CN101745186B

CN101745186B - Brain wave simulator

Info

Publication number: CN101745186B
Application number: CN2008101825646A
Authority: CN
Inventors: 王逸群; 李志强
Original assignee: High Tech Computer Corp
Current assignee: HTC Corp
Priority date: 2008-12-05
Filing date: 2008-12-05
Publication date: 2012-01-11
Anticipated expiration: 2028-12-05
Also published as: CN101745186A

Abstract

The present invention provides a brain wave simulator arranged on a portable device. The portable device can receive first sound signals. The simulator comprises an arithmetic unit, a frequency converter, a first loudspeaker and a second loudspeaker, wherein the arithmetic unit is used for converting the first sound signals of time domain to second sound signals of frequency domain; the frequency converter is used for receiving the second sound signals and converting the second sound signals into third sound signals by overlaying or reducing specific frequency, and the specific frequency corresponds to brain wave frequency; the first loudspeaker is used for outputting the second sound signals; the second loudspeaker is used for outputting the third sound signals.

Description

Brain wave simulator

Technical field

The present invention relates to a kind of simulator, relate in particular to a kind of brain wave simulator that is used to simulate brain wave signal.

Background technology

Everyone, every day, each second, no matter what is being done, even in bed, our brain all can produce " current impulse " every now and then, and these are referred to as " E.E.G " by the electric current that brain produced.

E.E.G divides according to frequency, is broadly divided into four big types: β ripple (consciousness), α ripple (consciousness and subconscious bridge), θ ripple (subconsciousness) and δ ripple (unconscious), the combination of these consciousness has formed the inside and outside in behavior and performance in study of a people.

Therefore, how to utilize E.E.G, cooperate E.E.G to change the inside and outside of a people, promptly become the target of pursuit in behavior and enhancement performance in study.

Summary of the invention

Therefore the object of the invention is exactly that a kind of portable device of simulating E.E.G is being provided, and through sending corresponding specific brain regions wave frequency, changes the inside and outside in behavior and enhancement performance in study of a people.

For reaching above-mentioned purpose; The present invention provides a kind of brain wave simulator; Be arranged in the portable device; Wherein this portable device can receive first acoustical signal, and this brain wave simulator comprises at least: arithmetical unit, become second sound signal in order to this first acoustical signal is carried out fourier transform (Fourier Transform); Frequency modulator receives this second sound signal, and this second sound signal frequency superposeed or reduce CF becomes the 3rd acoustical signal, wherein the corresponding frequency of brain wave of this CF; First speaker is in order to export this second sound signal; And second speaker, in order to export the 3rd acoustical signal.

According to this, the present invention utilizes portable device to simulate the brain frequency of brain wave, lets user when using portable device, remain on joyful mood.

Description of drawings

For letting above-mentioned and other purposes of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, appended graphic detailed description be following:

Fig. 1 has illustrated according to the present invention the brain wave simulator skeleton diagram of one preferred embodiment.

Fig. 2 has illustrated according to the present invention the brain wave simulator skeleton diagram of another preferred embodiment.The main element description of symbols

101 arithmetical units of 100 brain wave simulators

102 frequency modulators, 103 first speakers

104 second speakers, 110 callers reply sound

112 acoustical signals, 120 audio-video systems

The specific embodiment

E.E.G divides according to frequency, is broadly divided into four big types: β ripple (consciousness), α ripple (consciousness and subconscious bridge), θ ripple (subconsciousness) and δ ripple (unconscious).Following table is the respective frequencies of each E.E.G, and the inside and outside of individual reaches performance in study in behavior relatively:

β ripple (12～38 hertz)	α ripple (8～12 hertz)
		The ripple that belongs to " consciousness aspect ".The source of intelligence.The ripple that needs when logic thinking, calculating, reasoning.When clear-headed.Attention concentrates on external sense organ in the world.Want hardy to deal with problems.Pressure is very big, psychology is uncomfortable, nervous, worry, uneasy.	It is the bridge between " consciousness and subconsciousness aspect ".Do daydreaming.The source physical relaxation of imaginative power, absent-minded, open ambition.

θ ripple (4～8 hertz)	δ ripple (0.5～4 hertz)
		The ripple that belongs to " subconsciousness aspect ".There are memory, consciousness and emotion.Influence attitude, expectation, conviction, behavior.The source of creativity and inspiration.Sound sleep is dreamed, degree of depth when meditation.Soul awareness, individual experience are strong, have a strong temperament.	The ripple that belongs to " unconscious aspect ".Needed when being the sleep that regains one's strength.The source of intuitive and the sixth sense.The radar fence of consciousness.

The present invention is through sending corresponding specific brain regions wave frequency, coming and the brain synchronous operation, brain is bestowed certain stimulation.In one embodiment, the present invention sees through the modulation sound wave, sends specific frequency, comes to produce resonance effect with corresponding E.E.G.

Fig. 1 has illustrated the skeleton diagram of the brain wave simulator 100 of one preferred embodiment according to the present invention.Wherein this brain wave simulator 100 can be applicable in any device that sends the sound.In a preferred embodiment, this brain wave simulator 100 is to be installed in the mobile device, for example in the mobile phone, can carry out synchronous modulation to caller's the sound of replying, and export the sound of replying of corresponding specific E.E.G, the emotion of remote-effects user.Below will application of the present invention be described with the embodiment that the present invention is applied to portable device.

Brain wave simulator 100 as shown in Figure 1 comprises arithmetical unit 101, frequency modulator 102, first speaker 103 and second speaker 104.Wherein for example be the Fourier analysis device arithmetical unit 101, replys sound 110 in order to what receive the caller, transfers frequency domain (Frequency domain) in order to the digital signal with collected sound to by time domain (Time domain).In order to resolve the scope place that its frequency of people's one's voice in speech is located in, (Fast Fourier Transform FFT) carries out signal processing, and the signal of script time domain is changed into frequency domain therefore to utilize fast fourier transform.The caller that first speaker, 103 concatenation operation devices 101 will finish after the fourier transform replys sound output.

Frequency modulator 102 concatenation operation devices 101, the caller that reception changes into behind the frequency domain replys sound, carries out the modulation that the caller replys acoustic frequency.The modulation of its frequency is to carry out modulation according to the mimic specific brain regions wave frequency of institute's desire.In a preferred embodiment, for example the mimic E.E.G of institute's desire is for belonging to the β ripple of " consciousness aspect ", and its frequency is at 12～38 hertz, and this moment, frequency modulator 102 was replied acoustic frequency stack or subduction β wave frequency with the caller who is received.And the caller that will superpose or reduce after the β wave frequency replys sound, by 104 outputs of second speaker.Wherein first caller of speaker 103 after output finishes fourier transform replys in the sound, and the caller that second speaker 104 can be exported after stack or the subduction β wave frequency replys sound.

For example, suppose that this caller replys sound 110 through after carrying out fast fourier transform arithmetical unit 101, its frequency is 200 hertz, and 103 callers that are output as 200 hertz of first speaker this moment reply sound.If institute's mimic E.E.G of desire is 20 hertz a β ripple, frequency modulator 102 promptly can be replied acoustic frequency with 200 hertz of callers that received and superposeed or reduce 20 hertz this moment.If superpose 20 hertz, then 104 callers that are output as 220 hertz of second speaker reply sound.Because people's ear can't be distinguished the close but different audio of frequency, as 200 hertz with 220 hertz.When but two sound send simultaneously; What heard is promptly 210 hertz of the meansigma methodss of two sound, hears that simultaneously this sound has 20 strong and weak variations that rise and fall each second, just is the poor of frequency; This phenomenon is " beat frequency " (beat), equals the mimic 20 hertz of E.E.Gs of institute's desire.According to this, user can remain under the mood good state when receiving calls.

In another embodiment; When this portable device is non-when being used in telephone answering, user also can be used as music player with it, and is as shown in Figure 2; Play the music of a corresponding specific brain regions wave frequency; The signal that imports arithmetical unit 101 into is another acoustical signal 112 that non-caller replys sound 110 this moment, for example, and a music signal that is sent for portable device audio-video system 120 thus.In this embodiment, this portable device also can comprise selectivity user interface 105, provides user to select the mimic specific brain regions wave frequency of desire, i.e. β ripple (consciousness), α ripple (consciousness and subconscious bridge), θ ripple (subconsciousness) or δ ripple (unconscious).When if to select mimic E.E.G be 20 hertz β ripple; At first can carry out fourier transform with the acoustical signal that receives 112 arithmetical unit 101; Make this acoustical signal 112 transfer frequency domain to and through the output of first speaker 103 by time domain, frequency modulator 102 then can with transfer to acoustical signal 112 behind the frequency domain superpose or reduce 20 hertz after by 104 outputs of second speaker.According to this, when this portable device is non-when being used in telephone answering, user also can be used as music player with it, plays the music of a corresponding specific brain regions wave frequency.

In addition; In another embodiment; Also can not use twin loudspeaker, only use a speaker to simulate the specific brain regions wave frequency, when for example user is selected the β ripple of 20 hertz of simulations through user interface 105; This moment, the portable device audio-video system sent 20 hertz acoustical signal, and was exported by first speaker 103 through carrying out fourier transform arithmetical unit 101.Though people's ear can't be heard this low frequency signal of 20 hertz, can with the brain synchronous operation, brain is bestowed certain stimulation.

In another embodiment; Also can use microwave to simulate the specific brain regions wave frequency; For example, in the time of in GSM800 system conversation, if during the β ripple of 20 hertz of desire simulations; Radio circuit capable of using superposes 800 hertz microwave or reduces 20 hertz and through antenna output, produces the mimic 20 hertz of β ripples of institute's desire.

Comprehensive above-mentioned institute says; Utilize portable device to simulate the brain E.E.G as the convenience of electric wave and acoustic wave source; And and then the user that superposes out in addition of the microwave signal when sound wave when mobile phone communication, will talk the time or conversation feel to loosen or happy E.E.G, let user remain on joyful mood.

Though the present invention discloses as above with preferred embodiment; Right its is not that the person of ordinary skill in the field is not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing various changes and retouching, so protection scope of the present invention is when being as the criterion with claim.

Claims

1. a brain wave simulator is arranged in the portable device, and wherein this portable device can receive first acoustical signal, and this brain wave simulator comprises at least:

Arithmetical unit, in order to this first acoustical signal is converted into second sound signal, wherein this first acoustical signal is a time-domain signal, and this second sound signal is a frequency-region signal;

Frequency modulator becomes the 3rd acoustical signal in order to this second sound signal frequency is superposeed or reduces CF, wherein the corresponding frequency of brain wave of this CF;

First speaker is in order to export this second sound signal; And

Second speaker is in order to export the 3rd acoustical signal.

2. brain wave simulator according to claim 1 is characterized in that carrying out this arithmetical unit fourier transform this first acoustical signal is converted into this second sound signal.

3. brain wave simulator according to claim 1 is characterized in that this CF is the δ wave frequency of 0.5～4 hertz of θ wave frequency or frequency range of 4～8 hertz of α wave frequency, frequency ranges of 8～12 hertz of β wave frequency, the frequency ranges of 12～38 hertz of frequency ranges.

4. brain wave simulator according to claim 1; It is characterized in that when this portable device is mobile phone; This first acoustical signal is caller's acoustical signal, and maybe when this portable device possessed audio-video system, this first acoustical signal was the music signal that this audio-video system produced.

5. brain wave simulator according to claim 1 is characterized in that this brain wave simulator comprises that also the user interface is in order to select this CF.

6. a brain wave simulator is arranged in the portable device, and this brain wave simulator comprises at least:

Arithmetical unit, become secondary signal in order to first signal is superposeed or reduce CF, wherein the corresponding frequency of brain wave of this CF; And

Output unit is in order to export this secondary signal.

7. brain wave simulator according to claim 6; It is characterized in that this first signal is an acoustical signal; This output unit is a speaker; Is this secondary signal and utilize fourier transform this arithmetical unit with this first conversion of signals, and wherein this first signal is a time-domain signal, and this secondary signal is a frequency-region signal.

8. brain wave simulator according to claim 6 is characterized in that be radio circuit this arithmetical unit, and this first signal is a microwave signal, and this output unit is an antenna.

9. brain wave simulator according to claim 6 is characterized in that this CF is the δ wave frequency of 0.5～4 hertz of θ wave frequency or frequency range of 4～8 hertz of α wave frequency, frequency ranges of 8～12 hertz of β wave frequency, the frequency ranges of 12～38 hertz of frequency ranges.

10. brain wave simulator according to claim 6 is characterized in that this brain wave simulator comprises that also the user interface is in order to select this CF.