CN103778950A - Recording method in the state of closed recording circuit - Google Patents
Recording method in the state of closed recording circuit Download PDFInfo
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- CN103778950A CN103778950A CN201210404369.XA CN201210404369A CN103778950A CN 103778950 A CN103778950 A CN 103778950A CN 201210404369 A CN201210404369 A CN 201210404369A CN 103778950 A CN103778950 A CN 103778950A
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Abstract
The invention discloses a recording method in the state of closed recording circuit. The method includes the steps of: (1) detecting a sound signal in the environment and converting the sound signal into a digital signal; (2) calculating the value of the digital signal in a certain period of time; (3) comparing the value with a preset threshold to determine whether the value is greater than the preset threshold, and entering into a next step if it is, or entering into the step (1) to continue detection if it is not; and (3) sending a recording start instruction by a microprocessor; and after the starting of recording by the recording start instruction, continuing to detect recording of the environment and determining the state in a certain period of time; and if recording is not required, closing the recording. Therefore, the method disclosed by the invention determines and starts recording through the detection of sound signal in the environment, continues the detection in the recording process, and closes the recording under certain conditions, so as to avoid loss of recording at the same time save recording space, reduce energy consumption, greatly facilitate usage, and benefit the application of the recording device.
Description
[technical field]
The present invention relates to a kind of way of recording of recording device, relate in particular to a kind of way of recording of being convenient under recording circuit closed condition, be convenient to control recording state, improve the convenience of recording.
[background technology]
Recording device, as the electronic product of SoundRec, is convenient to the speech content of recorded meeting occasion, becomes the widely used electronic product of people.For ease of the convenience of the recording of recording device, the recording device of prior art arranges sound-controlled apparatus with the sound source of detecting environment and then automatically opens sound-recording function.
But, the above-mentioned recording device that sound-controlled apparatus is set, in Recording Process, recording circuit device is in running order all the time, if cause unnecessary resource cost while recording in long-time, is unfavorable for the electricity saving and energy saving of recording device.If close recording device, in the time that recording, needs still need manually opened recording, and very inconvenient when the recording of recording device is used.
[summary of the invention]
The invention provides the way of recording under a kind of recording circuit closed condition, even if be convenient in recording circuit lower unlatching recording in off position, when avoiding leakage recording, economization energy consumes.
For solving above-mentioned technical matters, the invention provides the way of recording under a kind of recording circuit closed condition, comprise the steps:
(1) voice signal of testing environment be converted to digital signal;
(2) numerical value of computing digital signal in certain hour section;
(3) by the threshold value comparison of numerical value and setting, whether be greater than the threshold value of setting, if so, enter next step, if not, enter step (1) and continue detecting;
(4) microprocessor sends startup record command;
(5) recording circuit device start and record recording voice signal generate recording file;
(6) continue the voice signal of testing environment and be converted to digital signal;
(7) numerical value of computing digital signal in certain hour section;
(8) by the threshold value comparison of numerical value and setting, whether be greater than the threshold value of setting, if so, enter step (6) and continue recording, if not, send and stop record command;
(9) recording circuit device is preserved digital recorded file;
(10) recording circuit device is closed, and enters step (1), enters new recording and detects.
The way of recording as above, in described step (1), the voice signal of described testing environment comprises
(1.1) microphone gathers the voice signal of environment;
(1.2) dynamic sampling is processed described voice signal and is converted to digital signal.
The way of recording as above, in described step (2), is in 1-60 time second in the certain hour section of described computing digital signal in certain hour section.
The way of recording as above, in described step (2), the numerical value of described computing digital signal in certain hour section refers to the performance number of the digital signal of computing in certain hour section.
The way of recording as above, in described step (3), described by the threshold value of numerical value and setting, the threshold value in relatively comprises high sensitivity threshold value, medium sensitivity threshold value or muting sensitivity threshold value.
The way of recording as above, in described step (3), the threshold value of the described setting in relatively by the threshold value of numerical value and setting refers to the threshold value that user is selected.
The way of recording as above, in described step (3), the threshold value of the described setting in relatively by the threshold value of numerical value and setting refers to any in the selected high sensitivity threshold value of user, medium sensitivity threshold value or muting sensitivity threshold value.
The way of recording as above, in described step (7), refers in the certain hour section of described computing digital signal in certain hour section in 1-60 second.
The way of recording as above, in described step (9), described recording circuit device is preserved digital recorded file and is also comprised that described digital recorded file is stored to storer by recording circuit device.
The way of recording as above, in described step (10), described recording circuit device is closed and is referred to the working power of closing recording circuit device.
As mentioned above, the way of recording under recording circuit closed condition of the present invention, by the voice signal of testing environment, and judge and open recording or close recording with the mode of threshold value comparison, when avoiding leakage recording, also make recording circuit close under the state of not recording, be convenient to control recording state, and save electric energy, and save recording storage space, greatly improve the convenience that recording is used.
[accompanying drawing explanation]
Fig. 1 is the first embodiment schematic diagram of controlling the recording device of recording under recording circuit closed condition of the present invention.
Fig. 2 is the second embodiment schematic diagram of recording device of the present invention.
Fig. 3 is the 3rd embodiment schematic diagram of recording device of the present invention.
Fig. 4 is the 4th embodiment schematic diagram of recording device of the present invention.
Fig. 5 is the process flow diagram of the way of recording of recording device of the present invention under recording circuit closed condition.
[embodiment]
Reach for further setting forth the present invention technological means and effect that predetermined object is taked, below in conjunction with drawings and the embodiments, architectural feature, to concrete structure of the present invention and effect thereof, be described in detail as follows.
As Fig. 1, under recording circuit closed condition of the present invention, control the first embodiment of the recording device of recording, recording device comprises microprocessor, microprocessor connects recording circuit device, recording control device, memory storage, supply unit and loudspeaker.Recording circuit device of the present invention is connected respectively microphone with recording control device, and the voice signal that recording control device receives microphone also generates the recording steering order of controlling recording circuit device after processing.Recording circuit device receives the voice signal of microphone and processes and record after generating digital recording file, is stored to memory storage.
Recording control device connects microphone and receives microphone and detects the outside voice signal that collects and process and generate the steering order of recording.Recording control device of the present invention comprises dynamic sampling circuit device, threshold value control device and comparator circuit device, the voice signal that dynamic sampling processing circuit unit reception microphone gathers is also changed generating digital signal after dynamic sampling is processed, comparator circuit device is by the digital signal generating and the setting threshold comparison of threshold value control device, if the numerical value of digital signal is greater than setting threshold, send the signal that starts recording to microprocessor, microprocessor receives the signal of this startup recording and sends and starts record command to recording circuit device, recording circuit device is opened and is recorded and receive the voice signal that microphone gathers, voice signal is recorded and is converted to digital recorded file and is stored to storer.
In specific embodiment, threshold value control device of the present invention comprises threshold value setting circuit and threshold circuit device, and threshold circuit device arranges the threshold circuit of three kinds of sensitivity, so that the demand of recording quality of different recording occasions to be provided.The threshold circuit of threshold circuit device setting comprises high sensitivity threshold circuit, medium sensitivity threshold circuit and muting sensitivity threshold circuit, wherein, the numerical value minimum of the threshold value that the set unlatching of high sensitivity threshold circuit is recorded, the numerical value maximum of the threshold value of the set unlatching recording of height threshold of sensitivity circuit, the numerical value of the threshold value of the set unlatching recording of medium sensitivity threshold circuit be greater than high sensitivity threshold circuit threshold value numerical value but be less than the numerical value of the threshold value of muting sensitivity threshold circuit.
The threshold circuit of three kinds of sensitivity of threshold value setting circuit control threshold circuit device, in different occasions, according to the demand of recording sensitivity, user can select the threshold circuit of different sensitivity.The background sound source complexity of for example playback environ-ment, in the low situation of the megaphonia intensity of the sound source that need to record, user can passing threshold arrange circuit and select the high sensitivity threshold circuit in threshold circuit device.In specific embodiment, threshold value setting circuit arranges the options button of selecting recording sensitivity on the operation control key of recording device of the present invention.Comparator circuit device by the numeric ratio of the high sensitivity threshold value of the high sensitivity threshold circuit of the digital signal of dynamic sampling generation that treatment circuit is processed and user's selection, if higher than the numerical value of high sensitivity threshold value, recording control device sends the excitation signal of opening recording to microprocessor, the excitation signal that microprocessor processes is opened recording generates unlatching record command, this unlatching record command control is also opened recording circuit device, in specific embodiment, start the circuit power of recording circuit device each module of opening recording circuit device, and then recording circuit device receives the voice signal of microphone and records generating digital recording file.
In specific embodiments of the invention, the threshold circuit device of threshold value control device arranges the threshold circuit of three kinds of sensitivity, when taking into account recording quality, and the resources such as the storage space of saving recording.The recording device of prior art ensureing recording quality in the situation that, increased the unnecessary storage space power consumption that takies and record.For example, in working environment, in the real-time recording process of the recording device of prior art, certainly will cause noise that recording control device monitors playback environ-ment such as air-conditioner wind noise, typewriting sound or file are browsed the noise sources such as sound time, also start recording circuit device, and then noise source is recorded to generating digital recording file, increase unnecessary recording cost.And recording device of the present invention is in above-mentioned playback environ-ment, can select muting sensitivity recording circuit, the impacts many but sound source of mainly recording that needs are recorded of the noise source of working environment are little, while selecting muting sensitivity recording threshold circuit to be convenient to detect the sound source of mainly recording, just starting recording circuit device records, thereby greatly reduce the noise source of the unnecessary environment of recording, also saved unnecessary storage space.Therefore, three kinds of sensitivity recording threshold circuits that the present invention adopts, when being convenient to user and selecting suitable recording quality, the resource that is conducive to record for example the record electric energy and the storage space etc. that expend.
The record dynamic sampling processing circuit unit of control device of the present invention receives voice signal and then the generating digital signal of microphone according to dynamic algorithm processing, dynamic sampling processing circuit unit generates and detects numerical value the digital signal calculation process in a period of time, comparator circuit device by detect the threshold circuit that numerical value and threshold value control device set threshold value numeric ratio, if detect the numerical value that numerical value is greater than the threshold value of threshold circuit, send the signal of opening recording to microprocessor; If detect the numerical value that numerical value is less than the threshold value of threshold circuit, do not send the signal of opening recording.
Recording device of the present invention sends and starts recording steering order to recording circuit device, and recording circuit device is opened to receive the voice signal of microphone and recorded generating digital recording file.The recording circuit device of recording device of the present invention is in the process of recording external voice, the dynamic sampling treatment circuit of recording control device still detects the voice signal that microphone gathers in real time, dynamic sampling processing circuit unit generates the voice signal conversion of the microphone in a period of time of dynamic acquisition to detect numerical value, comparator circuit device by the numeric ratio that detects the threshold value that numerical value and threshold value control device set, if numerical value is greater than the numerical value of threshold value, continue recording, if numerical value is less than the numerical value of threshold value, send the signal that stops recording to microprocessor, microprocessor is processed the signal that stops recording generating and is stopped record command and send stopping record command to recording circuit device, recording circuit device stops recording and preserves after digital recorded file, microprocessor control recording circuit device is closed power supply and the sound-recording function of recording circuit device.
Recording control device of the present invention detects the voice signal that microphone gathers, and then process and judge whether the voice signal that microphone gathers is the recording state that need to open recording circuit device, in the recording duty that judges and send unlatching record command unlatching recording circuit device, in the Recording Process of recording circuit device, recording control device still continues to detect the voice signal of outside playback environ-ment, and then the state of processing the voice signal of the playback environ-ment of computing in Recording Process judges, whether the voice signal of playback environ-ment meets the threshold value that recording is set, whether need to continue recording, be less than at the numerical value that judges the voice signal after computing after the numerical value of threshold value of setting, also be, the sound that playback environ-ment need to be recorded is less than setting threshold, do not meet the standard that continues recording, recording control device sends and stops the signal of recording and sent and stopped record command by microprocessor, stop recording and close recording circuit device to control recording circuit device.
Therefore, under the state that recording control device of the present invention cuts out at recording circuit device, by detecting the voice signal of outside microphone and judging whether to open recording circuit device with recorded voice file, in Recording Process, continue to judge whether to stop recording state by detecting the voice signal of outside mark's wind, thus, the sound of the environment that recording device of the present invention detects at outside microphone is met and setting threshold, open recording, and close recording under the condition that does not meet recording setting threshold, fully ensure and do not missed important recording file, simultaneously, thereby also save and in Recording Process, recorded unnecessary recording file and take storage space, and in Recording Process, automatically close recording circuit device, also having reduced electric energy expends.
As Fig. 2, be the second embodiment of recording device of the present invention, be with the first embodiment difference, the microphone in this specific embodiment comprises the first microphone and second microphone.In this specific embodiment, first, second microphone can be more comprehensively accurately for gathering external environment condition voice signal, first, second microphone can obtain the voice signal of the left and right sound source of external environment condition, and transfer to recording control device, ensure comprehensive accuracy of the sound signal source collection of environment.
As Fig. 3, for the 3rd embodiment of recording device of the present invention, different from the first embodiment, the microphone in this specific embodiment comprises detection microphone and recording microphone wind, detect microphone and connect recording control device, recording microphone wind connects recording circuit device.Detect microphone and connect recording control device and the transmission of sound signals of the external environment condition of collection to the control device of recording is processed and judged whether need to start recording state, and recording microphone wind is recorded and changed generating digital recording file in order to gather the recording voice signal under playback environ-ment and to transfer to recording circuit device in Recording Process.In order to increase the Stability and veracity of recording effect, recording microphone wind also comprises the first recording microphone wind and the second recording microphone wind, first, second recording microphone wind increases the orientation that recording gathers, make the more accurate stable of sound signal collecting in playback environ-ment, be conducive to ensure the raising of recording quality.
As Fig. 4, be the fourth embodiment of the present invention, different from the 3rd embodiment, detect microphone and also comprise that the first detection microphone and second detects microphone.In concrete application, first, second of setting detects microphone and improved the accuracy and the stability that detect the voice signal that needs recorded voice, further avoids missing important recording data.
Therefore, above-mentioned first, second, third and the 4th embodiment of recording device of the present invention, by set different from gathering the microphone of voice signal of playback environ-ment, increase the accuracy of the recording that detects recording sound or Recording Process and stablized, being convenient to provide recording quality of the present invention.
As Fig. 5, recording device of the present invention is under the recording circuit closed condition of recording circuit device, and the voice signal of detecting environment, starts and control the way of recording of recording, and comprises the steps:
(1) voice signal of testing environment be converted to digital signal;
(2) numerical value of computing digital signal in certain hour section;
(3) by the threshold value comparison of numerical value and setting, whether be greater than the threshold value of setting, if so, enter next step, if not, enter step (1) and continue detecting;
(4) microprocessor sends startup record command;
(5) recording circuit device start and record recording voice signal generate recording file;
(6) continue the voice signal of testing environment and be converted to digital signal;
(7) numerical value of computing digital signal in certain hour section;
(8) by the threshold value comparison of numerical value and setting, whether be greater than the threshold value of setting, if so, enter step (6) and continue recording, if not, send and stop record command;
(9) recording circuit device is preserved digital recorded file;
(10) recording circuit device is closed, and enters step (1), enters new recording and detects.
In step as above (1), the voice signal of described testing environment comprises:
(1.1) microphone gathers the voice signal of environment;
(1.2) dynamic sampling is processed described voice signal and is converted to digital signal
In step as above (2), in the certain hour section of described computing digital signal in certain hour section, be in 1-60 time second.
In step as above (2), the numerical value of described computing digital signal in certain hour section refers to the performance number of the digital signal of computing in certain hour section.
In step as above (3), described by the threshold value of numerical value and setting, the threshold value in relatively comprises high sensitivity threshold value, medium sensitivity threshold value or muting sensitivity threshold value.
In step as above (3), the threshold value of the described setting in relatively by the threshold value of numerical value and setting refers to the threshold value that user is selected.
In step as above (3), the threshold value of the described setting in relatively by the threshold value of numerical value and setting refers to any in the selected high sensitivity threshold value of user, medium sensitivity threshold value or muting sensitivity threshold value.
In step as above (7), in the certain hour section of described computing digital signal in certain hour section, refer in 1-60 second.
In step as above (9), described recording circuit device is preserved digital recorded file and is also comprised that described digital recorded file is stored to storer by recording circuit device.
In step as above (10), described recording circuit device is closed and is referred to the working power of closing recording circuit device.
Under the state that recording device of the present invention is closed at recording circuit device, open sound-recording function recorded voice by the sound of recording device testing environment, avoid missing important recording.The present invention can select the threshold value of setting by user, facilitate user under different situations, select to start recording, for example, in the noisy environment of height, can select to set high sensitivity threshold value, even if make the voice signal that need to record faint, also can record the digital recorded file that generation needs, improve the confidence level of recording.
In addition, the method of the threshold value that the present invention sets, makes user to select different recording according to the demand of playback environ-ment, the recording space waste of having avoided the recording state of selecting under varying environment to cause, meanwhile, also avoid not missing and record and ensure recording quality.
In sum, the present invention is by the recording control device arranging, dynamic acquisition is treated the sound of playback environ-ment and is converted to monitoring acoustic control power, by the comparison with the threshold value of setting, and then can judge whether to need recording corresponding startup recording, in Recording Process, also the mode of the sound by monitoring of environmental monitors in the situation that does not need recording, stop recording and closing recording circuit, save power supply, also reduce unnecessary recording data and take up room.Recording device of the present invention and the way of recording are convenient to control recording state, and save electric energy, save recording storage space, have greatly improved the convenience that recording is used.
The above embodiment of the present invention is only in order to illustrate principle of the present invention and structure, and those skilled in the art do any apparent conversion implementer accordingly, all within protection scope of the present invention.
Claims (10)
1. the way of recording under recording circuit closed condition, is characterized in that, the described way of recording comprises the steps:
(1) voice signal of testing environment be converted to digital signal;
(2) numerical value of computing digital signal in certain hour section;
(3) by the threshold value comparison of numerical value and setting, whether be greater than the threshold value of setting, if so, enter next step, if not, enter step (1) and continue detecting;
(4) microprocessor sends startup record command;
(5) recording circuit device start and record recording voice signal generate recording file;
(6) continue the voice signal of testing environment and be converted to digital signal;
(7) numerical value of computing digital signal in certain hour section;
(8) by the threshold value comparison of numerical value and setting, whether be greater than the threshold value of setting, if so, enter step (6) and continue recording, if not, send and stop record command;
(9) recording circuit device is preserved digital recorded file;
(10) recording circuit device is closed, and enters step (1), enters new recording and detects.
2. the way of recording as claimed in claim 1, is characterized in that, in step as above (1), the voice signal of described testing environment comprises
(1.1) microphone gathers the voice signal of environment;
(1.2) dynamic sampling is processed described voice signal and is converted to digital signal.
3. the way of recording as claimed in claim 1, is characterized in that, in described step (2), in the certain hour section of described computing digital signal in certain hour section, is in 1-60 time second.
4. the way of recording as claimed in claim 1, is characterized in that, in described step (2), the numerical value of described computing digital signal in certain hour section refers to the performance number of the digital signal of computing in certain hour section.
5. the way of recording as claimed in claim 1, is characterized in that, in described step (3), described by the threshold value of numerical value and setting, the threshold value in relatively comprises high sensitivity threshold value, medium sensitivity threshold value or muting sensitivity threshold value.
6. the way of recording as claimed in claim 1, is characterized in that, in described step (3), the threshold value of the described setting in relatively by the threshold value of numerical value and setting refers to the threshold value that user is selected.
7. the way of recording as claimed in claim 1, it is characterized in that, in described step (3), the threshold value of the described setting in relatively by the threshold value of numerical value and setting refers to any in the selected high sensitivity threshold value of user, medium sensitivity threshold value or muting sensitivity threshold value.
8. the way of recording as claimed in claim 1, is characterized in that, in described step (7), refers in 1-60 second in the certain hour section of described computing digital signal in certain hour section.
9. the way of recording as claimed in claim 1, is characterized in that, in described step (9), described recording circuit device is preserved digital recorded file and also comprised that described digital recorded file is stored to storer by recording circuit device.
10. the way of recording as claimed in claim 1, is characterized in that, in described step (10), described recording circuit device is closed and referred to the working power of closing recording circuit device.
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| CN201210404369.XA CN103778950A (en) | 2012-10-22 | 2012-10-22 | Recording method in the state of closed recording circuit |
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| CN201210404369.XA CN103778950A (en) | 2012-10-22 | 2012-10-22 | Recording method in the state of closed recording circuit |
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| CN104064212A (en) * | 2014-06-25 | 2014-09-24 | 深圳市中兴移动通信有限公司 | Sound recording method and device |
| CN106486147A (en) * | 2015-08-26 | 2017-03-08 | 华为终端（东莞）有限公司 | The directivity way of recording, device and sound pick-up outfit |
| CN107343105A (en) * | 2017-07-21 | 2017-11-10 | 维沃移动通信有限公司 | The processing method and mobile terminal of a kind of voice data |
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| CN113784004A (en) * | 2021-09-16 | 2021-12-10 | 杭州逗酷软件科技有限公司 | Recording method, recording device, storage medium and electronic equipment |
| CN113784004B (en) * | 2021-09-16 | 2024-05-14 | 杭州逗酷软件科技有限公司 | Recording method, recording device, storage medium and electronic equipment |
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Application publication date: 20140507 |