CN105118524A - Audio playing method and device - Google Patents

Audio playing method and device Download PDF

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Publication number
CN105118524A
CN105118524A CN201510600301.2A CN201510600301A CN105118524A CN 105118524 A CN105118524 A CN 105118524A CN 201510600301 A CN201510600301 A CN 201510600301A CN 105118524 A CN105118524 A CN 105118524A
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China
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audio
player device
frequence player
distance
audio frequency
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CN105118524B (en
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成保院
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Abstract

The invention discloses an audio playing method and an audio playing device. The audio playing method is carried out through the following steps: detecting the distance from an audio playing device to an external object; adjusting parameters of audio from the audio playing device according to the distance; amplifying the adjusted audio and then outputting the amplified audio. According to the method, the parameters of an audio from an audio playing device can be adjusted in real time, which makes the outputted audio of the audio playing device achieve a best effect.

Description

A kind of audio frequency playing method and device
Technical field
The present invention relates to communication technical field, be specifically related to a kind of audio frequency playing method and device.
Background technology
Audio-frequence player device, such as intelligent movable audio amplifier, the quality of its voice output effect has much relations with the environment residing for it.If intelligent movable audio amplifier exports in very large enclosure space, just there will be serious echo, in the little space closed, export that to there will be high frequency content sense too many and then cause occurring ear-piercing problem, and export under the object of spaciousness, there will be again the problem of bass deficiency.When people run into the problems referred to above, often cannot rely on and change environment to regulate the voice output effect of intelligent movable audio amplifier, can only rely on and manually regulate audio amplifier, but manual adjustments audio amplifier can be very loaded down with trivial details, and often can not be adjusted to desirable effect.In addition, even in identical space, the position that audio amplifier is placed is different, and the output effect of audio amplifier is not identical yet, and otherness is very large.At present, intelligent movable audio amplifier does not also have the size in space residing for it and position to regulate the function of audio frequency in real time.
Summary of the invention
The invention provides a kind of audio frequency playing method and device, to solve the problem that prior art can only rely on the sound effect of manual adjustments intelligent sound box.
Technical scheme of the present invention is as follows:
The embodiment provides a kind of audio frequency playing method, described player method comprises:
In the process of audio plays, detect the distance between audio-frequence player device and its exterior object;
Adjust according to the parameter of described distance to described audio frequency;
Export after adjusted described audio frequency is amplified.
Preferably, the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
Detect the distance between described audio-frequence player device and multiple objects of its outside respectively, obtain multiple distance;
Adjust according to the parameter of described multiple distance to described audio frequency.
Preferably, the step of the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
According to the external emission positioning signal of predetermined transmit direction to audio-frequence player device;
Receive the reflected signal of described positioning signal; And
Signal intensity according to described reflected signal calculates the distance drawn between described audio-frequence player device and its exterior object.
Preferably, described according to the external emission positioning signal of predetermined transmit direction to audio-frequence player device, comprise and around described audio-frequence player device, to launch described positioning signal and only launch described positioning signal to a direction of described audio-frequence player device outside.
Preferably, before the external emission positioning signal to described audio-frequence player device, also comprise: transmitting range threshold value and the reflected signal signalization intensity threshold to described positioning signal are arranged to the described positioning signal that will launch, when the signal intensity of described reflected signal is lower than described signal strength threshold, the distance then given tacit consent between described audio-frequence player device and its exterior object is described transmitting range threshold value, otherwise then calculates the distance between described audio-frequence player device and its exterior object.
Preferably, described audio frequency comprises multiple frequency range, adjusts, specifically comprise according to the parameter of described distance to the audio frequency of described audio-frequence player device:
According to the distance between described audio-frequence player device and its exterior object, adjust the amplitude of frequency range described at least one, the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.
Embodiments of the invention additionally provide a kind of audio playing apparatus, comprising:
Detection module, for detecting the distance of audio-frequence player device and its exterior object;
Adjusting module, for adjusting according to the parameter of described distance to the audio frequency of described audio-frequence player device.
Output module, exports after being amplified by adjusted described audio frequency.
Preferably, the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
Detect the distance between described audio-frequence player device and multiple objects of its outside respectively, obtain multiple distance;
Adjust according to the parameter of described multiple distance to described audio frequency.
Preferably, the step of the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
According to the external emission positioning signal of predetermined transmit direction to audio-frequence player device;
Receive the reflected signal of described positioning signal; And
The distance between described audio-frequence player device and its exterior object is calculated according to described reflected signal.
Preferably, described audio frequency comprises multiple frequency range, adjusts, specifically comprise according to the parameter of described distance to the audio frequency of described audio-frequence player device:
According to the distance between described audio-frequence player device and its exterior object, adjust the amplitude of frequency range described at least one, the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.
Beneficial effect of the present invention is as follows:
The invention provides a kind of audio frequency playing method, the method can the change of space size residing for audio-frequence player device and self-position, adjusts in real time, make the level that the effect of the audio frequency of audio-frequence player device reaches best to the parameter of its audio frequency.Present invention also offers a kind of audio playing apparatus, this device can adjust in real time to the parameter of the audio frequency of audio-frequence player device, makes the level that the effect of the audio frequency of audio-frequence player device reaches best.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the preferred embodiment of a kind of audio frequency playing method of the present invention;
Fig. 2 is the frame diagram of the preferred embodiment of a kind of audio playing apparatus of the present invention;
Fig. 3 is the implementation process schematic diagram of the first specific embodiment of a kind of audio frequency playing method of the present invention and device;
Fig. 4 is the implementation process schematic diagram of the second specific embodiment of a kind of audio frequency playing method of the present invention and device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of audio frequency playing method and device.To be described in detail respectively below.
Embodiment one
Please refer to Fig. 1, Fig. 1 is the process flow diagram of the preferred embodiment of a kind of audio frequency playing method of the present invention, and as can be seen from Figure 1, audio frequency playing method of the present invention comprises:
Step S101: the distance detecting audio-frequence player device and its exterior object;
Step S102: adjust according to the parameter of described distance parameter to the audio frequency of described audio-frequence player device; And
Step S103: export after adjusted described audio frequency is amplified.
In the present embodiment, described audio-frequence player device can be intelligent sound box, also can be that other can the mobile intelligent terminal of audio plays.The object of described audio-frequence player device outside refers to the wall or other barrier that can reflect audio frequency.
The following detailed description of the idiographic flow of each step of the audio frequency playing method of the present embodiment.
In step S101, the step of the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
Audio-frequence player device according to predetermined transmit direction, to its external emission positioning signal;
Receive the reflected signal of described positioning signal; And
Signal intensity according to described reflected signal calculates the distance drawn between described audio-frequence player device and its exterior object.
The step of the distance between the described detection audio-frequence player device of this preferred embodiment and its exterior object, specifically comprises:
Detect the distance between described audio-frequence player device and multiple objects of its outside respectively, obtain multiple distance;
Adjust according to the parameter of described multiple distance to described audio frequency.
This preferred embodiment described according to the external emission positioning signal of predetermined transmit direction to audio-frequence player device, comprises and around described audio-frequence player device, launches described positioning signal and only launch described positioning signal to a direction of described audio-frequence player device outside.
The described positioning signal of this step can be radar signal, positioning signal is from after audio-frequence player device is launched, run into wall or other barrier can reflect, audio-frequence player device, through carrying out analytical calculation to the reflected signal of described positioning signal, draws the distance between described audio-frequence player device and its exterior object.If audio-frequence player device is in a room, the size of room space residing for audio-frequence player device can also be drawn further, and the distance of each wall in audio-frequence player device and room.
In this step, to described audio-frequence player device external emission positioning signal before, also comprise: transmitting range threshold value and the reflected signal signalization intensity threshold to described positioning signal are arranged to the described positioning signal that will launch, make when the signal intensity of the reflected signal of described positioning signal is lower than described signal strength threshold, the distance then given tacit consent between described audio-frequence player device and its exterior object is described transmitting range threshold value, otherwise then calculates the distance between described audio-frequence player device and its exterior object.The present embodiment does like this, consider that audio-frequence player device may be placed on the situation in spacious place, described positioning signal is to time air-launched, reflected signal very weakly even can not receive reflected signal, add that the transmitting range of positioning signal has certain scope, thus the distance between described audio-frequence player device and its exterior object cannot be obtained.
In step s 102, described audio frequency comprises multiple frequency range, can be divided into low frequency, intermediate frequency and high frequency roughly, and the parameter of frequency range comprises amplitude.This step adjusts according to the parameter of described distance to the audio frequency of described audio-frequence player device, specifically comprises:
According to the distance between described audio-frequence player device and its exterior object, adjust the amplitude of frequency range described at least one, the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.The amplitude of the frequency range of adjustment audio frequency, the size of audio sound can be regulated, because the quality of sound effect is relevant with its external environment condition with audio-frequence player device, the size in room residing for audio-frequence player device, and the distance etc. of each wall in audio-frequence player device and room, all can affect the audio frequency result of broadcast of audio-frequence player device.In this step, the situation of external environment condition residing for audio-frequence player device, does corresponding adjustment automatically to the low frequency of audio frequency, intermediate frequency and high frequency, make generally, it is not fuzzy that the audio frequency of audio-frequence player device reaches bass, and high audio is not ear-piercing, the output effect that sound intermediate frequency is not thin.
In step s 103, loudspeaker etc. can be set in described audio-frequence player device, allow adjusted audio frequency carry out amplifying rear output.
Embodiment two
Please refer to Fig. 2, Fig. 2 is the frame diagram of the preferred embodiment of a kind of audio playing apparatus 20 of the present invention, and as can be seen from Figure 2, a kind of audio playing apparatus 20 of this preferred embodiment, comprising:
Detection module 201, for detecting the distance of audio-frequence player device and its exterior object;
Adjusting module 202, for adjusting according to the parameter of described distance to the audio frequency of described audio-frequence player device; And
Output module 203, exports after being amplified by adjusted described audio frequency.
The audio playing apparatus 20 of this preferred embodiment can be implemented according to the preferred embodiment of above-mentioned audio frequency playing method.The detection module 201 of this preferred embodiment comprises transmission and receiving element and computing unit, wherein send with receiving element for sending positioning signal and the reflected signal receiving described positioning signal, computing unit is for calculating the distance between described audio-frequence player device and the object of its outside according to described reflected signal, and need the numerical value adjusted to this parameter calculating described output audio, and described numerical value is formed adjustment instruction and send to described adjusting module 202.This preferred described transmission of the first specific embodiment and receiving element are radar transmitter, and described computing unit is central processing unit.The preferred described adjusting module 202 of this first specific embodiment is digital signal processor, and described digital signal processor receives the described adjustment instruction that central processing unit sends, and adjusts the parameter of the audio frequency of audio-frequence player device.The preferred described sending module of this first specific embodiment is loudspeaker, and described loudspeaker exports after being amplified by adjusted described audio frequency.
The step of the distance between the described detection audio-frequence player device of this preferred embodiment and its exterior object, specifically comprises:
According to the external emission positioning signal of predetermined transmit direction to audio-frequence player device;
Receive the reflected signal of described positioning signal; And
Signal intensity according to described reflected signal calculates the distance drawn between described audio-frequence player device and its exterior object.
Audio frequency described in this preferred embodiment comprises multiple frequency range, can be divided into low frequency, intermediate frequency and high frequency roughly, and the parameter of frequency range comprises amplitude.Adjusting according to the parameter of described distance to the audio frequency of described audio-frequence player device of this preferred embodiment, specifically comprises:
According to the distance between described audio-frequence player device and its exterior object, adjust the amplitude of frequency range described at least one, the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.The amplitude of the frequency range of adjustment audio frequency, the size of audio sound can be regulated, because the quality of sound effect is relevant with its external environment condition with audio-frequence player device, the size in room residing for audio-frequence player device, and the distance etc. of each wall in audio-frequence player device and room, all can affect the audio frequency result of broadcast of audio-frequence player device.In this step, the situation of external environment condition residing for audio-frequence player device, does corresponding adjustment automatically to the low frequency of audio frequency, intermediate frequency and high frequency, make generally, it is not fuzzy that the audio frequency of audio-frequence player device reaches bass, and high audio is not ear-piercing, the output effect that sound intermediate frequency is not thin.
Embodiment three
Please refer to Fig. 3, Fig. 3 is the implementation process schematic diagram of the first specific embodiment of a kind of audio frequency playing method of the present invention and device, the audio frequency playing method of this first specific embodiment is identical with the audio frequency playing method described in embodiment 1, and the audio playing apparatus 20 of this first specific embodiment is identical with audio playing apparatus 20 general structure described in embodiment 2.
The detection module 201 of this first specific embodiment comprises transmission and receiving element and computing unit, wherein send with receiving element for sending positioning signal and the reflected signal receiving described positioning signal, computing unit is for calculating the distance between described mobile intelligent terminal and the object of its outside according to described reflected signal, and need the numerical value adjusted to this parameter calculating described output audio, and described numerical value is formed adjustment instruction and send to described adjusting module 202.This preferred described transmission of the first specific embodiment and receiving element are radar transmitter, and described computing unit is central processing unit.The preferred described adjusting module of this first specific embodiment is digital signal processor, and described digital signal processor receives the described adjustment instruction that central processing unit sends, and carries out the adjustment of Amplitude Compensation or amplitude reduction to all or part of described audio frequency.The preferred described sending module of this first specific embodiment is loudspeaker, and described loudspeaker exports after being amplified by adjusted described audio frequency.
The application scenarios of this first specific embodiment is that in a closed room, the wall 30 of room surrounding can reflect transmitting of radar transmitter.The process that the audio frequency of audio frequency playing method to audio-frequence player device described in audio playing apparatus 20 specific embodiment 1 of this first specific embodiment regulates is as follows:
Audio frequency broadcasting is carried out in the place, place audio-frequence player device being placed on room, in audio frequency playing process, radar transmitter positions to the surrounding transmitting radar signal in room, radar signal is encountered wall 30 and is reflected back, the reflected signal of radar transmitter receiving radar signal, and the intensity of reflected signal is sent to central processing unit, central processing unit calculates multiple distances on audio-frequence player device and each wall 30 of room and roof according to the size of the signal intensity of reflected signal, and calculate the space size in room, then according to the size of room space and multiple distances on audio-frequence player device and each wall 30 of room and roof, show that the parameter of each frequency range of the audio frequency of audio-frequence player device needs the numerical value adjusted to, again this numerical value is formed adjustment instruction and be sent to digital signal processor, adjusted by the parameter of digital signal processor to audio frequency.
In this first specific embodiment, digital processing unit, according to the multiple distances between audio-frequence player device and room, adjusts the amplitude of frequency range described at least one, and the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.The amplitude of the frequency range of adjustment audio frequency, the size of audio sound can be regulated, because the quality of sound effect is relevant with its external environment condition with audio-frequence player device, in this first specific embodiment, the situation of room location residing for audio-frequence player device, does corresponding adjustment automatically to the low frequency of audio frequency, intermediate frequency and high frequency, make generally, it is not fuzzy that the audio frequency of audio-frequence player device reaches bass, and high audio is not ear-piercing, the output effect that sound intermediate frequency is not thin.
Embodiment four,
Please refer to Fig. 4, Fig. 4 is the implementation process schematic diagram of the second specific embodiment of a kind of audio frequency playing method of the present invention and device, as can be seen from Figure 4, this second specific embodiment is substantially identical with the implementation process of above-mentioned first specific embodiment, difference is, the radar transmitter of the audio playing apparatus 20 of this second specific embodiment only launches radar signal to a direction in room, in this direction, the distance of the wall 30 in audio-frequence player device and room is minimum, this second specific embodiment only adjusts the parameter of the audio frequency of audio-frequence player device according to the distance of the wall 30 in audio-frequence player device and room on this direction.The foundation that this second specific embodiment does like this is, the direction that the distance of the wall 30 in audio-frequence player device and room is minimum, the most difficultly audio output effect adjusted, once the audio output effect in this direction has also been adjusted, the audio output effect in other direction also can not be poor.
Above the disposal route of a kind of traffic data that the embodiment of the present invention provides, device and device are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for those skilled in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. an audio frequency playing method, is characterized in that, described control method comprises:
In the process of audio plays, detect the distance between audio-frequence player device and its exterior object;
Adjust according to the parameter of described distance to described audio frequency;
Export after adjusted described audio frequency is amplified.
2. audio frequency playing method according to claim 1, is characterized in that, the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
Detect the distance between described audio-frequence player device and multiple objects of its outside respectively, obtain multiple distance;
Adjust according to the parameter of described multiple distance to described audio frequency.
3. audio frequency playing method according to claim 1, is characterized in that, the step of the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
According to the external emission positioning signal of predetermined transmit direction to audio-frequence player device;
Receive the reflected signal of described positioning signal; And
Signal intensity according to described reflected signal calculates the distance drawn between described audio-frequence player device and its exterior object.
4. audio frequency playing method according to claim 3, it is characterized in that, described according to the external emission positioning signal of predetermined transmit direction to audio-frequence player device, comprise and around described audio-frequence player device, to launch described positioning signal and only launch described positioning signal to a direction of described audio-frequence player device outside.
5. audio frequency playing method according to claim 3, it is characterized in that, before the external emission positioning signal to described audio-frequence player device, also comprise: transmitting range threshold value and the reflected signal signalization intensity threshold to described positioning signal are arranged to the described positioning signal that will launch, when the signal intensity of described reflected signal is lower than described signal strength threshold, the distance then given tacit consent between described audio-frequence player device and its exterior object is described transmitting range threshold value, otherwise then calculates the distance between described audio-frequence player device and its exterior object.
6. audio frequency playing method according to claim 5, is characterized in that, described audio frequency comprises multiple frequency range, adjusts, specifically comprise according to the parameter of described distance to the audio frequency of described audio-frequence player device:
According to the distance between described audio-frequence player device and its exterior object, adjust the amplitude of frequency range described at least one, the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.
7. an audio playing apparatus, is characterized in that, comprising:
Detection module, for detecting the distance of audio-frequence player device and its exterior object;
Adjusting module, for adjusting according to the parameter of described distance to the audio frequency of described audio-frequence player device.
Output module, exports after being amplified by adjusted described audio frequency.
8. device according to claim 7, is characterized in that, the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
Detect the distance between described audio-frequence player device and multiple objects of its outside respectively, obtain multiple distance;
Adjust according to the parameter of described multiple distance to described audio frequency.
9. device according to claim 7, is characterized in that, the step of the distance between described detection audio-frequence player device and its exterior object, specifically comprises:
According to the external emission positioning signal of predetermined transmit direction to audio-frequence player device;
Receive the reflected signal of described positioning signal; And
The distance between described audio-frequence player device and its exterior object is calculated according to described reflected signal.
10. device according to claim 7, is characterized in that, described audio frequency comprises multiple frequency range, adjusts, specifically comprise according to the parameter of described distance to the audio frequency of described audio-frequence player device:
According to the distance between described audio-frequence player device and its exterior object, adjust the amplitude of frequency range described at least one, the adjustment of described amplitude comprises Amplitude Compensation or amplitude is cut down.
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CN106060703A (en) * 2016-07-21 2016-10-26 太仓怡泰霖智能科技有限公司 Energy-saving sound installation capable of measuring distance by using infrared rays
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CN113923561A (en) * 2020-07-08 2022-01-11 阿里巴巴集团控股有限公司 Intelligent sound box sound effect adjusting method and device
CN113067944A (en) * 2021-03-24 2021-07-02 深圳市锐尔觅移动通信有限公司 Method and device for adjusting call volume, terminal and storage medium

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