WO2021103760A1 - 一种智能音箱音效自适应调整方法、系统及存储介质 - Google Patents
一种智能音箱音效自适应调整方法、系统及存储介质 Download PDFInfo
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
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- the present disclosure relates to the technical field of intelligent control, to the technical field of speaker tuning, and in particular to a method, system and storage medium for adaptively adjusting the sound effect of a smart speaker.
- smart speaker As a kind of smart device, smart speaker is an important part of smart home. Smart speakers have been given many functions, such as helping users to check music, check the weather, chat, dialogue, etc., but its essence and core function is still to emit sound as a sound source.
- users need to use mobile phone microphones and other equipment to match the specific audio of the speakers to scan the entire room boundary to fine-tune the human voice, reverberation, chorus, etc., so that the speakers Adapt to the room environment to achieve better results. More preferably, after the installation of the speaker equipment is completed and before it is delivered for use, a professional audio engineer will detect the sound through the pickup, and then fine-tune the speaker to ensure that the sound from the speaker can achieve the best effect.
- the technical problem to be solved by the present disclosure is to provide a method, system and storage medium for adaptive adjustment of sound effects of smart speakers in view of the above-mentioned defects of the prior art, which can use mutually independent sound signal sending units and sound signal receiving units for testing. So as to realize the automatic adaptive adjustment of the sound effect of the smart speaker.
- a method for adaptively adjusting the sound effect of a smart speaker The smart speaker is provided with at least three sound signal sending units and at least three sound signal receiving units, and the sound signal sending unit and the sound signal receiving unit are in one-to-one correspondence,
- the method is to adaptively adjust the sound effects of each sound signal sending unit in sequence, and the adaptive adjustment of the sound effects of each sound signal sending unit includes the following steps:
- the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit receive the tuning feedback signal reflected by the original tuning signal;
- the spatial position parameter includes an angle parameter and an amplitude parameter
- the sound effect of the sound signal sending unit that sends out the original tuning signal is adjusted adaptively.
- each sound signal sending unit on the smart speaker is independently controllable, and multiple sound signal receiving units can receive the tuning feedback signal omnidirectionally, using the original tuning
- the signal and tuning feedback signal obtain the space position parameters of the smart speaker, and obtain the corresponding sound effect compensation parameters by processing the space position parameters, and then adaptively adjust the sound effect of the smart speaker according to the sound effect compensation parameters, thereby realizing the sound effect of the smart speaker adjust. It solves the problem that the smart speaker cannot adaptively adjust the sound effect parameters due to the difference in the space environment, which leads to poor hearing. This makes the sound more open, the stereo and low frequency are stronger, and the sound experience is improved.
- obtaining the angle parameter according to the tuning feedback signal specifically includes the following steps:
- the signal sending time being the corresponding time when the sound signal sending unit sends out the original signal for tuning
- the signal receiving time is the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit respectively receive the tuning feedback The time corresponding to the signal;
- the beneficial effect of adopting the above solution is that the positional relationship between each sound signal sending unit and the surrounding environment can be reflected by the angle parameter, and the angle parameter corresponding to the sound signal sending unit is related to the signal sending time and the signal receiving time.
- the signal sending time and signal receiving time can be quantified to obtain the angle parameter, which provides a basis for further obtaining the sound effect compensation parameter.
- obtaining the amplitude parameter according to the tuning feedback signal specifically includes the following steps:
- the beneficial effect of adopting the above solution is that in addition to the angle parameter, the positional relationship between each sound signal sending unit and the surrounding environment can also be reflected by the amplitude parameter.
- a sound signal sending unit sends out the original tuning signal, which corresponds to it.
- the sound signal receiving unit can receive the tuning feedback signal, and the two sound signal receiving units adjacent to this sound signal receiving unit can also receive the tuning feedback signal.
- analyze The maximum value MAX and average value AVG can be obtained to obtain the amplitude parameter, which provides a basis for further obtaining the sound effect compensation parameter.
- the smart speaker is also provided with an acceleration sensing unit, and before adaptively adjusting the sound effects of each sound signal sending unit in turn, it further includes the following steps:
- the sound effect of each sound signal sending unit is adaptively adjusted in sequence; otherwise, the sound effect of each sound signal sending unit is not adaptively adjusted.
- the beneficial effect of adopting the above solution is that the acceleration sensor unit detects whether the position of the smart speaker has moved, and when the user moves the smart speaker, the smart speaker can reacquire the sound effect compensation parameters and automatically adjust the sound effect adaptively.
- the frequency of the original tuning signal sent by the sound signal sending unit is 20Hz-40KHz, and the amplitude of the original tuning signal sent by the sound signal sending unit is 70-90dB.
- the beneficial effect of adopting the above scheme is: the frequency of the original tuning signal is 20Hz-40KHz and the amplitude is 70-90dB, which can reduce the attenuation of the reflected tuning feedback signal, so that the sound signal receiving unit can receive a clearer and complete tuning.
- the sound feedback signal helps to obtain the optimal sound effect compensation parameters.
- a sound effect adaptive adjustment system for a smart speaker the smart speaker is provided with at least three sound signal sending units and at least three sound signal receiving units, and the sound signal sending unit and the sound signal receiving unit are in one-to-one correspondence;
- the system includes a processor, a memory, and a communication bus;
- a program executable by the processor is stored on the memory
- the communication bus realizes connection and communication between the processor and the memory
- the processor executes a program to adaptively adjust the sound effects of each sound signal sending unit in turn, and the adaptive adjustment of the sound effects of each sound signal sending unit includes the following steps:
- the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit receive the tuning feedback signal reflected by the original tuning signal;
- the spatial position parameter includes an angle parameter and an amplitude parameter
- the sound signal sending unit that sends out the original tuning signal is adaptively adjusted.
- each sound signal sending unit on the smart speaker is independently controllable, and multiple sound signal receiving units can receive the tuning feedback signal omnidirectionally, using the original tuning
- the signal and tuning feedback signal obtain the space position parameters of the smart speaker, and obtain the corresponding sound effect compensation parameters by processing the space position parameters, and then adaptively adjust the sound effect of the smart speaker according to the sound effect compensation parameters, thereby realizing the sound effect of the smart speaker adjust. It solves the problem that the smart speaker cannot adaptively adjust the sound effect parameters due to the difference in the space environment, which leads to poor hearing. This makes the sound more open, the stereo and low frequency are stronger, and the sound experience is improved.
- obtaining the angle parameter according to the tuning feedback signal specifically includes the following steps:
- the signal sending time being the corresponding time when the sound signal sending unit sends out the original signal for tuning
- the signal receiving time is the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit respectively receive the tuning feedback The time corresponding to the signal;
- the beneficial effect of adopting the above solution is that the positional relationship between each sound signal sending unit and the surrounding environment can be reflected by the angle parameter, and the angle parameter corresponding to the sound signal sending unit is related to the signal sending time and the signal receiving time.
- the signal sending time and signal receiving time can be quantified to obtain the angle parameter, which provides a basis for further obtaining the sound effect compensation parameter.
- obtaining the amplitude parameter according to the tuning feedback signal specifically includes the following steps:
- the beneficial effect of adopting the above solution is that in addition to the angle parameter, the positional relationship between each sound signal sending unit and the surrounding environment can also be reflected by the amplitude parameter.
- a sound signal sending unit sends out the original tuning signal, which corresponds to it.
- the sound signal receiving unit can receive the tuning feedback signal, and the two sound signal receiving units adjacent to this sound signal receiving unit can also receive the tuning feedback signal.
- analyze The maximum value MAX and average value AVG can be obtained to obtain the amplitude parameter, which provides a basis for further obtaining the sound effect compensation parameter.
- the smart speaker is also provided with an acceleration sensing unit, and before adaptively adjusting the sound effects of each sound signal sending unit in turn, it further includes the following steps:
- the sound effect of each sound signal sending unit is adaptively adjusted in sequence; otherwise, the sound effect of each sound signal sending unit is not adaptively adjusted.
- the beneficial effect of adopting the above solution is that the acceleration sensor unit detects whether the position of the smart speaker has moved, and when the user moves the smart speaker, the smart speaker can reacquire the sound effect compensation parameters and automatically adjust the sound effect adaptively.
- a computer-readable storage medium that stores one or more programs, and the one or more programs can be executed by one or more processors to execute the foregoing method.
- Fig. 1 is a flowchart of a method for adaptively adjusting sound effects of a smart speaker of the present disclosure.
- Fig. 2 is a schematic diagram of an adaptive sound effect adjustment system of a smart speaker of the present disclosure.
- Fig. 3 is a schematic structural diagram of a sound signal receiving unit of a smart speaker in a system for adaptively adjusting sound effects of a smart speaker of the present disclosure.
- a method for adaptively adjusting sound effects of a smart speaker is provided with at least three sound signal sending units and at least three sound signal receiving units.
- the sound signal sending unit and the sound signal receiving unit are in one-to-one correspondence, and the method is to adaptively adjust the sound effects of each sound signal sending unit in turn.
- the adaptive adjustment of the sound effect of each sound signal sending unit includes the following steps:
- Step S Control one of the sound signal sending units to send out the original tuning signal
- Step S2 The sound signal receiving unit corresponding to the sound signal sending unit that emits the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit receive the tuning feedback signal reflected from the original tuning signal ;
- Step S3. Acquire spatial position parameters according to the tuning feedback signal, where the spatial position parameters include angle parameters and amplitude parameters;
- Step S4 Acquire the sound effect compensation parameter according to the angle parameter and the amplitude parameter
- Step S5. Adaptively adjust the sound signal sending unit that emits the original tuning signal according to the sound effect compensation parameter.
- Smart speakers have a cylindrical structure.
- the smart speakers are provided with a one-to-one corresponding sound signal sending unit and a sound signal receiving unit, wherein there are at least three sound signal sending units and sound signal receiving units.
- the smart speaker is provided with six sound signal sending units and six sound signal receiving units.
- the six independently controllable sound signal sending units are arranged 360 degrees below the smart speaker, and the six independently controllable The sound signal receiving unit is arranged in a 360-degree surround above the smart speaker.
- the one-to-one correspondence between the sound signal sending unit and the sound signal receiving unit means that a sound signal receiving unit is provided on the corresponding upper side of each sound signal sending unit.
- the original tuning signal can be sent to all directions in the room, and it can also receive the tuning feedback signals reflected from all directions to ensure that no matter what the smart speaker is in any direction. All angles and directions can be automatically tuned to achieve omnidirectional pickup response.
- the sound signal sending unit is a speaker
- the sound signal receiving unit is a microphone array or a microphone.
- the sound signal sending unit is the sound component of the smart speaker when it is working.
- the three sound signal sending units are respectively defined as the No. 1 sound signal sending unit, the No. 2 sound signal sending unit and the No. 3 sound signal sending unit.
- the three sound signal receiving units are respectively defined as the No. 1 sound signal receiving unit and the No. 2 sound signal.
- the receiving unit and the No. 3 sound signal receiving unit wherein the No. 2 sound signal sending unit and the No. 3 sound signal sending unit are respectively arranged on both sides of the No. 1 sound signal sending unit, the No. 2 sound signal receiving unit and the No. 3 sound signal receiving unit They are respectively arranged on both sides of the No. 1 sound signal receiving unit.
- step S1 the first sound signal sending unit is controlled to work.
- the first sound signal sending unit sends out the original tuning signal.
- the original tuning signal is transmitted in the room and will be reflected back when it encounters obstacles such as furniture, walls, and ceilings. Form a tuning feedback signal.
- step S2 "the sound signal sending unit that sends out the original tuning signal” is the sound signal sending unit No. 1, and the sound signal receiving unit corresponding to the sound signal sending unit No. 1 is the sound signal receiving unit No. 1.
- the two adjacent sound signal receiving units of the sound signal receiving unit are the No. 2 sound signal receiving unit and the No. 3 sound signal receiving unit respectively.
- Step S2 is specifically: the tuning feedback signal reflected from the original tuning signal will be received by the first sound signal receiving unit, and similarly, it will also be received by the second sound signal receiving unit and the third sound signal receiving unit.
- step S3 after each sound signal receiving unit receives the tuning feedback signal, the system then obtains the spatial position parameter according to the tuning feedback signal, and the spatial position parameter includes an angle parameter and an amplitude parameter.
- step S4 the sound effect compensation parameter is obtained according to the angle parameter and the amplitude parameter.
- the sound effect compensation parameter is related to the spatial position of the smart speaker, and the corresponding sound effect compensation parameter can be obtained through the spatial position parameter.
- step S5 the system adaptively adjusts the sound effect of the sound signal sending unit that emits the original tuning signal according to the sound effect compensation parameter. So far, the first sound signal sending unit is completed. For the No. 2 sound signal sending unit and No. 3 sound signal sending unit, the tuning can be completed only by adopting the same method.
- the adaptive adjustment according to the sound effect compensation parameter is the process of the smart speaker adjusting its working state according to the sound effect compensation parameter.
- the innovation of the present disclosure is not here, but how to obtain the sound effect compensation parameter. In the prior art Any technical solution that can adjust the working state of the speaker according to the sound effect compensation parameter can be applied to this technical solution.
- Each sound signal sending unit on the smart speaker is independently controllable, plus multiple sound signal receiving units can receive the tuning feedback signal omnidirectionally.
- the sound effect of each sound signal sending unit is adaptively adjusted in turn. Control the sound signal sending unit in a clockwise or counterclockwise direction to send the original tuning signal in turn, and the sound signal receiving unit corresponding to this sound signal sending unit and the two groups of sound signal receiving units adjacent to this sound signal receiving unit will all receive To the reflected tuning feedback signal, until all the sound signal sending units all send signals are completed. Use the original tuning signal and the tuning feedback signal to obtain the spatial position parameters of the smart speaker.
- the corresponding sound effect compensation parameters are obtained by processing the spatial position parameters, and then the sound effects of each sound signal sending unit in the smart speaker are performed according to the sound effect compensation parameters.
- Self-adaptive adjustment so as to realize the sound adjustment of the smart speaker. It solves the problem that the smart speaker cannot adaptively adjust the sound effect parameters due to the difference in the space environment, which leads to poor hearing. This makes the sound more open, the stereo and low frequency are stronger, and the sound experience is improved.
- Embodiment 2 since different sound signal receiving units are at different positions from the obstacle, the moments when different sound signal receiving units receive the tuning feedback signal are different.
- the distance between each sound signal receiving unit is determined and known, according to the angle ⁇ and the phase between the connection of two adjacent sound signal receiving units and the obstacle.
- the distance between adjacent sound signal receiving units can identify the time difference t0 of the tuning feedback signals received by two adjacent sound signal receiving units.
- Obtaining angle parameters according to the tuning feedback signal specifically includes the following steps:
- the signal sending time being the corresponding time when the sound signal sending unit sends out the original signal for tuning
- the signal receiving time is the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit respectively receive the tuning feedback The time corresponding to the signal;
- A is the first sound signal receiving unit
- B is the second sound signal receiving unit
- F is the third sound signal receiving unit.
- the sound signal receiving units adjacent to A are B and F, respectively.
- the angle between the AB line and the obstacle is ⁇
- the range of ⁇ is 0-180 degrees.
- the auxiliary line is parallel to the AB line
- the distance between A and B and the distance between A and F Equal both are L.
- V ⁇ t2/2-V ⁇ t1/2 L ⁇ sin ⁇
- V ⁇ (t2-t1) 2L ⁇ sin ⁇
- the time difference t0 is a function of ⁇ , and the range of ⁇ is 0-180 degrees. You only need to record the signal sending time and the signal receiving time. From the signal sending time and the signal receiving time to get t1, t2, and t3, you can get every The angle parameter of a sound signal sending unit. In the same way, as long as the above operations are performed on each sound signal sending unit in turn, the angle parameters of all the sound signal sending units can be obtained.
- obtaining the amplitude parameter according to the tuning feedback signal specifically includes the following steps:
- the amplitude parameter can be obtained, which provides a basis for further obtaining the sound effect compensation parameter.
- the sound signal receiving unit A and the two adjacent sound signal receiving units are B and F, respectively.
- the sound signal sending unit corresponding to A directly above sends out the tuning original signal after being reflected by obstacles, and will be reflected by A, B, F receives, and obtains the maximum value MAX and the average value AVG of the three tuning feedback signals.
- the calculation formula of the sound effect compensation parameter is:
- f(MAX, AVG) ⁇ 0 C represents the maximum output amplitude supported by the sound signal sending unit, this value is determined by the physical characteristics of the sound signal sending unit, and Y represents the sound effect compensation parameter of the sound signal sending unit.
- f(MAX, AVG) is a function with the maximum value MAX and the average value AVG as variables, used to reflect the amplitude parameter, and its function is to judge the distance of the smart speaker from the obstacle.
- f(MAX, AVG) is smaller; when the difference between the maximum value MAX and the average AVG is smaller, it means that the smart speaker is away from the obstacle The farther the object is, the larger f(MAX, AVG).
- the position of the speaker in the use environment can be estimated, and the sound is projected to the center of the environment as the optimal target, and the corresponding channel phase adjustment, reverberation time, and delay time can be performed. Adjustment and gain adjustment. For example, when the speaker is placed in a corner through the analysis of the above-mentioned adaptive adjustment method, if six groups of speakers sound at the same time, the signals of the three groups of speakers closest to the corner will be superimposed, and after being reflected by the corner obstacles, they will interact with the three groups of speakers far away from the corner. The sound is superimposed, because the delay will cause confusion in the sound field.
- the three groups of speakers close to the corner are adjusted for phase, reverberation time, delay time, and gain adjustment. Cancel the signal emitted by the speaker or reaching the corner after reflection to avoid confusion in the sound field.
- the playback mode of the six sets of speakers is automatically adjusted, and the sound is divided into three different left, middle and right channels, virtualizing 3D surround sound effects, creating a listening environment with the best sound field, and improving the sound effect in the center of the environment Experience: When the speaker is placed in the center of the room, a 360-degree uniform sound field is created, and uniform sound is transmitted to the surroundings, which enhances the sound experience in the center of the environment.
- the speakers and built-in microphones of each channel have the same acoustic performance.
- standard tests are carried out in a professional acoustic environment.
- a test mode is set. Only the speaker of one of the channels is allowed to sound, play the pink noise signal in the test mode, use the corresponding microphone to record the adjusted pink noise signal output by the speaker, and use the FFT (Fast Fourier Transform) algorithm to convert the time domain signal into frequency. Domain signal, the data is used as the standard amplitude-frequency response reference curve.
- each group of speakers separately emits a standard pink noise signal, corresponding to the pink noise signal received by the microphone, and analyzes the received pink noise signal through the FFT algorithm to form the amplitude-frequency response curve of the current channel and environment. Compare the curve with the standard reference curve, if the detected amplitude-frequency response curve is inconsistent with the standard reference curve, then adjust the gain of the corresponding frequency band.
- the sound signal sending unit and the sound signal receiving unit are in a one-to-one correspondence.
- one of the sound signal sending units can be controlled in a clockwise or counterclockwise direction to send A pulse signal with a frequency of 20KHz and an amplitude of 80dB.
- the signal attenuation is relatively large, which is not conducive to the sound signal receiving unit collecting and analyzing the reflected signals. Therefore, selecting a pulse signal with a frequency of 20KHz can improve The receiving efficiency of the sound signal receiving unit.
- the sound amplitude will be attenuated by 6dB every time the distance is doubled.
- a signal with an amplitude of 80dB is selected to reduce the need for the tuning signal. attenuation.
- the frequency of the original tuning signal is 20Hz-40KHz and the amplitude is 70-90dB, which can reduce the attenuation of the reflected tuning feedback signal, so that the sound signal receiving unit can receive a clearer and complete tuning feedback signal , Which helps to obtain the best sound compensation parameters.
- the smart speaker is further provided with an acceleration sensing unit, and before adaptively adjusting the sound effects of each sound signal sending unit in turn, the following steps are further included:
- the sound effect of each sound signal sending unit is adaptively adjusted in sequence; otherwise, the sound effect of each sound signal sending unit is not adaptively adjusted.
- the acceleration sensor unit detects whether the position of the smart speaker has moved.
- the smart speaker can detect that the position of the speaker has moved.
- the smart speaker sound adaptive adjustment program is started to retrieve the sound effect compensation parameters. Automatically adjust the sound effect of smart speakers adaptively.
- a smart speaker sound effect adaptive adjustment system is provided with at least three sound signal sending units and at least three sound signal receiving units.
- the sound signal receiving unit has a one-to-one correspondence;
- the system includes a processor 1, a memory 2, and a communication bus;
- a program executable by the processor is stored on the memory
- the communication bus realizes connection and communication between the processor and the memory
- the processor executes a program to adaptively adjust the sound effects of each sound signal sending unit in turn, and the sound effect adaptive adjustment performed on each sound signal sending unit includes the following steps:
- the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit receive the tuning feedback signal reflected by the original tuning signal;
- the spatial position parameter includes an angle parameter and an amplitude parameter
- the sound effect of the sound signal sending unit that sends out the original tuning signal is adjusted adaptively.
- obtaining the angle parameter according to the tuning feedback signal specifically includes the following steps:
- the signal sending time being the corresponding time when the sound signal sending unit sends out the original signal for tuning
- the signal receiving time is the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit respectively receive the tuning feedback The time corresponding to the signal;
- obtaining the amplitude parameter according to the tuning feedback signal specifically includes the following steps:
- the smart speaker is also provided with an acceleration sensing unit, and before adaptively adjusting the sound effects of each sound signal sending unit in turn, it further includes the following steps:
- the sound effect of each sound signal sending unit is adaptively adjusted in sequence; otherwise, the sound effect of each sound signal sending unit is not adaptively adjusted.
- the present disclosure also discloses a computer-readable storage medium, the storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to execute the aforementioned smart speaker Sound adaptive adjustment method.
- the present disclosure provides a method, system and storage medium for adaptive adjustment of sound effects of a smart speaker.
- the smart speaker is provided with at least three sound signal sending units and at least three sound signal receiving units.
- the signal sending unit corresponds to the sound signal receiving unit one-to-one, and adaptively adjusts the sound effect of each sound signal sending unit in turn, and adaptively adjusting the sound effect of each sound signal sending unit includes the following steps: controlling one of the sound signal transmissions The unit sends out the original tuning signal; the sound signal receiving unit corresponding to the sound signal sending unit that sends out the original tuning signal and the two sound signal receiving units adjacent to the sound signal receiving unit receive the sound signal reflected by the original tuning signal Tuning feedback signal; obtaining spatial position parameters according to the tuning feedback signal, the spatial position parameters including angle parameters and amplitude parameters; obtaining sound effect compensation parameters according to the angle parameters and amplitude parameters; according to the sound effect compensation parameters to the sound that emits the original tuning signal The sound effect of the signal sending unit is adjusted adaptively.
- each sound signal sending unit on the smart speaker is independently controllable, plus multiple sound signal receiving units can receive the tuning feedback signal in an omnidirectional manner, and use the original tuning
- the signal and tuning feedback signal obtain the spatial position parameters of the smart speakers, and obtain the corresponding sound effect compensation parameters by processing the spatial position parameters, and then adaptively adjust the sound effects of the smart speakers according to the sound effect compensation parameters, thereby realizing the sound effects of the smart speakers adjust.
- the smart speaker cannot adaptively adjust the sound effect parameters due to the difference in the space environment, which leads to poor hearing. This makes the sound more open, the stereo and low frequency are stronger, and the sound experience is improved.
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Claims (15)
- 一种智能音箱音效自适应调整方法,其特征在于,所述智能音箱上设置有至少三个声音信号发送单元和至少三个声音信号接收单元,所述声音信号发送单元和所述声音信号接收单元一一对应,所述方法为依次对各个声音信号发送单元的音效进行自适应调整,对各个声音信号发送单元的音效进行自适应调整包括以下步骤:控制其中一个声音信号发送单元发出调音原始信号;通过与发出调音原始信号的声音信号发送单元对应的声音信号接收单元和与该声音信号接收单元相邻的两个声音信号接收单元接收由调音原始信号反射回来的调音反馈信号;根据调音反馈信号获取空间位置参数,所述空间位置参数包括角度参数和幅度参数;根据角度参数和幅度参数获取音效补偿参数;根据音效补偿参数对发出调音原始信号的声音信号发送单元的音效进行自适应调整。
- 根据权利要求1所述的一种智能音箱音效自适应调整方法,其特征在于,根据调音反馈信号获取角度参数具体包括以下步骤:记录信号发送时刻,所述信号发送时刻为声音信号发送单元发出调音原始信号时对应的时刻;记录信号接收时刻,所述信号接收时刻为与发出调音原始信号的声音信号发送单元对应的声音信号接收单元和与该声音信号接收单元相邻的两个声音信号接收单元分别接收到调音反馈信号时对应的时刻;根据信号发送时刻和信号接收时刻分析计算得到角度参数。
- 根据权利要求2所述的一种智能音箱音效自适应调整方法,其特征在于,根据调音反馈信号获取幅度参数具体包括以下步骤:分别测量与发出调音原始信号的声音信号发送单元对应的声音信号接收单元和与该声音信号接收单元相邻的两个声音信号接收单元所接收到的调音反馈信号的信号幅度,得到第一信号幅度、第二信号幅度和第三信号幅度;分析第一信号幅度、第二信号幅度和第三信号幅度中的最大值MAX和平均值AVG;根据MAX和AVG计算得到幅度参数。
- 根据权利要求3所述的一种智能音箱音效自适应调整方法,其特征在于,在至少三个声音信号发送单元中,A为第一声音信号接收单元、B为第二声音信号接收单元、F为第三声音信号接收单元,AB连线和障碍物的夹角为θ,从A正上方对应的声音信号发送单元发出调音原始信号开始计时,A、B、F会接收到经障碍物反射的调音反馈信号,对应时刻分别为t1、t2和t3,V表示声速,S1、S2、S3分别表示A、B、F靠近障碍物的距离,相邻声音信号接收单元之间的距离为L,角度参数为θ,其中:t2-t1=2L×sinθ/V。
- 根据权利要求4所述的一种智能音箱音效自适应调整方法,其特征在于,三个调音反馈信号的最大值MAX和平均值AVG,幅度参数为f(MAX,AVG),音效补偿参数计算公式为:Y=C×sinθ+f(MAX,AVG)。
- 根据权利要求1所述的一种智能音箱音效自适应调整方法,其特征在于,所述智能音箱上还设置有加速传感单元,在依次对各个声音信号发送单元的音效进行自适应调整前,还包括以下步骤:通过加速传感单元测量智能音箱所受到的实时加速力;对比实时加速力和预设的加速力阈值;当实时加速力大于加速力阈值时,开始依次对各个声音信号发送单元的音效进行自适应调整;否则,不对各个声音信号发送单元的音效进行自适应调整。
- 根据权利要求1所述的一种智能音箱音效自适应调整方法,其特征在于,声音信号发送单元所发出的调音原始信号的频率为20Hz-40KHz,声音信号发送单元所发出的调音原始信号的幅度为70-90dB。
- 一种智能音箱音效自适应调整系统,其特征在于,所述智能音箱上设置有至少三个声音信号发送单元和至少三个声音信号接收单元,所述声音信号发送单元和所述声音信号接收单元一一对应;所述系统包括处理器、存储器和通信总线;所述存储器上存储有可被所述处理器执行的程序;所述通信总线实现处理器和存储器之间的连接通信;所述处理器执行程序以依次对各个声音信号发送单元的音效进行自适应调整,对各个声音信号发送单元的音效进行自适应调整包括以下步骤:控制其中一个声音信号发送单元发出调音原始信号;通过与发出调音原始信号的声音信号发送单元对应的声音信号接收单元和与该声音信号接收单元相邻的两个声音信号接收单元接收由调音原始信号反射回来的调音反馈信号;根据调音反馈信号获取空间位置参数,所述空间位置参数包括角度参数和幅度参数;根据角度参数和幅度参数获取音效补偿参数;根据音效补偿参数对发出调音原始信号的声音信号发送单元的音效进行自适应调整。
- 根据权利要求8所述的一种智能音箱音效自适应调整系统,其特征在于,根据调音反馈信号获取角度参数具体包括以下步骤:记录信号发送时刻,所述信号发送时刻为声音信号发送单元发出调音原始信号时对应的时刻;记录信号接收时刻,所述信号接收时刻为与发出调音原始信号的声音信号发送单元对应的声音信号接收单元和与该声音信号接收单元相邻的两个声音信号接收单元分别接收到调音反馈信号时对应的时刻;根据信号发送时刻和信号接收时刻分析计算得到角度参数。
- 根据权利要求9所述的一种智能音箱音效自适应调整系统,其特征在于,根据调音反馈信号获取幅度参数具体包括以下步骤:分别测量与发出调音原始信号的声音信号发送单元对应的声音信号接收单元和与该声音信号接收单元相邻的两个声音信号接收单元所接收到的调音反馈信号的信号幅 度,得到第一信号幅度、第二信号幅度和第三信号幅度;分析第一信号幅度、第二信号幅度和第三信号幅度中的最大值MAX和平均值AVG;根据MAX和AVG计算得到幅度参数。
- 根据权利要求10所述的一种智能音箱音效自适应调整系统,其特征在于,在至少三个声音信号发送单元中,A为第一声音信号接收单元、B为第二声音信号接收单元、F为第三声音信号接收单元,AB连线和障碍物的夹角为θ,从A正上方对应的声音信号发送单元发出调音原始信号开始计时,A、B、F会接收到经障碍物反射的调音反馈信号,对应时刻分别为t1、t2和t3,V表示声速,S1、S2、S3分别表示A、B、F靠近障碍物的距离,相邻声音信号接收单元之间的距离为L,角度参数为θ,其中:t2-t1=2L×sinθ/V。
- 根据权利要求11所述的一种智能音箱音效自适应调整系统,其特征在于,三个调音反馈信号的最大值MAX和平均值AVG,幅度参数为f(MAX,AVG),音效补偿参数计算公式为:Y=C×sinθ+f(MAX,AVG)。
- 根据权利要求8所述的一种智能音箱音效自适应调整系统,其特征在于,所述智能音箱上还设置有加速传感单元,在依次对各个声音信号发送单元的音效进行自适应调整前,还包括以下步骤:通过加速传感单元测量智能音箱所受到的实时加速力;对比实时加速力和预设的加速力阈值;当实时加速力大于加速力阈值时,开始依次对各个声音信号发送单元的音效进行自适应调整;否则,不对各个声音信号发送单元的音效进行自适应调整。
- 根据权利要求8所述的一种智能音箱音效自适应调整系统,其特征在于,所述智能音箱上设置有六个声音信号发送单元和六个声音信号接收单元,六个独立可控的声音信号发送单元360度环绕设置于智能音箱的下方,六个独立可控的声音信号接收单元360度环绕设置于智能音箱的上方。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有一个或者多个程 序,所述一个或者多个程序可被一个或者多个处理器执行,以执行权利要求1至7中任一项所述的方法。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105118524A (zh) * | 2015-09-18 | 2015-12-02 | 广东欧珀移动通信有限公司 | 一种音频播放方法及装置 |
CN106572258A (zh) * | 2016-10-31 | 2017-04-19 | 努比亚技术有限公司 | 一种音效调整装置和方法 |
CN106851469A (zh) * | 2017-02-16 | 2017-06-13 | 深圳创维-Rgb电子有限公司 | 一种调整音箱输出音频的方法和装置 |
CN107396237A (zh) * | 2017-09-06 | 2017-11-24 | 北京灵隆科技有限公司 | 自定位的智能音箱 |
WO2018093671A1 (en) * | 2016-11-16 | 2018-05-24 | Dts, Inc. | Graphical user interface for calibrating a surround sound system |
CN109168118A (zh) * | 2018-07-04 | 2019-01-08 | 广州视源电子科技股份有限公司 | 混响检测方法、装置及电子设备 |
CN110933559A (zh) * | 2019-11-28 | 2020-03-27 | 深圳创维-Rgb电子有限公司 | 一种智能音箱音效自适应调整方法、系统及存储介质 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100644715B1 (ko) * | 2005-12-19 | 2006-11-10 | 삼성전자주식회사 | 능동적 오디오 매트릭스 디코딩 방법 및 장치 |
CN104125524A (zh) * | 2013-04-23 | 2014-10-29 | 华为技术有限公司 | 一种音效调节方法、装置和设备 |
CN104661153B (zh) * | 2014-12-31 | 2018-02-02 | 歌尔股份有限公司 | 一种耳机音效补偿方法、装置及耳机 |
CN106507261A (zh) * | 2015-09-04 | 2017-03-15 | 音乐集团公司 | 用于在扬声器系统中确定或验证空间关系的方法 |
CN205566613U (zh) * | 2016-04-19 | 2016-09-07 | 杨涛 | 有源智能物联网音箱 |
CN107257520A (zh) * | 2017-07-18 | 2017-10-17 | 深圳创维-Rgb电子有限公司 | 一种视频播放设备及音箱功率调整方法 |
CN108347673A (zh) * | 2018-03-30 | 2018-07-31 | 上海与德科技有限公司 | 一种智能音箱的控制方法、装置、存储介质及智能音箱 |
CN109274909B (zh) * | 2018-09-19 | 2021-04-16 | 深圳创维-Rgb电子有限公司 | 电视机声音调整方法、电视机和存储介质 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105118524A (zh) * | 2015-09-18 | 2015-12-02 | 广东欧珀移动通信有限公司 | 一种音频播放方法及装置 |
CN106572258A (zh) * | 2016-10-31 | 2017-04-19 | 努比亚技术有限公司 | 一种音效调整装置和方法 |
WO2018093671A1 (en) * | 2016-11-16 | 2018-05-24 | Dts, Inc. | Graphical user interface for calibrating a surround sound system |
CN106851469A (zh) * | 2017-02-16 | 2017-06-13 | 深圳创维-Rgb电子有限公司 | 一种调整音箱输出音频的方法和装置 |
CN107396237A (zh) * | 2017-09-06 | 2017-11-24 | 北京灵隆科技有限公司 | 自定位的智能音箱 |
CN109168118A (zh) * | 2018-07-04 | 2019-01-08 | 广州视源电子科技股份有限公司 | 混响检测方法、装置及电子设备 |
CN110933559A (zh) * | 2019-11-28 | 2020-03-27 | 深圳创维-Rgb电子有限公司 | 一种智能音箱音效自适应调整方法、系统及存储介质 |
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