CN107155141B - Sound lamp capable of calibrating sound effect, sound effect calibration method and sound effect calibration system - Google Patents
Sound lamp capable of calibrating sound effect, sound effect calibration method and sound effect calibration system Download PDFInfo
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- CN107155141B CN107155141B CN201710336102.4A CN201710336102A CN107155141B CN 107155141 B CN107155141 B CN 107155141B CN 201710336102 A CN201710336102 A CN 201710336102A CN 107155141 B CN107155141 B CN 107155141B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
- F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Circuit For Audible Band Transducer (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
The embodiment of the invention provides an acoustic lamp capable of calibrating sound effects, a sound effect calibration method and a sound effect calibration system. This sound lamp of calibration audio comprises: an illumination device, an audio device, and a communication unit connected to the audio device. According to the embodiment of the invention, the communication unit is added in the sound lamp, the communication unit receives the far-field calibration instruction and the standard audio sent by the terminal, and the sound device plays the standard audio; acquiring far-field signals played by an acoustic device by using a calibration device of the terminal, calculating first compensation parameters according to the far-field signals and terminal playing parameters, and sending the first compensation parameters to the acoustic lamp; the audio calibration processing is carried out on the sound device according to the first compensation parameter, far-field calibration playing parameters are obtained, and playing is carried out according to the far-field calibration playing parameters, so that far-field sound effects of the sound lamp are calibrated by means of the terminal, the purpose of improving the far-field sound effects of the sound lamp is achieved, special equipment for far-field calibration is not required to be additionally added, and cost is reduced.
Description
Technical Field
The embodiment of the invention relates to the field of lamps, in particular to an acoustic lamp capable of calibrating sound effects, a sound effect calibration method and a sound effect calibration system.
Background
The sound lamp is a lamp with lighting and sound functions, the sound functions are integrated on the lamp, and the sound lamp can be connected with a terminal for providing audio through Bluetooth, a mobile phone and the like. The user can control the sound size and brightness of the sound lamp through the terminal. The current sound lamps are focused on developing different shapes so as to meet the requirements of users on the appearance of the sound lamps.
With the continuous development of audio technology, the quality of audio files is continuously improved, and the requirements of users on the sound effects of sound lamps are also higher. When the sound lamp is used for playing audio, various objects such as a desk lamp, a floor lamp, a bookshelf, a wardrobe and the like are usually placed around the sound lamp, sound waves can be reflected and refracted by the objects to influence the normal transmission of the audio, so that the audio is distorted in the sound transmission process, and the far-field sound effect of the sound lamp is poor.
Disclosure of Invention
The embodiment of the invention provides an acoustic lamp capable of calibrating sound effects, a sound effect calibration method and a sound effect calibration system, which are used for solving the problem that the current acoustic lamp cannot calibrate the playing sound effects of the acoustic lamp and the sound effects of the acoustic lamp are generally poor.
An aspect of an embodiment of the present invention is to provide an acoustic lamp capable of calibrating sound effects, including: the device comprises a lighting device, an acoustic device and a communication unit connected with the acoustic device, wherein the lighting device, the acoustic device and the communication unit are arranged in a shell of an acoustic lamp;
the communication unit is used for receiving far-field calibration instructions and standard audio sent by the terminal and sending the standard audio to the sound device;
the sound device is used for playing the standard audio, so that the terminal collects far-field signals played by the sound device, far-field audio parameters are obtained according to the far-field signals, first compensation parameters are calculated according to the far-field audio parameters and terminal playing parameters preset by the terminal, and the first compensation parameters are sent to the communication unit;
the communication unit is also used for receiving the first compensation parameter sent by the terminal and sending the first compensation parameter to the sound device;
the sound device is also used for receiving the first compensation parameter sent by the communication unit, performing audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and playing according to the far-field calibration playing parameter.
Another aspect of an embodiment of the present invention provides an audio calibration method, including:
receiving far-field calibration instructions and standard audio sent by a terminal;
playing the standard audio so that the terminal collects far-field signals played by the sound device, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and sending the first compensation parameters to the sound lamp;
receiving a first compensation parameter sent by the terminal;
and performing audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and playing according to the far-field calibration playing parameter.
Another aspect of an embodiment of the present invention provides an audio calibration system, including: an acoustic lamp with a calibrated sound effect and a terminal for calibrating the acoustic lamp;
the sound lamp is used for receiving far-field calibration instructions and standard audio sent by the terminal and playing the standard audio;
the terminal is used for collecting far-field signals played by the sound lamps, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and then sending the first compensation parameters to the sound lamps;
the sound lamp is also used for calibrating the playing parameters according to the first compensation parameters to obtain calibrated far-field calibrated playing parameters, and playing according to the far-field calibrated playing parameters.
Another aspect of an embodiment of the present invention provides an audio calibration system, including: an acoustic lamp with a calibrated sound effect and a terminal for calibrating the acoustic lamp;
the sound lamp is used for receiving far-field calibration instructions and standard audio sent by the terminal and playing the standard audio;
the terminal is used for collecting far-field signals played by the sound lamps, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and then sending the first compensation parameters to the sound lamps;
the sound lamp is also used for calibrating the playing parameters according to the first compensation parameters to obtain calibrated far-field calibrated playing parameters, and playing according to the far-field calibrated playing parameters.
According to the sound lamp capable of calibrating sound effects, the sound effect calibrating method and the sound effect calibrating system, the communication unit is added in the sound lamp, the communication unit receives far-field calibrating instructions and standard audio sent by the terminal and sends the standard audio to the sound device, and the sound device plays the standard audio; acquiring far-field signals played by an acoustic device by utilizing an acoustic calibration device in a terminal, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal play parameters preset by the terminal, and transmitting the first compensation parameters to the communication unit; the sound device receives the first compensation parameter sent by the communication unit, performs audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and plays according to the far-field calibration playing parameter, so that the far-field sound effect of the sound lamp is calibrated by means of the terminal, and the purpose of improving the far-field sound effect of the sound lamp is achieved; meanwhile, no extra equipment specially used for far-field calibration is needed, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an acoustic lamp with adjustable sound effects according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an acoustic lamp with adjustable sound effects according to another embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for calibrating sound effects according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating a method for calibrating sound effects according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of an audio calibration system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic structural diagram of an acoustic lamp capable of calibrating sound effects according to an embodiment of the present invention. As shown in fig. 1, the sound lamp 10 with adjustable sound effect provided in this embodiment includes: the lighting device 11, the acoustic device 12, and the communication unit 14 connected to the acoustic device are provided inside the housing of the acoustic lamp 10, the lighting device 11, the acoustic device 12, and the communication unit 14.
The communication unit 14 is used for receiving far-field calibration instructions and standard audio sent by the terminal and sending the standard audio to the sound device 12.
The audio device 12 is configured to play standard audio, so that the terminal collects far-field signals played by the audio device 12, obtains far-field audio parameters according to the far-field signals, calculates first compensation parameters according to the far-field audio parameters and terminal play parameters preset by the terminal, and sends the first compensation parameters to the communication unit 14.
The communication unit 14 is further configured to receive the first compensation parameter sent by the terminal, and send the first compensation parameter to the audio device 12.
The audio device 12 is further configured to receive the first compensation parameter sent by the communication unit, perform audio calibration processing according to the first compensation parameter, obtain a far-field calibration playing parameter, and play according to the far-field calibration playing parameter.
The terminal playing parameters preset by the terminal are playing parameters corresponding to a playing mode currently set by the terminal, and can be playing parameters corresponding to any one of the playing modes preset in the terminal, wherein the playing modes at least comprise: popular mode, dance music mode, rock mode, and classical mode. The playing parameters of the terminal are the playing parameters corresponding to any preset playing mode in the terminal: popular mode, dance music mode, rock mode, and classical mode. The user can select a play mode preset by the terminal through application software installed on the terminal, such as a popular play mode, a dance music play mode, a rock play mode, a classical play mode and the like, or can set a custom mode through setting play parameters and the like.
In addition, the terminal can be an intelligent terminal with an audio calibration function, such as a mobile phone, a tablet personal computer, an intelligent television and the like, which are held by a user. In addition, because the parameter settings of the playing software of the terminals produced by different manufacturers may be different, the application software installed on the terminal can obtain the playing parameters of the terminal in each playing mode. Specifically, the application software may embed the playing parameters of the terminal of the main stream manufacturer in each playing mode, and obtain the playing parameters of the terminal in each playing mode according to the information of the manufacturer of the terminal.
In this embodiment, the audio device 12 may include an audio digital signal processing unit, an audio power amplifying unit and a speaker, and the audio device 12 may be implemented by any audio device capable of adjusting a playing parameter in the prior art, which is not specifically limited in this embodiment. The lighting device 11 may be implemented by any lighting technology in the prior art, and this embodiment is not particularly limited. For example, the lighting device 11 may be an LED lighting device including an LED driving circuit and an LED light emitting unit.
In this embodiment, the communication unit 14 and the terminal may perform wireless transmission and/or wired transmission, and both may be implemented by any wireless communication technology and/or wired communication technology in the prior art, so that wireless transmission and/or wired transmission may be performed between the two.
When the audio lamp is actually used for playing audio, various objects such as a desk lamp, a floor lamp, a bookshelf, a wardrobe and the like are usually placed around the audio lamp, sound waves are reflected and refracted by the objects to influence normal transmission of the audio, so that the audio is distorted in the process of being transmitted to the position of the user from the audio lamp, the sound effect of the position of the user is poor, the audio calibration device of the terminal of the position of the user can be utilized for performing far-field calibration on the audio lamp, the sound effect of the position of the user is calibrated, the sound effect set by the terminal is more similar to the sound effect set by the user, the sound effect of the position of the user can be improved, and a calibration device for far-field calibration is not required to be additionally arranged, so that the cost can be reduced. For example, the terminal may be a mobile terminal such as a mobile phone held by a user.
According to the embodiment of the invention, the terminal which is arranged separately from the sound lamp is utilized, the far-field signal played by the sound device is collected by utilizing the sound effect calibration device in the terminal, the far-field audio parameter is obtained according to the far-field signal, the first compensation parameter is calculated according to the far-field audio parameter and the terminal play parameter preset by the terminal, and the first compensation parameter is sent to the communication unit; the sound device receives the first compensation parameter sent by the communication unit, performs audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and plays according to the far-field calibration playing parameter, so that the far-field sound effect of the sound lamp is calibrated by means of the terminal, and the purpose of improving the far-field sound effect of the sound lamp is achieved; meanwhile, no extra equipment specially used for far-field calibration is needed, and the cost is reduced.
Optionally, the audio device is further configured to perform audio calibration processing according to the first compensation parameter and a system play parameter preset by the audio lamp, so as to obtain a far-field calibrated play parameter.
The preset system playing parameters of the sound lamp refer to a playing parameter range suitable for the sound lamp, and when the set playing parameters exceed the preset system playing parameters of the sound lamp, the sound device cannot normally play the audio. In this embodiment, the audio device performs calibration processing on the playing parameters according to the first compensation parameter and the system playing parameter preset by the audio lamp, so as to ensure that the calibrated far-field calibration playing parameter is suitable for the audio device, thereby improving the playing sound effect of the audio lamp.
Fig. 2 is a schematic structural diagram of an acoustic lamp capable of calibrating sound effects according to another embodiment of the present invention. On the basis of the embodiment shown in fig. 1, as shown in fig. 2, the sound lamp capable of calibrating sound effects further includes: and an audio calibration device 13 connected to the audio device 12, wherein the audio calibration device 13 is disposed inside the housing of the audio lamp.
The sound effect calibration device 13 includes an audio acquisition unit 131, an amplification conversion unit 132, and an audio calibration unit 133; the audio acquisition unit 131 is connected with the amplification conversion unit 132, the amplification conversion unit 132 is connected with the audio calibration unit 133, and the audio calibration unit 133 is connected with the acoustic device 12.
The audio collection unit 131 is configured to collect a near field signal sent by the audio device, and send the collected near field signal to the amplifying and converting unit 132. Because the audio acquisition unit 131 is arranged in the shell of the sound lamp, the near-field signal played by the sound device can be acquired. In addition, the audio acquisition unit may be implemented with a microphone.
The amplification conversion unit 132 is configured to amplify the near field signal, convert the amplified near field signal into a digital signal, and transmit the digital signal to the audio calibration unit 133.
Based on the embodiment of fig. 1, the audio device 12 is further configured to perform an audio calibration process according to the first compensation parameter, and send the far-field calibration play parameter to the audio calibration unit 133 after obtaining the far-field calibration play parameter.
The audio calibration unit 133 is configured to calculate a near-field audio parameter corresponding to the digital signal, calculate a second compensation parameter according to the near-field audio parameter and the received far-field calibration playing parameter, and send the second compensation parameter to the audio device 12.
The audio device 12 is further configured to calibrate the playing parameter according to the second compensation parameter, obtain a final calibrated playing parameter, and play according to the final calibrated playing parameter.
According to the embodiment of the invention, the sound effect calibration device is added in the sound lamp, the sound effect calibration device can acquire near-field signals of the sound device, amplify and convert the near-field signals to obtain corresponding digital signals, calculate real-time near-field audio parameters according to the digital signals, calculate second compensation parameters according to the real-time near-field audio parameters and far-field calibration play parameters obtained through far-field calibration, and send the second compensation parameters to the sound device, the sound device corrects current play parameters according to the second compensation parameters to obtain final calibration play parameters, plays according to the final calibration play parameters, and performs near-field calibration on the sound lamp on the basis of performing far-field calibration on the sound lamp, so that the far-field and near-field play sound effect of the sound lamp can be improved.
Optionally, the audio device is further configured to calibrate the playing parameter according to the second compensation parameter and a system playing parameter preset by the audio lamp, so as to obtain a final calibrated playing parameter.
In this embodiment, the audio device performs calibration processing on the playing parameters according to the second compensation parameters and the system playing parameters preset by the audio lamp, so as to ensure that the calibrated final calibrated playing parameters are suitable for the audio device, thereby improving the playing sound effect of the audio lamp.
Optionally, based on the above embodiment, the near-field audio parameter includes at least one of frequency, amplitude, and phase, and the system playing parameter includes at least frequency, amplitude, and phase. In this embodiment, the near-field audio parameter may be preset by a technician to be at least one of frequency, amplitude and phase, which is not particularly limited in this embodiment.
If the near-field audio parameter is set to be one of frequency, amplitude and phase in advance, the audio calibration unit is used for calculating the near-field audio parameter corresponding to the digital signal, calculating a first compensation parameter according to the near-field audio parameter and a parameter of a corresponding type in system playing parameters preset by the sound lamp, and sending the first compensation parameter to the sound device, wherein the sound device calibrates the parameter of the corresponding type in the pair according to the first compensation parameter.
For example, if the near-field audio parameter is set to a frequency, the audio calibration unit is configured to calculate a near-field frequency corresponding to the digital signal, calculate a first compensation frequency according to the near-field frequency and a system play frequency in system play parameters preset by the sound lamp, and send the first compensation frequency to the sound device, where the sound device calibrates the play frequency according to the first compensation frequency.
If the pre-near-field audio parameters are set to any two (or three) of frequency, amplitude and phase, the audio calibration unit is configured to calculate two (or three) near-field audio parameters corresponding to the digital signal, calculate first compensation parameters corresponding to the two (or three) parameters respectively according to the two (or three) near-field audio parameters and two (or three) parameters corresponding to the type of system play parameters preset by the audio lamp, and send the first compensation parameters to the audio device, where the audio device calibrates the corresponding type of parameters in the play parameters according to the first compensation parameters corresponding to the different types of parameters.
For example, assuming that the near-field audio parameter is set to a frequency and an amplitude, the audio calibration unit is configured to calculate a near-field frequency and a near-field amplitude corresponding to the digital signal, calculate a first compensation frequency corresponding to the frequency parameter and a first compensation amplitude corresponding to the amplitude parameter according to the near-field frequency and the near-field amplitude and a system play frequency and a system play amplitude among system play parameters preset by the acoustic lamp, and send the first compensation frequency and the first compensation amplitude to the acoustic device, and the acoustic device calibrates the play frequency according to the first compensation frequency and calibrates the play amplitude according to the first compensation amplitude.
The embodiment of the invention can realize the independent calibration of any one of the frequency, the amplitude and the phase in the playing parameters of the sound device by presetting the near-field audio parameters to be at least one of the frequency, the amplitude and the phase, and can also realize the simultaneous calibration of any two or three of the frequency, the amplitude and the phase in the playing parameters of the sound device, thereby improving the flexibility of sound effect calibration and further improving the playing sound effect of the sound lamp.
Fig. 3 is a flowchart of an audio calibration method according to an embodiment of the present invention. The process flow of the method provided in this embodiment may be specifically performed by the sound lamp with adjustable sound effect provided in the embodiment shown in fig. 1. As shown in fig. 3, the method specifically comprises the following steps:
step S301, receiving far field calibration instructions and standard audio sent by a terminal.
Step S302, playing standard audio so that the terminal collects far-field signals played by the sound device, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and feeding back the first compensation parameters.
Wherein the near-field audio parameters include at least one of frequency, amplitude and phase, and the system playback parameters include at least frequency, amplitude and phase.
In this embodiment, the near-field audio parameter may be preset by a technician to be at least one of frequency, amplitude and phase, which is not particularly limited in this embodiment.
If the near-field audio parameter is set to be one of frequency, amplitude and phase in advance, the audio calibration unit is used for calculating the near-field audio parameter corresponding to the digital signal, calculating a first compensation parameter according to the near-field audio parameter and a parameter of a corresponding type in system playing parameters preset by the sound lamp, and sending the first compensation parameter to the sound device, wherein the sound device calibrates the parameter of the corresponding type in the pair according to the first compensation parameter.
For example, if the near-field audio parameter is set to a frequency, the audio calibration unit is configured to calculate a near-field frequency corresponding to the digital signal, calculate a first compensation frequency according to the near-field frequency and a system play frequency in system play parameters preset by the sound lamp, and send the first compensation frequency to the sound device, where the sound device calibrates the play frequency according to the first compensation frequency.
If the pre-near-field audio parameters are set to any two (or three) of frequency, amplitude and phase, the audio calibration unit is configured to calculate two (or three) near-field audio parameters corresponding to the digital signal, calculate first compensation parameters corresponding to the two (or three) parameters respectively according to the two (or three) near-field audio parameters and two (or three) parameters corresponding to the type of system play parameters preset by the audio lamp, and send the first compensation parameters to the audio device, where the audio device calibrates the corresponding type of parameters in the play parameters according to the first compensation parameters corresponding to the different types of parameters.
For example, assuming that the near-field audio parameter is set to a frequency and an amplitude, the audio calibration unit is configured to calculate a near-field frequency and a near-field amplitude corresponding to the digital signal, calculate a first compensation frequency corresponding to the frequency parameter and a first compensation amplitude corresponding to the amplitude parameter according to the near-field frequency and the near-field amplitude and a system play frequency and a system play amplitude among system play parameters preset by the acoustic lamp, and send the first compensation frequency and the first compensation amplitude to the acoustic device, and the acoustic device calibrates the play frequency according to the first compensation frequency and calibrates the play amplitude according to the first compensation amplitude.
The embodiment of the invention can realize the independent calibration of any one of the frequency, the amplitude and the phase in the playing parameters of the sound device by presetting the near-field audio parameters to be at least one of the frequency, the amplitude and the phase, and can also realize the simultaneous calibration of any two or three of the frequency, the amplitude and the phase in the playing parameters of the sound device, thereby improving the flexibility of sound effect calibration and further improving the playing sound effect of the sound lamp.
Step S303, receiving a first compensation parameter sent by the terminal.
And step S304, performing audio calibration processing according to the first compensation parameters to obtain far-field calibration playing parameters, and playing according to the far-field calibration playing parameters.
Optionally, this step may be implemented in the following manner:
performing audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, including: and performing audio calibration processing according to the first compensation parameter and a system playing parameter preset by the sound lamp to obtain a far-field calibration playing parameter.
The preset system playing parameters of the sound lamp refer to a playing parameter range suitable for the sound lamp, and when the set playing parameters exceed the preset system playing parameters of the sound lamp, the sound device cannot normally play the audio. In this embodiment, the audio device performs calibration processing on the playing parameters according to the first compensation parameter and the system playing parameter preset by the audio lamp, so as to ensure that the calibrated far-field calibration playing parameter is suitable for the audio device, thereby improving the playing sound effect of the audio lamp.
The method provided by the embodiment of the present invention may be specifically executed by the sound lamp with adjustable sound effect provided by the embodiment shown in fig. 1, and the specific execution process is not repeated here.
According to the embodiment of the invention, the terminal which is arranged separately from the sound lamp is utilized, the far-field signal played by the sound device is collected by utilizing the sound effect calibration device in the terminal, the far-field audio parameter is obtained according to the far-field signal, the first compensation parameter is calculated according to the far-field audio parameter and the terminal play parameter preset by the terminal, and the first compensation parameter is sent to the communication unit; the sound device receives the first compensation parameter sent by the communication unit, performs audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and plays according to the far-field calibration playing parameter, so that the far-field sound effect of the sound lamp is calibrated by means of the terminal, and the purpose of improving the far-field sound effect of the sound lamp is achieved; meanwhile, no extra equipment specially used for far-field calibration is needed, and the cost is reduced.
Fig. 4 is a flowchart of an audio calibration method according to another embodiment of the present invention. On the basis of the embodiment shown in fig. 3, as shown in fig. 4, the specific steps of the method are as follows:
step S401, receiving far field calibration instructions and standard audio sent by a terminal.
Step S402, playing standard audio so that the terminal collects far-field signals played by the sound device, acquires far-field audio parameters according to the far-field signals, calculates first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and feeds back the first compensation parameters.
Wherein the near-field audio parameters include at least one of frequency, amplitude and phase, and the system playback parameters include at least frequency, amplitude and phase.
Step S403, receiving a first compensation parameter sent by a terminal, and performing audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter.
The steps S401 to S403 are the process of obtaining the far-field calibration playing parameters by using the terminal to perform far-field calibration on the sound lamp.
And S404, collecting a near-field signal sent by the sound lamp, amplifying the near-field signal, converting the amplified audio signal into a digital signal, and calculating a near-field audio parameter corresponding to the digital signal.
The step S404 and the steps S401 to S403 may be performed in parallel, and the order of execution of the step S404 and the steps S401 to S403 is not particularly limited in this embodiment.
Step S405, calculating a second compensation parameter according to the near-field audio parameter and the far-field calibration playing parameter.
The step calculates a second compensation parameter according to the near-field audio parameter obtained in the step S404 and the far-field calibration playing parameter obtained in the step S403.
And step S406, performing calibration processing on the playing parameters according to the second compensation parameters to obtain final calibrated playing parameters, and playing according to the final calibrated playing parameters.
Alternatively, this step may be implemented as follows:
and calibrating the playing parameters according to the second compensation parameters and the system playing parameters preset by the sound lamp to obtain final calibrated playing parameters.
In this embodiment, the audio device performs calibration processing on the playing parameters according to the first compensation parameter and the system playing parameter preset by the audio lamp, so as to ensure that the calibrated far-field calibration playing parameter is suitable for the audio device, thereby improving the playing sound effect of the audio lamp.
According to the embodiment of the invention, the near-field signals of the sound device are acquired, amplified and converted to obtain the corresponding digital signals, real-time near-field audio parameters are calculated according to the digital signals, second compensation parameters are calculated according to the real-time near-field audio parameters and far-field calibration playing parameters obtained through far-field calibration, the current playing parameters are corrected according to the second compensation parameters, final calibration playing parameters are obtained, the sound lamp is played according to the final calibration playing parameters, and near-field calibration is carried out on the sound lamp on the basis of far-field calibration, so that the playing sound effects of the far field and the near field of the sound lamp can be improved.
Fig. 5 is a schematic structural diagram of an audio calibration system according to an embodiment of the present invention. As shown in fig. 5, the sound effect calibration system 20 includes: an acoustic lamp 10 with a calibratable sound effect, and a terminal 30 for calibrating the acoustic lamp 10.
The sound lamp 10 is configured to receive a far-field calibration instruction and standard audio sent by the terminal, and play the standard audio.
The terminal 30 is configured to collect far-field signals played by the acoustic lamp 10, obtain far-field audio parameters according to the far-field signals, calculate first compensation parameters according to the far-field audio parameters and terminal play parameters preset by the terminal, and send the first compensation parameters to the acoustic lamp;
the sound lamp 10 is further configured to calibrate the playing parameter according to the first compensation parameter, obtain a calibrated far-field calibrated playing parameter, and play according to the far-field calibrated playing parameter.
The sound lamp 10 with adjustable sound effect in this embodiment may be any sound lamp with adjustable sound effect provided in the above embodiment, and this embodiment is not described here again.
According to the embodiment of the invention, a terminal which is arranged separately from an acoustic lamp is utilized, a far-field signal played by the acoustic device is acquired by utilizing an acoustic calibration device in the terminal, a far-field audio parameter is acquired according to the far-field signal, a first compensation parameter is calculated according to the far-field audio parameter and a terminal playing parameter preset by the terminal, and the first compensation parameter is sent to the communication unit; the sound device receives the first compensation parameter sent by the communication unit, performs audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and plays according to the far-field calibration playing parameter, so that the far-field sound effect of the sound lamp is calibrated by means of the terminal, and the purpose of improving the far-field sound effect of the sound lamp is achieved; meanwhile, no extra equipment specially used for far-field calibration is needed, and the cost is reduced.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in hardware plus software functional units.
The integrated units implemented in the form of software functional units described above may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to perform part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to perform all or part of the functions described above. The specific working process of the above-described device may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (13)
1. An acoustic lamp with calibrated sound effects, comprising: the device comprises a lighting device, an acoustic device and a communication unit connected with the acoustic device, wherein the lighting device, the acoustic device and the communication unit are arranged in a shell of an acoustic lamp;
the communication unit is used for receiving far-field calibration instructions and standard audio sent by the terminal and sending the standard audio to the sound device;
the sound device is used for playing the standard audio, so that the terminal collects far-field signals played by the sound device, far-field audio parameters are obtained according to the far-field signals, first compensation parameters are calculated according to the far-field audio parameters and terminal playing parameters preset by the terminal, and the first compensation parameters are sent to the communication unit;
the communication unit is also used for receiving the first compensation parameter sent by the terminal and sending the first compensation parameter to the sound device;
the sound device is also used for receiving the first compensation parameter sent by the communication unit, performing audio calibration processing according to the first compensation parameter to obtain a far-field calibration playing parameter, and playing according to the far-field calibration playing parameter;
further comprises: the sound effect calibration device is connected with the sound device and is arranged in the shell of the sound lamp;
the sound effect calibration device comprises an audio acquisition unit, an amplifying and converting unit and an audio calibration unit; the audio acquisition unit is connected with the amplification conversion unit, the amplification conversion unit is connected with the audio calibration unit, and the audio calibration unit is connected with the sound device;
the audio acquisition unit is used for acquiring a near field signal sent by the sound device and sending the acquired near field signal to the amplification conversion unit;
the amplifying and converting unit is used for amplifying the near field signal, converting the amplified near field signal into a digital signal and transmitting the digital signal to the audio calibration unit;
the sound device is also used for sending the far-field calibration playing parameters to the audio calibration unit;
the audio calibration unit is used for calculating a near-field audio parameter corresponding to the digital signal, calculating a second compensation parameter according to the near-field audio parameter and the far-field calibration play parameter, and sending the second compensation parameter to the sound device;
the sound device is also used for carrying out calibration processing on the playing parameters according to the second compensation parameters to obtain final calibrated playing parameters, and playing is carried out according to the final calibrated playing parameters.
2. An acoustic lamp with calibrated sound effect according to claim 1,
the sound device is further used for performing audio calibration processing according to the first compensation parameter and the system playing parameter preset by the sound lamp to obtain the far-field calibration playing parameter.
3. An acoustic lamp with calibrated sound effect according to claim 1,
and the sound device is also used for calibrating the playing parameters according to the second compensation parameters and the system playing parameters preset by the sound lamp to obtain final calibrated playing parameters.
4. An acoustic lamp with calibrated sound effect according to claim 2,
the near-field audio parameters include at least one of frequency, amplitude, and phase;
the system playing parameters at least comprise frequency, amplitude and phase.
5. A method of sound calibration comprising:
receiving far-field calibration instructions and standard audio sent by a terminal;
playing the standard audio so that the terminal collects far-field signals played by the sound device, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and feeding back the first compensation parameters;
receiving a first compensation parameter sent by the terminal;
performing audio calibration processing according to the first compensation parameters to obtain far-field calibration playing parameters, and playing according to the far-field calibration playing parameters;
the method further comprises the steps of:
collecting a near field signal sent by the sound lamp, amplifying the near field signal, converting the amplified audio signal into a digital signal, and calculating a near field audio parameter corresponding to the digital signal;
correspondingly, after performing audio calibration processing according to the first compensation parameter to obtain a far-field calibrated playing parameter, the method further comprises the following steps:
calculating a second compensation parameter according to the near-field audio parameter and the far-field calibration playing parameter;
and calibrating the playing parameters according to the second compensation parameters to obtain final calibrated playing parameters, and playing according to the final calibrated playing parameters.
6. The method for calibrating sound effects according to claim 5, wherein performing audio calibration processing according to the first compensation parameter to obtain a far-field calibrated playback parameter comprises:
and performing audio calibration processing according to the first compensation parameter and the system playing parameter preset by the sound lamp to obtain a far-field calibration playing parameter.
7. The method for calibrating sound effects according to claim 6, wherein calibrating the playing parameters according to the second compensation parameters to obtain final calibrated playing parameters comprises:
and calibrating the playing parameters according to the second compensation parameters and the system playing parameters preset by the sound lamp to obtain final calibrated playing parameters.
8. The method for calibrating sound effects according to claim 6, wherein,
the near-field audio parameters include at least one of frequency, amplitude, and phase;
the system playing parameters at least comprise frequency, amplitude and phase.
9. An acoustic calibration system, comprising: an acoustic lamp with a calibrated sound effect and a terminal for calibrating the acoustic lamp;
the sound lamp is used for receiving far-field calibration instructions and standard audio sent by the terminal and playing the standard audio;
the terminal is used for collecting far-field signals played by the sound lamps, acquiring far-field audio parameters according to the far-field signals, calculating first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and then sending the first compensation parameters to the sound lamps;
the sound lamp is also used for calibrating the playing parameters according to the first compensation parameters to obtain calibrated far-field calibrated playing parameters, and playing according to the far-field calibrated playing parameters;
the sound lamp further comprises a sound effect calibration device connected with the sound device, and the sound effect calibration device is arranged in the shell of the sound lamp;
the sound effect calibration device comprises an audio acquisition unit, an amplifying and converting unit and an audio calibration unit; the audio acquisition unit is connected with the amplification conversion unit, the amplification conversion unit is connected with the audio calibration unit, and the audio calibration unit is connected with the sound device;
the audio acquisition unit is used for acquiring a near field signal sent by the sound device and sending the acquired near field signal to the amplification conversion unit;
the amplifying and converting unit is used for amplifying the near-field signal, converting the amplified audio signal into a digital signal and transmitting the digital signal to the audio calibration unit;
the sound device is also used for sending the far-field calibration playing parameters to the audio calibration unit;
the audio calibration unit is used for calculating a near-field audio parameter corresponding to the digital signal, calculating a second compensation parameter according to the near-field audio parameter and the far-field calibration play parameter, and sending the second compensation parameter to the sound device;
the sound device is also used for carrying out calibration processing on the playing parameters according to the second compensation parameters to obtain final calibrated playing parameters, and playing is carried out according to the final calibrated playing parameters.
10. The sound calibration system of claim 9, wherein,
the sound lamp includes: the device comprises a lighting device, an acoustic device and a communication unit connected with the acoustic device, wherein the lighting device, the acoustic device and the communication unit are arranged in a shell of an acoustic lamp;
the communication unit is connected with the terminal;
the communication unit is used for receiving far-field calibration instructions and standard audio sent by the terminal and sending the standard audio to the sound device;
the sound device is used for playing the standard audio, so that the terminal collects far-field signals played by the sound device, amplifies the far-field signals, converts the amplified far-field signals into digital signals, calculates far-field audio parameters corresponding to the digital signals, calculates first compensation parameters according to the far-field audio parameters and terminal playing parameters preset by the terminal, and sends the first compensation parameters to the communication unit;
the communication unit is used for receiving the first compensation parameter sent by the terminal and sending the first compensation parameter to the sound device;
the sound device is used for receiving the first compensation parameter sent by the communication unit, calibrating the playing parameter according to the first compensation parameter to obtain a calibrated far-field calibrated playing parameter, and playing according to the far-field calibrated playing parameter.
11. The sound calibration system of claim 10, wherein,
the sound device is further used for performing audio calibration processing according to the first compensation parameter and the system playing parameter preset by the sound lamp to obtain far-field calibration playing parameters.
12. The sound calibration system of claim 9, wherein,
and the sound device is also used for calibrating the playing parameters according to the second compensation parameters and the system playing parameters preset by the sound lamp to obtain final calibrated playing parameters.
13. The sound calibration system of claim 9, wherein,
the far-field audio parameters include at least one of frequency, amplitude, and phase;
the terminal playing parameters at least comprise frequency, amplitude and phase.
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