WO2005057971A1 - 業務用無線ネットワークの無線通話システムおよびその無線端末 - Google Patents
業務用無線ネットワークの無線通話システムおよびその無線端末 Download PDFInfo
- Publication number
- WO2005057971A1 WO2005057971A1 PCT/JP2004/018544 JP2004018544W WO2005057971A1 WO 2005057971 A1 WO2005057971 A1 WO 2005057971A1 JP 2004018544 W JP2004018544 W JP 2004018544W WO 2005057971 A1 WO2005057971 A1 WO 2005057971A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless terminal
- value data
- level
- adjustment value
- communication system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/40—Applications of speech amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
Definitions
- the present invention relates to a wireless communication system for a commercial wireless network and its wireless terminal.
- the present invention relates to a business wireless communication system having a voice level adjustment function and a wireless terminal thereof.
- the present invention has been made to solve such a problem in the prior art, and an object of the present invention is to provide a wireless communication system in which a sound level can be finely adjusted in response to changes in people and use environment. It is to provide the system and its wireless terminals.
- a radio communication system comprises one or more base stations and a plurality of radio terminals constituting a radio network, and each of the plurality of radios During the receiving operation, the audio level is adjusted in accordance with the speech signal level of the audio data transmitted from the transmitting wireless terminal, and the adjusted audio level adjustment value is stored. Means for returning adjustment value data to the transmitting side wireless terminal; and Means for adjusting the microphone level according to the returned adjustment value data.
- the wireless terminals communicate with each other via the base station.
- a wireless communication system includes a transmitting wireless terminal and a receiving wireless terminal constituting a wireless network, wherein the receiving wireless terminal is connected to the transmitting wireless terminal.
- the transmitting side wireless terminal further comprises means for adjusting the microphone level according to the adjustment value data returned from the receiving side wireless terminal.
- the receiving wireless terminal and the transmitting wireless terminal directly communicate with each other.
- the receiving-side wireless terminal of the present invention stores the adjustment value data and the data of the connection number of the transmitting-side wireless terminal together, and collates the connection number at the next call start, and automatically Means for functioning to transmit adjustment value data are provided.
- FIG. 1 is a block diagram showing a configuration of a wireless communication system according to the present invention.
- FIG. 2 is an explanatory diagram showing a data structure of the present invention.
- FIG. 3 is a block diagram showing a circuit configuration of audio level adjustment according to the present invention.
- FIG. 1 is a block diagram showing a configuration of a wireless communication system according to the present invention.
- a commercial wireless network consists of one or more base stations and a plurality of wireless terminals, but for simplicity, Fig. 1 shows the base station 1, the transmitting wireless terminal 2, and the receiving side. 1 shows a wireless communication system including a wireless terminal 3;
- the base station 1 receives the voice data transmitted from the transmitting wireless terminal 2 and transmits the received voice data to the receiving wireless terminal 3 designated by the transmitting wireless terminal 2 (step 1). .
- the receiving wireless terminal 3 receives the voice data transmitted from the base station 1 (step 2) and adjusts the voice level according to the level of the received voice data.
- the receiving-side wireless terminal 3 stores the adjusted value data of the adjusted voice level and transmits it to the base station 1 (step 3). In a commercial wireless network operating in normal simplex mode, this transmission occurs at the moment when reception is interrupted.
- the base station 1 receives the audio level adjustment value data transmitted from the receiving wireless terminal 3 and transmits it to the transmitting wireless terminal 2 (step 4).
- the transmitting side wireless terminal 2 receives the audio level adjustment value data transmitted from the base station 1 and adjusts the level value of the level adjustment circuit according to the adjustment value data.
- the transmitting side wireless terminal 2 transmits the voice data after the level adjustment to the base station 1 (step 5).
- the base station 1 receives the voice data after the level adjustment transmitted from the transmitting side wireless terminal 2 and transmits it to the receiving side wireless terminal 3.
- the receiving wireless terminal 3 receives the transmitted voice data after the level adjustment (step 6).
- the adjustment of the audio level described above can be performed directly between wireless terminals without going through a base station.
- the adjusted voice level adjustment value data is transmitted to the transmitting side wireless terminal 1 such as a connection number. By storing it in the evening, it is possible to check the connection number at the start of the next call and automatically send the stored adjustment value data.
- the level can be adjusted while listening to the received sound while receiving.
- FIG. 2 is an explanatory diagram showing a configuration of the data transmission when transmitting audio level adjustment value data.
- FS stores a frame synchronization signal for determining synchronization of transmission data.
- ID the authentication information of the transmitting wireless terminal 1 is stored.
- the MIC stores audio level adjustment value data.
- the voice data at the time of the call is stored in the voice data.
- the receiving-side wireless terminal 3 stores the adjustment value data of the voice level in the memory, stores the adjusted value data in the MIC area, and transmits the adjusted value data to the transmitting-side wireless terminal 1 at the moment when the reception is interrupted.
- FIG. 3 shows a circuit configuration in which the transmitting side wireless terminal 1 receives the data shown in FIG. 2 transmitted from the receiving side wireless terminal 3 and transmits an audio level adjusted audio level. It is a block diagram shown.
- the amplifier AMP 31 and the control circuit CPU 33 are connected to a level adjustment circuit 32, and the level adjustment circuit 32 is connected to an analog-to-digital conversion circuit ADC34.
- the transmitting wireless terminal 1 receives and demodulates the modulated signal of the data shown in FIG. 2 transmitted from the receiving wireless terminal 3.
- the demodulated data is input to the CPU 33.
- the CPU 33 extracts the data of the MIC portion shown in FIG. 2 from the demodulated data and outputs it to the level adjustment circuit 32.
- the level adjustment circuit 32 sets the level using a general digital-to-analog converter or the like based on the input data of the MIC portion.
- the analog audio signal output from the microphone (not shown) is input to the AMP 31, amplified to a certain amplification level, and then output to the level adjustment circuit 32.
- the level adjustment circuit 32 amplifies the input analog audio signal again to the set level and outputs the amplified audio signal to the ADC 34.
- the ADC 34 converts the input analog audio signal from analog to digital and outputs it as a digital audio signal.
- the circuit configuration shown in FIG. 3 may be any circuit or device as long as it realizes the function, and a part or all of the function may be realized by software.
- the function realizing means may be realized by a plurality of circuits, or a plurality of functions may be realized by a single circuit.
- wireless communication system which can always adjust a detailed audio
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003412437A JP4209761B2 (ja) | 2003-12-10 | 2003-12-10 | 業務用無線ネットワークの無線通話システムおよびその無線端末 |
JP2003-412437 | 2003-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005057971A1 true WO2005057971A1 (ja) | 2005-06-23 |
Family
ID=34675029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/018544 WO2005057971A1 (ja) | 2003-12-10 | 2004-12-07 | 業務用無線ネットワークの無線通話システムおよびその無線端末 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4209761B2 (ja) |
WO (1) | WO2005057971A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101803334A (zh) * | 2007-07-23 | 2010-08-11 | Savi技术公司 | 在射频识别系统中提供安全性的方法和设备 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102437156B1 (ko) | 2015-11-24 | 2022-08-26 | 삼성전자주식회사 | 전자 장치의 상태에 따른 음성 신호 처리 방법 및 그 전자 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11308166A (ja) * | 1998-04-17 | 1999-11-05 | Nec Mobile Commun Ltd | Phs端末装置 |
JPH11331433A (ja) * | 1998-05-15 | 1999-11-30 | Nissan Motor Co Ltd | 通信システム |
JP2000174897A (ja) * | 1998-12-08 | 2000-06-23 | Kenwood Corp | 電話機 |
-
2003
- 2003-12-10 JP JP2003412437A patent/JP4209761B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-07 WO PCT/JP2004/018544 patent/WO2005057971A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11308166A (ja) * | 1998-04-17 | 1999-11-05 | Nec Mobile Commun Ltd | Phs端末装置 |
JPH11331433A (ja) * | 1998-05-15 | 1999-11-30 | Nissan Motor Co Ltd | 通信システム |
JP2000174897A (ja) * | 1998-12-08 | 2000-06-23 | Kenwood Corp | 電話機 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101803334A (zh) * | 2007-07-23 | 2010-08-11 | Savi技术公司 | 在射频识别系统中提供安全性的方法和设备 |
US8547957B2 (en) | 2007-07-23 | 2013-10-01 | Savi Technology, Inc. | Method and apparatus for providing security in a radio frequency identification system |
Also Published As
Publication number | Publication date |
---|---|
JP4209761B2 (ja) | 2009-01-14 |
JP2005175835A (ja) | 2005-06-30 |
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