WO2005096530A1 - 通信方法、送信方法及び装置ならびに受信方法及び装置 - Google Patents
通信方法、送信方法及び装置ならびに受信方法及び装置 Download PDFInfo
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- WO2005096530A1 WO2005096530A1 PCT/JP2005/006725 JP2005006725W WO2005096530A1 WO 2005096530 A1 WO2005096530 A1 WO 2005096530A1 JP 2005006725 W JP2005006725 W JP 2005006725W WO 2005096530 A1 WO2005096530 A1 WO 2005096530A1
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- Prior art keywords
- data
- audio
- voice
- predetermined
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/064—Data transmission during pauses in telephone conversation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
- H04M2203/2044—Group features, e.g. closed user group
Definitions
- the present invention relates to a communication method, a transmission method, and a device capable of efficiently communicating real data and predetermined data when the predetermined data is replaced with real data such as voice data and transmitted. It relates to a receiving method and an apparatus. Background art
- SCPC Single Channel per Carrier
- SCPC Single Channel per Carrier
- 81-one duplex 81-one duplex
- Backtracking refers to joining a call during a call, especially when one-to-many communication (group call) is performed. For example, when a terminal moves from a weak electric field area to a strong electric field area
- Group calls are At the start of a talk, data (address) such as group number is sent, and only those with an address that matches this can talk, and each terminal has the same group number etc. even if it has a carrier frequency. Otherwise, the contents of the received call will not be played.
- the group of audio is determined to be 300 Hz or less as a sub-audio band, separated from a normal audio band, and a tone signal is supplied to this band, for example.
- a tone signal is supplied to this band, for example.
- the group number is transmitted at high speed at the start of a call, and then the group number is placed in one frame separately from voice data.
- the group number is divided and transmitted in several frames, and the receiving side communicates by receiving and combining the group numbers transmitted by being divided over several frames. For this reason, the follow-up entrant can only follow-in at one or more frames.
- Bit rate is decreasing, and one frame tends to be longer. This is because if one frame is made smaller, the ratio of data (synchronization word, etc.) to be transmitted in one frame unit increases, and the transmission efficiency deteriorates.
- the present invention has been made in view of the above circumstances, and has as its first object to enable efficient transmission of voice information and control information5.
- a second object of the present invention is to make it easy to follow up.
- a third object of the present invention is to make it possible to transmit control information without lowering the transmission efficiency of voice information.
- a communication method is characterized in that, on a transmission side, audio data to be transmitted is sequentially input, and the audio represented by the input audio data is silent. Determining whether or not the voice data represents a silent voice, and replacing the voice data determined to represent silence voice with predetermined data; and replacing the replaced predetermined data with voice data representing voice. And a step of receiving the wirelessly transmitted signal on the receiving side; a step of determining voice data of the received signal and the predetermined data; For audio data, reproducing the audio data, reproducing the silence for the predetermined data, and executing a process based on the predetermined data.
- the transmitting side further includes a step of forming a transmission frame from the voice data and the replaced predetermined data, wherein the transmission frame indicates presence or absence of the predetermined data.
- a step of setting a transmission flag at the time of transmission and a step of determining whether or not predetermined data is present based on a steal flag in a received signal.
- a transmission method includes: a step of sequentially inputting audio data to be transmitted; a step of determining whether or not the audio represented by the input audio data is silent; Replacing the voice data determined to represent voice with predetermined data; transmitting together the voice data representing voiced voice and the replaced predetermined data; including. '
- a receiving method includes the steps of: receiving a wirelessly transmitted signal; and replacing predetermined voice data and predetermined data transmitted from the voice data in the received signal. Discriminating, and for the received audio data, reproducing the audio data, and for the predetermined data transmitted after the replacement, reproducing the silence. Performing a control process based on the predetermined data.
- a transmitting device comprises: input means for inputting audio data; and means for determining whether the audio data input by the input means satisfies a predetermined non-transmission condition.
- Replacement means for stealing voice data determined by the determination means not to satisfy the non-transmission condition and replacing it with predetermined data; and transmission means for transmitting the voice data and the replaced predetermined data.
- the non-transmission condition is that the audio data is silent audio data or that the level of the audio represented by the audio data is equal to or lower than a reference level, and Operates so that silent voice data or voice data below the reference level is replaced with the predetermined data.
- the replacement unit is configured to determine whether the non-transmission condition is not satisfied by the determination unit, the predetermined data, and control indicating presence or absence of the predetermined data.
- Means for constructing a transmission frame including a flag, wherein the transmission means operates to transmit a signal in the frame unit.
- a receiving device includes: a receiving unit that receives a signal including an audio signal; and detecting predetermined data replaced from an audio signal arranged in the signal received by the receiving unit. Detecting means for reproducing the audio signal received by the receiving means; and reproducing means for reproducing a predetermined sound when predetermined data is detected by the detecting means; and detecting by the detecting means. And control means for executing a process based on the given predetermined data.
- the receiving means operates to receive a frame signal, and the detecting means detects a predetermined time in an audio signal included in the frame signal. Operating so as to detect, wherein the reproducing means reproduces an audio signal received by the receiving means in the frame signal, and further reproduces a predetermined audio detected by the detecting means by the detecting means. Operating, and the control means operates to execute processing based on predetermined data detected by the detection means.
- the frame signal is set with a predetermined control flag indicating whether or not the predetermined data is present, and Previous based on flag It operates to detect the predetermined data.
- the present invention employs the above configuration, it is possible to efficiently and repeatedly transmit predetermined data (voice and control information data) without significantly reducing communication quality.
- FIG. 1 is a diagram showing a configuration of a communication system according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a configuration of a transmitting unit of the mobile phone terminal 11 shown in FIG.
- FIG. 3 is a block diagram showing a configuration of a receiving unit of the mobile phone terminal 11 shown in FIG.
- FIG. 4 is a diagram illustrating a transmission format.
- FIG. 5 is a flowchart illustrating a soft process on the transmission side when a processor is used for the processing circuit.
- FIG. 6 is a flowchart illustrating software processing on the receiving side when a processor is used for the processing circuit.
- FIG. 7 is a flowchart for explaining another method for determining whether the data is a voice data or a group number.
- Each mobile phone terminal 11 can assign a common group number to a plurality of mobile phone terminals 11 separately from a normal telephone number.
- Each mobile phone terminal 11 performs wireless communication with the base station 12 and designates the telephone number of the mobile phone terminal 11 to be called to make a call, so that the network 1 including the switching system 1 Incoming call is made to the called mobile phone terminal 1 1 via 3.
- Each mobile phone terminal 11 includes a transmitting unit 21 shown in FIG. 2 and a receiving unit 31 shown in FIG.
- the transmission unit 21 includes a microphone 201, an A / D conversion unit 202, an audio encoder 203, a sound detection unit 204, a frame assembly unit 205, It comprises a protocol processing unit 206, a baseband processing unit 207, an RF (Radio Frequency) unit 208, an antenna 209, and a control unit 400.
- a protocol processing unit 206 a baseband processing unit 207, an RF (Radio Frequency) unit 208, an antenna 209, and a control unit 400.
- RF Radio Frequency
- the microphone 201 is composed of a microphone device having an arbitrary configuration, and converts an audio signal into an analog electric signal and outputs the analog electric signal.
- the A / D converter 202 samples the analog audio signal from the microphone 201 at a fixed frequency (for example, 200 kHz), converts it to A / D (analog-to-digital), and converts it to digital data. Outputs audio signal.
- the audio encoder 203 is composed of a vocoder encoder, performs encoding and compression processing on the digital audio signal from the A / D converter 202, and further adds an error correction code to the digital audio signal. Outputs a bit audio frame signal.
- the voiced detection unit 204 determines whether the voice represented by the voice data input to the voice encoder 203 (for example, voiced sound and the volume is equal to or higher than the reference level) is voiced or unvoiced (for example, voiceless and Z Or the volume is below the reference level), and outputs a signal indicating the result of the determination.
- the frame assembling section 205 forms a transmission frame in the format shown in FIG. 4 (a).
- the transmission frame is composed of a 20-bit synchronization code, a 43-bit control data, a 1-bit steal flag, and 320 bits of 'real data'.
- the frame assembling unit 205 sets control data for voice transmission as control data in a normal voice transmission state, as shown in FIG. Assemble communication frames by setting four 80-bit audio frames (audio 1 to 4) for each unit. Also, set the steel flag SF to "0". Each audio frame is supplied from the audio encoder 203.
- the frame assembling section 205 sets the control data for executing the group call as the control data as shown in FIG. 4 (c). Set the information necessary for making group calls, such as numbers, and assemble the communication frame.
- the frame assembling unit 205 further steals (substitutes) the voice frame determined by the sound detection unit 204 as silence with the group number of the actual group call at the time of a group call. Is composed. If any one of the four voice frames has been replaced with a group number, the steal flag is set to "1". Five
- Fig. 4 (d) shows an example of the format when the third audio frame is silence.
- the steal flag is set to "1", and the third audio frame is replaced with the group number. ing.
- the protocol processing unit 206 processes the communication protocol and supplies control data to the frame assembling unit 205.
- the baseband processing unit 2007 generates a baseband signal based on the transmission frame supplied from the frame assembling unit 205.
- the unit 208 modulates, for example, a carrier with a baseband signal, and further frequency-converts and amplifies this, and transmits it via the antenna 209 or the like.
- the control unit 400 is composed of a central processing unit (CPU) and its peripheral circuits, and is connected to a key operation unit and a display unit (not shown). The operation of each unit described above and the transmission system according to the operation program Take control of the whole.
- the receiving section 31 includes an antenna 301, an R? Section 302, a baseband processing section 303, a frame decomposition section 304, and a protocol processing section 310.
- Audio decoder 306, steal decision unit 307, mute processing unit 308, group number validity decision unit 309, D / A conversion unit 310, speaker 311, control unit 400 Prepare.
- the RF section 302 tunes and decodes a radio signal of a predetermined frequency received via the antenna 310, and decodes and outputs a baseband signal.
- the baseband processing unit 303 decodes the transmission frame from the baseband signal output from the RF unit 302 and outputs the decoded transmission frame to the frame decomposition unit 304.
- the frame decomposing unit 304 decomposes the frame signal and converts the control data It is supplied to the protocol processing section 305, the steal flag SF is supplied to the steal decision section 307, and four audio frames (audio 1 to audio 4) are sequentially output to the audio decoder 306.
- the frame disassembly unit 304 notifies the protocol processing unit 304 of actual data depending on the contents of the control data.
- the audio decoder 306 performs FEC (Forward Error Correction) processing, error correction processing, and the like on each audio frame supplied from the frame decomposition section 304 to reproduce audio data.
- FEC Forward Error Correction
- the steal determination unit 307 determines whether the still flag in the decoded frame data is on or off, and outputs an on signal to the audio decoder and the group number validity determination unit 309 when it is on. I do.
- the group number validity judging section 309 extracts data stolen as an audio signal from the four audio frames included in the transmission frame from which the stealing judging section 307 outputs the ON signal, and extracts the extracted data. Then, the data is decoded by performing FET, error processing, etc., and it is determined whether or not the decoded data is valid as a group number. If so, the group number determined to be valid is subjected to protocol processing. The mute signal is transmitted to the mute processing section 308.
- the mute processing section 308 While the muting signal is not supplied from the group number validity judging section 310, the mute processing section 308 outputs the audio data from the audio decoder 306 as it is, and outputs the mute signal. During this time, the audio data is muted and output.
- the protocol processing unit 305 receives the control data from the frame disassembly unit and the group number from the group number validity determination unit 309, and performs a receiving operation based on the received control data and the group number. Control. For example, if the control data indicates the start of a group call and the group number matches one of the group numbers assigned to itself, the protocol processing unit 300 enters the group call reception mode. The control unit 400 is instructed. If the group number supplied from the group number validity judging section 309 matches one of the group numbers assigned to itself, the protocol processing section 305 will follow up the group call. Then, the control unit 400 is instructed to enter the group call reception mode.
- the control unit 400 is constituted by a processor or the like, and in response to an input instruction from the input unit, for example, supplies a control signal to each unit to operate the unit.
- the control information is supplied to perform the receiving operation and the transmitting operation.
- the transmission and reception operations at the start of a group call are basically the same as in the past.
- the person making the group call specifies from the input unit or the like an instruction to execute the group call and a group number assigned to the group of mobile phone terminals to be transmitted.
- the control unit 400 outputs to the protocol processing unit 206 a command for instructing a group call, a group number (group address), and calling.
- the protocol processing unit 206 supplies the frame data assembling unit 205 with control data for instructing transmission of the group number and the number of the group to be called.
- the frame assembling unit 205 controls the synchronization code, the control data for instructing the transmission of the group number, the steal flag “0”, the group number, as shown in FIG. 4 (c).
- the transmission frame data is assembled by combining and, and is supplied to the baseband processing unit 207.
- the base span processing unit 2007 generates and outputs a baseband signal from the transmission frame supplied from the frame assembling unit 205.
- the RF unit 208 modulates the carrier with the baseband signal, performs frequency conversion and amplification, and transmits the signal via the antenna 209.
- the receiving unit 31 of the mobile phone terminal 11 in the standby state receives the carrier signal via the antenna 301, and transmits the transmission frame by the RF processing unit 302 and the baseband processing unit 303. Is decrypted.
- the frame disassembly unit 304 supplies the control data obtained by disassembly to the protocol processing unit 304 as it is, and since the control data indicates the start of the group call, the actual data is It is supplied to the protocol processing section 305.
- the protocol processing unit 3005 determines whether or not the group number included in the supplied actual data matches one of the group numbers assigned to itself, and if the group number matches, the group call of the group call is determined. A signal instructing reception is supplied to the control unit 400. Thereafter, the control unit 400 enters the group call reception state by the control processing. P2005 / 006725
- the AZD converter 202 samples the analog audio signal supplied from the microphone phone 201 at a period of 20 ms, and outputs a digital audio signal (1 Audio frame) and output.
- the audio encoder 203 encodes the digital audio signal sequentially transmitted at a cycle of 20 ms and performs processing such as adding an error correction code to the audio data, and performs audio data for one 80-bit audio frame. Are output sequentially.
- the sound detection unit 204 detects whether the sound indicated by each sound data supplied from the AZD conversion unit 202 is sound or silence in parallel with the encoding of each sound frame by the sound encoder 203. It discriminates whether or not there is, and outputs a discrimination signal indicating the discrimination result.
- the frame assembling unit 205 includes the audio data from the audio encoder 203, the data from the protocol processing unit 206, and the distinction between speech and silence from the speech detection unit 204. Based on the signal indicating, a transmission frame indicating the basic configuration is assembled in FIG. 4 (a).
- the frame assembling unit 205 incorporates, into the transmission frame, the audio data supplied with the signal indicating that there is sound from the sound detection unit 204.
- the frame assembling unit 205 steals the audio data to which the signal indicating that no sound is supplied from the sound detection unit 204 and steals the audio data to form the protocol processing unit 205.
- Incorporate in the transmission frame the data indicating the group number to which FEC has been applied from If any of the four audio data is replaced with a group number, the steal flag is turned on. "1"
- the control data for the group call supplied from the protocol processing unit 206 is set.
- the FSW synchronization code
- the control data from the protocol processing unit 206 as shown in FIG.
- the steel flag "0" and the audio data provided in order from the audio encoder 203 to synthesize one frame.
- FIG. 4 (c) is an example where the third voice frame is silent
- FSW synchronization code
- control data from the protocol processing unit 206 the steel flag "1"
- audio data supplied from the audio encoder 203 are determined to be sound.
- the speech frame and the group number supplied from the protocol processing unit 206 replaced with the speech frame determined to be silence are combined with each other to assemble one frame.
- the frame assembling unit 205 supplies the assembled transmission frame to the baseband processing unit 205.
- the base span processing unit 207 generates a baseband signal from the transmission frame.
- the RF unit 208 modulates the carrier with the baseband signal supplied from the baseband processing unit 207, further performs frequency conversion and amplification, and performs radio transmission.
- the signal received via the antenna 301 is converted into a transmission frame by the RF section 302 and the baseband processing section 303.
- the data is decoded and supplied to the frame decomposition unit 30.
- the frame decomposing unit 304 decomposes the data of one transmission frame according to the format shown in Fig. 4 (a), supplies the control data to the protocol processing unit 305, and judges the steel flag SF as steal.
- the audio data is supplied to the audio decoder and the group number validity judging unit 309 sequentially.
- the stealing determination unit 307 determines whether the supplied steal flag SF is on (at least one of the four voice frames in the transmission frame is stolen) or off (four voice frames in the transmission frame). Are not stolen by the voice data), and a signal indicating the result of the determination is output to the group number validity determination unit 309.
- the audio decoder 306 decodes the supplied audio data in units of one audio frame. At this time, FEC and error detection processing are also performed, and it is determined whether the data is valid as audio data.
- the audio decoder 306 outputs the decoded audio data determined to be valid as the audio data to the mute processing unit 308.
- the audio decoder 306 supplies the audio data determined to be invalid as audio—evening to the group number validity determination unit 309.
- the group number validity determination section 309 determines that the audio data is not valid as audio data from the audio decoder 306 when receiving a signal indicating that the steal flag SF is on from the stealing determination section 307. When the data is received, it performs FEC processing, error processing, etc. on the received data to determine whether it is valid as a group number.
- the group number validity determination section 310 determines that the group number is valid, the group number is determined to be valid by the protocol processing section 310. 5 and outputs a mute signal to the mute processing section 308.
- the mute processing unit 308 outputs the decoded audio data that has been identified as valid as audio data by the audio decoder 306 as it is, and outputs a mute signal for data that has been identified as valid as group data. Mute according to the following (output a sound signal that causes silence).
- the conversion unit 310 converts the data supplied via the mute processing unit 308 into an analog signal and outputs the analog signal.
- the control data provided from the frame disassembly unit 304 indicates voice transmission, and the group number supplied from the group number validity determination unit 309 belongs to its own. If it matches the group number of one of the groups, the control unit 400 is instructed to enable reception of the group call. However, for the mobile phone terminal 11 that has been participating since the start of the group call, no particular processing is performed. On the other hand, the mobile phone terminal 11 that was in a weak electric field state at the start of the group call can also participate in the group call at this stage.
- control unit 400 joins the group call from the beginning or after the start, for example, by turning on an amplifier (not shown), the sound from the speaker 311 is enabled. As a result, in one call, no voice is output from the speaker 311 unless the group numbers match.
- the transmitting side can steal a silent voice frame and transmit the group number, and the receiving side can make a follow-up entry based on the control data.
- Speech usually contains many silences, and is often determined to be silence in the 20 ms interval, especially for the example above. Therefore, the group number can be transmitted relatively frequently, and it is possible to quickly follow up.
- the silent sound is stealable and the receiving side “plays the silence”, the quality of the transmitted sound is hardly degraded.
- system configuration is shown as a discrete block configuration in FIGS. 2 and 3, all or part of the system configuration may be configured using a processor such as a CPU or a DSP (Digital Signal Processor). It is.
- a processor such as a CPU or a DSP (Digital Signal Processor). It is.
- the processor of the transmitting-side mobile phone terminal 11 outputs the audio represented by the audio data of the four audio frames sequentially supplied from the AZD converter 202. It is determined whether or not all are sounds (step S101). If all voices are present, the steal flag SF is set to "0" as shown in FIG. 4 (b), and a transmission frame is formed using four voice frames (step S102). On the other hand, if there is at least one voice frame with no voice (silence), the steal flag SF is set to “1”, and the group number is used instead of the voice frame without voice. Transmission as shown 06725
- the processor of the receiving-side mobile phone terminal 11 determines, for example, as shown in the flowchart of FIG. 6, the steal flag SF in the decoded transmission frame (step S201). If the steal flag SF is "0", the four voice frames in the transmission frame are sequentially output to the D / A converter 310 (step S202).
- step S203 If the steal flag SF is "1", it is determined whether or not each voice frame in the transmission frame is valid as voice data (step S203). The data is output to the DZA converter 310 (step S204). Thereafter, it is determined whether or not the processing has been completed for all four voice frames in the transmission frame (step S205), and if completed, the processing for the current transmission frame is terminated. If there are any audio frames for which processing has not been completed, the process returns to step S203 to execute processing for the next audio frame.
- step S206 when it is determined that the data of the voice frame is invalid as the voice data, it is determined whether or not the data is valid as the group number (step S206). If it is determined that the group number is valid, a protocol process based on the group number is executed (step S207), and silent voice data is output to the D / A converter 310. (Step S208). If it is determined in step S206 that the group number is also invalid, error processing or other processing is executed (step S209).
- control is performed by using the ON / OFF of the steel flag SF, but without using this, the control is performed as shown in FIG.
- the validity determination of voice data and the validity determination of group number data may be performed in parallel, and the more effective data may be used.
- the content of the processing in each step is the same as the content of the processing in the corresponding step in FIG.
- the group number is treated as the data to be transmitted after stealing the voice.
- the present invention is not limited to the group number and can be used for transmitting any other data desired to be transmitted during a call.
- the mobile phone terminal 11 is exemplified as the communication terminal, but a personal computer, a PDA terminal, a game machine, or the like may be used.
- a communication system that transmits voice signals in real time and that can efficiently transmit predetermined data other than voice without deteriorating the overall communication quality can be realized.
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- Time-Division Multiplex Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN200580010753XA CN1969490B (zh) | 2004-03-31 | 2005-03-30 | 群呼通信中的通信方法和接收设备 |
US10/594,456 US8213341B2 (en) | 2004-03-31 | 2005-03-30 | Communication method, transmitting method and apparatus, and receiving method and apparatus |
DE05728908T DE05728908T1 (de) | 2004-03-31 | 2005-03-30 | Kommunikationsverfahren, sendeverfahren und -vorrichtung und empfangsverfahren und -vorrichtung |
EP05728908A EP1732256A4 (en) | 2004-03-31 | 2005-03-30 | COMMUNICATION METHOD, TRANSMISSION METHOD AND APPARATUS, AND RECEIVING METHOD AND APPARATUS |
Applications Claiming Priority (2)
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JP2004107311A JP4773688B2 (ja) | 2004-03-31 | 2004-03-31 | 通信方法、送信方法、及び、送信装置 |
JP2004-107311 | 2004-03-31 |
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WO2005096530A1 true WO2005096530A1 (ja) | 2005-10-13 |
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PCT/JP2005/006725 WO2005096530A1 (ja) | 2004-03-31 | 2005-03-30 | 通信方法、送信方法及び装置ならびに受信方法及び装置 |
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US (1) | US8213341B2 (ja) |
EP (1) | EP1732256A4 (ja) |
JP (1) | JP4773688B2 (ja) |
CN (1) | CN1969490B (ja) |
DE (1) | DE05728908T1 (ja) |
RU (1) | RU2370896C2 (ja) |
WO (1) | WO2005096530A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12087269B2 (en) | 2019-07-24 | 2024-09-10 | Nec Corporation | Speech processing device, speech processing method, and recording medium |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4977427B2 (ja) * | 2006-09-28 | 2012-07-18 | Necカシオモバイルコミュニケーションズ株式会社 | 端末装置、中継装置、および、プログラム |
KR20090054186A (ko) * | 2007-11-26 | 2009-05-29 | 삼성전자주식회사 | 하향 더미 제어블록을 이용한 데이터 전송방법 및 그방법에 따른 시스템 |
FR2937491B1 (fr) * | 2008-10-17 | 2010-11-19 | Wavecom | Procedes de transmission et de gestion de trames de voix, produit programme d'ordinateur, moyen de stockage et dispositifs correspondants. |
CN102523574B (zh) * | 2011-12-13 | 2015-03-18 | 华为终端有限公司 | Lte单卡双待多模终端及其cs业务和ps业务并发的处理方法 |
US9232376B2 (en) * | 2013-08-09 | 2016-01-05 | Motorola Solutions, Inc. | Concurrent voice and data service on a same digital radio channel |
JP6680988B2 (ja) * | 2014-11-28 | 2020-04-15 | アイコム株式会社 | 中継装置、音声通信システム、音声通信方法およびプログラム |
JP6497112B2 (ja) * | 2015-02-19 | 2019-04-10 | アイコム株式会社 | 無線受信機およびそのミュート制御方法 |
JP6605440B2 (ja) * | 2016-12-20 | 2019-11-13 | 三菱電機株式会社 | 本部装置、基地局装置、端末無線装置、および、無線通信システム |
CN108696894B (zh) * | 2017-04-07 | 2022-11-18 | 中兴通讯股份有限公司 | 一种语音通话方法和装置 |
JP6795665B2 (ja) * | 2019-10-16 | 2020-12-02 | 三菱電機株式会社 | 無線通信システム、端末無線装置、および、本部装置 |
JP7041231B2 (ja) * | 2020-11-12 | 2022-03-23 | 三菱電機株式会社 | 無線通信システム、端末無線装置、および、本部装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS645133A (en) * | 1987-06-29 | 1989-01-10 | Hitachi Ltd | Audio data multiplex transmitter |
JPH04103231A (ja) * | 1990-08-22 | 1992-04-06 | Sharp Corp | 信号切替装置 |
JPH09214460A (ja) * | 1996-02-08 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 音声・非音声同時伝送装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3433543B2 (ja) | 1994-12-27 | 2003-08-04 | カシオ計算機株式会社 | 通信システム、通信機及び通信方法 |
JPH104578A (ja) | 1996-06-14 | 1998-01-06 | Matsushita Electric Ind Co Ltd | 無線呼出受信機 |
US6167375A (en) * | 1997-03-17 | 2000-12-26 | Kabushiki Kaisha Toshiba | Method for encoding and decoding a speech signal including background noise |
US6018668A (en) * | 1997-11-04 | 2000-01-25 | Ericsson Inc. | Method for auto answering a call based on caller ID |
US6097772A (en) * | 1997-11-24 | 2000-08-01 | Ericsson Inc. | System and method for detecting speech transmissions in the presence of control signaling |
JP2001168793A (ja) * | 1999-12-08 | 2001-06-22 | Nec Mobile Commun Ltd | 移動通信システムとそのグループ通信または同報通信の通知方法 |
JP2002259560A (ja) | 2001-02-20 | 2002-09-13 | Wei-Kang Lin | 無線医療監視方法及び無線医療監視システム |
JP4351828B2 (ja) * | 2002-03-29 | 2009-10-28 | アイコム株式会社 | 音声通信システム、音声通信方法、送信システム及び受信システム |
US7512715B2 (en) * | 2003-09-26 | 2009-03-31 | Nokia Corporation | System and method for requesting a resource over at least one network with reduced overhead |
EP1596613A1 (en) * | 2004-05-10 | 2005-11-16 | Dialog Semiconductor GmbH | Data and voice transmission within the same mobile phone call |
-
2004
- 2004-03-31 JP JP2004107311A patent/JP4773688B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-30 RU RU2006138212/09A patent/RU2370896C2/ru active
- 2005-03-30 EP EP05728908A patent/EP1732256A4/en not_active Withdrawn
- 2005-03-30 DE DE05728908T patent/DE05728908T1/de active Pending
- 2005-03-30 WO PCT/JP2005/006725 patent/WO2005096530A1/ja active Application Filing
- 2005-03-30 CN CN200580010753XA patent/CN1969490B/zh not_active Expired - Fee Related
- 2005-03-30 US US10/594,456 patent/US8213341B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS645133A (en) * | 1987-06-29 | 1989-01-10 | Hitachi Ltd | Audio data multiplex transmitter |
JPH04103231A (ja) * | 1990-08-22 | 1992-04-06 | Sharp Corp | 信号切替装置 |
JPH09214460A (ja) * | 1996-02-08 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 音声・非音声同時伝送装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1732256A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12087269B2 (en) | 2019-07-24 | 2024-09-10 | Nec Corporation | Speech processing device, speech processing method, and recording medium |
Also Published As
Publication number | Publication date |
---|---|
EP1732256A1 (en) | 2006-12-13 |
DE05728908T1 (de) | 2007-05-10 |
JP2005295196A (ja) | 2005-10-20 |
CN1969490B (zh) | 2013-01-02 |
RU2006138212A (ru) | 2008-05-10 |
US20070206624A1 (en) | 2007-09-06 |
JP4773688B2 (ja) | 2011-09-14 |
EP1732256A4 (en) | 2007-05-02 |
US8213341B2 (en) | 2012-07-03 |
RU2370896C2 (ru) | 2009-10-20 |
CN1969490A (zh) | 2007-05-23 |
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