CN106170108A - There is the Headphone device of decibel indicating mode - Google Patents

There is the Headphone device of decibel indicating mode Download PDF

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Publication number
CN106170108A
CN106170108A CN201610808530.8A CN201610808530A CN106170108A CN 106170108 A CN106170108 A CN 106170108A CN 201610808530 A CN201610808530 A CN 201610808530A CN 106170108 A CN106170108 A CN 106170108A
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CN
China
Prior art keywords
decibel
sound
headphone
user
microprocessing unit
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Granted
Application number
CN201610808530.8A
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Chinese (zh)
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CN106170108B (en
Inventor
杨晓东
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Hefei Sino Microelectronics Co Ltd
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Hefei Sino Microelectronics Co Ltd
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Priority to CN201610808530.8A priority Critical patent/CN106170108B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041Mechanical or electronic switches, or control elements
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal

Abstract

The present invention provides a kind of Headphone device, comprising: be disposed in proximity to the first mike of the position of user's lip, it is for gathering the first acoustical signal;Wireless communication module, is connected for setting up wireless telecommunications with external electronic device, by the extremely described external electronic device of the audio signal transmission from microprocessing unit, and receives the audio signal from external electronic device;Speaker, for playing audio signal;Microprocessing unit, it has a decibel indicating mode;When decibel indicating mode, the decibel value of the sound that the user of microprocessing unit acquisition Headphone device is heard, and report described decibel value by described speaker.As such, it is possible to remind user, improve Consumer's Experience, the audition of protection user.

Description

There is the Headphone device of decibel indicating mode
[technical field]
The present invention relates to a kind of earphone field, particularly relate to a kind of Headphone device with decibel indicating mode.
[background technology]
Along with the mobile Internet terminals such as mobile phone and the extensive application of network audio-video software, can get between men To realize the most easily conversing anywhere or anytime, in view of complexity and the multiformity of call environment, people when conversing also Being likely to be at the most more and more under noise circumstance, the noise in call environment is the brightest for the negative effect of speech quality Aobvious.Such as in noisy street, room and square, or in the vehicles such as automobile, train, ambient background noise pair The most serious in the negative effect of the speech quality of both call sides.And wearing headphones is listened to music, viewed and admired film Or carrying out the portable multimedia digital equipment user of video game, noise then can for the negative effect of the experience of user People is more allowed to stand.It addition, in some cases .., people are often not intended to the other side of call and hear oneself residing ring Border.
Widely, in most cases, people can be conversed by earphone and listen music etc. in the application of earphone at present.So And, when people typically listen music or call with earphone, the sound oneself sent can be bigger, this is because during with earphone, Brain can not know external environment volume, and can only be using the sound play in earphone as environmental volume, if therefore earphone is broadcast The sound put is louder, and brain judges that current environment is louder accordingly, just automatically controls speaker and raises one's voice.Further, since Earphone the most all have employed some passive noise-reducing design, such as uses deadener to make In-Ear Headphones, headband receiver etc.. User is when using these earphones, and ambient sound is isolated, and the voice oneself sent that therefore user hears is the least, even Do not hear.At this moment user to misread oneself sound the least, and the wave volume just strengthened unconsciously.
Therefore, it is necessary to propose the technical scheme of a kind of improvement to solve the problems referred to above.
[summary of the invention]
It is an object of the invention to provide a kind of Headphone device, it can be play to the user wearing described Headphone device and work as Front decibel value situation, to remind user, improves Consumer's Experience, the audition of protection user.
To achieve these goals, the present invention provides a kind of Headphone device, comprising: be disposed in proximity to the position of user's lip The first mike put, it is for gathering the first acoustical signal;Wireless communication module, for setting up wireless with external electronic device Communication connects, and by the extremely described external electronic device of the audio signal transmission from microprocessing unit, and receives from external electrical The audio signal of equipment;Speaker, for playing audio signal;Microprocessing unit, it has a decibel indicating mode;Carry at decibel During pattern of waking up, the decibel value of the sound that the user of microprocessing unit acquisition Headphone device is heard, and broadcast by described speaker Report described decibel value.
Further, described Headphone device also includes: memory element, and in described memory element, storage has this Headphone device Output power consumption and the corresponding relation of the decibel value of sound heard of user, when decibel indicating mode, microprocessing unit detects The output power consumption of this Headphone device, and the correspondence of the decibel value of the sound heard by output power consumption and the user of this Headphone device Relation finds the decibel value of the sound that user currently heard, and this decibel value is converted into a decibel voice signal, by described Speaker is reported.
Further, in described memory element, also storage has predetermined decibel threshold and corresponding the continuing of predetermined decibel threshold Time threshold, the decibel value detected at described microprocessor exceedes predetermined decibel threshold and is continued above predetermined decibel threshold pair During the duration threshold answered, then report the described decibel value detected, automatically reduce the volume of speaker, or be automatically stopped and work as The broadcasting of front audio signal.
Further, described microprocessor is constantly in a decibel indicating mode, or is receiving from outside control instruction After, described microprocessing unit enters decibel indicating mode.
Further, described Headphone device also includes being arranged at the 3rd mike near user's earhole, the 3rd Mike Sound near the earhole of elegance collection user, when decibel indicating mode, microprocessing unit sound based on the 3rd Mike's elegance collection Sound obtains the decibel value of the sound that user hears, and this decibel value is converted into a decibel voice signal, is broadcast by described speaker Report.
Further, described microprocessing unit also has local call situation affirmation mode, confirms in local call situation Under pattern, described first mike gathers the first acoustical signal, and described first acoustical signal is exported extremely by described microprocessing unit Described speaker is play.
Further, described Headphone device also includes being arranged at the second microphone away from user's lip direction, and it is used for Gather the second voice signal;Described microprocessing unit also has local call situation affirmation mode, confirms in local call situation Under pattern, described microprocessing unit carries out noise reduction process based on second sound signal to the first acoustical signal, to eliminate the first sound Environment noise in tone signal, and the acoustical signal after noise reduction process is exported to the broadcasting of described speaker.
Further, described Headphone device also includes command interface, and it is able to receive that from outside control instruction, described Control instruction is the instruction that notice microprocessing unit enters corresponding pattern, and this, after receiving these instructions, is referred to by command interface Order transmission is to described microprocessing unit, so that microprocessing unit enters corresponding pattern.
Further, described command interface includes button, sends entrance phase by triggering this button to microprocessing unit The instruction of the pattern answered, or, described command interface includes that speech recognition interface, user are said Voice command set in advance and referred to Order, described this voice control command of speech recognition interface identification also sends the instruction entering corresponding modes to microprocessing unit.
Compared with prior art, in the present invention, Headphone device has a decibel indicating mode, when decibel indicating mode, and micro-place The decibel value of the sound that the user of reason unit acquisition Headphone device is heard, and report described decibel value by described speaker, To remind user, improve Consumer's Experience, the audition of protection user.
[accompanying drawing explanation]
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required use in embodiment being described below Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings Accompanying drawing.Wherein:
Fig. 1 is the structured flowchart in one embodiment of the Headphone device in the present invention;
Fig. 2 is the functional flow diagram of the environmental sound reminding pattern of the Headphone device in the present invention;
Fig. 3 is described microprocessing unit structured flowchart in one embodiment;
Fig. 4 is the decibel indicating mode functional flow diagram in one embodiment of the Headphone device in the present invention;
Fig. 5 is the local call situation affirmation mode functional sequence in one embodiment of the Headphone device in the present invention Figure.
[detailed description of the invention]
The detailed description of the invention of the present invention is discussed in detail below in conjunction with the accompanying drawings.
In the present invention, " in one embodiment " everywhere is not to refer in particular in same embodiment, and they can To be same embodiment, it is also possible to be different embodiments.
The present invention provides a kind of multi-functional Headphone device, and it may provide the user with multiple miscellaneous function, improves user Experience.Described Headphone device can be that bluetooth earphone etc. is known or following possible wireless headset.
Fig. 1 is the structured flowchart in one embodiment of the Headphone device 100 in the present invention.As shown in Figure 1, described ear Machine 100 include the first mike 110, second microphone 120, microprocessing unit 130, speaker 150, command interface 160, Wireless communication module 170 and memory element 180.
First mike 110 is arranged close to the position of user's lip, as a kind of detailed description of the invention, when described ear When machine 100 is headband receiver or In-Ear Headphones, the first mike 110 is arranged on headset body to user's Hp position On the structure extended;Or as another kind of detailed description of the invention, the first mike 110 can be single equipment and be worn It is worn near user's lip.First mike 110, for gathering the first acoustical signal, mainly comprises user in the first acoustical signal Voice, it also can include ambient sound certainly.Described first mike 110 can be a mike, also wheat Gram wind array;
Contrary with the first mike 110, second microphone 120 is arranged at away from user's lip direction;Concrete in one In embodiment, when described Headphone device 100 headband receiver or In-Ear Headphones, second microphone 120 is arranged on earphone Farthest with user's lip distance on body, and position in opposite direction.Or as another kind of detailed description of the invention, the second wheat Gram wind 120 can be the position that single equipment is worn on user away from its lip.Second microphone 120 is used for adopting Collection second sound signal, mainly comprises ambient sound in second sound signal, it also can include user speech certainly.Described Two mikes 120 can be a mike, also microphone array;
Wireless communication module 170 is used for and external electronic device (such as smart mobile phone, panel computer, notebook computer, platform Formula computer, in-vehicle communication system etc.) set up wireless telecommunications connection, by the audio signal transmission from microprocessing unit 130 to institute State microprocessing unit 130, and receive the audio signal from external electronic device.Described wireless communication module 170 can be blue Tooth communication module.
Speaker 150 is for playing audio signal.
Microprocessing unit 130 is for being controlled modules, and it can have several functions pattern.
Command interface 160 is able to receive that the control instruction of outside, and described control instruction enters phase for notice microprocessing unit The instruction of the functional mode answered, command interface 160 is after receiving these instructions, by this instruction transmission to described microprocessing unit 130, so that microprocessing unit 130 enters corresponding functional mode.
Described command interface 160 can be button, sends entrance by triggering this button to microprocessing unit 130 corresponding The instruction of pattern, described button can be multiple, it is also possible to is one.Described command interface 160 can also be speech recognition Interface, user says phonetic control command set in advance, described this voice control command of speech recognition interface identification to micro- Processing unit sends the instruction entering corresponding modes.
One of the feature of Headphone device 100 in the present invention, advantage are: described microprocessing unit 130 have one or Multiple functional modes, each functional mode has the control instruction of oneself correspondence.To be made introductions all round the most described earphone below The newly-increased functional mode of device 100.
Environmental sound reminding pattern
In one embodiment, described microprocessing unit 130 has environmental sound reminding pattern, and now, described control refers to Order includes entering environmental sound reminding mode instruction and exiting environmental sound reminding instruction.
Fig. 2 is the functional flow diagram of the environmental sound reminding pattern of the Headphone device in the present invention.As shown in Figure 2, exist Step 210 place judges whether to receive environmental sound reminding mode instruction, after receiving entrance environmental sound reminding mode instruction, and institute State microprocessing unit and enter environmental sound reminding pattern in step 220 place.
Under environmental sound reminding pattern, enter step 230, utilize the first mike 110 to gather ambient sound, with laggard Enter step 240, real-time for the ambient sound of collection is play by described speaker 150, to remind the most real-time ring of user Border sound.Certainly, in an alternative embodiment, it is also possible to select second microphone 120 to gather ambient sound.Should be noted that , ambient sound that the first mike 110 or second microphone 120 gather can by real-time, timely pass through described in raise one's voice The ambient sound of a period of time is play rather than first recorded to device 150, then plays the ambient sound of recording, so so that use Real-time ambient sound is heard at family as far as possible, the most significantly postpones without having.Collected from described ambient sound, to institute Stating ambient sound to be play by speaker, the time delay being separated by is the shortest, and such as time delay can be less than 1 second.At an example In, it is possible to use the ambient sound that buffer gathers, subsequently real-time for the ambient sound of caching is play by speaker.
Subsequently enter step 250, it may be judged whether receive and exit environmental sound reminding mode instruction, exit ambient sound receiving After the instruction of sound indicating mode, described microprocessing unit exits environmental sound reminding pattern in step 260.Selectable at another In embodiment, after environmental sound reminding mode duration scheduled duration, environmental sound reminding pattern can be automatically exited from, now may be used Not exit environmental sound reminding mode instruction.It is, of course, also possible to use other mode, exit environmental sound reminding mould Formula.
So, user wear Headphone device listen music or get through words time, if need with other people greet, in other words Words, it is only necessary to send environmental sound reminding mode instruction by command interface 160, it is possible to make Headphone device enter ambient sound Sound indicating mode, now user need not take earphone can also hear outside ambient sound, such as other people sound, also may be used To exchange with other people by normal volume, greatly facilitate the use of people.Often it will be seen that wear in actual life Earphone listens the user of music when exchanging with other people, needs to take earphone and can catch other people sound, can Exchange with other people with normal quantity, Headphone device can not be taken the most completely.
When described command interface 160 is button, entrance environmental sound reminding mould can be sent by triggering this button Formula instructs and/or exits environmental sound reminding mode instruction, and this button can be specific keys newly-increased on earphone, such as presses Specific keys indicates entry into environmental sound reminding mode instruction, then clicks this specific keys and represent and exit environmental sound reminding mould Formula instructs;Also it is " specific keys " formed after the conventional keys on earphone sets specific mode of operation, the most continuously By the volume+button on 3 earphones, then enter environmental sound reminding pattern.If it is to say, the user's load conversed The heart oneself one's voice in speech is the biggest, it is only necessary to press specific keys, it is possible to listen to oneself residing ambient sound, and according to ring The size of border sound adjusts volume when oneself speaking.This application is the most practical for the user sung with earphone.I Know, present audiophiles with earphone with singing time, usually because oneself can't hear or do not hear what oneself sent Sound, actual with singing time the most out of tune and ridiculed by people around and dislike and avoid.The environment that the Headphone device of the present invention is provided Sound prompting pattern, can allow person who follows along with the song after wearing earphone, both hear music primary sound, can hear again oneself with the sound sung, Make person who follows along with the song can revise the song of oneself in time.Therefore, the present invention is using earphone call or is listening to the voice contents such as music While, Headphone device real-time recording can be passed through and listen to the ambient sound around oneself and the sound oneself sent, thus Building a voice environment the most not wearing earphone for user, it is simple to operate, easy to use, and can exempt some not Necessary embarrassment.
When described command interface is speech recognition interface, can be each voice in advance in described speech recognition interface Control instruction trains multiple phonetic control command templates, and user says phonetic control command set in advance afterwards, so that institute State speech recognition interface and can identify this voice control command.Specifically, user is for entering environmental sound reminding mode instruction thing First one phonetic control command template of training, user repeatedly says " entering environmental sound reminding pattern " this section words, exists afterwards When formally using, when user says " entering environmental sound reminding pattern ", described speech recognition interface just can recognize that it is " to enter Enter environmental sound reminding mode instruction ".Based on same mode, it is also possible to user is for exiting environmental sound reminding mode instruction thing First one phonetic control command template of training, the most just can be sent by voice and exit environmental sound reminding mode instruction ?.In use, user wish with other people exchange time, it is only necessary to say " enter environmental sound reminding pattern ", it is possible to listen To outside environmental sounds, can exchanging normally with other people, after exchange, " exiting environmental sound reminding mould as long as saying Formula " just can exit environmental sound reminding pattern.
In one embodiment, under environmental sound reminding pattern, can suspend and be currently needed for broadcasting in described speaker The broadcasting of the audio signal put.Such as, user is listening music, after entering environmental sound reminding pattern, can suspend current The music play, and commence play out the ambient sound of recording.After exiting environmental sound reminding pattern, recover to be currently needed for The broadcasting of the audio signal play in described speaker.
In a preferred embodiment, described Headphone device is stereo earphone, and described speaker 150 includes a left side Channel loudspeaker and right channel loudspeaker.Under environmental sound reminding pattern, the audio signal being currently needed for playing can be passed through One in left channel loudspeaker and right channel loudspeaker plays out, and can be passed through by real-time for the ambient sound of collection simultaneously Another in left channel loudspeaker and right channel loudspeaker plays out.The most both the sound being currently played can be heard Happy, external environmental sounds can be heard again, preferably experience to user.
In a preferred embodiment, the first acoustical signal of the first mike collection 110 is entered by microprocessing unit 130 Row speech detection (Voice Activity Detection, voice activity detection), when voice being detected, then sends entrance ring Border sound prompting mode instruction so that described microprocessing unit 130 enters environmental sound reminding pattern.This way it is not necessary to pass through Command interface 160 inputs control instruction, it is also possible to make described microprocessing unit 130 enter environmental sound reminding pattern.
In one embodiment, each environmental sound reminding pattern can be set and be able to maintain that scheduled duration, in ambient sound After sound indicating mode maintains scheduled duration, it is possible to automatically exit from described environmental sound reminding pattern.
Decibel indicating mode
In one embodiment, described microprocessing unit 130 has a decibel indicating mode, and now, described control instruction can To include entering the instruction of decibel indicating mode, after receiving entrance decibel indicating mode instruction, the entrance point of described microprocessing unit Shellfish indicating mode.When decibel indicating mode, microprocessing unit 130 detection obtains the decibel value of the sound that user hears, and leads to Cross described speaker and report described decibel value.In another embodiment, described microprocessing unit 130 can be constantly in described Under decibel indicating mode, just enter without corresponding instruction.
In one embodiment, described control instruction can also include exiting a decibel indicating mode instruction, exits receiving After decibel indicating mode instruction, described microprocessing unit exits a decibel indicating mode.In another selectable embodiment, Decibel indicating mode order persistence scheduled duration, or, after having reported decibel value, environmental sound reminding mould can be automatically exited from Formula.It is, of course, also possible to use other mode, exit a decibel indicating mode.
Decibel indicating mode can be simultaneously activated when microprocessing unit is under other functional mode, in order to Ke Yisui Time monitor the decibel value of sound in incoming user's ear, protect hearing user.
Fig. 3 is described microprocessing unit 130 structured flowchart in one embodiment.As shown in Figure 3, described micro-process Unit 130 includes that decibel value forms unit 131 and decibel voice forms unit 132.Described decibel value forms unit 131 and is used for The sound heard according to user during decibel indicating mode obtains its decibel value, and described decibel voice forms unit 132 for decibel Decibel value during indicating mode formed described decibel value formation unit 131 carries out phonetic synthesis and obtains a decibel voice signal, and Described decibel voice signal is sent to described speaker play.
In one embodiment, as shown in Figure 1, described Headphone device 100 is additionally included in described Headphone device and is worn In with the 3rd mike (not shown) of earhole near user time in account.Fig. 4 is the decibel of the Headphone device in the present invention Indicating mode functional flow diagram in one embodiment.As shown in Figure 4, when decibel indicating mode, in step 410 place, Gathered the sound near the earhole of user by the 3rd mike 180, subsequently in step 420 place, calculate the 3rd Mike's elegance collection The decibel value of sound.The sound that 3rd mike 180 collects can include the sound that described speaker 150 plays back, also Can include that external environment condition passes to the sound near the earhole of user.Subsequently, in step 430, calculated decibel value is entered Row phonetic synthesis obtains a decibel voice signal.Finally, in step 440, speaker described decibel voice signal is reported.So, User just can hear that decibel value is reminded, thus protects the ear of user, if sound is more than 80 decibels, user may will drop Amount of bass, or stop less in this region.In this embodiment, described Headphone device is preferably Headphone device, and It not In-Ear Headphones device, so can have enough spaces to place described 3rd mike 180.
In another selectable embodiment, in described memory element 180, storage has the output power consumption of this Headphone device The corresponding relation of the decibel value of the sound heard with user, output power consumption is the biggest, and corresponding decibel value also can be the biggest.This correspondence is closed System can be obtained by test in advance, concrete so that the output power consumption of described Headphone device is under different value, described defeated Go out power consumption when being under a value, measure the decibel value at speaker 150 described in device measuring with the decibel value of specialty, record The value of this output power consumption and the corresponding relation of described decibel value.When decibel indicating mode, decibel value forms unit 131 detection should The output power consumption of Headphone device, and the corresponding pass of the decibel value of the sound heard by output power consumption and the user of this Headphone device Being the decibel value of the sound finding user currently to be heard, now the main audio frequency considering the described required broadcasting of speaker 150 is believed Number impact, the audio signal that speaker 150 is play can be from the audio signal of external electronic device, or from The audio signal of the first mike 110, or the audio signal from second microphone 120;It can also be described micro-process Unit 130 carries out noise reduction process based on second sound signal to the first acoustical signal, to eliminate the environment in the first acoustical signal Noise, and the acoustical signal after noise reduction process is exported to described speaker 150 using as the described required broadcasting of speaker 150 Audio signal, or export after the acoustical signal after noise reduction process is mixed with the audio signal from external electronic device To described speaker 150 using as the described required audio signal play of speaker 150.
In a particularly preferred embodiment, in described memory element 180, also storage has predetermined decibel threshold and pre- Determining the duration threshold that decibel threshold is corresponding, the decibel value detected at described microprocessor 130 exceedes predetermined decibel threshold And when being continued above duration threshold corresponding to predetermined decibel threshold, then can report the described decibel value detected, it is possible to Automatically to reduce the volume of speaker 150, it is also possible to be automatically stopped the broadcasting of current audio signals.So can preferably protect The audition of user.
In one embodiment, when decibel indicating mode, report a decibel value every scheduled duration.Such as, every Within 20 seconds, report a decibel value.In another embodiment, when decibel indicating mode, at microprocessing unit 130 based on the 3rd When the decibel value that the sound of mike collection obtains exceedes predetermined decibel threshold (such as 80 decibels, 90 decibels etc.), institute can be passed through State speaker 150 and report described decibel value.
When described command interface 160 is button, entrance decibel indicating mode can be sent by triggering this button and refer to Order or exit the instruction of decibel indicating mode, this button can be specific keys newly-increased on earphone, is also normal on earphone " specific keys " that rule are formed after pressing the specific mode of operation of key assignments.Such as trigger specific keys and indicate entry into decibel prompting mould Formula instructs, and again triggers this specific keys and represents that exiting decibel indicating mode instructs.If it is to say, user wishes to know mesh Before hear the height of sound time, it is only necessary to trigger specific keys the most permissible, speaker 150 will be reported decibel now Value, can trigger specific keys again and just can exit a decibel indicating mode instruction.It is of course also possible to reporting this time decibel value After, automatically exit from a decibel indicating mode.
When described command interface is speech recognition interface, can be each voice in advance in described speech recognition interface Control instruction trains multiple phonetic control command templates, and user says phonetic control command set in advance, described voice afterwards Identify that interface just can identify this voice control command.Specifically, user is for entering decibel indicating mode instruction precondition one Individual phonetic control command template, user repeatedly says " entering decibel indicating mode " this section words, afterwards when formally using, uses When " entering decibel indicating mode " is said at family, described speech recognition interface just can recognize that it is " entering decibel indicating mode ". Based on same mode, it is also possible to user is for exiting decibel indicating mode instruction one phonetic control command template of precondition.
Local call situation affirmation mode
In one embodiment, the Headphone device 100 of the present invention can have dual microphone decrease of noise functions, the most described first wheat Gram wind 110 gathers the first acoustical signal, and described second microphone 120 gathers second sound signal, described microprocessing unit 130 base In second sound signal, the first acoustical signal is carried out noise reduction process, to eliminate the environment noise in the first acoustical signal, so, First acoustical signal can more clearly be transferred to the partner person of far-end, thus improves the quality of voice call.
The Headphone device 100 of the present invention also can have active noise reduction function, and the most described second microphone 120 gathers the rising tone Tone signal, described microprocessing unit 130 produces an antinoise waveform in contrast based on second sound signal, and by raising This antinoise sound wave play by sound device, thus reaches to offset the purpose of environment noise.Such Headphone device 100 passes through active noise Eliminate the mode combined with passive noise-reducing design, eliminate the environment noise impact on earphone user significantly, permissible Obtain apparent audibility.
But, existing dual microphone decrease of noise functions is various former because of the noise particularity under noise reduction algorithm, varying environment etc. Because causing noise reduction instability.And active noise reduction function makes earphone user more cannot clearly hear the sound oneself sent Sound.Under some specific application scenarios, earphone user is not intended to partner completely and hears oneself residing ambient sound Sound, when such as receiving calls in meeting, does not wants to allow the other side hear any conference content, and now, earphone user is not probably due to Can confirm that the dual microphone decrease of noise functions of earphone is the most useful, or be necessary to ensure that the other side has been only hearing and oneself be ready that he listens The content arrived, and it is on-the-spot to have to must come out meeting.Under other specific application scenarios, earphone user be also required to and Time listen to the sound oneself sent, to control volume, to correct pronunciation mistakes.
The local call situation affirmation mode of the present invention may help to user and grasps the sound oneself sent in time, and The content that the other side is heard.
In one embodiment, described microprocessing unit 130 has local call situation affirmation mode, now, described control Instruction processed includes entering the instruction of local call situation affirmation mode, after receiving entrance local call situation affirmation mode, described Microprocessing unit enters local call situation affirmation mode.
Fig. 5 is the local call situation affirmation mode functional sequence in one embodiment of the Headphone device in the present invention Figure.Under local call situation affirmation mode, in one embodiment, in step 510 place, can record and drop through dual microphone Make an uproar process after the first acoustical signal, subsequently, in step 520 place, will record after dual microphone noise reduction process first Acoustical signal is play by described speaker 150;So, the local call situation affirmation mode of the present invention makes earphone user The sound oneself sent can be heard and understand the sound effect that the other side listens to.In one embodiment, at record through noise reduction After the acoustical signal scheduled duration processed, just by the acoustical signal after noise reduction process of the scheduled duration of record by described Speaker is play.
In one embodiment, playing the first acoustical signal after dual microphone noise reduction process, can suspend Be currently needed in described speaker the broadcasting of audio signal play, described in be currently needed in described speaker the sound play Frequently signal can be music data, it is also possible to be the source of sound of far-end.
In another preferred embodiment, described speaker 150 includes left channel loudspeaker and right channel loudspeaker, Under local call situation affirmation mode, the audio signal being currently needed for playing can be raised one's voice by left channel loudspeaker and R channel One in device plays out, and is raised one's voice by L channel by first acoustical signal after dual microphone noise reduction process of record Another in device and right channel loudspeaker plays out.So, under local call situation affirmation mode, it is possible not only to understand The sound effect that the other side listens to, it is also possible to do not hinder the broadcasting of the audio signal (source of sound of such as far-end) being currently needed for broadcasting, Improve Consumer's Experience.
Local call situation affirmation mode can be automatically exited from after broadcasting.Certainly, in other embodiments, it is also possible to select Other modes exit local call situation affirmation mode, such as exit originally by exiting local call situation affirmation mode to instruct Ground call scenarios affirmation mode.
When described command interface 160 is button, entrance local call situation can be sent by triggering this button true Recognize mode instruction, such as press specific keys and indicate entry into the instruction of local call situation affirmation mode.
When described command interface 160 is speech recognition interface, user says phonetic control command set in advance, described This voice control command of speech recognition interface identification also sends entrance local call situation affirmation mode instruction.
The selection of local call environmental pattern
In one embodiment, described microprocessing unit 130 has multiple local call environmental pattern, now, described control System instruction includes entering the instruction of each local call environmental pattern, is receiving the finger entering corresponding local call environmental pattern After order, described microprocessing unit enters corresponding local call environmental pattern.Under a local call environmental pattern, the first wheat Gram elegance collection the first acoustical signal, second microphone gathers second sound signal, and microprocessing unit is based on second sound signal pair First acoustical signal carries out selectively noise reduction process, retains the environment of predefined type corresponding to this local communication environmental pattern Noise (or claiming ambient sound), and eliminate the environment noise of remaining type.
In the application, the plurality of local call environmental pattern can include that Office Call environmental pattern, highway are conversed Environmental pattern, family's call environment pattern etc., it is possible to achieve select to enter which local call environmental pattern.Entering a basis Ground call environment pattern, such as during family's call environment pattern, then allow in the first acoustical signal is relevant with home environment Environment noise is retained, and gets rid of the environment noise unrelated with home environment, and the environment noise relevant with home environment is permissible Including the sound of child, doorbell sound etc..
Same, when entering Office Call environmental pattern, then allow in the first acoustical signal and office environment Relevant environment noise is retained, and gets rid of the environment noise unrelated with office environment, the ring relevant with office environment Border noise can include base the tinkle of bells etc..
In one embodiment, described microprocessing unit identifies this local communication environmental pattern from second sound signal The ambient sound of corresponding predefined type, and it is corresponding to remove this local communication environmental pattern identified from the first acoustical signal The ambient sound of predefined type, utilize remaining acoustical signal that the first acoustical signal is carried out noise reduction process.
In one embodiment, described microprocessing unit 130 is isolated based on second sound signal and the first acoustical signal User speech and environmental noise, and adjust user speech and the mixed proportion of ambient sound according to the selection of user.
When described command interface 160 is button, each local call ring of entrance can be sent by triggering this button The instruction of border pattern, such as presses specific keys and indicates entry into the instruction of certain local call environmental pattern.Connect in described order When mouth 160 is speech recognition interface, user says phonetic control command set in advance, described this language of speech recognition interface identification Sound control command also sends the instruction entering each local call environmental pattern.
Described above the most fully discloses the detailed description of the invention of the present invention.It is pointed out that and be familiar with this field Any change that the detailed description of the invention of the present invention is done by technical staff is all without departing from the scope of claims of the present invention. Correspondingly, the scope of the claim of the present invention is also not limited only to previous embodiment.

Claims (9)

1. a Headphone device, it is characterised in that comprising:
Being disposed in proximity to the first mike of the position of user's lip, it is for gathering the first acoustical signal;
Wireless communication module, is connected for setting up wireless telecommunications with external electronic device, is believed by the audio frequency from microprocessing unit Number transmission is to described external electronic device, and receives the audio signal from external electronic device;
Speaker, for playing audio signal;
Microprocessing unit, it has a decibel indicating mode;
When decibel indicating mode, the decibel value of the sound that the user of microprocessing unit acquisition Headphone device is heard, and pass through Described speaker reports described decibel value.
Headphone device the most according to claim 1, it is characterised in that it also includes: memory element,
In described memory element, storage has the corresponding of decibel value of the sound that the output power consumption of this Headphone device and user hear to close System, when decibel indicating mode, microprocessing unit detects the output power consumption of this Headphone device, and by the output of this Headphone device The corresponding relation of the decibel value of the sound that power consumption and user hear finds the decibel value of the sound that user currently heard, and should Decibel value is converted into a decibel voice signal, is reported by described speaker.
Headphone device the most according to claim 2, it is characterised in that:
In described memory element, also storage has predetermined decibel threshold and duration threshold corresponding to predetermined decibel threshold, in institute State the decibel value that microprocessor detects exceed predetermined decibel threshold and be continued above the persistent period that predetermined decibel threshold is corresponding During threshold value, then report the described decibel value detected, automatically reduce the volume of speaker, or be automatically stopped current audio signals Play.
Headphone device the most according to claim 1, it is characterised in that: described microprocessor is constantly in decibel and reminds mould Formula, or receiving after outside control instruction, described microprocessing unit enters decibel indicating mode.
Headphone device the most according to claim 1, it is characterised in that it also includes being arranged at the near user's earhole Three mikes, the sound near the earhole of the 3rd Mike elegance collection user,
When decibel indicating mode, microprocessing unit sound based on the 3rd Mike's elegance collection obtain the sound that user hears point Shellfish value, and this decibel value is converted into a decibel voice signal, reported by described speaker.
Headphone device the most according to claim 1, it is characterised in that
Described microprocessing unit also has local call situation affirmation mode, under local call situation affirmation mode, and described One mike gathers the first acoustical signal, and described first acoustical signal output is broadcast by described microprocessing unit to described speaker Put.
Headphone device the most according to claim 1, it is characterised in that: also include being arranged at away from user's lip direction Two mikes, it is for gathering the second voice signal;
Described microprocessing unit also has local call situation affirmation mode, under local call situation affirmation mode, described micro- Processing unit carries out noise reduction process based on second sound signal to the first acoustical signal, to eliminate the environment in the first acoustical signal Noise, and the acoustical signal after noise reduction process is exported to the broadcasting of described speaker.
8., according to the Headphone device one of claim 1 to 7 Suo Shu, it is characterised in that also include command interface, it can connect Receiving from outside control instruction, described control instruction is the instruction that notice microprocessing unit enters corresponding pattern, and order connects Mouth is after receiving these instructions, by this instruction transmission to described microprocessing unit, so that microprocessing unit enters corresponding pattern.
Headphone device the most according to claim 8, it is characterised in that described command interface includes button, should by triggering Button and send the instruction that enters corresponding pattern to microprocessing unit, or, described command interface includes speech recognition interface, User says phonetic control command set in advance, and described this voice control command of speech recognition interface identification also processes list to micro- Unit sends the instruction entering corresponding modes.
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