether the notified determination result exceeds a predetermined value, and an alarm is output when the determination result exceeds the predetermined value. A communication quality notification method in a wireless telephone device.