CN104980415A - Audio playing method and equipment - Google Patents
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- CN104980415A CN104980415A CN201410348014.2A CN201410348014A CN104980415A CN 104980415 A CN104980415 A CN 104980415A CN 201410348014 A CN201410348014 A CN 201410348014A CN 104980415 A CN104980415 A CN 104980415A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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Abstract
The embodiment of the invention discloses an audio playing method. The method comprises the following steps: receiving an input audio playing request; acquiring an environmental noise sample of a current position; and playing an audio corresponding to the audio playing request, and reversely playing environmental noise according to the environmental noise sample in order to lower the interference of the environmental noise on audio playing. The embodiment of the invention also discloses audio playing equipment. Through implementation of the embodiment of the invention, automatic noise reduction can be performed specific to audio playing, and the playing effect of audio playing is optimized.
Description
Technical Field
The present invention relates to the field of internet technologies, and in particular, to an audio playing method and device.
Background
With the rapid development of science and technology, electronic devices such as mobile phones and tablet computers have gradually become incorporated into the lives of people. Through the electronic equipment, people can play audio at any time and any place, such as listening to music, watching videos and the like. However, when the user is in a noisy environment and the user needs to play audio, the external noise may cause interference to the user. Therefore, how to reduce the interference of external noise to the audio playing of the user becomes a technical problem which needs to be solved urgently in the industry.
Disclosure of Invention
The embodiment of the invention discloses an audio playing method and audio playing equipment, which can automatically reduce noise aiming at audio playing and optimize the playing effect of the audio playing.
The first aspect of the embodiments of the present invention discloses an audio playing method, including:
receiving an input audio playing request;
collecting an environmental noise sample of a current position;
and playing the audio corresponding to the audio playing request, and playing the environmental noise in a reversed phase mode according to the environmental noise sample.
A second aspect of the embodiments of the present invention discloses an audio playback device, including:
the receiving module is used for receiving an input audio playing request;
the acquisition module is used for acquiring an environmental noise sample of the current position;
and the playing module is used for playing the audio corresponding to the audio playing request and playing the environmental noise in a reversed phase mode according to the environmental noise sample.
The embodiment of the invention has the following beneficial effects:
by acquiring the environmental noise of the position of the audio playing device in real time and playing the environmental noise in a reversed phase manner when the audio is played, the automatic noise reduction for the audio playing is realized, and the playing effect of the audio playing is optimized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flowchart of an audio playing method according to an embodiment of the present invention;
fig. 2 is a schematic view of a workflow of playing audio by an audio playing device according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of another audio playing method according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating another audio playing method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an audio playing device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another audio playing device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another audio playing device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a schematic flow chart of an audio playing method according to an embodiment of the present invention includes the following steps:
s101, receiving an input audio playing request.
In the embodiment of the present invention, when a user wants to play audio, the user may request to play corresponding audio (such as music, video file, etc.) by inputting an audio playing request on a related operation interface of the audio playing device, for example, the user may request to play a corresponding song by clicking a song name displayed in a display interface of music playing software installed on the audio playing device; or click the audio file or the video file stored locally in the audio playing device to request to play the corresponding audio file or the video file.
The Audio playing device in the embodiment of the present invention may include, but is not limited to, a mobile phone, a tablet computer, a palm computer, an MP3(Moving Picture Experts Group Audio Layer III, mpeg Audio Layer 3) player, and other devices having an Audio playing function, and the embodiment of the present invention is not limited thereto.
And S102, collecting an environmental noise sample of the current position.
S103, playing the audio corresponding to the audio playing request, and playing the environmental noise in a reversed phase mode according to the collected environmental noise sample so as to counteract the interference of the environmental noise on audio playing.
In the embodiment of the present invention, when the audio playing device receives the audio playing request, the audio playing device may sample the environmental noise at the current location in real time to obtain the environmental noise sample at the current location, for example, the audio playing device may collect the environmental noise sample at the current location through a microphone.
According to the collected environmental noise sample, the audio playing device may play the environmental noise in real time in reverse phase when playing the audio corresponding to the audio playing request, and reduce the noise by using the physical principle of sound phase reversal cancellation, so as to reduce the interference of the environmental noise on the audio playing, and the specific working flow thereof may refer to fig. 2.
Further, in the embodiment of the present invention, when a request to stop playing the audio is received, for example, a user clicks a pause button or a stop button on an interface of the audio playing software, or the user exits the audio playing software and stops collecting the environmental noise sample at the current location.
In the method described in fig. 1, by collecting an environmental noise sample at a current position, and playing the environmental noise in real time in reverse phase when playing the audio corresponding to the audio playing request, the physical principle of sound reverse phase cancellation is used to perform noise reduction, and the audio playing is automatically performed with noise reduction, so that the playing effect of the audio playing is optimized.
As shown in fig. 3, a schematic flow chart of another audio playing method provided in the embodiment of the present invention may include the following steps:
s301, receiving an input audio playing request.
In the embodiment of the present invention, when a user wants to play audio, the user may request to play corresponding audio (such as music, video file, etc.) by inputting an audio playing request on a related operation interface of the audio playing device, for example, the user may request to play a corresponding song by clicking a song name displayed in a display interface of music playing software installed on the audio playing device; or click the audio file or the video file stored locally in the audio playing device to request to play the corresponding audio file or the video file.
And S302, collecting an environmental noise sample of the current position.
S303, playing the audio corresponding to the audio playing request, and playing the environmental noise in a reversed phase mode according to the collected environmental noise sample so as to reduce the interference of the environmental noise on audio playing.
S304, adjusting the volume of the audio corresponding to the playing audio playing request according to the collected environmental noise sample.
In the embodiment of the present invention, when the audio playing device receives the audio playing request, the audio playing device may sample the environmental noise at the current location in real time to obtain the environmental noise sample at the current location, for example, the audio device may collect the environmental noise sample at the current location through a microphone.
According to the collected environmental noise samples, on one hand, the audio playing device can play the environmental noise in real time in a reversed phase mode when playing the audio corresponding to the audio playing request, and the physical principle of sound reversed phase cancellation is utilized to reduce the noise, so that the interference of the environmental noise on the audio playing is reduced. On the other hand, the audio playing device can also adjust the volume of the audio corresponding to the playing audio playing request according to the collected environmental noise sample, so that the user can hear the played audio more clearly.
In step S204, adjusting the volume of the audio corresponding to the audio playing request according to the collected environmental noise sample may include the following steps:
s11), determining the loudness of the environmental noise according to the collected environmental noise samples;
s12), determining the adjustment quantity for adjusting the volume of the audio corresponding to the playing audio playing request according to the loudness of the environmental noise;
s13), according to the adjustment amount and the volume of the playing audio set by the user, determining the volume of the audio corresponding to the playing request of the current playing audio.
As an alternative implementation manner, in step S12, the audio playing device may query the corresponding volume adjustment amount from the preset correspondence between the loudness of the ambient noise and the volume adjustment amount according to the loudness of the ambient noise, so as to determine the queried volume adjustment amount as the adjustment amount for adjusting the volume of the audio corresponding to the playing audio playing request. The corresponding relationship between the loudness of the environmental noise preconfigured in the audio playing device and the adjustment amount of the volume may be as shown in table 1:
| loudness of ambient noise | Volume adjustment |
| 50-60 decibels | 10 decibel |
| 60-65 decibels | 15 decibel |
| 65-70 decibels | 20 decibel |
| … | … |
Based on the corresponding relationship between the loudness of the environmental noise and the adjustment amount of the volume, after the audio playing device determines the loudness of the environmental noise, the corresponding adjustment amount of the volume can be inquired from the corresponding relationship according to the loudness of the environmental noise, so that the volume of the played audio can be adjusted.
For example, if the loudness of the external environment noise determined by the audio playing device is 62 decibels, the audio playing device may determine, by looking up the table, that the adjustment amount of the corresponding volume is 15 decibels; if the volume of the playing audio set by the user is 25 db, the volume of the audio playing device playing the audio in the environment is 40 db (25 db +15 db).
As another alternative, in step S12, the audio playing device may determine, according to the loudness of the ambient noise and a preset algorithm, an adjustment amount for adjusting the volume of the audio corresponding to the playing audio playing request, where the adjustment amount corresponds to the loudness of the ambient noise. The preset algorithm may be a functional relation between the loudness of the ambient noise and the adjustment amount of the volume, such as a logarithmic function, a linear function, a quadratic function, and the like.
For example, assume that the preset algorithm is as follows:
wherein,is a rounded-down symbol;
then, when the audio playing device determines that the loudness of the ambient noise is 50 decibels, according to the preset algorithm, the corresponding adjustment amount of the volume can be obtained to be 15 decibels, and if the volume of the audio set by the user is 20 decibels, the volume of the audio playing device playing the audio in the environment is 35 decibels (20 decibels +15 decibels).
In the method described in fig. 3, by acquiring the environmental noise sample of the current location, on one hand, according to the acquired environmental noise sample, when the audio corresponding to the audio playing request is played, the environmental noise is played in real time in an inverted phase manner, and the noise is reduced by the physical principle of inverted phase cancellation, so that automatic noise reduction for audio playing is realized, and the playing effect of audio playing is optimized; on the other hand, according to the collected environmental noise sample, the loudness of the environmental noise is determined, the adjustment quantity of the volume of the played audio is further determined, the volume of the audio corresponding to the audio playing request is adjusted according to the adjustment quantity of the volume, and the playing effect of the audio playing is further optimized.
As shown in fig. 4, a schematic flow chart of another audio playing method provided in an embodiment of the present invention is described, in which a user uses a mobile phone to play music through QQ music software, and the method may include the following steps:
s401, clicking song 1 in the QQ music song list by the user.
S402, the mobile phone collects the environmental noise sample of the current position through a microphone.
According to the technical scheme provided by the embodiment of the invention, when the mobile phone detects the audio playing request input by the user, the environmental noise sample of the current position can be collected in real time through the microphone.
And S403, playing the song 1 through a loudspeaker by the mobile phone, and playing the environmental noise in real time in a reversed phase mode according to the collected environmental noise sample.
S404, the mobile phone adjusts the volume of the played song according to the collected environmental noise sample.
In this embodiment, the specific implementation of adjusting the volume of the played song by the mobile phone according to the collected environmental noise artifact may refer to corresponding description in the method flow shown in fig. 2, and is not described herein again.
S405, the user selects to stop playing the song, such as clicking a pause button by the user, or quitting the QQ music software.
And S406, stopping collecting the environmental noise of the current position by the mobile phone.
In this embodiment, when the user clicks the pause button or stop button on the music playing interface of the QQ music software; or when the user exits the QQ music software, the mobile phone stops playing songs and stops collecting the environmental noise of the current position.
As can be seen from the above description, in the technical solution provided in the embodiment of the present invention, by collecting the environmental noise sample, the environmental noise at the position where the audio playing device is located is collected in real time, and when the audio is played, the environmental noise is played in reverse phase, so that automatic noise reduction for audio playing is realized, and the playing effect of audio playing is optimized.
Based on the same technical concept of the above method embodiment, the embodiment of the present invention further provides an audio playing device, which can be applied to the above method embodiment.
As shown in fig. 5, a schematic structural diagram of an audio playing device provided in an embodiment of the present invention may include:
a receiving module 51, configured to receive an input audio playing request;
the acquisition module 52 is configured to acquire an environmental noise sample of a current location;
and the playing module 53 is configured to play the audio corresponding to the audio playing request, and play the environmental noise in reverse phase according to the environmental noise sample.
The receiving module 51 may be further configured to receive an input request to stop playing audio;
the acquiring module 52 may be further configured to stop acquiring the environmental noise sample at the current location when the receiving module 51 receives a request to stop playing the audio.
Referring to fig. 6, fig. 6 is a schematic structural diagram of another audio playing device according to an embodiment of the present invention. Wherein, the audio playing device shown in fig. 6 is obtained by optimizing the audio playing device shown in fig. 5, and compared with the audio playing device shown in fig. 5, the audio playing device shown in fig. 6 may further include:
and a volume adjusting module 54, configured to adjust a volume of the audio corresponding to the audio playing request according to the environmental noise sample acquired by the acquiring module 52.
Referring to fig. 7, fig. 7 is a schematic structural diagram of another audio playing device according to an embodiment of the present invention. Wherein, the audio playing device shown in fig. 7 is obtained by optimizing the audio playing device shown in fig. 6, and compared with the audio playing device shown in fig. 6, in the audio playing device shown in fig. 7, the volume adjusting module 54 may include:
a first determining unit 541, configured to determine a loudness of the ambient noise according to the collected ambient noise samples;
a second determining unit 542, configured to determine, according to the loudness of the ambient noise, an adjustment amount for adjusting the volume of the audio corresponding to the audio playing request;
the third determining unit 543 is configured to determine, according to the adjustment amount and the volume of the audio playing set by the user, the volume of the audio currently playing corresponding to the audio playing request.
As an optional implementation manner, in the embodiment of the present invention, in the audio playing device shown in fig. 7, the second determining unit 542 may be configured to determine, according to the loudness of the ambient noise and a preset algorithm, an adjustment amount for adjusting the volume of the audio corresponding to the audio playing request, where the adjustment amount corresponds to the loudness of the ambient noise.
The preset algorithm may be a functional relationship between the loudness of the ambient noise and the adjustment amount of the volume, such as a logarithmic function, a linear function, a quadratic function, and the like.
As another optional implementation manner, in an embodiment of the present invention, in the audio playing device shown in fig. 7, the second determining unit 542 may include:
the query subunit 5421 is configured to query, according to the loudness of the ambient noise, a corresponding volume adjustment amount from a preset correspondence between the loudness of the ambient noise and the volume adjustment amount;
a determining subunit 5422, configured to determine the queried adjustment amount of the volume as an adjustment amount for adjusting the volume for playing the audio corresponding to the audio playing request.
The audio playing device in the embodiment of the present invention may include, but is not limited to, a device with an audio playing function, such as a mobile phone, a tablet computer, a palmtop computer, and an MP3 player, and the embodiment of the present invention is not limited thereto.
As can be seen from the above description, in the technical solution provided in the embodiment of the present invention, the audio playing device may play the environmental noise in real time by inverting the environmental noise sample at the current location and playing the audio corresponding to the audio playing request, and perform noise reduction by using the physical principle of sound inversion cancellation, so as to perform automatic noise reduction for audio playing, thereby optimizing the playing effect of audio playing.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (12)
1. An audio playing method, comprising:
receiving an input audio playing request;
collecting an environmental noise sample of a current position;
and playing the audio corresponding to the audio playing request, and playing the environmental noise in a reversed phase mode according to the environmental noise sample so as to reduce the interference of the environmental noise on audio playing.
2. The method of claim 1, wherein after the playing the audio corresponding to the audio playing request, further comprising:
and adjusting the volume of the audio corresponding to the audio playing request according to the collected environmental noise sample.
3. The method of claim 2, wherein the adjusting the volume of the audio corresponding to the audio playing request according to the collected environmental noise sample comprises:
determining the loudness of the environmental noise according to the collected environmental noise samples;
determining an adjustment amount for adjusting the volume of the audio corresponding to the audio playing request according to the loudness of the environmental noise;
and determining the volume of the audio corresponding to the currently played audio playing request according to the adjustment amount and the volume of the played audio set by the user.
4. The method of claim 3, wherein determining an adjustment amount for adjusting the volume of the audio corresponding to the audio playing request according to the loudness of the ambient noise comprises:
according to the loudness of the environmental noise, inquiring the corresponding volume adjustment amount from the preset corresponding relation between the loudness of the environmental noise and the volume adjustment amount;
and determining the inquired volume adjustment amount as the adjustment amount for adjusting the volume of the audio corresponding to the audio playing request.
5. The method of claim 3, wherein determining an adjustment amount for adjusting the volume of the audio corresponding to the audio playing request according to the loudness of the ambient noise comprises:
and determining the adjustment amount for adjusting the volume of the audio corresponding to the audio playing request corresponding to the loudness of the environmental noise according to the loudness of the environmental noise and a preset algorithm.
6. The method of claim 1, further comprising:
and when a request for stopping playing the audio is received, stopping collecting the environmental noise sample at the current position.
7. An audio playback device, comprising:
the receiving module is used for receiving an input audio playing request;
the acquisition module is used for acquiring an environmental noise sample of the current position;
and the playing module is used for playing the audio corresponding to the audio playing request and playing the environmental noise in a reversed phase mode according to the environmental noise sample.
8. The apparatus of claim 7, wherein the apparatus further comprises:
and the volume adjusting module is used for adjusting the volume of the audio corresponding to the audio playing request according to the environmental noise sample acquired by the acquisition module.
9. The device of claim 8, wherein the volume adjustment module comprises:
the first determining unit is used for determining the loudness of the environmental noise according to the collected environmental noise samples;
a second determining unit, configured to determine, according to the loudness of the ambient noise, an adjustment amount for adjusting a volume of an audio corresponding to the audio playing request;
and the third determining unit is used for determining the volume of the audio corresponding to the currently played audio playing request according to the adjustment amount and the volume of the played audio set by the user.
10. The apparatus of claim 9, wherein the second determination unit comprises:
the query subunit is used for querying the corresponding volume adjustment amount from the preset corresponding relationship between the loudness of the environmental noise and the volume adjustment amount according to the loudness of the environmental noise;
and the determining subunit is used for determining the inquired volume adjustment amount as the adjustment amount for adjusting the volume of the audio corresponding to the audio playing request.
11. The apparatus of claim 9,
and the second determining unit is used for determining the adjustment amount for adjusting the volume of the audio corresponding to the audio playing request according to the loudness of the environmental noise and a preset algorithm.
12. The apparatus of claim 7,
the receiving module is further used for receiving an input request for stopping playing the audio;
the acquisition module is further used for stopping acquiring the environmental noise sample of the current position when the receiving module receives the request of stopping playing the audio.
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