CN1558649A - Recording/playing system and method for telephone set - Google Patents
Recording/playing system and method for telephone set Download PDFInfo
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- CN1558649A CN1558649A CNA2004100150908A CN200410015090A CN1558649A CN 1558649 A CN1558649 A CN 1558649A CN A2004100150908 A CNA2004100150908 A CN A2004100150908A CN 200410015090 A CN200410015090 A CN 200410015090A CN 1558649 A CN1558649 A CN 1558649A
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Abstract
The invention discloses a telephone set recording and playback system, which comprises a telephone circuit port, a dialing module coupled to the port of the telephone circuit, a talking module, an audio coder and decoder, a memory device and a CPU connected with the memory device and the audio coding and decoding device. The voice recording process and voice playback process of the telephone set is also provided by the invention.
Description
[technical field]
The present invention relates to a kind of telephone set, relate in particular to a kind of reproducer system and recording playback sound method of telephone set.
[background technology]
Dtelegraphone has two kinds of standards, i.e. the dtelegraphone of telephone set and automatic-answering back device machine one; In parallel with phone and independent use answer the record telephone set.Its major function has recording to start and specific functions such as ring setting, recording playback message and dialog context, strange land remote control playback choosing tin.
At present, the domestic second generation telegraphone that mostly is the band tape that generally uses, the telegraphone of band tape has drawbacks such as mechanical wear is fast, noise is big, material cost is high, volume is big, and the unrecorded tape telegraphone is the third generation dtelegraphone that is taken the lead in developing by the U.S. beginning of the nineties.Unrecorded tape phone automatic-answering back device machine has used advanced digital speech processing technology, no motor, the wearing and tearing of nothing machinery, noiseless, recorder core in the old times of having abandoned and tape have been realized the automatic sound-recording function of phone, this body amasss small and exquisite, stable performance, can be connected on the telephone set easily.
But a kind of unrecorded tape phone automatic answering device referenced patent application number is 92205367.7 Chinese patent literature, and it has replaced magnetic recording method in original phone automatic answering device with the digital speech synthetic technology.When telephone ring signal is imported this device and judged that nobody answers the call, receive the words side VODER of leaving a message and to exist message among the DRAM to carry out D/A in advance to change, and message is sent outside line.Then, award words side's message that the message VODER is imported outside line into and carry out the sampling of voice signal, and the digital signal that converts to is deposited among the DRAM.And after the D/A conversion reduction, the message of can resetting.
But above-mentioned unrecorded tape phone automatic answering device does not use high-performance processor (32), so corresponding D/A conversion portion just increased a lot, so cost is very high.
More existing digital recording phones also need complicated recording relay and recording process chip, therefore existing digital recording phone cost height.
[summary of the invention]
In order to overcome the high shortcoming of existing digital recording phone cost, the invention provides the reproducer system of the low telephone set of a kind of cost, and a kind of recording playback sound method of this reproducer system is provided.
For realizing purpose of the present invention, the technical solution adopted in the present invention is: the reproducer system that a kind of telephone set is provided, it comprises memory, telephone circuit port, by the telephone line dial module that is connected with this telephone circuit port and the module of conversing, it is characterized in that: this reproducer system also comprises the audio codec that is connected with this telephone circuit port by telephone line and the CPU that is connected with audio codec with this memory, the voice typing process of the reproducer system of this telephone set is: be written into voice signal from telephone circuit port, be coupled in the audio codec again, in audio codec, voice are carried out digitlization, output to CPU then and carry out vectorization and handle, at last with sound store in memory; The speech play process of the reproducer system of this telephone set is: CPU will be stored in sound in the memory and be input to audio codec and carry out the digital-to-analog conversion, be coupled to telephone line after the conversion equally again and get on, and be played to telephone circuit port at last.
A kind of method of this locality recording of reproducer system of telephone set, it is characterized in that may further comprise the steps: at first audio codec is switched to local recording, power supplied locally state, and phone is arranged to hands-free state, after this audio codec carries out audio-frequency information to insert buffering area after the digitlization, and software cycles reads the data of audio codec buffering and deposit file in after overcompression then.
A kind of method of local sound reproduction of reproducer system of telephone set, it is characterized in that may further comprise the steps: at first open audio codec and switch to local sound reproduction, power supplied locally state, and phone is arranged to hands-free state, the software batch cycle reads the recording file data, with data decompression, and the data behind the decompress(ion) are write audio codec.
A kind of method of long-range recording of reproducer system of telephone set, it is characterized in that may further comprise the steps: at first open audio codec, and switch to long-range tone playing state, play long-range recorded voice earlier, after prompt tone finishes audio codec switched to long-range recording state and timer is set, circulation is read the data of audio codec and is deposited file after compression in then.
A kind of method of long-range playback of reproducer system of telephone set is characterized in that may further comprise the steps: at first open telephone plant and detect push button signalling, if the password mistake of user's input is then play password miscue sound, and accepted input again; If password correctly then enters the message playback state, after this long-distance user can select to play automatically next bar message or on-hook, if on-hook, then finish playback, close audio codec, the recovery phone is a normal state, flow process withdraws from, and finger daemon reenters listening state.
Above-mentioned data all adopt the G.723 compression and decompression mode of standard to come compression and decompression.
The present invention has following beneficial effect:
1. convenient management: provide the good interface management local, long-range recording on the phone of the present invention, not only can carry out local recording, playback, the user also can record voluntarily automatic-answering back device prompt tone, listen to long-range message, delete message, import and export message etc., the message file adopts standard compression, can conveniently convert other file format such as mp3, wav etc. to.
2. voice memos: in important conversation or momentous conference, as long as the user taps recording the ammonium button and just can open local recording on the phone, phone will be opened hands-free automatically, and conversation content is recorded, and read so that listen later.
3. perfect automatic answer function: general replying with the tone information function all must have special server or switching center.But this phone is dissolved into this function wherein, need not special in addition equipment, also economized Monthly Fee.In addition, in answering, can easily detect press key message sent by user, therefore be easy to carry out the expansion of system, realize different operation flows.This function has been arranged, and the user just could not miss each phone, is even more important for commercial people's soil!
4. telemanagement: though the user in distant also can by phone listen to easily get home in or telephone message in the office.Mobile phone often runs into poor signal or does not have the situation of electricity, and the phone of office is in the automatic-answering back device state constantly, as long as friend or Business Partner dial Work Telephone and carried out long-range recording like this.The machine master can be by public affairs words or the long-range message of listening to of other verbal system clawback Work Telephone at which.
5. digital recording implementation cheaply need not increase complicated recording relay and the recording process chip only uses an audio codec just can realize all functions.
[description of drawings]
Fig. 1 is the functional block diagram of the reproducer system of telephone set of the present invention.
Fig. 2 is the method flow diagram of recording in this locality of the reproducer system of telephone set of the present invention.
Fig. 3 is the method flow diagram of local sound reproduction of the reproducer system of telephone set of the present invention.
Fig. 4 is the method flow diagram of long-range recording of the reproducer system of telephone set of the present invention.
[embodiment]
The reproducer system of telephone set of the present invention has local and remote record, the function of playback, and the user utilizes this function can realize voice memos and automatic-answering back device.When the user hurries (as conference phase or rest period) or goes out, phone can be switched to autoanswer mode, in case phone is arranged comes in, the finger daemon of system starts the remote playing function automatically and uses the voice answer-back of prerecording, and the button according to the calling party enters long-range message or other function automatically subsequently.As user during in the other places, also can call into, after the password check, just can listen to message one by one.The recording interface of phone provides management function easily, comprises recording of prompt tone, the listening to, delete, import and export etc. of local, long-range message.
See also Fig. 1, the reproducer system of telephone set of the present invention comprises telephone circuit port, the dial module that is connected with this telephone circuit port by telephone line, conversation module and audio codec, memory and the CPU that is connected with audio codec with this memory respectively.
Wherein, telephone circuit port is the input port of pstn telephone circuit, and the AC signal of its input changes direct current signal into; Dial module can adopt MC14834 type dialing chip, and dial module can be handled busy tone detection and the detection of process sound simultaneously; The conversation module can adopt the TEA1098 chip, and it is used to handle PSTN dialing and conversation; Telephone line is used for stable electric current and voltage parameter by the later speech of telephone circuit port, and is assigned on the conversation module of phone; Audio frequency input and audio frequency output are coupled on the audio codec by a transformer; What audio codec adopted is the conversion chip of a 64Kbps, and it is used for simulated sound is carried out digitlization; What A/D, D/A adopted is the ARM7312 translation interface; What CPU adopted is the EP7312 primary processor of ARM7DTMI type; Memory is to be used for stored sound.
The voice typing process of the reproducer system of telephone set of the present invention is:
From telephone circuit port, be written into voice signal, again by transformer coupled in the 64Kbps audio codec, in audio codec, voice are carried out digitlization, this digitized process is according to the PCM or the ADPCM of standard, A/D by ARM, the D/A conversion line mode by serial outputs to CPU and carries out vectorization and handle then, at last with sound store in memory.
The speech play process:
CPU will be stored in sound in the memory and be input to the 64kbps audio codec by A/D, D/A conversion line and carry out digital-to-analog conversion, go to telephone line by transformer coupled equally after the conversion, be played to telephone circuit port at last.
Dtelegraphone of the present invention realizes that on (SuSE) Linux OS so corresponding have two equipment to represent recording, and one is telephone plant, and one is audio codec.Sound-recording function is divided into four modules: local recording, local sound reproduction, long-range recording and long-range playback.
See also Fig. 2, the method for this locality recording of the reproducer system of telephone set of the present invention may further comprise the steps:
101. open audio codec and telephone plant;
102. local call equipment is set to the power supplied locally state, allows telephone line temporarily disconnect and uses local power supply to supply the chip of phone works;
103. local call equipment is set to local recording state;
104. local call equipment is set to open hands-free state;
105. judge whether from telephone plant, to read in on-hook signal, if then execution in step 110, if not then execution in step 106;
On the interface, stop telephonograph 106. judge whether the user, if then execution in step 110, if not then execution in step 107;
107. from audio codec, read in data;
108. call and G.723 compress the storehouse and compress;
109. the data after the compression are write in the file, return step 105 then;
110. close file;
111. local call equipment is set to cut off the telephone line power supply state;
112. local call equipment is set to close hands-free state.
When the reproducer system of telephone set of the present invention will carry out this locality recording, as long as the user was by clicking the above-mentioned flow process of " recording " pushbutton enable at recording software interface on the telephone set of the present invention.When carrying out local recorded program, the audio codec of at first opening bottom switches to local recording, power supplied locally state, and phone is arranged to hands-free state.After this audio codec carries out audio-frequency information to insert buffering area after the digitlization, then the software cycles data that read audio codec buffering go forward side by side column criterion G.723 compression and deposit file in.If detect user's " stopping " action or on-hook action, audio codec is closed in then loop ends, preserves file and closes the hands-free plain old telephone state that reverts in this process.
See also Fig. 3, the method for the local sound reproduction of the reproducer system of telephone set of the present invention may further comprise the steps:
201. open audio codec and telephone plant;
202. local call equipment is set to the power supplied locally state, allows telephone line temporarily disconnect and uses local power supply to supply the chip of phone works;
203. local call equipment is set to local playback state;
204. local call equipment is set to open hands-free state;
205. judge whether from telephone plant, to read in on-hook signal, if then execution in step 210, if not then execution in step 206;
206. judge whether that the user stops phone and plays on the interface, if then execution in step 210, if not then execution in step 207;
207. read in the data in the file;
208. call and G.723 compress the storehouse and decompress;
209. write data to audio codec, return step 205 then;
210. close file;
211. local call equipment is set to cut off the telephone line power supply state;
212. local call equipment is set to close hands-free state.
When the reproducer system of telephone set of the present invention will carry out local sound reproduction, the user was as long as start above-mentioned flow process by the Play button of clicking recording software interface on the telephone set of the present invention.When carrying out the local sound reproduction program, the audio codec of at first opening bottom switches to local sound reproduction, power supplied locally state, and phone is arranged to hands-free state.The software batch cycle reads the recording file data, with the G.723 decompress(ion) of data by standard, and data is write audio codec.Click " stopping " button when reading recording file afterbody or user, perhaps detect user's on-hook, then circulation is withdrawed from, and close audio codec, and phone is set to the plain old telephone state.
See also Fig. 4, the method for the long-range recording of the reproducer system of telephone set of the present invention may further comprise the steps:
301. open audio codec and telephone plant;
302. local call equipment is set to far tone playing state;
303. local call equipment is set to the busy tone detected state;
304. open telephone set machine master's recording;
305. read in the data in the file;
306. call and G.723 compress the storehouse and decompress;
307. write data to audio codec;
308. judge whether to arrive end of file, if then execution in step 309, if not, then return step 305;
309. local call equipment is set to far recording state;
310. the timer of a 30S is set;
311. judge whether timer time of advent, if then execution in step 316, if not then execution in step 312;
312. judge whether read busy tone from telephone plant, if do not read busy tone, then execution in step 316, if read busy tone, then execution in step 313;
313. read in the data in the file;
314. call and G.723 compress the storehouse and decompress;
315. write data to audio codec;
316. close file;
317. local call equipment is set to the plain old telephone state;
Carry out aftermath 318. remove threshold values;
Wait for 319. reenter.
The finger daemon of MODEM detects the tinkle of bells and surpasses behind the ring threshold values at first off-hook playing alert tones, if the user then enters long-range recording flow process by the * key.Flow process is at first opened the audio codec of bottom and is switched to long-range tone playing state, plays earlier long-range recorded voice, for example " please hear a message of toot ", or the prompt tone oneself recorded of machine master, and playing flow and local sound reproduction are similar.After prompt tone finishes audio codec switched to long-range recording state and a timer of 30 seconds is set, circulation is read the data of audio codec and is carried out the G723 compression and deposits file in then.If 30 seconds regularly arrive, the on-hook signal that perhaps detects remote subscriber is process ends then, and phone is reverted to normal state.Finger daemon reenters listening state.
The method of the long-range playback of the reproducer system of telephone set of the present invention is similar to long-range recording, and its operation principle is: the finger daemon of MODEM detects the tinkle of bells above behind the ring threshold values, and at first the off-hook playing alert tones then enters long-range playback flow process as if the user by the # key.Flow process is at first opened telephone plant and is detected the DTMF push button signalling, if the password mistake of user's input is then play password miscue sound, and accepted input again; If password correctly then enters the message playback state, after this,, close audio codec if then finish playback by 0 key or on-hook if the long-distance user, then plays next bar message automatically by 1 key, the recovery phone is a normal state, flow process withdraws from.Finger daemon reenters listening state.
Claims (10)
1. the reproducer system of a telephone set, dial module and conversation module that it comprises memory, telephone circuit port, is connected with this telephone circuit port by telephone line, it is characterized in that: this reproducer system also comprises the audio codec that is connected with this telephone circuit port by telephone line and the CPU that is connected with audio codec with this memory
The voice typing process of the reproducer system of this telephone set is: be written into voice signal from telephone circuit port, be coupled in the audio codec again, in audio codec, voice are carried out digitlization, output to CPU then and carry out vectorization and handle, at last with sound store in memory;
The speech play process of the reproducer system of this telephone set is: CPU will be stored in sound in the memory and be input to audio codec and carry out the digital-to-analog conversion, be coupled to telephone line after the conversion equally again and get on, and be played to telephone circuit port at last.
2. the reproducer system of telephone set according to claim 1 is characterized in that: in this audio codec voice being carried out digitized process is PCM or ADPCM according to standard.
3. the method for this locality of the reproducer system of a telephone set recording, it is characterized in that may further comprise the steps: at first audio codec is switched to local recording, power supplied locally state, and phone is arranged to hands-free state, after this audio codec carries out audio-frequency information to insert buffering area after the digitlization, and software cycles reads the data of audio codec buffering and deposit file in after overcompression then.
4. the method for local recording according to claim 3, it is characterized in that: software cycles reads the data of audio codec buffering and deposits in after overcompression in the process of file, if what detect the user stops action or on-hook action, then loop ends, close audio codec, preserve file and close the hands-free plain old telephone state that reverts to.
5. the method for the local sound reproduction of the reproducer system of a telephone set, it is characterized in that may further comprise the steps: at first open audio codec and switch to local sound reproduction, power supplied locally state, and phone is arranged to hands-free state, the software batch cycle reads the recording file data, with data decompression, and the data behind the decompress(ion) are write audio codec.
6. the method for local sound reproduction according to claim 5, it is characterized in that: when the data behind the decompress(ion) are write audio codec, if read the recording file afterbody or the user clicks stop button, perhaps detect user's on-hook, then circulation is withdrawed from, close audio codec, and phone is set to the plain old telephone state.
7. the method for the long-range recording of the reproducer system of a telephone set, it is characterized in that may further comprise the steps: at first open audio codec, and switch to long-range tone playing state, play long-range recorded voice earlier, after prompt tone finishes audio codec switched to long-range recording state and timer is set, circulation is read the data of audio codec and is deposited file after compression in then.
8. the method for long-range recording according to claim 7 is characterized in that: if the timing of timer is arrived, the on-hook signal that perhaps detects remote subscriber then finishes long-range recording, and phone is reverted to normal state, and finger daemon reenters listening state.
9. the method for the long-range playback of the reproducer system of a telephone set is characterized in that may further comprise the steps: at first open telephone plant and detect push button signalling, if the password mistake of user's input is then play password miscue sound, and accepted input again; If password correctly then enters the message playback state, after this long-distance user can select to play automatically next bar message or on-hook, if on-hook, then finish playback, close audio codec, the recovery phone is a normal state, flow process withdraws from, and finger daemon reenters listening state.
10. according to each described method in the claim 3,5,7, it is characterized in that: above-mentioned data all adopt the G.723 compression and decompression mode of standard to come compression and decompression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100150908A CN1558649A (en) | 2004-01-05 | 2004-01-05 | Recording/playing system and method for telephone set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100150908A CN1558649A (en) | 2004-01-05 | 2004-01-05 | Recording/playing system and method for telephone set |
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| CN1558649A true CN1558649A (en) | 2004-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2004100150908A Pending CN1558649A (en) | 2004-01-05 | 2004-01-05 | Recording/playing system and method for telephone set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407734C (en) * | 2005-01-28 | 2008-07-30 | 深圳市友邻通讯设备有限公司 | Telephone call recording device and telephone call recording system |
| CN108206035A (en) * | 2016-12-20 | 2018-06-26 | 通号通信信息集团上海有限公司 | A kind of embedded recording and playing device and method for carrying out channel selecting |
-
2004
- 2004-01-05 CN CNA2004100150908A patent/CN1558649A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407734C (en) * | 2005-01-28 | 2008-07-30 | 深圳市友邻通讯设备有限公司 | Telephone call recording device and telephone call recording system |
| CN108206035A (en) * | 2016-12-20 | 2018-06-26 | 通号通信信息集团上海有限公司 | A kind of embedded recording and playing device and method for carrying out channel selecting |
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