CN1218603A - Process and device for transmitting sound - Google Patents
Process and device for transmitting sound Download PDFInfo
- Publication number
- CN1218603A CN1218603A CN97194598A CN97194598A CN1218603A CN 1218603 A CN1218603 A CN 1218603A CN 97194598 A CN97194598 A CN 97194598A CN 97194598 A CN97194598 A CN 97194598A CN 1218603 A CN1218603 A CN 1218603A
- Authority
- CN
- China
- Prior art keywords
- sound
- transmitting apparatus
- frequency
- people
- pass filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
- H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Headphones And Earphones (AREA)
- Stereophonic System (AREA)
- Toys (AREA)
- Transmitters (AREA)
- Golf Clubs (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Near-Field Transmission Systems (AREA)
- Percussion Or Vibration Massage (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Abstract
The aim is to improve a process and device for transmitting sound with the aid of at least one sound-transmission element which emits sound signals that can be perceived by a person, so as to ensure that low-frequency sound signals, as well as medium- and higher-frequency sound signals, can be transmitted very effectively in a technically simple and therefore inexpensive manner. To that end it is proposed that at least one sound-transmission element should be so arranged on the listener's body as to create a direct sound-transmission pathway from the sound transmission element via the Eustachian tubes to the auditory ossicles.
Description
The present invention relates to the method that a kind of sound transmits, it adopts at least a sound-transmitting apparatus, makes the people can receive voice signal.
Such method for example is used for the broadcast of the music that received by microphone or record in sound-carrier.This sound-transmitting apparatus refers to loud speaker or earphone, and the voice signal that they send is sensed people's auditory system through eardrum.Promptly through being placed in the room in or being installed in loud speaker in the earphone, eardrum is vibrated by voice signal, and voice signal is by hearing organ's reception of people.Specifically, the voice signal that sends passes to eardrum by auditory channel, makes its vibration, and vibration is transferred into people's inner ear bone then, and this 3rd bone continues this vibration is sent to the hearing organ by this so-called oval window.
There is weak point in this known method when transmission is lower than the voice signal of 700HZ frequency, reason is people's the sense of hearing for 700-6, and the voice signal in the frequency range of 000HZ is sensitive especially, that is to say, in this frequency range, only need a less acoustic pressure can feel this frequency.But different therewith is to need quite high acoustic pressure for feeling the frequency that is lower than 700HZ.These characteristics of people's the sense of hearing especially are unfavorable for the transmission effect of music, because in this case, the low-frequency sound signal that is lower than 700HZ is seriously subtracted sound.
Because this sound that subtracts, the voice signal that is used to play the rhythm is forced to withdraw to very less important status, greatly reduces the vividness of the music that transmits.In order to eliminate this side effect, there have been some different solutions at present, can improve the acoustic pressure of low-frequency sound signal.
For example, a known method is used to improve the overall strength of the music sound that is transmitted, because its damping curve becomes more smooth with the increase of acoustic pressure, thereby compares with the high-frequency sound signal with intermediate frequency, and the low-frequency sound signal is louder.
Yet the defective of this known method is intermediate frequency and high-frequency sound signal has the high sound pressure level, produces quite high loudness thus, and under extreme case, this loudness meets or exceeds people's pain limit, and over-burden to cause eardrum, and the time one can cause that for a long time the sense of hearing damages.
Another known method is to compare with the high-frequency sound signal with intermediate frequency, intentionally the low-frequency sound signal is amplified.Its advantage is not reach the pain limit in intermediate frequency and high-frequency range.But the defective of this method is must adopt to have variable amplifying power (amplification coefficient about 1 to 1 * 10
7) the amplifier of complexity could realize that this not only pays very big, and expense costliness also needs sizable energy to supply with in addition.In addition, this method also requires expensive sound-transmitting apparatus, and for example jumbo loud speaker because its complex structure, volume are big, must be made very big input in transportation.
Owing to above all kinds of reason, in fact said method can only be applied in big cinema and discotheque or similar site, but can not satisfy the requirement of private users such as family.
Therefore, the objective of the invention is to improve the method that described existing voice signal sends, make low-frequency sound signal and middle and high frequency voice signal can both by economically, simply technical and send effectively.
Start in the method for described sound transmission at this paper, the object of the present invention is achieved like this: for helping sending the low-frequency sound signal, sound-transmitting apparatus is positioned on the human body, thereby obtains from sound-transmitting apparatus through the direct transfer path of Eustachian tube to people's little ear bones.
Realize that to people's little ear bones particularly the transmission of low-frequency sound signal has significant advantage through Eustachian tube by the sound-transmitting apparatus that is placed on the human body, promptly avoided eardrum, and avoided the damping problem of eardrum thus.Therefore, need not to carry out the damping compensation, this refers to for example to amplify by variable audio frequency and sends the low-frequency sound signal so that adapt to the compensation that people's the sense of hearing is carried out.
This method can realize by enough simple technique devices, and only needs lower energy to supply with.Therefore this method also can be used on the mobile device.
On pure theory, sound-transmitting apparatus can be placed on each diverse location of human body, and for example, sound-transmitting apparatus can be placed in people's the pharyngolaryngeal cavity or nasal cavity.
Best is that sound-transmitting apparatus is placed near the human body breastbone, because breastbone links to each other with rib, links to each other with pleura by rib again, so vibration is sent to whole thoracic cavity, the thoracic cavity makes the air vibration in the lobe of the lung again.Therefrom, vibration is sent to Eustachian tube through oesophagus, is sent to little ear bones then therefrom again.The advantage of this method is that whole thoracic cavity forms an acoustic resonator, plays the effect of the band pass filter that is similar to known secondary woofer.People walk around the sound transmission effect that eardrum obtains especially to help sending the low-frequency sound signal thus.
Now recommend a very favorable method embodiment who is suitable for sending above-mentioned full frequency band voice signal, people pass through another sound-transmitting apparatus for example earphone or loud speaker transmission voice signal, make voice signal can be coupled to people's eardrum.
Like this, in and/or the high-frequency sound signal can transmit by eardrum in common mode, simultaneously, the low-frequency sound signal irrespectively is sent out by another special valid approach therewith, for example sends by the sound-transmitting apparatus on the breastbone zone that is placed in the people.
Sound-transmitting apparatus can be known loud speaker or acoustic resonator etc.
Purpose of the present invention can also realize by means of a kind of like this sound-transmitting apparatus, in this device, at least one sound-transmitting apparatus is positioned on the human body, thereby directly obtains from this sound-transmitting apparatus through the transmission sound path of Eustachian tube to people's little ear bones.
As for the selection of the audio signal through being placed in the sound-transmitting apparatus transmission on the human body like this, particularly advantageous is to connect at least one to be used for the distributor that voice signal distributes after at least one sound-transmitting apparatus.
Say in principle, can use different distributors, useful is that at least one distributor comprises at least one frequency filtering apparatus.
About frequency filter, can use different this type of devices of expecting, useful is to adopt low pass filter as frequency filter, says technically, realizes than being easier to.
Also possible is that the frequency filtering apparatus comprises frequency-selector, low pass filter and high pass filter.Wherein, by sending the eardrum of coupling audio through other dispensing device with the high-frequency sound signal in the high pass filter to the people.
Here the sound-transmitting apparatus of Kao Lving also can adopt different devices, and simple this type of device of technology is loud speaker and/or acoustic resonator.
Further details of the present invention and advantage applies in the following description, embodiment will be described in the description taken in conjunction with the accompanying drawings below in more detail.
In the accompanying drawing:
Fig. 1, the non-schematic flow sheet of sound transfer method of the present invention;
Fig. 2, sound-transmitting apparatus schematic diagram of the present invention.
Sound transfer method of the present invention at length is embodied among Fig. 1.As can be seen in Figure 1, voice signal is passed to distributor 50 from sound source 40.In principle, multiple device allows to be considered as distributor 50 uses.For example, frequency divider 50 can be frequency filter or frequency-selector, and the latter can realize by for example low pass filter 20 and high pass filter 30.The high-frequency sound signal is delivered to inner ear 80 through eardrum 60 thus, and the low-frequency sound signal is delivered to inner ear 80. through breastbone 70 and plays and for example realize by loud speaker 27,37.The loud speaker 27 of low pass filter polyphone connection is positioned near the breastbone 70 thus, and the loud speaker 37 that is connected with high pass filter is expressed as earphone forms in the drawings.Certainly, the low-frequency sound signal also can send by loud speaker 37.
Provided the example of a sound-transmitting apparatus among Fig. 2.It comprises a pickup or dispensing device 10, for example tape recorder or have is excited the microphone of amplifier, it transmits a signal to the frequency filtering apparatus that comprises low pass filter 20 and high pass filter 30 through holding wire 11, has only the low-frequency sound signal by low pass filter 20, because 20 voice signals that allow to be lower than 700HZ of the low pass filter here pass through, and more than the 700HZ frequency in and the high-frequency sound signal by from low pass filter 20 filterings.
On the contrary, have only the 700HZ frequency above in and the high-frequency sound signal can pass through high pass filter 30, and the voice signal below 700HZ is by from high pass filter 30 filterings.
For low pass filter 20 and high pass filter 30, the operating frequency range that the amplifier 25,35 of the suitable design that is attached thereto can be excited to separately, thereby the work of control loudspeaker 27,37 (sound-transmitting apparatus).
As mentioned above, loud speaker 27 is placed near the chest people's the breastbone 70, thereby forms from loud speaker 27 through the thoracic cavity to Eustachian tube then to the transmission sound path of the direct transmission of people's little ear bones.Thereby an additional resonant effect is played in people's thoracic cavity, is similar to the secondary woofer that is used to send the low-frequency sound signal in Audiotechnica.
By this device, in and the high-frequency sound signal utilize the acting in conjunction of people's eardrum 60 to transmit in known manner, and the low-frequency sound signal transmits the little ear bones 80 of sound to the people through thoracic cavity and Eustachian tube.As a result, when particularly transmitting music sound signal, people can hear sound effect quite true to nature.
This device can utilize simple technological means to realize, and this device is light, small and exquisite with portable, thereby can use with any place at any time, is similar to known cassette recorder or discman.In addition, this device only needs very little energy, even can use storage battery to drive, and therefore this device can break away from external power source work.At last, according to above explanation, the manufacturing cost of this device also is economical especially, therefore also very worthwhile to the user.
Claims (12)
1, a kind of method of sound transmission, adopt the sound-transmitting apparatus (27 of the voice signal that at least one sender can feel, 37), it is characterized in that: for helping sending the low-frequency sound signal, such at least one sound-transmitting apparatus (27) of settling on human body makes to form a direct sound transfer path from this sound-transmitting apparatus (27) process Eustachian tube transmission sound to people's little ear bones.
2, according to the method for claim 1, it is characterized in that: described sound-transmitting apparatus (27) is placed near the breastbone 70 the chest region.
3, according to the method for claim 1 or 2, it is characterized in that: voice signal also transmits by another one sound-transmitting apparatus (37), and it can make this voice signal be coupled on people's the eardrum 60.
4, according to the method one of among the claim 1-3, it is characterized in that: described sound-transmitting apparatus (27,37) is a loud speaker.
5, according to the method one of among the claim 1-3, it is characterized in that: described sound-transmitting apparatus (27,37) is an acoustic resonator.
6, a kind of device of sound transmission, has at least one sound-transmitting apparatus (27,37), it is characterized in that: such at least one sound-transmitting apparatus (27) of settling on human body makes to form a direct sound transfer path from this sound-transmitting apparatus (27) process Eustachian tube transmission sound to people's little ear bones.
7, according to the device of claim 6, it is characterized in that: connect at least one distributor (50) behind at least one sound-transmitting apparatus (27,37).
8, according to the device of claim 6 or 7, it is characterized in that: at least one distributor (50) comprises at least one frequency filter.
9, device according to Claim 8 is characterized in that: at least one frequency filter is low pass filter (20).
10, device according to Claim 8, it is characterized in that: at least one frequency filter comprises a low pass filter (20) and a high pass filter (30), and plays by the described sound-transmitting apparatus (37) that can be coupled with people's eardrum again by the intermediate frequency and/or the high-frequency sound signal of high pass filter (30).
11, according to the device of one of claim 6-10, it is characterized in that: described sound-transmitting apparatus (27,37) is a loud speaker.
12, according to the device of one of claim 6-10, it is characterized in that: described sound-transmitting apparatus (27,37) is an acoustic resonator.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1996109554 DE19609554C1 (en) | 1996-03-12 | 1996-03-12 | Transmission of tape-recorded music and speech to a listener |
| DE29604457U DE29604457U1 (en) | 1996-03-12 | 1996-03-12 | Device for transmitting sound |
| DE29604457.1 | 1996-03-12 | ||
| DE19609554.9 | 1996-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1218603A true CN1218603A (en) | 1999-06-02 |
Family
ID=26023685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97194598A Pending CN1218603A (en) | 1996-03-12 | 1997-03-06 | Process and device for transmitting sound |
Country Status (24)
| Country | Link |
|---|---|
| EP (1) | EP0886990B1 (en) |
| JP (1) | JP2000506353A (en) |
| KR (1) | KR19990087652A (en) |
| CN (1) | CN1218603A (en) |
| AT (1) | ATE185039T1 (en) |
| AU (1) | AU722530B2 (en) |
| BG (1) | BG102762A (en) |
| BR (1) | BR9707983A (en) |
| CA (1) | CA2248019A1 (en) |
| CZ (1) | CZ287048B6 (en) |
| DE (1) | DE59700475D1 (en) |
| EA (1) | EA199800823A1 (en) |
| ES (1) | ES2139453T3 (en) |
| GR (1) | GR3032205T3 (en) |
| HU (1) | HUP9901797A3 (en) |
| IL (1) | IL126090A0 (en) |
| NO (1) | NO984192L (en) |
| NZ (1) | NZ331597A (en) |
| PL (1) | PL329006A1 (en) |
| SK (1) | SK125598A3 (en) |
| TR (1) | TR199801820T2 (en) |
| TW (1) | TW404145B (en) |
| WO (1) | WO1997034441A1 (en) |
| YU (1) | YU39898A (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792754A (en) * | 1972-05-19 | 1974-02-19 | Hear Muffs | Headphone assembly |
| DE2451977C2 (en) * | 1973-11-05 | 1982-06-03 | St. Louis University, St. Louis, Mo. | Method and device for recording and reproducing the sound generated by a person's voice |
| DE2608908A1 (en) * | 1976-03-04 | 1977-09-08 | Johannes Dipl Phys Dr Lensing | Stereo headphones with third transducer on top of head - uses third transducer to induce sound waves in bones and avoid front location error |
| US4322585A (en) * | 1980-05-05 | 1982-03-30 | Liautaud James P | Personal electronic listening system with an air and bone transducer mounted on the clothing collar |
| US4641345A (en) * | 1983-10-28 | 1987-02-03 | Pioneer Electronic Corporation | Body-sensible acoustic device |
| KR920002929Y1 (en) * | 1990-02-17 | 1992-05-08 | 이정기 | Speaker |
-
1997
- 1997-03-06 AU AU23796/97A patent/AU722530B2/en not_active Ceased
- 1997-03-06 TR TR1998/01820T patent/TR199801820T2/en unknown
- 1997-03-06 SK SK1255-98A patent/SK125598A3/en unknown
- 1997-03-06 HU HU9901797A patent/HUP9901797A3/en unknown
- 1997-03-06 AT AT97919261T patent/ATE185039T1/en not_active IP Right Cessation
- 1997-03-06 CZ CZ19982891A patent/CZ287048B6/en unknown
- 1997-03-06 CN CN97194598A patent/CN1218603A/en active Pending
- 1997-03-06 EP EP97919261A patent/EP0886990B1/en not_active Expired - Lifetime
- 1997-03-06 IL IL12609097A patent/IL126090A0/en unknown
- 1997-03-06 ES ES97919261T patent/ES2139453T3/en not_active Expired - Lifetime
- 1997-03-06 KR KR1019980707112A patent/KR19990087652A/en not_active Application Discontinuation
- 1997-03-06 NZ NZ331597A patent/NZ331597A/en unknown
- 1997-03-06 WO PCT/DE1997/000466 patent/WO1997034441A1/en not_active Application Discontinuation
- 1997-03-06 JP JP9532187A patent/JP2000506353A/en active Pending
- 1997-03-06 DE DE59700475T patent/DE59700475D1/en not_active Expired - Lifetime
- 1997-03-06 CA CA002248019A patent/CA2248019A1/en not_active Abandoned
- 1997-03-06 BR BR9707983-9A patent/BR9707983A/en not_active Application Discontinuation
- 1997-03-06 PL PL97329006A patent/PL329006A1/en unknown
- 1997-03-07 TW TW086102783A patent/TW404145B/en not_active IP Right Cessation
-
1998
- 1998-09-10 BG BG102762A patent/BG102762A/en unknown
- 1998-09-11 NO NO984192A patent/NO984192L/en not_active Application Discontinuation
- 1998-09-11 YU YU39898A patent/YU39898A/en unknown
- 1998-10-09 EA EA199800823A patent/EA199800823A1/en unknown
-
1999
- 1999-12-21 GR GR990403292T patent/GR3032205T3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL126090A0 (en) | 1999-05-09 |
| EP0886990B1 (en) | 1999-09-22 |
| EP0886990A1 (en) | 1998-12-30 |
| EA199800823A1 (en) | 1999-02-25 |
| PL329006A1 (en) | 1999-03-01 |
| AU722530B2 (en) | 2000-08-03 |
| HUP9901797A2 (en) | 1999-09-28 |
| BG102762A (en) | 1999-03-31 |
| KR19990087652A (en) | 1999-12-27 |
| CZ287048B6 (en) | 2000-08-16 |
| WO1997034441A1 (en) | 1997-09-18 |
| ES2139453T3 (en) | 2000-02-01 |
| NO984192D0 (en) | 1998-09-11 |
| AU2379697A (en) | 1997-10-01 |
| NZ331597A (en) | 2000-01-28 |
| ATE185039T1 (en) | 1999-10-15 |
| BR9707983A (en) | 2000-01-04 |
| JP2000506353A (en) | 2000-05-23 |
| SK125598A3 (en) | 1999-04-13 |
| CA2248019A1 (en) | 1997-09-18 |
| TW404145B (en) | 2000-09-01 |
| YU39898A (en) | 1999-09-27 |
| GR3032205T3 (en) | 2000-04-27 |
| HUP9901797A3 (en) | 2000-08-28 |
| CZ289198A3 (en) | 1998-12-16 |
| TR199801820T2 (en) | 1998-12-21 |
| NO984192L (en) | 1998-09-11 |
| DE59700475D1 (en) | 1999-10-28 |
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