CN112153315A - Signal source channel sound sensitivity adjusting method and system based on power protection feedback - Google Patents
Signal source channel sound sensitivity adjusting method and system based on power protection feedback Download PDFInfo
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- CN112153315A CN112153315A CN202010898005.6A CN202010898005A CN112153315A CN 112153315 A CN112153315 A CN 112153315A CN 202010898005 A CN202010898005 A CN 202010898005A CN 112153315 A CN112153315 A CN 112153315A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to the technical field of television signal source regulation, and discloses a method and a system for regulating the sound sensitivity of a signal source channel based on power protection feedback.
Description
Technical Field
The invention relates to the technical field of television signal source adjustment, in particular to a method and a system for adjusting the sound sensitivity of a signal source channel based on power protection feedback.
Background
At present, a television is a device that transmits moving image pictures and audio signals by using an electronic technique according to the persistence of vision characteristics and visual psychology of human eyes.
However, the sound formats of different signal sources are different, and at present, the sound sensitivity is mostly adjusted by manually adjusting parameters of a gain value and an offset value, wherein the gain value refers to an input signal gain value, the offset value refers to an offset value, the workload is large by adopting a manual adjustment mode, and the adjustment range of the sound sensitivity is manually judged, so that the sound sensitivities adjusted by different people are different, and a large error exists, and further the sound output power of each signal source is different, so that the situation that the sound is suddenly increased or suddenly decreased occurs when a user switches different signal sources occurs.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a signal source channel sound sensitivity adjusting method and system based on power protection feedback, which can enable the adjusting process of sound sensitivity to be more automatic and can unify the precision of sound sensitivity.
The purpose of the invention is realized by the following technical scheme:
a signal source channel sound sensitivity adjusting method based on power protection feedback comprises the following steps:
s101, sending an audio output instruction to test equipment so that the test equipment can output pre-set reference sound source data and power over-protection data;
s102, generating a signal source switching instruction according to the prefabricated reference sound source data and the power over-protection data;
s103, generating an audio gain increasing instruction and an audio gain reducing instruction according to a preset power amplifier amplification factor value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value;
s104, generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sending the signal source parameter table.
In one embodiment, the power over-protection data includes a first rated power value and a second rated power value.
In one embodiment, the step of generating an audio gain increasing instruction and an audio gain decreasing instruction according to a preset power amplification magnification value, and executing the audio gain increasing instruction and the audio gain decreasing instruction respectively to generate the real-time gain value of the first signal source and the real-time gain value of the second signal source specifically includes the following steps:
executing the audio gain increasing instruction, generating first preprocessing power detection data, comparing the first preprocessing power detection data with a first rated power value, if the first preprocessing power detection data is larger than the first rated power value, generating abnormal feedback information, and simultaneously generating a first signal source real-time gain value.
In one embodiment, the step of generating an audio gain increasing instruction and an audio gain decreasing instruction according to a preset power amplification magnification value, and executing the audio gain increasing instruction and the audio gain decreasing instruction respectively to generate the real-time gain value of the first signal source and the real-time gain value of the second signal source specifically includes the following steps:
and executing the audio gain reduction instruction, generating second preprocessing power detection data, comparing the second preprocessing power detection data with a second rated power value, if the second preprocessing power detection data is greater than the second rated power value, generating error feedback information, and simultaneously generating a real-time gain value of the second signal source.
In one embodiment, in the step of generating the signal source switching instruction according to the pre-prepared reference sound source data and the power over-protection data, the method specifically includes the following steps:
and generating a playing instruction to judge whether the prefabricated reference sound source data can be played normally, and if not, generating error alarm information.
In one embodiment, the pre-prepared reference audio source data includes HDMI signal source data, TV signal source data, and AV signal source data.
In one embodiment, the preset power amplification factor value is a power amplification factor.
A system for adjusting the acoustic sensitivity of a signal source channel based on power protection feedback, comprising:
the transmitting module is used for transmitting an audio output instruction to the testing equipment so that the testing equipment can output the pre-made reference sound source data and the power over-protection data; the sending module is further used for generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sending the signal source parameter table;
the reading module is used for generating a signal source switching instruction according to the prefabricated reference sound source data and the power over-protection data;
and the execution module is used for generating an audio gain increasing instruction and an audio gain reducing instruction according to a preset power amplification magnification numerical value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value.
In one embodiment, the execution module is further configured to execute the audio gain increasing instruction, generate first pre-processing power detection data, compare the first pre-processing power detection data with a first rated power value, and if the first pre-processing power detection data is greater than the first rated power value, generate abnormal feedback information and generate the real-time gain value of the first signal source.
In one embodiment, the execution module is further configured to execute the audio gain increasing instruction, generate first pre-processing power detection data, compare the first pre-processing power detection data with a first rated power value, and if the first pre-processing power detection data is greater than the first rated power value, generate abnormal feedback information and generate the real-time gain value of the first signal source.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention relates to a signal source channel sound sensitivity adjusting method and a signal source channel sound sensitivity adjusting system based on power protection feedback.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flowchart of a method for adjusting the sound sensitivity of a signal source channel based on power protection feedback according to an embodiment of the present invention;
fig. 2 is a functional block diagram of a system for adjusting the sound sensitivity of a signal source channel based on power protection feedback according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a method for adjusting the sound sensitivity of a signal source channel based on power protection feedback includes the following steps:
s101, sending an audio output instruction to test equipment so that the test equipment can output pre-set reference sound source data and power over-protection data;
s102, generating a signal source switching instruction according to the prefabricated reference sound source data and the power over-protection data, and receiving audio data;
s103, generating an audio gain increasing instruction and an audio gain reducing instruction according to a preset power amplification magnification numerical value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value;
and S104, generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sending the signal source parameter table.
To better illustrate the concept of the signal source channel sound sensitivity adjustment method based on power protection feedback, further, for example:
and S101, sending an audio output instruction to the test equipment so that the test equipment can output the pre-prepared reference sound source data and the power over-protection data.
And S102, generating a signal source switching instruction according to the pre-prepared reference sound source data and the power over-protection data.
Specifically, the power over-protection data includes a first rated power value and a second rated power value.
It should be noted that, the main control module is a CPU built in the television, and the staff can input the signal source information into the test equipment, and output the pre-made reference sound source data and the power over-protection data to the television by the test equipment, where the pre-made reference sound source data includes HDMI signal source data, TV signal source data, AV signal source data, and the like, and for example, according to the standard of actual production, the state information with a sine wave of 1kHz is selected for making, the amplitude takes 500mV as the reference, the modulation degree of the TV signal source data is 54%, the AV signal source data is 500mV, and the HDMI signal source data is an audio file of-12 dB. Furthermore, the main control module generates a signal source switching instruction according to the data type of the prefabricated reference sound source data so as to adjust a signal source corresponding to the television.
It should be further noted that the power over-protection data includes a first rated power value and a second rated power value, where the first rated power value is a protection point of over-power set by the power amplifier, and the second rated power value is a protection point of under-power set by the power amplifier.
Step S103, according to the preset power amplification magnification value, generating an audio gain increasing instruction and an audio gain reducing instruction, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value.
Specifically, the preset power amplification factor value is the power amplification factor.
More specifically, the steps of generating an audio gain increasing instruction and an audio gain reducing instruction according to the audio data and the preset power amplification magnification value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating the first signal source real-time gain value and the second signal source real-time gain value specifically include the following steps:
and executing an audio gain increasing instruction, generating first preprocessing power detection data, comparing the first preprocessing power detection data with a first rated power value, and if the first preprocessing power detection data is greater than the first rated power value, generating abnormal feedback information and simultaneously generating a first signal source real-time gain value.
Specifically, the steps of generating an audio gain increasing instruction and an audio gain reducing instruction according to the audio data and the preset power amplification magnification value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating the first signal source real-time gain value and the second signal source real-time gain value specifically include the following steps:
and executing the audio gain reduction instruction, generating second preprocessing power detection data, comparing the second preprocessing power detection data with a second rated power value, and if the second preprocessing power detection data is greater than the second rated power value, generating error feedback information and simultaneously generating a second signal source real-time gain value.
It should be noted that the preset power amplification factor value is the power amplification factor. The total power of the television sound output according to the formula is equal to the product of an audio source sound reference, the audio gain value of the signal source and the power amplification factor, wherein the audio source sound reference does not preset reference sound source data, and the audio gain value of the signal source is the real-time gain value of the first signal source or the real-time gain value of the second signal source. When the amplification factor of the power amplifier is certain, and according to the prefabricated reference sound source data, if the output power of each signal source is consistent, only the gain value needs to be adjusted. For example: the testing equipment inputs the prefabricated reference sound source data into the television, the main control module generates an audio gain increasing instruction, the audio gain increasing instruction is increased by 0.5dB at each time and kept for 15 seconds for power amplification power detection until the output power is too high and exceeds a protection point of overpower set by the power amplifier, the gain value under the signal source state is recorded, namely the real-time gain value of the first signal source, further, the main control module generates an audio gain reducing instruction, the television automatically reduces the sound gain value of the current signal source, the audio gain reducing instruction is reduced by 0.5dB at each time and kept for power amplification power detection for 15 seconds until the output power is too low and falls to a protection point of underpower set by the power amplifier, and the Offset value under the signal source state is recorded, namely the real-time gain value of the second signal source.
And step S104, generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sending the signal source parameter table.
It should be noted that, the main control module generates a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sends the signal source parameter table, so as to write the software code in the following. For example, the signal source state, the first signal source real-time gain value and the second signal real-time gain value are collected and stored.
Further, in an embodiment, in the step of generating the signal source switching instruction according to the pre-prepared reference sound source data and the power over-protection data, the method specifically includes the following steps:
and generating a playing instruction to judge whether the prefabricated reference sound source data can be normally played, and if not, generating error alarm information.
It should be noted that, the television will play the prefabricated reference sound source data, and if the playing is abnormal, an error alarm message will be generated to prompt the worker to process the prefabricated reference sound source data or to overhaul the power amplifier.
So, above-mentioned signal source passageway sensitivity of sound regulation method based on power protection feedback, at first establish the benchmark of audio source sound, the prefabricated benchmark sound source data of this application, thereby it is unanimous with the audio information of the various audio frequency formats of the signal source of each passageway, then through the excess protection mechanism who utilizes the power amplifier, the power excess protection data of this application promptly, the main control module compares the audio data and the power excess protection data of each signal source, and then obtain the real-time gain value of signal source, so, alright make the sound output power of each signal source unanimous, and then can not make the TV set appear the phenomenon that sound is suddenly little when the switching signal source, and simultaneously, this application can replace the manual work and debug, thereby make whole process more automatic.
Referring to fig. 2, a system for adjusting the sound sensitivity of a signal source channel based on power protection feedback includes: the device comprises a sending module, a reading module and an executing module. The sending module is used for sending an audio output instruction to the testing equipment so that the testing equipment can output the pre-made reference sound source data and the power over-protection data; the sending module is also used for generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value and sending the signal source parameter table; the reading module is used for generating a signal source switching instruction according to the prefabricated reference sound source data and the power over-protection data and receiving audio data; the execution module is used for generating an audio gain increasing instruction and an audio gain reducing instruction according to the audio data and the preset power amplification magnification value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value.
Further, in an embodiment, the execution module is further configured to execute an audio gain increase instruction, generate first pre-processing power detection data, compare the first pre-processing power detection data with the first rated power value, and if the first pre-processing power detection data is greater than the first rated power value, generate abnormal feedback information and generate the real-time gain value of the first signal source.
Further, in an embodiment, the execution module is further configured to execute an audio gain increase instruction, generate first pre-processing power detection data, compare the first pre-processing power detection data with the first rated power value, and if the first pre-processing power detection data is greater than the first rated power value, generate abnormal feedback information and generate the real-time gain value of the first signal source.
It should be noted that the main control module includes a sending module, a reading module, and an executing module, so as to execute the method for adjusting the sound sensitivity of the signal source channel based on the power protection feedback in this embodiment.
Further, in another embodiment, in the step of generating a play instruction to determine whether the prefabricated reference sound source data can be normally played, if not, generating an error alarm message, the method specifically includes the following steps: s102a, generating a picture display detection instruction and executing the picture display detection instruction; s102b, judging whether the signal source display is abnormal, if so, generating a video signal polling instruction, sending the video signal polling instruction to test equipment, and if not, generating error alarm information; and S102c, receiving the feedback information. It should be noted that the prefabricated reference sound source data includes sound signal data and video signal data, when the television cannot normally play the video signal of the signal source, the main control module generates a picture display detection instruction, judges whether the signal source display is abnormal, if so, generates a video signal polling instruction, and sends the video signal polling instruction to the test equipment, and the test equipment receives the video signal and switches the signal source through automatic polling until the display is normal. Meanwhile, the detection process can be more automatic by adopting the mode.
Further, when the television can normally display the video image, if the sound signal is abnormally played, for example: s102d, generating a voice detection command and executing the voice detection command; s102e, judging whether the sound played by the signal source is abnormal or not, if so, generating a sound signal polling instruction, sending the sound signal polling instruction to test equipment, and if not, generating error alarm information; and S102c, receiving the processing information. It should be noted that, when a video signal of a television signal source can be normally played and a sound signal cannot be played, the main control module generates a sound detection instruction to judge whether the sound played by the signal source is abnormal, if so, a sound signal polling instruction is generated and sent to the test equipment, and the test equipment receives the sound signal and then switches a mode of prefabricating audio data through automatic polling until the sound is normal. Meanwhile, the detection process can be more automatic by adopting the mode.
Compared with the prior art, the invention has the following advantages:
the signal source channel sound sensitivity adjusting method and system based on power protection feedback firstly establish the reference of the sound source sound, namely the prefabricated reference sound source data of the application, thereby the audio information of various audio formats of the signal source of each channel is consistent, then the over-protection mechanism by utilizing power amplification, namely the over-protection data of the power of the application, the main control module compares the audio data of each signal source with the over-protection data of the power, and further obtains the real-time gain value of the signal source, so that the sound output power of each signal source is consistent, and further the phenomenon that the sound is suddenly reduced when the signal source is converted by a television can not be caused, meanwhile, the method and system can replace manual debugging, thereby the whole process is more automatic.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A signal source channel sound sensitivity adjusting method based on power protection feedback is characterized by comprising the following steps:
sending an audio output instruction to test equipment so that the test equipment outputs prefabricated reference sound source data and power over-protection data;
generating a signal source switching instruction according to the prefabricated reference sound source data and the power over-protection data;
generating an audio gain increasing instruction and an audio gain reducing instruction according to a preset power amplification magnification numerical value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value;
and generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sending the signal source parameter table.
2. The method according to claim 1, wherein the power over-protection data comprises a first rated power value and a second rated power value.
3. The method according to claim 2, wherein the step of generating an audio gain increasing command and an audio gain decreasing command according to a preset power amplification factor value, and executing the audio gain increasing command and the audio gain decreasing command respectively to generate the first signal source real-time gain value and the second signal source real-time gain value specifically comprises the steps of:
executing the audio gain increasing instruction, generating first preprocessing power detection data, comparing the first preprocessing power detection data with a first rated power value, if the first preprocessing power detection data is larger than the first rated power value, generating abnormal feedback information, and simultaneously generating a first signal source real-time gain value.
4. The method according to claim 2, wherein the step of generating an audio gain increasing command and an audio gain decreasing command according to a preset power amplification factor value, and executing the audio gain increasing command and the audio gain decreasing command respectively to generate the first signal source real-time gain value and the second signal source real-time gain value specifically comprises the steps of:
and executing the audio gain reduction instruction, generating second preprocessing power detection data, comparing the second preprocessing power detection data with a second rated power value, if the second preprocessing power detection data is greater than the second rated power value, generating error feedback information, and simultaneously generating a real-time gain value of the second signal source.
5. The method for adjusting the sound sensitivity of the signal source channel based on the power protection feedback as claimed in claim 1, wherein in the step of generating the signal source switching command according to the pre-prepared reference sound source data and the power over-protection data, the method specifically comprises the following steps:
and generating a playing instruction to judge whether the prefabricated reference sound source data can be played normally, and if not, generating error alarm information.
6. The method of claim 1, wherein the pre-prepared reference audio source data comprises HDMI signal source data, TV signal source data, and AV signal source data.
7. The method of claim 1, wherein the predetermined power amplification factor value is a power amplification factor.
8. A system for adjusting the acoustic sensitivity of a signal source channel based on power protection feedback, comprising:
the transmitting module is used for transmitting an audio output instruction to the testing equipment so that the testing equipment can output the pre-made reference sound source data and the power over-protection data; the sending module is further used for generating a signal source parameter table according to the first signal source real-time gain value and the second signal source real-time gain value, and sending the signal source parameter table;
the reading module is used for generating a signal source switching instruction according to the prefabricated reference sound source data and the power over-protection data;
and the execution module is used for generating an audio gain increasing instruction and an audio gain reducing instruction according to a preset power amplification magnification numerical value, respectively executing the audio gain increasing instruction and the audio gain reducing instruction, and generating a first signal source real-time gain value and a second signal source real-time gain value.
9. The system of claim 8, wherein the execution module is further configured to execute the instruction for increasing audio gain to generate first pre-processed power detection data, compare the first pre-processed power detection data with a first rated power value, and if the first pre-processed power detection data is greater than the first rated power value, generate abnormal feedback information and generate the real-time gain value of the first signal source.
10. The system of claim 8, wherein the execution module is further configured to execute the instruction for increasing audio gain to generate first pre-processed power detection data, compare the first pre-processed power detection data with a first rated power value, and if the first pre-processed power detection data is greater than the first rated power value, generate abnormal feedback information and generate the real-time gain value of the first signal source.
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