CN1341931A - Selective recording method and its equipment - Google Patents
Selective recording method and its equipment Download PDFInfo
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- CN1341931A CN1341931A CN 01108768 CN01108768A CN1341931A CN 1341931 A CN1341931 A CN 1341931A CN 01108768 CN01108768 CN 01108768 CN 01108768 A CN01108768 A CN 01108768A CN 1341931 A CN1341931 A CN 1341931A
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Abstract
The invention discloses a method and device used to make selective recording. The output signal from analog to digital converter is transferred to temporary buffer storage, after compressed by digital signal processor. The microprocessor processes the temporal sound data based on the time and the instruction of operator. The sound data with saving time exceeding L1 are delted. When a recording instruction is issued, the microprocessor saves the sound data from L1 before to L2 after present time t formal recording media. The invented method does not miss useful contents, also does not record useless contents.
Description
Technical field:
The present invention is relevant, especially relevant with the method and apparatus of selective recording with device with the method for recording of sound.
Technical background:
Use the existing way of recording and device, useful or the important content that really need record in the sound recordings only accounts for a very little part, but the operator of recording device can not define usefulness in advance or when important content can occur, in order not miss useful or important content, whole process all can only be noted, in sound recordings, comprised like this and in fact do not needed the useless or unessential content recorded in a large number, may bring following point thus:
1, recording medium (as tape or storer) capacity is not enough, needs to change midway
2, power supply is not enough, must change midway
3. require a great deal of time useful or important content is put in order from whole sound recordings.
The content of invention:
The purpose of this invention is to provide and a kind ofly hear, and judge that ability when institute listens content to belong to useful or important content records the selective recording method and apparatus that gets off with it the producer.
The present invention is achieved in that
The present invention comprises the steps: for a kind of method of recording selected
A. analog/digital converter (ADC) is converted to digital audio and video signals with the simulated audio signal of input;
B. digital audio and video signals carries out data compression through digital signal processor (DSP), and the voice data after the compression is delivered to the adhoc buffer storer and temporarily preserved, and the voice data of being preserved has comprised temporal information simultaneously;
C. microprocessor (MCU) is handled the temporary transient voice data of preserving according to time and recording operation person's record command, and handling according to the time is to preestablish the temporary transient time span L that preserves of voice data
1, microprocessor (MCU) is compared the time of the voice data preserved in the adhoc buffer storer with current time, and the holding time surpasses L
1Voice data deleted, for new voice data is reserved storage space;
D. when recording operation person hear and judge when listening content to record, send record command by command device, microprocessor (MCU) is when receiving record command, with this constantly before time L
1So far constantly after time L
2Voice data be saved in the offical record media, with long preservation.
Time span L
1, L
2Can set arbitrarily, if the time interval between twice record command that recording operation person sends is less than L
1+ L
2, time L before the record command for the first time then
1The voice data of time L2 after record command for the second time is saved to the offical record media, and as a recording file.
Receive record command time L before
1Voice data when receiving record command is obtained from the adhoc buffer storer, receives record command time L after receiving record command
2Voice data can obtain from the adhoc buffer storage, also can be directly obtain from the output of digital signal processor (DSP).
The adhoc buffer storer can be independent storer, it also can be certain or some subregion in the storer, can be dynamic or static random read-write reservoir or read/write nonvolatile memory, the offical record media can be semiconductor memory, can write CD, magneto-optic disk, disk, tape non-volatile recording media, the also same storer of adhoc buffer storer and offical record media.
The voice data that dumps to the offical record media from the adhoc buffer storer at first is converted to the receptible form of offical record media.
Sound is input to the input of analog/digital converter (ADC), and output (ADC) connects digital signal processor (DSP), (DSP) is connected with microprocessor (MCU), and (MCU) and instruction device (H), adhoc buffer storer and offical record media are connected.(DSP) output is connected with Yang Sheng device or analog output through digital/analog converter (DAC).
The adhoc buffer storer is the read/writable memory device of independent storer or microprocessor (MCU) self, and the offical record media is the analog or digital recording unit, the also same storer of adhoc buffer storer and offical record media.
The offical record media is an analog recording equipment, and its driving/recording control end is connected with the control end of microprocessor (MCU), and its simulated audio signal input end is connected with the analog output of digital/analog converter (D/A).
The offical record media is a digital recording equipment, the control output end of its recording control termination microprocessor, and its digital input interface connects the data output interface of microprocessor by interface circuit.
The offical record media is a digital recording equipment, the control output end of its recording control termination microprocessor, and its input end of analog signal is connected with the analog output of digital/analog converter (D/A).
Be stored in the voice data in the adhoc buffer storer, if the time that is saved surpasses L
1, then deleted, if be saved time L afterwards
1Within receive record command, then be transferred to offical record media long preservation (at first being converted to the receptible form of offical record media if necessary).
In a single day there is record command to send at any time, time L before this moment
1To this constantly after time L
2Sound will be recorded to the offical record medium.
Like this, whether the operator can judge and determine and record after hear related content again, can not miss useful and important content so on the one hand, needn't record useless and unessential content on the other hand again.
Description of drawings:
Fig. 1 is a schematic diagram of the present invention
Fig. 2 is the schematic diagram of the present invention and Analog Tape Recorder cooperating.
Fig. 3 is the schematic diagram of the present invention and digital recording equipment cooperating.
The specific embodiment:
Embodiment 1:
As shown in Figure 1, this example with random access memory RAM as the adhoc buffer memory, With FLASH MEMORY as the offical record media.
Embodiment 2:
As shown in Figure 2, this example with Analog Tape Recorder as the offical record media, when the record instruction is sent, MCU sends control signal to the tape transport/recording control circuit of Analog Tape Recorder, starting Analog Tape Recorder records, voice data reverts to simulated audio signal through DSP decompression, D/A conversion, send the circuit of Analog Tape Recorder to import time L before record command is sent by analog output1Time L extremely2Sound After being recorded to Analog Tape Recorder, MCU sends halt instruction, Analog Tape Recorder Stop recording.
Embodiment 3:
When record command was sent, MCU sent control signal to digital record as shown in Figure 3 Equipment starts digital recording equipment and carries out record, will pass through by analog output simultaneously The simulated audio signal that DSP decompresses and D/A changes is delivered to the simulation of digital recording equipment Input interface, the numeral of perhaps voice data being delivered to digital recording equipment by interface circuit is failed Incoming interface (at first being converted to if necessary the receptible form of digital recording equipment).
Claims (10)
1, a kind of method of selective recording comprises the steps:
A. analog/digital converter (ADC) is converted to digital audio and video signals with the simulated audio signal of input;
B. digital audio and video signals carries out data compression through digital signal processor (DSP), and the voice data after the compression is delivered to the adhoc buffer storer and temporarily preserved, and the voice data of being preserved has comprised temporal information simultaneously;
C. microprocessor (MCU) is handled the temporary transient voice data of preserving according to time and recording operation person's record command, and handling according to the time is to preestablish the temporary transient time span L that preserves of voice data
1, microprocessor (MCU) is compared the time of the voice data preserved in the adhoc buffer storer with current time, and the holding time surpasses L
1Voice data deleted, for new voice data is reserved storage space;
D. when recording operation person hear and judge when listening content to record, send record command by command device, microprocessor (MCU) is when receiving record command, with this constantly before time L
1So far constantly after time L
2Voice data be saved in the offical record media, with long preservation.
2, method according to claim 1 is characterized in that time span L
1, L
2Can set arbitrarily, if the time interval between twice record command that recording operation person sends is less than L
1+ L
2, time L before the record command for the first time then
1To the time L afterwards of record command for the second time
2Voice data be saved to the offical record media, and as a recording file.
3, method according to claim 1 is characterized in that receiving record command time L before
1Voice data when receiving record command is obtained from the adhoc buffer storer, receives record command time L after receiving record command
2Voice data can obtain from the adhoc buffer storage, also can be directly obtain from the output of digital signal processor (DSP).
4, method according to claim 1, it is characterized in that the adhoc buffer storer can be independent storer, it also can be certain or some subregion in the storer, can be dynamic or static random read-write reservoir or read/write nonvolatile memory, the offical record media can be semiconductor memory, can write CD, magneto-optic disk, disk, tape non-volatile recording media, the also same storer of adhoc buffer storer and offical record media.
5,, it is characterized in that the voice data that dumps to the offical record media from the adhoc buffer storer at first is converted to the receptible form of offical record media according to claim 1 or 4 described methods.
6, a kind of selective recording device, it is characterized in that sound is input to the input of analog/digital converter (ADC), (ADC) output connects digital signal processor (DSP), (DSP) be connected with microprocessor (MCU), (MCU) and instruction device (H), adhoc buffer storer and offical record media are connected, and output (DSP) is connected with Yang Sheng device or analog output through digital/analog converter (DAC).
7, device according to claim 6, it is characterized in that the adhoc buffer storer is the read/writable memory device of independent storer or microprocessor (MCU) self, the offical record media is the analog or digital recording unit, the also same storer of adhoc buffer storer and offical record media.
8, device according to claim 7, it is characterized in that the offical record media is an analog recording equipment, its driving/recording control end is connected with the control end of microprocessor (MCU), and its simulated audio signal input end is connected with the analog output of digital/analog converter (DAC).
9, device according to claim 7 is characterized in that the offical record media is a digital recording equipment, the control output end of its recording control termination microprocessor, and its digital input interface connects the data output interface of microprocessor by interface circuit.
10, device according to claim 7 is characterized in that the offical record media is a digital recording equipment, the control output end of its recording control termination microprocessor, and its input end of analog signal is connected with the analog output of digital/analog converter (DAC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108768 CN1341931A (en) | 2001-08-22 | 2001-08-22 | Selective recording method and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108768 CN1341931A (en) | 2001-08-22 | 2001-08-22 | Selective recording method and its equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1341931A true CN1341931A (en) | 2002-03-27 |
Family
ID=4657560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01108768 Pending CN1341931A (en) | 2001-08-22 | 2001-08-22 | Selective recording method and its equipment |
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|---|---|
| CN (1) | CN1341931A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145791B (en) * | 2006-09-13 | 2011-01-05 | 中兴通讯股份有限公司 | Car sound system for time shift playing and information storage |
| CN101625883B (en) * | 2008-07-10 | 2011-11-23 | 索尼株式会社 | Content data managing apparatus, and content data managing method |
| CN1901548B (en) * | 2006-07-26 | 2012-10-03 | 白杰 | Buffer zone managing method |
| CN104902087A (en) * | 2015-05-21 | 2015-09-09 | 深圳市万普拉斯科技有限公司 | Processing method and device of call record |
| CN105206279A (en) * | 2015-08-12 | 2015-12-30 | 深圳市广和通无线股份有限公司 | Record data processing method and system of communication module |
-
2001
- 2001-08-22 CN CN 01108768 patent/CN1341931A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901548B (en) * | 2006-07-26 | 2012-10-03 | 白杰 | Buffer zone managing method |
| CN101145791B (en) * | 2006-09-13 | 2011-01-05 | 中兴通讯股份有限公司 | Car sound system for time shift playing and information storage |
| CN101625883B (en) * | 2008-07-10 | 2011-11-23 | 索尼株式会社 | Content data managing apparatus, and content data managing method |
| CN104902087A (en) * | 2015-05-21 | 2015-09-09 | 深圳市万普拉斯科技有限公司 | Processing method and device of call record |
| CN105206279A (en) * | 2015-08-12 | 2015-12-30 | 深圳市广和通无线股份有限公司 | Record data processing method and system of communication module |
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