CN108805086A - A kind of media control method and apparatus for processing audio - Google Patents
A kind of media control method and apparatus for processing audio Download PDFInfo
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- CN108805086A CN108805086A CN201810612354.XA CN201810612354A CN108805086A CN 108805086 A CN108805086 A CN 108805086A CN 201810612354 A CN201810612354 A CN 201810612354A CN 108805086 A CN108805086 A CN 108805086A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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- General Health & Medical Sciences (AREA)
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Abstract
This application discloses a kind of media control methods, including：Obtain media stream signal media stream signal is modulated on ultrasonic carrier signal when environmental information meets preset condition, export modulated signal, make in predetermined target area can directional reception to modulated signal.The application in sound playing process, can realize that the orientation of sound plays, and allow broadcasting content only to be played in target zone, the user experience is improved.Disclosed herein as well is a kind of apparatus for processing audio.
Description
Technical field
This application involves electronic technology field more particularly to a kind of media control methods and apparatus for processing audio.
Background technology
With the continuous development of electronic technology, more and more electronic equipments have sound-playing function.For example, sound equipment.
Currently, when carrying out sound broadcasting, the sound of omnidirectional is mainly played by two full frequency band loudspeaker, each angle can be heard
The content of broadcasting.When in public, existing sound broadcast mode may influence whether other people life, user experience compared with
Difference.
Therefore, how to realize that the orientation of sound plays, allow broadcasting content broadcasting in target zone to be one and urgently solve
Certainly the problem of.
Invention content
In view of this, the application provides a kind of media control method, determining for sound can be realized in sound playing process
To broadcasting, broadcasting content is allowed only to be played in target zone, the user experience is improved.
This application provides a kind of media control method, the method includes：
Obtain media stream signal；
When environmental information meets preset condition, the media stream signal is modulated on ultrasonic carrier signal, output is adjusted
Signal processed, make in predetermined target area can directional reception to the modulated signal.
Preferably, the method further includes：
Acquire the image of the environment；
Identification of Images is carried out to the image collected；
When in the region other than target area described in described image including portrait, it is pre- to determine that the environmental information meets
If condition.
Preferably, when the environmental information is unsatisfactory for preset condition, further include：
Full frequency band plays the media stream signal in the environment.
Preferably, predetermined target area includes：
Acquire the image of the environment；
Identification of Images is carried out to the image collected；
When in described image including target person portrait, the preset range where the target person is determined as target
Region.
Preferably, when environmental information meets preset condition, the media stream signal is modulated on ultrasonic carrier signal,
Export modulated signal, make in predetermined target area can directional reception include to the modulated signal：
Amplify the modulated signal based on power amplifier；
Amplified modulated signal is exported to the predetermined target area by the ultrasound transducer array.
A kind of audio processing equipment, including：
Memory, for storing application program and data caused by application program operation；
Signal pickup assembly, for obtaining media stream signal；
Processor, for running the application program so that when environmental information meets preset condition, the Media Stream to be believed
Number be modulated on ultrasonic carrier signal, export modulated signal, make in predetermined target area can directional reception to institute
State modulated signal.
Preferably, the equipment further includes：
First filming apparatus, the image for acquiring the environment；
The processor is additionally operable to carry out Identification of Images to the image collected, the target area described in the described image
When in region in addition including portrait, determine that the environmental information meets preset condition.
Preferably, the equipment further includes：Loudspeaker；
The loudspeaker, for when the environmental information is unsatisfactory for preset condition, full frequency band to play institute in the environment
State media stream signal.
Preferably, the equipment further includes：
Second filming apparatus, the image for acquiring the environment；
The processor, be additionally operable to the image collected carry out Identification of Images, when in described image include target person
When portrait, the preset range where the target person is determined as target area.
Preferably, the equipment further includes：Power amplifier and ultrasound transducer array, wherein：
The power amplifier, for amplifying the modulated signal；
The ultrasound transducer array, for exporting amplified modulated signal to the predetermined target area
Domain.
It can be seen from the above technical proposal that a kind of media control method disclosed in the present application, obtains Media Stream letter first
Number, when environmental information meets preset condition, media stream signal is modulated on ultrasonic carrier signal, modulated signal is exported, makes
In predetermined target area can directional reception to modulated signal, can be broadcast in sound according to the actual demand of user
During putting, realizes that the orientation of sound plays, allow broadcasting content only to be played in target zone, the user experience is improved.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of method flow diagram of media control method embodiment 1 disclosed in the present application；
Fig. 2 is a kind of method flow diagram of media control method embodiment 2 disclosed in the present application；
Fig. 3 is a kind of method flow diagram of media control method embodiment 3 disclosed in the present application；
Fig. 4 is a kind of method flow diagram of media control method embodiment 4 disclosed in the present application；
Fig. 5 is a kind of structural schematic diagram of audio processing equipment embodiment 1 disclosed in the present application；
Fig. 6 is a kind of structural schematic diagram of audio processing equipment embodiment 2 disclosed in the present application；
Fig. 7 is a kind of structural schematic diagram of audio processing equipment embodiment 3 disclosed in the present application；
Fig. 8 is a kind of structural schematic diagram of audio processing equipment embodiment 4 disclosed in the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
As shown in Figure 1, being a kind of method flow diagram of media control method embodiment 1 disclosed in the present application, the method
It may comprise steps of：
S101, media stream signal is obtained；
When audio processing equipment needs to play sound, media stream signal is obtained first, wherein the media stream signal is
The signal of broadcasting content is carried, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
S102, when environmental information meets preset condition, media stream signal is modulated on ultrasonic carrier signal, output adjust
Signal processed, make in predetermined target area can directional reception to modulated signal.
After getting media stream signal, further the environment residing for audio processing equipment is detected, judges environment
Whether information meets preset condition, when environmental information meets preset condition, by the way that media stream signal is modulated to ultrasonic carrier
Signal, make in predetermined target area can directional reception to modulated signal, i.e., in predetermined target area
Play the content that media stream signal carries.It should be noted that the preset condition is to meet user to need to orient broadcasting matchmaker
Body stream signal carries the condition of content.
In conclusion in the above-described embodiments, when needing to control media, media stream signal is obtained first, when environment is believed
When breath meets preset condition, media stream signal is modulated on ultrasonic carrier signal, modulated signal is exported, makes predetermined
In target area can directional reception to modulated signal, can be realized according to the actual demand of user, in sound playing process
The orientation of sound plays, and allows broadcasting content only to be played in target zone, the user experience is improved.
As shown in Fig. 2, being a kind of method flow diagram of media control method embodiment 2 disclosed in the present application, the method
It may comprise steps of：
S201, the image for acquiring environment；
When needing to control media, needs to be detected the environment residing for audio processing equipment, judge environment
Whether information meets preset condition.When judging whether environmental information meets preset condition, audio frequency process can be acquired first and set
The image of standby local environment, wherein the image range of acquisition can flexibly be set according to user demand.
S202, Identification of Images is carried out to the image collected；
After collecting the image of audio processing equipment local environment, Identification of Images is carried out to the image collected.That is, sentencing
It whether there is portrait in disconnected the image collected.
S203, when in the region other than objective area in image include portrait when, determine that environmental information meets preset condition；
By identification, when in the region other than predetermined target area include portrait when, i.e., at this time user in order to
The people not influenced when media stream signal carries content other than target area is played, determines that environmental information at this time meets default item
Part.
S204, media stream signal is obtained；
When audio processing equipment needs to play sound, media stream signal is obtained, wherein the media stream signal is to carry
The signal of broadcasting content, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
S205, when environmental information meets preset condition, media stream signal is modulated on ultrasonic carrier signal, output adjust
Signal processed, make in predetermined target area can directional reception to modulated signal.
After getting media stream signal, when environmental information meets preset condition, by the way that media stream signal is modulated to
Ultrasonic carrier signal, make in predetermined target area can directional reception to modulated signal, i.e., in predetermined mesh
It marks and plays the content that media stream signal carries in region.It should be noted that the preset condition is to meet user to need to determine
To the condition for playing media stream signal carrying content.
In conclusion above-described embodiment on the basis of embodiment 1, further passes through acquisition audio processing equipment environment
Image, and Identification of Images is carried out to the image collected, when in the region other than objective area in image including portrait, determine
Environmental information meets preset condition.
As shown in figure 3, being a kind of method flow diagram of media control method embodiment 3 disclosed in the present application, the method
It may comprise steps of：
S301, the image for acquiring environment；
When needing to control media, needs to be detected the environment residing for audio processing equipment, judge environment
Whether information meets preset condition.When judging whether environmental information meets preset condition, audio frequency process can be acquired first and set
The image of standby local environment, wherein the image range of acquisition can flexibly be set according to user demand.
S302, Identification of Images is carried out to the image collected；
After collecting the image of audio processing equipment local environment, Identification of Images is carried out to the image collected.That is, sentencing
It whether there is portrait in disconnected the image collected.
S303, when in the region other than objective area in image include portrait when, determine that environmental information meets preset condition；
By identification, when in the region other than predetermined target area include portrait when, i.e., at this time user in order to
The people not influenced when media stream signal carries content other than target area is played, determines that environmental information at this time meets default item
Part.
S304, media stream signal is obtained；
When audio processing equipment needs to play sound, media stream signal is obtained, wherein the media stream signal is to carry
The signal of broadcasting content, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
S305, when environmental information meets preset condition, media stream signal is modulated on ultrasonic carrier signal, output adjust
Signal processed, make in predetermined target area can directional reception to modulated signal；
After getting media stream signal, when environmental information meets preset condition, by the way that media stream signal is modulated to
Ultrasonic carrier signal, make in predetermined target area can directional reception to modulated signal, i.e., in predetermined mesh
It marks and plays the content that media stream signal carries in region.It should be noted that the preset condition is to meet user to need to determine
To the condition for playing media stream signal carrying content.
S306, when environmental information is unsatisfactory for preset condition, in the environment full frequency band play media stream signal.
When the environmental information of audio processing equipment local environment is unsatisfactory for preset condition, full frequency band plays matchmaker in the environment
Body stream signal, the i.e. environment residing for audio processing equipment can hear the sound of broadcasting.
In conclusion in the above-described embodiments, by acquiring the image of audio processing equipment local environment, and to collecting
Image carry out Identification of Images, when in the region other than objective area in image including portrait, it is pre- to determine that environmental information meets
If condition, when not including portrait in the region other than objective area in image, determine that environmental information is unsatisfactory for preset condition, when
When environmental information meets preset condition, media stream signal is modulated on ultrasonic carrier signal, modulated signal is exported, makes advance
In determining target area can directional reception to modulated signal, can be according to the actual demand of user, in sound playing process
In, it realizes that the orientation of sound plays, allows broadcasting content only to be played in target zone, the user experience is improved.Work as environmental information
When being unsatisfactory for preset condition, full frequency band plays media stream signal in the environment.It realizes according to ambient conditions, orientation or full range are broadcast
Put media stream signal.
As shown in figure 4, being a kind of method flow diagram of media control method embodiment 4 disclosed in the present application, the method
It may comprise steps of：
S401, the image for acquiring environment；
When needing to control media, needs to be detected the environment residing for audio processing equipment, judge environment
Whether information meets preset condition.When judging whether environmental information meets preset condition, audio frequency process can be acquired first and set
The image of standby local environment, wherein the image range of acquisition can flexibly be set according to user demand.
S402, Identification of Images is carried out to the image collected；
After collecting the image of audio processing equipment local environment, Identification of Images is carried out to the image collected.That is, sentencing
It whether there is portrait in disconnected the image collected.
S403, when in the region other than objective area in image include portrait when, determine that environmental information meets preset condition；
By identification, when in the region other than predetermined target area include portrait when, i.e., at this time user in order to
The people not influenced when media stream signal carries content other than target area is played, determines that environmental information at this time meets default item
Part.
S404, media stream signal is obtained；
When audio processing equipment needs to play sound, media stream signal is obtained, wherein the media stream signal is to carry
The signal of broadcasting content, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
S405, when environmental information meets preset condition, based on power amplifier amplify modulated signal；
When environmental information meets preset condition, power amplification is carried out to modulated signal by power amplifier.
S406, amplified modulated signal is exported to predetermined target area by ultrasound transducer array；
Modulated signal after power amplification is exported by ultrasound transducer array to predetermined target area,
Make in predetermined target area can directional reception to modulated signal, i.e., play matchmaker in predetermined target area
The content that body stream signal carries.It should be noted that the preset condition is to meet user to need to orient broadcasting Media Stream letter
Number carry content condition.
S407, when environmental information is unsatisfactory for preset condition, in the environment full frequency band play media stream signal.
When the environmental information of audio processing equipment local environment is unsatisfactory for preset condition, full frequency band plays matchmaker in the environment
Body stream signal, the i.e. environment residing for audio processing equipment can hear the sound of broadcasting.
In conclusion above-described embodiment amplifies modulation letter when environmental information meets preset condition, by power amplifier
Number, the modulated signal after power amplification is exported to predetermined target area by ultrasound transducer array, is made pre-
In first determining target area can directional reception to modulated signal, i.e., in predetermined target area playing Media Stream believes
Number carry content.
Specifically, in the above-described embodiments, predefining the one of which realization method of target area can be, by adopting
Collect audio processing equipment local environment image, then to the image collected carry out Identification of Images, when in image include target
When personage's portrait, the preset range where the target person is determined as target area.Wherein, the target person portrait
It can flexibly be set according to user's actual need, such as the portrait of user can be determined as target person portrait.
As shown in figure 5, being a kind of structural schematic diagram of audio processing equipment embodiment 1 disclosed in the present application, the audio
Processing equipment may include：
Memory 501, for storing application program and data caused by application program operation；
Signal pickup assembly 502, for obtaining media stream signal；
When audio processing equipment needs to play sound, media stream signal is obtained first, wherein the media stream signal is
The signal of broadcasting content is carried, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
Processor 503, for running application program so that when environmental information meets preset condition, media stream signal to be modulated
Onto ultrasonic carrier signal, export modulated signal, make in predetermined target area can directional reception to modulated signal.
After getting media stream signal, further the environment residing for audio processing equipment is detected, judges environment
Whether information meets preset condition, when environmental information meets preset condition, by the way that media stream signal is modulated to ultrasonic carrier
Signal, make in predetermined target area can directional reception to modulated signal, i.e., in predetermined target area
Play the content that media stream signal carries.It should be noted that the preset condition is to meet user to need to orient broadcasting matchmaker
Body stream signal carries the condition of content.
In conclusion in the above-described embodiments, when needing to control media, media stream signal is obtained first, when environment is believed
When breath meets preset condition, media stream signal is modulated on ultrasonic carrier signal, modulated signal is exported, makes predetermined
In target area can directional reception to modulated signal, can be realized according to the actual demand of user, in sound playing process
The orientation of sound plays, and allows broadcasting content only to be played in target zone, the user experience is improved.
As shown in fig. 6, being a kind of structural schematic diagram of audio processing equipment embodiment 2 disclosed in the present application, the audio
Processing equipment may include：
Memory 601, for storing application program and data caused by application program operation；
First filming apparatus 602, the image for acquiring environment；
When needing to control media, needs to be detected the environment residing for audio processing equipment, judge environment
Whether information meets preset condition.When judging whether environmental information meets preset condition, can be filled first by the first shooting
Set the image of acquisition audio processing equipment local environment, wherein the image range of acquisition can flexibly be set according to user demand,
First filming apparatus can be camera.
Processor 603, for running application program to carry out Identification of Images to the image collected, when target area in image
When in the region other than domain including portrait, determine that environmental information meets preset condition；
After collecting the image of audio processing equipment local environment, Identification of Images is carried out to the image collected.That is, sentencing
It whether there is portrait in disconnected the image collected.
By identification, when in the region other than predetermined target area include portrait when, i.e., at this time user in order to
The people not influenced when media stream signal carries content other than target area is played, determines that environmental information at this time meets default item
Part.
Signal pickup assembly 604, for obtaining media stream signal；
When audio processing equipment needs to play sound, media stream signal is obtained, wherein the media stream signal is to carry
The signal of broadcasting content, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
Processor 603 is additionally operable to when environmental information meets preset condition, and media stream signal is modulated to ultrasonic carrier letter
On number, export modulated signal, make in predetermined target area can directional reception to modulated signal.
After getting media stream signal, when environmental information meets preset condition, by the way that media stream signal is modulated to
Ultrasonic carrier signal, make in predetermined target area can directional reception to modulated signal, i.e., in predetermined mesh
It marks and plays the content that media stream signal carries in region.It should be noted that the preset condition is to meet user to need to determine
To the condition for playing media stream signal carrying content.
In conclusion above-described embodiment on the basis of embodiment 1, further passes through acquisition audio processing equipment environment
Image, and Identification of Images is carried out to the image collected, when in the region other than objective area in image including portrait, determine
Environmental information meets preset condition.
As shown in fig. 7, being a kind of structural schematic diagram of audio processing equipment embodiment 3 disclosed in the present application, the audio
Processing equipment may include：
Memory 701, for storing application program and data caused by application program operation；
First filming apparatus 702, the image for acquiring environment；
When needing to control media, needs to be detected the environment residing for audio processing equipment, judge environment
Whether information meets preset condition.When judging whether environmental information meets preset condition, can be filled first by the first shooting
Set the image of acquisition audio processing equipment local environment, wherein the image range of acquisition can flexibly be set according to user demand,
First filming apparatus can be camera.
Processor 703, for running application program to carry out Identification of Images to the image collected, when target area in image
When in the region other than domain including portrait, determine that environmental information meets preset condition；
After collecting the image of audio processing equipment local environment, Identification of Images is carried out to the image collected.That is, sentencing
It whether there is portrait in disconnected the image collected.
By identification, when in the region other than predetermined target area include portrait when, i.e., at this time user in order to
The people not influenced when media stream signal carries content other than target area is played, determines that environmental information at this time meets default item
Part.
Signal pickup assembly 704, for obtaining media stream signal；
When audio processing equipment needs to play sound, media stream signal is obtained, wherein the media stream signal is to carry
The signal of broadcasting content, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
Processor 703 is additionally operable to when environmental information meets preset condition, and media stream signal is modulated to ultrasonic carrier letter
On number, export modulated signal, make in predetermined target area can directional reception to modulated signal.
After getting media stream signal, when environmental information meets preset condition, by the way that media stream signal is modulated to
Ultrasonic carrier signal, make in predetermined target area can directional reception to modulated signal, i.e., in predetermined mesh
It marks and plays the content that media stream signal carries in region.It should be noted that the preset condition is to meet user to need to determine
To the condition for playing media stream signal carrying content.
Loudspeaker 705, for when environmental information is unsatisfactory for preset condition, full frequency band to play media stream signal in the environment.
When the environmental information of audio processing equipment local environment is unsatisfactory for preset condition, full frequency band plays matchmaker in the environment
Body stream signal, the i.e. environment residing for audio processing equipment can hear the sound of broadcasting.
In conclusion in the above-described embodiments, by acquiring the image of audio processing equipment local environment, and to collecting
Image carry out Identification of Images, when in the region other than objective area in image including portrait, it is pre- to determine that environmental information meets
If condition, when not including portrait in the region other than objective area in image, determine that environmental information is unsatisfactory for preset condition, when
When environmental information meets preset condition, media stream signal is modulated on ultrasonic carrier signal, modulated signal is exported, makes advance
In determining target area can directional reception to modulated signal, can be according to the actual demand of user, in sound playing process
In, it realizes that the orientation of sound plays, allows broadcasting content only to be played in target zone, the user experience is improved.Work as environmental information
When being unsatisfactory for preset condition, full frequency band plays media stream signal in the environment.It realizes according to ambient conditions, orientation or full range are broadcast
Put media stream signal.
As shown in figure 8, being a kind of structural schematic diagram of audio processing equipment embodiment 4 disclosed in the present application, the audio
Processing equipment may include：
Memory 801, for storing application program and data caused by application program operation；
First filming apparatus 802, the image for acquiring environment；
When needing to control media, needs to be detected the environment residing for audio processing equipment, judge environment
Whether information meets preset condition.When judging whether environmental information meets preset condition, can be filled first by the first shooting
Set the image of acquisition audio processing equipment local environment, wherein the image range of acquisition can flexibly be set according to user demand,
First filming apparatus can be camera.
Processor 803, for running application program to carry out Identification of Images to the image collected, when target area in image
When in the region other than domain including portrait, determine that environmental information meets preset condition；
After collecting the image of audio processing equipment local environment, Identification of Images is carried out to the image collected.That is, sentencing
It whether there is portrait in disconnected the image collected.
By identification, when in the region other than predetermined target area include portrait when, i.e., at this time user in order to
The people not influenced when media stream signal carries content other than target area is played, determines that environmental information at this time meets default item
Part.
Signal pickup assembly 804, for obtaining media stream signal；
When audio processing equipment needs to play sound, media stream signal is obtained, wherein the media stream signal is to carry
The signal of broadcasting content, the audio processing equipment can be the equipment that sound equipment etc. can play sound.
Power amplifier 805, for when environmental information meets preset condition, being believed based on power amplifier amplification modulation
Number；
When environmental information meets preset condition, power amplification is carried out to modulated signal by power amplifier.
Ultrasound transducer array 806 exports amplified modulated signal to advance for passing through ultrasound transducer array
Determining target area；
Modulated signal after power amplification is exported by ultrasound transducer array to predetermined target area,
Make in predetermined target area can directional reception to modulated signal, i.e., play matchmaker in predetermined target area
The content that body stream signal carries.It should be noted that the preset condition is to meet user to need to orient broadcasting Media Stream letter
Number carry content condition.
Loudspeaker 807, for when environmental information is unsatisfactory for preset condition, full frequency band to play media stream signal in the environment.
When the environmental information of audio processing equipment local environment is unsatisfactory for preset condition, full frequency band plays matchmaker in the environment
Body stream signal, the i.e. environment residing for audio processing equipment can hear the sound of broadcasting.
In conclusion above-described embodiment amplifies modulation letter when environmental information meets preset condition, by power amplifier
Number, the modulated signal after power amplification is exported to predetermined target area by ultrasound transducer array, is made pre-
In first determining target area can directional reception to modulated signal, i.e., in predetermined target area playing Media Stream believes
Number carry content.
Specifically, in the above-described embodiments, predefining the one of which realization method of target area can be, by the
Two filming apparatus acquire the image of audio processing equipment local environment, then carry out portrait to the image collected by processor
Preset range where the target person is determined as target area by identification when in image including target person portrait.Its
In, the target person portrait can flexibly be set according to user's actual need, such as can be true by the portrait of user
It is set to target person portrait；Second filming apparatus can be camera.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think to exceed scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the application.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of media control method, which is characterized in that the method includes：
Obtain media stream signal；
When environmental information meets preset condition, the media stream signal is modulated on ultrasonic carrier signal, output modulation letter
Number, make in predetermined target area can directional reception to the modulated signal.
2. according to the method described in claim 1, it is characterized in that, further including：
Acquire the image of the environment；
Identification of Images is carried out to the image collected；
When in the region other than target area described in described image including portrait, determines that the environmental information meets and preset item
Part.
3. according to the method described in claim 1, it is characterized in that, when the environmental information is unsatisfactory for preset condition, also wrap
It includes：
Full frequency band plays the media stream signal in the environment.
4. according to the method described in claim 1, it is characterized in that, predetermined target area includes：
Acquire the image of the environment；
Identification of Images is carried out to the image collected；
When in described image including target person portrait, the preset range where the target person is determined as target area
Domain.
5. according to the method described in claim 1, it is characterized in that, when environmental information meets preset condition, by the media
It flows in signal modulation to ultrasonic carrier signal, exports modulated signal, making being capable of directional reception in predetermined target area
Include to the modulated signal：
Amplify the modulated signal based on power amplifier；
Amplified modulated signal is exported to the predetermined target area by the ultrasound transducer array.
6. a kind of audio processing equipment, which is characterized in that including：
Memory, for storing application program and data caused by application program operation；
Signal pickup assembly, for obtaining media stream signal；
Processor, for running the application program with when environmental information meets preset condition, by the media stream signal tune
Make on ultrasonic carrier signal, export modulated signal, make in predetermined target area can directional reception to the tune
Signal processed.
7. equipment according to claim 6, which is characterized in that further include：
First filming apparatus, the image for acquiring the environment；
The processor is additionally operable to carry out Identification of Images to the image collected, other than target area described in described image
Region in include portrait when, determine that the environmental information meets preset condition.
8. equipment according to claim 6, which is characterized in that further include：Loudspeaker；
The loudspeaker, for when the environmental information is unsatisfactory for preset condition, full frequency band to play the matchmaker in the environment
Body stream signal.
9. equipment according to claim 6, which is characterized in that further include：
Second filming apparatus, the image for acquiring the environment；
The processor, be additionally operable to the image collected carry out Identification of Images, when in described image include target person portrait
When, the preset range where the target person is determined as target area.
10. equipment according to claim 6, which is characterized in that further include：Power amplifier and ultrasound transducer array,
Wherein：
The power amplifier, for amplifying the modulated signal；
The ultrasound transducer array, for exporting amplified modulated signal to the predetermined target area.
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