CN1459717A - Method of transmitting speech sound data - Google Patents
Method of transmitting speech sound data Download PDFInfo
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- CN1459717A CN1459717A CN 02111822 CN02111822A CN1459717A CN 1459717 A CN1459717 A CN 1459717A CN 02111822 CN02111822 CN 02111822 CN 02111822 A CN02111822 A CN 02111822A CN 1459717 A CN1459717 A CN 1459717A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005236 sound signal Effects 0.000 claims description 53
- 238000004891 communication Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
A method for transmitting speech data between a computer system and a GPRS card includes receiving speech signals by computer system, converting them to digital signals, packetting, transmitting the packets to GPRS card, depacketting, and converting digital signal to speech ones.
Description
Technical field
The present invention relates to a kind of method of communicate voice data, relate in particular to the method for a kind of communicate voice data between computer system and GPRS (General Packet Radio Services) card.
Background technology
People often come to carry out communication with overseas kith and kin by overseas call, and maintaining emotion, but the rate of overseas call is very expensive; Normal for the user brings to a certain degree burden, especially for the company that is engaged in international trade, more essential often with overseas call and external trade connection, therefore, overseas call takes a huge expenditure that often becomes company.Growing along with network interconnection net, at present existing deviser is network interconnection net and phone network interconnection net phone (Internet Phone) as be combined into, network interconnection net phone refers to that promptly the user can utilize multimedia external members such as the microphone of computer system and loudspeaker to input or output speech sound signal, then utilize adlib set in the computer system that the speech sound signal of input is converted to digital signal, again digital signal is sent to the kith and kin in a distant place at last via network interconnection net.Similarly, the method that the kith and kin in a distant place can also be same sends speech sound signal to user, and the loudspeaker via the user play back again, so just can reach the function of utilizing network interconnection net to converse.Because the rate of network interconnection net is very cheap, so the user just can be freely and kith and kin's long talk in a distant place, need not worry to pay huge telephone charge.In addition, because speech sound signal is to be handled by the adlib in the computer system, so call voice is very clear.
; present network interconnection net phone only limits to do the transmission of speech sound signal in the usable range of cable network; for wireless network; there is no this function at present; this makes the user be subjected to certain restriction when using network interconnection net phone, can't reach the function that can carry out Internet phone-calling whenever and wherever possible by the facility of wireless network.
Summary of the invention
Therefore, fundamental purpose of the present invention is to provide a kind of method of reaching radio network telephone, refers to a kind of method of reaching that makes speech sound signal can be transmitted in radio network telephone between computer system and the GPRS card especially, to solve the problem that known techniques is faced.
According to above-mentioned purpose of the present invention, the invention provides a kind of method of communicate voice data, this method can make speech data be transmitted between a computer system and the GPRS card, and this computer system and this GPRS Cali are connected with link set on it, and this method comprises:
After this computer system receives a speech sound signal, this speech sound signal is converted to a digital signal, and be a plurality of voice units with this digital signal package, should be sent to this GPRS card via this link by a plurality of voice units afterwards, again should a plurality of voice units separating package is this digital signal, and this digital signal is converted to this speech sound signal; And
After a speech sound signal is received in this GPRS clamping, this speech sound signal is converted to a digital signal, and be a plurality of voice units with this digital signal package, should be sent to this computer system via this link by a plurality of voice units afterwards, again should a plurality of voice units separating package is this digital signal, and this digital signal is converted to this speech sound signal.
Description of drawings
Fig. 1 is the structure calcspar of computer system of the present invention;
Fig. 2 is the structure calcspar that is connected in the GPRS card of Fig. 1 computer system;
Fig. 3 is the flowchart of Fig. 1 computer system;
Fig. 4 is the flowchart of Fig. 2 GPRS card.
Embodiment
General Packet Radio Service (General Packet Radio Services, GPRS) is the radio mobile communication network of a high-speed broadband, it is come out by ETSI (EuropeanTelecommunications Standards Institute) development, per second can transmit the data packet (data packet) of 10 myriabit units (100KB), has the advantage of moment line online and high-speed transfer.Because GPRS has above-described high-speed radio transfer function, therefore, method of the present invention is to utilize being connected of GPRS card and computer system, speech sound signal can be sent out via wireless network, thereby reach the function of radio network telephone.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structure calcspar of the computer system 10 of the inventive method, and Fig. 2 then is the structure calcspar of the GPRS card 30 of the inventive method.Computer system 10 includes a microphone 12, a loudspeaker 14, an adlib (sound card) 16, first processor 18 and a universal serial bus (universal serial bus, USB) link 20, microphone 12 is the speech sound signals that are used for receiving user's input, loudspeaker 14 then is used for playing speech sound signal, adlib 16 is connected between first processor 18 and the microphone 12 (or loudspeaker 14), and first processor 18 then is to be connected between adlib 12 and the USB link 20.In addition, GPRS card 30 includes an antenna (antenna) 32, a wireless communication module (GlobalSystem for Mobile Communications module, GSM module) 34, one digital signal codec (CODEC) 36, second processor 38 and a USB link 40, antenna 32 is used for receiving and the transmission radio signals, 34 of wireless communication modules are used for handling radio signals, CODEC36 system is connected between the wireless communication module 34 and second processor 38, and second processor 38 then is connected between CODEC36 and the USB link 40.
When the user will carry out the wireless network conversation, must determine that at first GPRS card 30 is connected by the USB link on it 20,40 with computer system 10, then the user just can open the GPRS software in the computer system 10, so, the user just can utilize computer system 10 to call or incoming call answering.At this moment, if the user desires to call to distant place friend, the user can be after putting through phone, utilize microphone 12 on the computer system 10 to import the speech sound signal of oneself, this speech sound signal can be transferred into the adlib 16 in the computer system 10, after adlib 16 receives speech sound signal, speech sound signal can be converted to pulse code modulation (PCM) (pulse-codemodulation, PCM) digital voice signal of form, this digital voice signal then can further be sent to the first processor 18 in the computer system 10, it is a plurality of voice units with the digital voice signal package that 18 of first processors can utilize a specific AT command format, and with these a plurality of voice units via USB link 20,40 and be sent to second processor 38 in the GPRS card 30, to separate package be digital signal to a voice unit more than second processor 38 can will receive, and this digital signal is sent to CODEC 36, CODEC 36 can further be converted to speech sound signal with digital signal, this speech sound signal then can be transferred into wireless communication module 34, wireless communication module 34 is responsible for the processed voice signal, and speech sound signal is sent out wirelessly via antenna 32.So, the distant place friend speech sound signal that just can receive the user wirelessly and transmitted.
Similarly, if distant place friend sends the words of speech sound signal wirelessly, the user just can utilize the antenna 32 in the GPRS card 30 to receive this speech sound signal, this speech sound signal can be transferred into CODEC 36 after handling through wireless communication module 34, CODEC 36 can be converted to speech sound signal digital signal and it is sent to second processor 38, second processor 38 is a plurality of voice units with the digital signal package, then via USB link 40,20 are sent to first processor 18 in the computer system 10 with voice unit, first processor 18 is separated voice unit digital signal that package is the PCM form and it is sent to adlib 16, adlib 16 further is converted to speech sound signal with the digital signal of PCM form, and via computer system 10 set loudspeakers 14 speech sound signal is played back.So, the user just can hear speech sound signal that distant place friend is transmitted.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the flowchart of the computer system 10 of the inventive method, and Fig. 4 is the flowchart of the GPRS card 30 of the inventive method.The flow process of the inventive method can be divided into two parts, and first is the execution flow process of computer system 10, and second portion then is the execution flow process of GPRS card 30, and its step division is as follows:
The execution flow process of computer system 10:
Step 100: the user is connected computer system 10 and GPRS card 30 via USB link 20,40, and opens GPRS card 30 softwares in the computer system 10, enters the holding state of radio network telephone, carry out step 110;
Step 110: the user calls or receives calls, and carry out step 120;
Step 120: computer system 10 transmits signal to GPRS card 30, has begun telephonic communication with notice GPRS card 30 users, carry out step 130;
Step 130: judge whether terminating telephone communication of user, if user's terminating telephone communication carry out step 140, otherwise, then carry out step 150;
Step 140: computer system 10 transmits signal to GPRS card 30, with notice GPRS card 30 users terminating telephone communication, skips back to step 100;
Step 150: judge whether the user has the input speech sound signal via the microphone 12 of computer system 10, if, then carry out step 160, otherwise, then carry out step 190;
Step 160: the speech sound signal of user input is sent to adlib 16, speech sound signal is converted to the digital signal of PCM form, and this digital signal is sent to first processor 18, carry out step 170 by adlib 16;
Step 170: after first processor 18 received digital signal, utilizing specific AT command format was a plurality of voice units with the digital signal package, carry out step 180;
Step 180: a plurality of voice units are sent to GPRS card 30 to further process via USB link 20,40, skip back to step 130;
Step 190: judge whether the voice unit of receiving that GPRS card 30 sends, if, then carry out step 200, if not, then skip back to step 130;
Step 200: the voice unit that is sent by GPRS card 16 can be transferred into first processor 18, and first processor 18 is separated the digital signal that package is the PCM form with this voice unit, and digital signal is sent to adlib 16, carry out step 210;
Step 210: after adlib 16 receives the digital signal of PCM form, can be converted into speech sound signal, and speech sound signal is sent to loudspeaker 14 plays back, skip back to step 130.
More than be the execution flow process of computer system 10, then details are as follows as for the execution flow process of GPRS card 30:
Step 300:GPRS card 30 enters the holding state of radio network telephone, carry out step 310
Step 310: receive the signal that sends from computer system 10, begun telephonic communication, carry out step 320 to inform the user;
Step 320: open CODEC 36, carry out step 330;
Step 330: the signal of the terminating telephone communication that judges whether to receive that computer system 10 sends, if, then carry out step 340, otherwise, then carry out step 350;
Step 340:GPRS card 30 is received the signal of the terminating telephone communication that computer system 10 sends, and closes CODEC 36, and skips back to step 300;
Step 350: judge whether wireless communication module 34 receives the speech sound signal that is transmitted by antenna 32, if, carry out step 360, otherwise, then carry out step 390;
Step 360: wireless communication module 34 is sent to CODEC 36 with the speech sound signal that receives, and CODEC36 then is responsible for speech sound signal is converted to digital signal, and digital signal is sent to second processor 38, carry out step 370;
Step 370: after second processor 38 receives digital signal, be a plurality of voice units, carry out step 380 with the digital signal package;
Step 380: a plurality of voice units are sent to computer system 10 via USB link 40,20, skip back to step 330;
Step 390: judge whether second processor 38 receives the voice unit that is sent by computer system 10, if, then carry out step 400, otherwise, then skip back to step 330;
Step 400: it is digital signal that the voice unit that second processor 38 is sent computer system 10 is separated package, and this digital signal is sent to CODEC 36, carry out step 410;
Step 410:CODEC 36 is converted to speech sound signal with digital signal, and speech sound signal is sent to wireless communication module 34, and 34 of wireless communication modules send out speech sound signal via antenna 32, skip back to step 330 at last.
Compared to known technology, method of the present invention is utilized being connected of computer system 10 and GPRS card 30, and to reach a radio network telephone, therefore, but user's cheap rate of enjoy network phone not only more can be enjoyed the convenience of wireless network transmissions.In addition, GPRS provides the wireless mobile communication network of high-speed broadband, and the user can converse with distant place friend unblockedly, does not have the situation of blocking or being interrupted and takes place.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. the method for a communicate voice data, this method can make speech data be transmitted between a computer system and the GPRS card, and this computer system and this GPRS Cali are connected with link set on it, and this method comprises:
After this computer system receives a speech sound signal, this speech sound signal is converted to a digital signal, and be a plurality of voice units with this digital signal package, should be sent to this GPRS card via this link by a plurality of voice units afterwards, again should a plurality of voice units separating package is this digital signal, and this digital signal is converted to this speech sound signal; And
After a speech sound signal is received in this GPRS clamping, this speech sound signal is converted to a digital signal, and be a plurality of voice units with this digital signal package, should be sent to this computer system via this link by a plurality of voice units afterwards, again should a plurality of voice units separating package is this digital signal, and this digital signal is converted to this speech sound signal.
2. the method for claim 1 is characterized in that, this link is a universal serial bus.
3. the method for claim 1 is characterized in that, this computer system includes a microphone in addition, is used for receiving the speech sound signal of user's input.
4. the method for claim 1 is characterized in that, this computer system includes a loudspeaker in addition, is used for playing speech sound signal.
5. the method for claim 1 is characterized in that, this computer system includes an adlib in addition, and being used for number conversion interrogated in the voice of user's input is the digital signal of pcm format, or the digital signal of PCM form is converted to speech sound signal.
6. the method for claim 1 is characterized in that, this computer system includes a processor in addition, and the digital signal package that is used for the PCM form is a plurality of voice units, or voice unit is separated the digital signal that package is the PCM form.
7. the method for claim 1 is characterized in that, this GPRS card includes an antenna in addition, is used for receiving wirelessly or transmitting speech sound signal.
8. the method for claim 1 is characterized in that, this GPRS card includes a wireless communication module in addition, is used for the processed voice signal.
9. the method for claim 1 is characterized in that, this GPRS card includes a digital signal codec in addition, is used for speech sound signal is converted to digital signal, or digital signal is converted to speech sound signal.
10. the method for claim 1 is characterized in that, this GPRS card includes a processor in addition, and being used for the digital signal package is a plurality of voice units, or a plurality of voice units are separated package is digital signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111822 CN1235136C (en) | 2002-05-24 | 2002-05-24 | Method of transmitting speech sound data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111822 CN1235136C (en) | 2002-05-24 | 2002-05-24 | Method of transmitting speech sound data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1459717A true CN1459717A (en) | 2003-12-03 |
| CN1235136C CN1235136C (en) | 2006-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02111822 Expired - Lifetime CN1235136C (en) | 2002-05-24 | 2002-05-24 | Method of transmitting speech sound data |
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| CN (1) | CN1235136C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063908A (en) * | 2010-10-15 | 2011-05-18 | 上海华勤通讯技术有限公司 | Audio data transmission method between PC and mobile phone |
-
2002
- 2002-05-24 CN CN 02111822 patent/CN1235136C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063908A (en) * | 2010-10-15 | 2011-05-18 | 上海华勤通讯技术有限公司 | Audio data transmission method between PC and mobile phone |
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| Publication number | Publication date |
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| CN1235136C (en) | 2006-01-04 |
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Owner name: YINGHUADA(NAN JING) TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YINGYEDA GROUP(NANJING) ELECTRONIC TECHNOLOGY CO.,LTD Effective date: 20050311 |
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Effective date of registration: 20050311 Address after: 210006 Pai Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Applicant after: Inventec (Nanjing) Technology Co., Ltd. Address before: Nanjing City, Jiangsu province 210006 Crane Street No. 100 Applicant before: Inventec Group (Nanjing) Electronic Technology Co., Ltd. |
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Effective date of registration: 20180312 Address after: 100085 Beijing city Haidian District Qinghe Street No. 68 Huarun colorful city shopping center two floor 9 room 01 Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: 210006 Jiangning economic and Technological Development Zone, Jiangsu Province, Zhuang Pai Road, Nanjing Patentee before: Inventec (Nanjing) Technology Co., Ltd. |
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Granted publication date: 20060104 |
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