TWI296892B - Multiple channel earphone - Google Patents

Description

1296892 15785twf.doc/m IX. Description of the Invention: [Technical Field] The present invention relates to a multi-channel earphone, and more particularly to a multi-channel earphone having an extended sound field. [Prior Art] With the advancement of digital technology, people's life and entertainment have gradually become digital. For example, a digital video disc (Digital Vide 〇 Disc, a φ-like DVD) player is already a common video playback device in the general family. And since the DVD player basically has Dolby Digital (D〇|by

Digital) or the decoding function of the Digital Theater System (DTS), so that the digital signal can be decoded and the analog signal can be output to the remaining σ to make it sound.

To have a higher quality digital audio and video entertainment life, multi-channel music is indispensable, and the 5.1-channel speaker is the most basic multi-channel smell. Figure 1 is a diagram showing the sound of a home theater with 51 channels remaining π8. Referring to FIG. 1, the DVD player 100 outputs different audio signals to the left speaker 102a and the right port port 102b and the center channel (Center) of the front main channel while playing the video and audio. 〇4, the left speaker 106a and the right speaker 1〇6b of the Surround, and the subwoofer 108, (4) produce a three-dimensional space, which makes people feel real. However, in the case where it is not suitable to use the sound of the karaoke to play (for example, it will hinder others from doing things), you must use headphones to listen. See 1296892 15785twf.doc/m. As shown in Fig. 2A, since the general earphone 2〇〇a is provided with only one speaker 210 on each of the left and right sides, the user cannot enjoy the multi-channel sound outputted by the DVD player. To this end, a conventional earphone having a plurality of sliders is proposed, as shown in FIG. The earphone 200b is provided with a front main channel remaining A 202, a center channel speaker 2〇4 and a surround channel speaker 2〇6 on the left and right sides, respectively, and is matched with a specially designed plug 208 so that the DVD player can borrow The audio of different channels is outputted to different speakers by the plug 208, thereby producing the effect of the 5. channel speaker in the home theater as shown in FIG. The conventional earphone 200b controls the delay of the output audio in a digital manner (for example, circuit design), and the output sound field is poor. Compared with the effect of the 5.1 channel La P8 in the family drama, the picture shows that the multi-channel surround sound quality and efficiency cannot be presented. SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a multi-channel earphone that can be modified. The m effect σσ negative' is transmitted and has a saturated sound field and a multi-channel surround sound effect. The multi-channel earphones of the present illuminator &amp; have an extended sound chamber air tube or <extension' disposed on the earphone body. The earphone structure has a housing and a cover for forming a chamber cavity', and by adjusting the structure of the extension tube, the depth and breadth of the sound field are increased. In addition to the structure of the extension chamber or the extension tube, a headphone structure with a sound field balance effect is proposed. This earphone structure with sound field balance effect can connect any j296892 15 785twf. doc/rn sound source of the 51 channel sound source output by the DVD (four) machine to two or more monomers, and these two The monomer la ° eight is the only one in the body of the sound chamber trachea in the body outside the structure, that is, at least one like a single body placed in the earphone structure: body: -: or above Place the extension tube ± connected to the main body. Two or more of the eight singular elements connected to the same sound source can be formed according to the difference of the sounding point and the difference in the position angle of the taste and the single element - the sound scene 2 can be the sound source signal The formed sound field is enlarged to make it more full. The two or more of the eight squares can be connected to the sound source signal in a parallel manner or in series. Different shore-to-under sound fields are formed by using two or more speaker units with different positions or angles. 曰 In addition to the structure with extended chamber air tubes, a headphone structure with sound field splitting function is proposed. Mainly, a sound tube is connected outside the main body of the earphone structure, and a gas chamber cavity is formed at the outermost edge of the sound tube, and any signal of the 5 彳 channel sound source output by the DVD player is placed. The gas is in any direction or angle to the cavity casing to form a gas-to-resonance. In another embodiment, the gas chamber cavity may be connected to a curved body so that it is not directly Resonate in the air chamber, In this way, the 5.1 channel outputted by the DVD player can be placed in the main sound field formed by the 51 channel in the air chamber cavity casing. That is, in the earphone structure of this embodiment, the main body casing is made. a resonant air chamber, and using an external sound tube to transmit sound waves in the resonant air chamber to the main sound field in the housing via the air medium. To achieve the above purpose, the present invention provides a headphone structure. The headphone 1298892 15785twf.doc/m structure includes A main body of the earphone, a single copper sleeve, a main body ear, and a plurality of sub-speakers and a tracheal to the trachea. The main body of the earphone comprises a casing, a cover and a casing extension for forming a main sound chamber. The cavity is replaced by a partial sub-speaker placed in the direction of L % Zhuo and r...η This extension chamber is placed on the main body of the earphone, and is adjusted by the adjustment of the first hurricane king to the ❹ Adjusting the housing extension of the main body of the earphone structure; and: the first extended sound chamber air tube can be disposed on the earphone ax ° 或是 or on the housing of the earphone body. In the earphone structure, one of the First-extension chamber on the trachea The above-mentioned earphone structure is formed by the first extension sound chamber and the second extension sound chamber air tube. The telescopic characteristic &amp; is the characteristics of the fold adjustment in the above-mentioned earphone structure. It is arranged on the main body of the earphone, and the second part of the machine is extended to the air tube of the sound chamber, and the body of the bucket machine can be adjusted to adjust the characteristics of the earphone. The second extension sound is adjusted to the market where the material is produced. Adjusting the telescopic characteristics of the second extension to the rolling tube or the characteristics of the folding. In the above earphone structure, two of the devices are connected to a same sound source, and the selective body can be selectively Connected to the body - the extension = = the way to connect to the same source is to use parallel or the following:: Headphones headset structure 'more includes a sound tube' connected to the room structure of the earphone structure rr and a chamber cavity' It is placed at the outermost edge of the sound tube, and a common-domain chamber is formed in the gas-to-cavity, and the sound tube is transferred to the sound field in the housing through the air medium by the resonance gas chamber 1296892 15785twf.doc/m. The above-mentioned earphone structure further includes a curved pipe connected to the outside of the air chamber cavity for adjusting the resonance air chamber. The bending angle of this curved tube is between 10-180 and =. In the choice of implementation of wealth, it is more likely to be swayed outside the curve. * For the above purposes, the present invention proposes a headphone structure comprising an earphone body, a main speaker 11 and a plurality of speaker sounds if. The earphone body includes a body, a cover and a housing extension for forming a main chamber cavity. The main speaker and the sub-speaker are placed in the casing, and two of the neutron speakers are connected to the same sound source, so that the earphone structure has little effect on the sound field balance. For the above purposes, the present invention provides an earphone structure comprising a body of the earphone, a main speaker and a plurality of sub-speakers, a sound tube and a chamber cavity. The earphone body includes a casing, a casing and a casing extension for forming a main sound and a cavity. The main speaker and some of the sub-speakers are placed in the housing body g, connected to the earphone body and an air chamber cavity is placed at the outermost edge of the sound tube. The money money is formed into a gas chamber, and the Xiangyin tube transmits the sound waves in the resonance chamber to the sound field in the main body of the earphone via the air f. Such a headphone structure has the function of sound field division. ★ The above-mentioned earphone structure further includes a curved tube connected to the air chamber cavity to adjust the resonance air chamber. The bending angle of this curved pipe is between 8 degrees. It is also possible to place a sub-speaker on the outer edge of this curved tube. The above and other objects, features and advantages of the present invention will become more apparent <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; [Embodiment] The present invention provides an earphone structure having an extended sound chamber air tube disposed on the earphone main body. The earphone main body includes a position of a casing and a cover of the earphone structure. The housing and the cover of the earphone structure are used to form the chamber cavity, and the depth and breadth of the sound field are increased by adjusting the structure of the air chamber of the extension chamber. The method of adjusting the structure of the extension tube can be achieved by using telescopic _ 弋 or by folding &amp; In the embodiment, the signal unit of the (four) 51-channel audio source that is input by the N/D player can be independently pulled out of the sound tube air chamber of the earphone body, and formed by the extension tube with the telescopic function. The sound tube plenum can adjust the size of the sound chamber by stretching. When the extension tube is contracted, it does not occupy the space of the system. When the extension tube is elongated, the entire sound field space of the system will be increased, and at the same time as the elongation, because one of the signal units is independently pulled out and placed on the sound tube chamber, It can also deepen the effect of the sound field. In addition to the structure having the air chamber of the extended sound chamber, the present invention proposes a headphone structure having a sound field balance effect. This has a sound field balance effect: the machine structure 'can connect any source of the 5" channel sound source output by the DVD player to two or more single port eight, and the two single 2 The mouth is separated from the K-seat in the body structure of the earphone and the body of the earphone body in the body of the earphones, that is, at least one of the remaining eight cells are placed in the structure of the casing, and one is placed in contact with the main body of the earphone. The extension tube is connected to two or more horns of the same sound source, and the illuminating point is formed according to the difference of the sounding point and the angle of the monomer position. 1298892 15785 twf.d〇c/m - sound scene 1 The sound field formed by this source signal can be enlarged to make it more full. The way each two or more of the remaining eight cells are connected to the source signal can be connected in parallel or in series, using two or more different locations or The angular configuration creates an increase in the physical sound field and a more saturated sound. The present invention proposes an earphone structure having a sound % division function in addition to the structure having an extended sound chamber air tube. Mainly outside the main body of the earphone structure, a sound tube is connected, and at the outermost edge of the sound tube, a gas is formed to the cavity. And any signal (4) of the 5.1 channel sound source output by the DVD player is placed in any direction or angle of the chamber cavity of the air chamber to open the resonance. In another embodiment, the singer can be formed outside the plenum chamber so that it does not directly resonate in the plenum. Thus, the 5-1 channel outputted by the _ player can be placed in the air chamber. The source of the cavity housing is pulled away from the main sound field formed by the 5.1 channel. That is to say, in the earphone and the name port structure of this embodiment, the frequency of the sound wave can be changed by making a resonance air chamber in the main body casing, and the sound field is divided and the sound wave in the resonance air chamber is transmitted through the air by the external sound tube. The present invention is described below with reference to the preferred embodiments to illustrate the invention. It is noted that the following examples are provided to facilitate the description of the invention and are not intended to limit the invention. A partial side cross-sectional exploded view of a deafness 300A in accordance with a preferred embodiment of the present invention. It is noted that although FIG. 3A depicts only the mid-side of the earphone of the present invention, those skilled in the art should It is known that the structure of the other side not shown is naturally the same as that shown in FIG. 3A, and will not be described here. Referring to FIG. 3A, the earphone 300A includes the earphone main body 31 and the connecting member 320. The connector 32 is used to connect the earphone body 两 on both sides. (The figure is only represented by one side.) The earphone body 31 is mainly composed of the housing 311, the cover 313, and the housing extension 315. Composition, housing Extension portion 311 of the housing 315 extends and is connected to the lid member 313 while the main headset comprising a main speaker 310. Speaker 330 and a plurality of sub 34〇 body,

350, 360A and 360B. In addition, it is used to configure the sub-sounds 3! 35〇 Participate in the extension of the sound chambers 375 and 385. U In this configuration of the earphone 300A, as described above, there may be only one extended sound chamber air tube 375 disposed on the housing extension 315 of the earphone main body 31A. The housing 311, the cover 313 and the housing extension 315 of the earphone 300A form a main sound chamber, and the depth and breadth of the sound field are increased by adjusting the structure of the extension chamber air tube 375. The method of adjusting the structure of the extension tube in this embodiment is by means of expansion and contraction. In the configuration of the earphone 300A of the present embodiment, as described above, another one extension chamber air duct 385 may be added to be disposed on the casing extension portion 315 of the earphone main body 310. The main sound chamber formed by the housing 311, the cover 313 and the housing extension 315 of the earphone 30A increases the depth and breadth of the sound field by extending the structure of the sound chamber air tube 385. In this embodiment, the additional extension chamber air tube 385 may not be telescopic, and of course may have the aforementioned retractable or folded characteristics, which are adjusted according to design requirements. In addition, in the structure of the earphone 300A of the embodiment, any one of the 51 channel sound sources output by the DVD player can be selectively selected, as shown in FIG.

The difference creates a sound scene, which increases the sound field formed by the source signal to make it more full. The manner in which the sub-speakers 36A and 36〇Β are connected to the sound source signal may be connected in parallel or in series, and two or more remaining sigma and eight cells may be used at different positions or angles. 1296892 15785twf.doc/mr and m 5q 'Independently pull out the sound tube chamber formed by the extension tube of the extension chamber, which is still two = rr, can be made by the size of the circumference. When the extension tube is contracted, it does not occupy the existing work space of the earphone. In the case where the extension tube is elongated, the sound of the entire earphone 3 is increased, and in addition, the elongated one-piece unit is independently pulled out and placed in the vertical position 4~, and one of the signals, θg hole is up, therefore It is also possible to deepen the sound field effect = π column of the earphone 300A structure additionally added to the extended sound chamber gas s 85 'more selectively output the DVD player. The signal source, the signal unit, is shown in Fig. 3A as a sub-speaker 3, which is independently pulled out on the extension chamber air duct 385. In addition to the above-described earphone 300A having an extended sound chamber air tube, in another example, a headphone 3 having a sound field balance effect is proposed. Therefore, the headphone 3 with sound balance effect can be used to connect any source of the _ player output = 5-1 channel source to two or more single mouths eight' The remaining sigma VIII are independent of the heart chamber of the structure and the chamber air tube outside the structure. For example, the sub-speaker 36 〇 α is placed in the housing 311 of the earphone 300 ,, and the other sub-speaker 36 〇 β is placed on the extension chamber air tube 385 connected to the headphone body. Two or more sub-speakers 360 Α and 360 连接 connected to the same sound source can form different levels of sound fields according to the difference of the sounding point and the angle of the single lens position of 1296892 15785 twf.doc/m. Fig. 3B is a partial side elevational cross-sectional view of the earphone 300B in accordance with another preferred embodiment of the present invention. It should be noted that although FIG. 3B only shows one side of the earphone of the present invention, it should be understood by those skilled in the art that the structure of the other side not shown is naturally the same as that shown in FIG. 3B. Will not repeat them.

Referring to FIG. 3B, the earphone 300B includes a headphone body 310 and a connector 320. The connector 320 is used to connect the earphone bodies 310 on both sides (only one side is represented in the drawing). The earphone main body 310 is mainly composed of a casing 311, a cover 313, and a casing extending portion 315. The casing extending portion 315 is an extension of the casing 311 and is connected to the cover 313. The headphone body 310 includes a main speaker 330 and a plurality of sub-speakers 340A, 340B, 350 and 360. The sub-speakers 340B and 350 are respectively placed on the extended chamber air tubes 335 and 337 on the side walls of the two sides of the composite sound chamber cavity 333. Of course, in another alternative embodiment, the sub-speakers 340B and 350 can also be placed directly. On both side walls of the composite sound chamber cavity 333. Further, an extension chamber air duct 375 for configuring the sub-speaker 360 is further included. The technology of the earphone with a composite sound field is also disclosed in the "Headphone Structure with Composite Sound Field" of the Taiwan Patent Application No. 93107621 filed by the same applicant on March 22, 2004. The same applicant in the extended case was filed on April 29, 2004 in the "Headphone Structure with Composite Sound Field" in the Taiwan Patent Application No. 9311 1985, and the same applicant's proposal at June 9, 2004. In the content of "EARPHONE STRUCTURE WITH A 1296892 15785twf.doc/m COMPOSITE SOUND FIELD" of U.S. Patent Application Serial No. 10/709,956. The Applicant claims that the composite sound field disclosed in all of the foregoing cases and the composite sound field mentioned in all of the following examples are suitable for use in the earphone structure of the present case. The structure of the earphone 300B is different from the earphone structure of FIG. 3A in that the extended sound chamber air tube 375 of FIG. 3A is disposed on the housing extension portion 315 of the earphone main body 310, but in this embodiment, the extended sound chamber air tube The 375 is disposed on the housing 311 of the earphone body 310 and extends directly from the composite sound chamber cavity 333. The housing 311, the cover 313 and the housing extension 315 of the earphone 300B form a main sound chamber, and the depth and breadth of the sound field are increased by adjusting the structure of the composite sound chamber cavity 333 and the extended sound chamber air tube 375. . The method of adjusting the structure of the extension tube in this embodiment is to use a telescopic method. In the structure of the earphone 300B of the present embodiment, the sub-speakers 340B and 350 are respectively placed on the extended sound chamber air pipes 335 and 337 on the side walls of the both sides of the composite sound chamber cavity 333, by extending the structure of the sound chamber gas pipes 335 and 337, Increased depth and breadth of the sound field. In this embodiment, the additional extension chamber air tubes 335 and 337 may not be telescopic, and of course may have the aforementioned retractable or folded characteristics, which are adjusted according to design requirements. In addition to the above-described earphone 300B having an extended sound chamber air tube, in another embodiment, the earphone 300B may also have an effect of sound field balance. The earphone 300B with sound field balance effect can connect any sound source of the 5.1 channel sound source output by the DVD player to two or more single speakers at the same time, and the two single speakers are independent In the structure of the body of the speaker and the sound chamber of the body outside the structure. For example, the sub-speaker 340A is placed in the body 311 of the earphone 1296892 15785 twf.doc/m 300, and the other sub-speaker sub-speaker 34 〇 B is placed on the extended chamber air tube 335 on the side wall of the composite sound chamber cavity 333. For example, the sub-speakers 340A and 340B are connected to a 5.1-channel surround sound source, the sub-speaker 350 is connected to the channel middle sound source, and the sub-wool 360 is connected to the j 5.1 _ channel subwoofer source. The two or more sub-speakers 340A and 340B thus connected to the same sound source may be different depending on the sound point. The difference in the angle of the eight individual positions forms a sound field, and the sound field formed by the sound source signal is twisted to make it fuller. The manner in which the sub-speakers 340A and 340B are connected to the sound source signals may be connected in parallel or in series, and different configurations of two or more different positions or angles may be used to form different Level of sound field. Fig. 3C is a partial side elevational cross-sectional view showing the earphone 3〇〇c of another preferred embodiment of the present invention. It should be noted that although FIG. 3C only shows one side of the earphone of the present invention, it should be understood by those skilled in the art that the structure of the other side not shown is naturally the same as that shown in FIG. 3C. This will not be repeated here. Referring to FIG. 3C, the earphone 300C includes a headphone body 31A and a connector 320. The connector 320 is used to connect the earphone bodies 310 on both sides (only one side is represented in the drawing). The earphone main body 310 is mainly composed of a casing 311, a cover 313 and a casing extending portion 315. The casing extending portion 315 is an extension of the casing 311 and is connected to the cover 313. The main body 310 of the earphone includes a main speaker 33Q and a plurality of sub-speakers 34, 诵, 细, and 360. The sub-speaker faces and 35 〇 are respectively placed on the extended chamber air ducts 335 and 337 of the side walls of the composite 1929892 15785 twf.doc/m chamber chamber 333. Of course, in another alternative embodiment, the sub-speakers 340B and The 350 can also be placed directly on the side walls of the composite chamber cavity 333, respectively. Further, an extension chamber air duct 339 for configuring the sub-speaker 360 is further included. The structure of the earphone 300C is different from that of the earphone of FIG. 3B in that the extension chamber air tube 339 is directly extended from the composite chamber chamber 333, and the sub-speaker 360 is disposed on the housing 311. The housing 311, the cover 313 and the housing extension 315 of the earphone 300C form a main sound chamber, and the sound field is increased by the structure of the composite sound chamber cavity 333 and the extended sound chamber air tubes 335, 337 and 339. Depth and breadth. These extension chamber air tubes 335, 337 and 339 may not be telescopic, and of course may have the aforementioned retractable or folded characteristics, which are adjusted according to design requirements. Fig. 4A is a side elevational, cross-sectional, elevation view of the earphone 400A in accordance with another preferred embodiment of the present invention. It should be noted that although FIG. 4 only shows one side of the earphone of the present invention, it should be understood by those skilled in the art that the structure of the other side not shown is naturally the same as that shown in FIG. 4A. Will not repeat them. Referring to FIG. 4A, the earphone 400A includes a headphone body 410 and a connector 420. The connector 420 is used to connect the earphone bodies 410 on both sides (only one side is represented in the drawing). The earphone body 410 is mainly composed of a casing 411, a cover 413 and a casing extension 415. A main speaker 430 and a plurality of sub-speakers 440, 450A, 450B and 460 can be disposed in the earphone body 410. Further included are extended chamber air ducts 475 and 485 for configuring sub-speakers 460 and 450B. 1296892 15785twf.doc/m In this earphone 4A configuration, as previously described, there may be only one extended sound chamber air tube 475 disposed on the housing extension 415 of the earphone body 410. The housing 411, the cover 413 and the housing extension 415 of the earphone 400A form a main sound chamber, and the depth and breadth of the sound field are increased by adjusting the structure of the extension chamber air tube 475. The difference from the embodiment of FIG. 3A is that the extension chamber air duct 475 is a method of adjusting the extension tube structure in this embodiment,

Use the method of folding. As described above, in the configuration of the earphone 4q〇a of the present embodiment, another extension chamber air duct 485 may be added to the housing extension portion 415 of the earphone main body 410. The housing 41' of the earphone 400A and the cover 413 form a main sound chamber, and by extending the structure of the sound chamber air tube 485, the depth and breadth of the sound field are increased. In this embodiment, the additional extension chamber air tube 485 may not be telescopic, and of course may have the aforementioned telescoping or folding characteristics, which are adjusted according to design requirements. In the structure of the earphone 400A of the embodiment, any signal unit of the 5.1 channel sound source output by the dvd player, and the sub-% sounder 460 shown in FIG. 4A can be selectively pulled out independently. The sound chamber air chamber 4 is extended, and the sound tube plenum formed by the extension tube having the folding function can adjust the angle of the sub-speaker tree by folding adjustment, and the extension tube is folded close to the earphone 4QQA day ♦, less occupied space. In the earphone of the embodiment, the additional extension sound chamber (4) 485 JL is used to selectively transmit the channel sound source outputted by the player to the signal unit, such as the sub-speaker 45QB as shown in FIG. , independently pulled out and placed on the extension chamber, the trachea 5, except for the above-mentioned earphone 4_ with the extension chamber trachea, in addition to 19

1296892 15 785twf. doc/m :::Two proposes a headphone _A with sound field balance effect. The two V, the effect / the headset 'can be output by the DVD player: any source of the name of the source, connected to two or more of the remaining 8 of the early body, and the two monomers seem to be separate Independent of the sound chamber trachea outside the structure. For example, the sub-speaker is placed in the housing 411 of the earphone 400A, and the #口

Recall that "the secret speaker 450B is placed on the extension chamber air tube 485 connected to the housing. The two or more sub-speakers 450A and 45QB connected to the same source can be different according to the sound point. The difference between the position angles of the tastes and the single bits forms a sound scene, which can be formed by the sound source signal: the sound field is enlarged to make it more full. The sound of the sound is clarified by the way A and 45QB are connected to the source signal. 'It can be connected in parallel or in series = connected in series' and use two or more interfaces of different positions or productions to form different levels of sound field. Figure 4B shows A side elevational cross-sectional exploded view of the earphone of the preferred embodiment of the present invention. It is worth noting that although one side of the earphone of the invention is used, those skilled in the art should have two other sides that cannot be drawn. The structure m and the figure are the same as shown in the figure, and will not be described here. Referring to FIG. 4B, the earphone 400B includes the earphone main body 41A and the connecting member 420. The connecting member 42 is used to connect the earphone main bodies on both sides ( Only one side is represented in the schema) The main body of the earphone is mainly composed of a housing 411, a cover 413 and a housing extension 415. A main speaker 430 and a plurality of sub-speakers 44A, 20 1296892 15785twf.doc/ can be disposed in the earphone body 410. m 440B, 450 and 460. Sub-speakers 440B and 450 are placed on the extended chamber air ducts 435 and 437 on the side walls of both sides of the composite sound chamber cavity 433. In addition, an extension chamber air duct 475 for configuring the sub-speaker 460 is further included. The structure of the earphone 400B differs from the earphone structure of FIG. 4A in that the extended sound chamber air tube 475 of FIG. 4A is disposed on the housing extension 415 of the earphone body 410. However, in this alternative embodiment, the extended sound chamber The air tube 475 is disposed on the housing 411 of the earphone main body 410, and the cavity thereof is extended by the composite sound chamber cavity 433 in the earphone main body 410. The headphone 400B has a housing 411, a cover body 413 and a housing. The extension portion 415 forms a main sound chamber, and the depth and breadth of the sound field are increased by adjusting the structure of the extension chamber air tube 475. The difference from the embodiment of Fig. 3B is that the extension chamber air tube 475 is in this embodiment. a method of adjusting the structure of the extension tube, In the structure of the earphone 400B of the present embodiment, the extended sound chamber air pipes 435 and 437 extending from the side walls of the composite sound chamber cavity 433 to the outside of the casing 411 are also added. The housing 411 of the 400B and the cover 413 form a main sound chamber, and by extending the structure of the sound chamber air tubes 435 and 437, the depth and breadth of the sound field are increased. In this embodiment, the additional extended sound chamber air tube 435 and 437 may not be telescopic, and of course may have the aforementioned retractable or folding characteristics, which are adjusted according to design requirements. In the structure of the earphone 400B of the embodiment, any one of the 5.1 channel sound sources output by the DVD player, such as the sub-speaker 460 shown in FIG. 4B, can be selectively pulled out and placed in the extension sound. On the chamber trachea 475, 1296892 15785twf.doc/m, the sound tube plenum formed by the extension tube with folding function can adjust the angle of the sub-speaker by adjusting it in an adjustable manner, and fold the adjacent earphone 400B in the extension tube. It takes less time and takes up less space. In the structure of the earphone b of the embodiment, the extended sound chambers g 435 and 437 extending from the side walls of the composite sound chamber cavity 433 can selectively output the 5.1 channel sound source of the DVD player. Any of the signal cells, such as the sub-speakers 440B and 450 shown in FIG. 4B, are independently pulled out and placed on the extension chamber air ducts 435 and 々π. In addition to the above-described earphone 400B having an extended sound chamber air tube, in another practical example, an earphone having a sound field balance effect is further proposed. The earphone 400B with sound field balance effect can connect any sound source of the channel sound source output by the DVD player to two or more single squadrons at the same time, and the two single horns are independent In the structure of the body of the sigma and the structure of the chamber outside the body of the trachea. For example, the sub-speaker 44 is placed in the housing 411 of the earphone 400, and the other sub-speaker 44 is placed on the extended chamber air duct connected to the complex chamber cavity 433. For example, sub-speakers 440 Α and 440 Β are connected to a surround sound source of 5 channels, while sub-speaker 450 is connected to a 5.1-channel intermediate sound source, and sub-speaker 460 is connected to a 5.1-channel subwoofer source. ° Two or more sub-sounds that are connected to the same source so that 440 Α and 440 Β can be formed according to the difference between the vocalization point and the angle of the horn single position: - the sound field ©, the source can be The sound field formed by _ is enlarged to make it more full. The way in which the sub-speakers 44〇Α and 44〇Β are connected to the source signal can be either in parallel or in series. 22 1296892 15785twf.doc/m can be used to connect two or more tastes and eight monomers. Different positions or angles are configured to form different levels of sound fields. Fig. 5A is a side elevational cross-sectional exploded view of the earphone 5Q0A of the preferred embodiment of the present invention. It should be noted that although: FIG. 5A only shows the side of the earphone of the present invention, it should be understood by those skilled in the art that the structure of the other side not shown is naturally the same as shown in the money 5A. It will not be repeated here. Referring to FIG. 5A, the earphone 500A includes an earphone main body 51A and a connector 520. Wherein, the connecting member 52 is used to connect the earphone main bodies on both sides "o (only the side is represented in the drawing). The earphone main body 51Q is mainly composed of the housing 511, the cover body 513 and the housing extending portion 515. A main speaker 53 〇 and a plurality of sub-speakers (10) and 550A may be disposed in the earphone main body 510. Further, an extended sound chamber gas &amp; 565 for configuring the sub-speaker 55 〇 b may be further included. (7) A chamber chamber 570 is connected. The bottom portion will be described in detail. First, the headphone 5嶋 structure, as described above, may have only one extension chamber air duct 565 disposed in the housing extension of the headphone body. 515. The housing 5A of the earphone 500A and the cover 513 form a main sound chamber, and by adjusting the structure of the extended sound chamber air tube 565, the depth and breadth of the sound field are increased. In the structure of the earphone 500A of the embodiment, the signal unit of the 5.1 channel sound source output by the DVD player can be selectively selected, as shown in FIG. Sub-speaker 550B, independently pulled out On the extension chamber air tube 565, 23 J296892 J 5785twf.d〇c/m = the size of the extension tube with the telescopic function is formed. The extension tube hole is to the hunting area, and the extension tube is elongated. It does not occupy the space of the earphone 5_, and the sound field space of the earphone 5_ will be different. At the same time of stretching, the sound tube is placed in the middle of the sound tube. On the sputum, this can also deepen the effect of the sound field. In addition to the above-mentioned earphone 5Q0A having an extended sound chamber air tube, another type of earphone _Α having a sound field balance effect is proposed. This flat headphone 5_ can be used to connect any audio source of the DVD player to two or more, early-leftover &quot;eight' and the two cells are separated by π8 respectively. In the structure of the body of the seat ... - in the body of the sound chamber trachea. For example, the sub-speaker $ is placed in the housing 511 of the headphone _ ,, and the other sub-speaker 55 〇 β is placed on the extension chamber air duct 565 connected to the housing extension 515. The two or more sub-speakers 550Α and 550Β connected to the same sound source can form a sound scene according to the difference between the sounding point and the angle of the speaker unit position, and the sound field formed by the sound source signal can be formed. Increase and make it fuller. The manner in which the sub-speakers 55A and 55〇Β are connected to the sound source signal may be connected in parallel or in series, and two or more of the π-eight-cells may be used in different positions or angles. Configure to form different levels of sound field. This embodiment proposes an earphone 500 having a sound field division function in addition to the structure having the air chamber for extending the sound chamber. Mainly outside the housing extension 515 of the earphone body 510, an extension chamber air duct 574 is connected, and at the outermost edge of the extension chamber air duct 574, a chamber chamber 24 1296892 15785twf.doc/m 570 is formed, and A gas chamber 572 is formed in this plenum chamber 570. In this embodiment, any signal element of the 5.1 channel source outputted by the DVD player can be placed in any direction or angle of the housing of the chamber chamber 570 to form a resonance in the chamber.

In one embodiment, the air chamber cavity 570 can be attached to a curved tube 582' so that it does not resonate directly within the air chamber 572. Thus, the DVD can be

The 5.1 channel output from the player is placed in the main sound field formed by the 5.1 channel in the sound source of the chamber 570 housing. The curved angle of the curved tube 582 is between 1 0-1 80 degrees, and the optimum angle is about 〇 〇, which can be used to adjust the phase of the sound field. In the earphone 5〇〇Α structure of the embodiment, any signal unit of the 5.彳 channel sound source output by the DVD player can be selectively selected, as shown in the sub-speaker 58 of FIG. 5A, independently. Pull out the outer edge of this curved tube 582. In the configuration of the earphone 5A of this embodiment, a resonance air chamber is formed outside the earphone main body 510, and the resonance air chamber is adjusted by the curved tube 582. In the overall structure, the Xiangsheng chamber air duct 574 transmits the acoustic wave in the resonance chamber to the main sound field in the casing 511 via the air medium. Tusi? It can be seen that the earphone structure proposed by the present invention has a field gas &amp; The earphone structure has a housing hood _: the sound chamber cavity, and by adjusting the structure of the extension tube, the degree and breadth of the sound field are increased, and the phase of the sound field can be adjusted. m 丨 丨 2nd day is not the invention - the preferred embodiment of the headset 5Q0B 1 knives side view exploded view. It is worthy of the invention of the earphone J 疋 ' although FIG. 5B only shows one side of the machine, but is familiar to the skilled person; ft $ 4 θ , edge of , , , . The structure is naturally repeated with Figure Β 1296892 15785twf.doc/m. Referring to Fig. 5B, the earphone 500B includes a headphone body 51 and a connector 520. The connector 520 is used to connect the earphone bodies 51 on both sides (only one side is represented in the drawing). The earphone main body 51 is mainly composed of a casing 511, a body 513 and a casing extension 515. A main speaker 53A and a plurality of sub-speakers 54A, 540B, 560 and 570 can be disposed in the headphone body 510. The sub-speaker 540B is placed on the extended chamber air duct 535 that extends outwardly from the side wall of the composite chamber cavity 533. Further, an extension chamber air duct 565 for configuring the sub-speaker 56A is further included. Further, a chamber chamber 57A connected by an extension chamber air duct 537 is further included. The details will be explained below. The structure of the earphone 500B differs from the earphone structure of FIG. 5A in that the extension chamber air ducts 565 and 574 of FIG. 5A are disposed on the body extension portion 51 5 of the earphone body 51A. However, in this alternative embodiment, the extended to air tubes 565 and 537 are disposed on the housing 511 of the earphone body 51 and extend outwardly from the composite chamber cavity 533 in the earphone body 510. In the configuration of the earphone 500B, as described above, there may be only one extended sound chamber air tube 565 disposed on the housing 511 of the earphone main body 510. The housing 511 of the earphone 500 and the cover 513 form a main sound chamber, and by adjusting the structure of the extension chamber air tube 565, the depth and breadth of the sound field are increased. In this embodiment, the method of adjusting the structure of the extension tube is to use a telescopic method. In the structure of the earphone 500B of the embodiment, any signal unit of the 5.1 channel sound source output by the DVD player can be selectively displayed, as shown in FIG. 5B, 26 1296892 15 785 twf·doc/m. The speaker 560, 猸 ☆ ^ b, is pulled out from the cymbal and placed on the extension chamber air duct 565, and is resized by the extension of the telescopic function. The room in which the extension tube is received by 20% can be used by the telescopic chamber. When the extension tube is stretched, the sound field space of the 50 〇 B headphone will be different from the one while being stretched, because one of the signal sheets will be placed on the chamber of the sound tube that is placed independently. The body, and the upper side can also deepen the effect of the sound field. In addition to the above-mentioned earphones having the extended sound chamber air tube, in another embodiment, the earphone 5 having the sound field balance effect is proposed. The m balance effect of the earphone 5_, can be used by the dvd player to output any of the sources of the heartbeat source ' at the same time connected to two or more cells, respectively, eight, and the two monomers are independent of each other In the structure of the body of the eight-part and the external chamber of the chamber, for example, the sub-speaker 54〇a is placed in the shell of the earphone 500B, and the other sub-speaker 54〇b Placed on the extended chamber air duct 535 extending outward from the side wall of the composite sound chamber cavity 533. Two or more sub-speakers thus connected to the same sound source are called 54 0A and 54 0 B depending on the sound point And the sound-like scene can be formed by the difference in the angle of the monomer position. The sound field formed by the signal is increased to make it more full. The sub-speakers 54〇8 and 54〇B are connected to the sound source signal, either in parallel or in series, and two Or different positions or angles of the above-mentioned different positions to form different levels of sound fields. This embodiment proposes that in addition to the structure of the extended sound chamber air tube, an earphone with a sound % split function is proposed. B. Mainly extending outward from the side wall of the composite sound chamber cavity 533 of the earphone main body 27 1296892 15785twf.doc/m 510 - an extension chamber air duct 537, and forming an outermost edge of the extension chamber air duct 537 The air chamber cavity 570 forms a gas chamber 572 in the air chamber cavity 57. In this embodiment, any one of the 51 channel sound sources output by the DVD player can be placed in the air. Any of the chamber chamber 570 housings: to form a gas chamber (four) resonance.

In an embodiment, the air chamber cavity 57 can be connected to a curved tube #584 so that it does not resonate directly in the air chamber 572. Thus, the 5_1 channel outputted by the DVD player can be placed. The sound source of the outer casing of the air chamber cavity 57 is pulled away from the main sound field formed by the 5.1 channel. The bending angle of this curved tube 4 is between: 〇: 18曰0 degrees, and the optimum angle is about 9 degrees, which can be used to adjust the phase of the sound field. In the structure of the earphone 5〇〇B of the embodiment, it is more optional to independently pull out any one of the 51-channel audio sources output by the DVD player as the sub-speaker 58〇 shown in FIG. 5B. Placed on the outer edge of this curved tube 584. In the configuration of the earphone 5〇〇B of this embodiment, a resonance air chamber is formed outside the earphone main body 510, and the resonance air chamber is adjusted by the curved tube 4. In the spring and overall configuration, the outwardly extending chamber air duct 537 is used to transmit the acoustic chamber acoustic waves to the main sound field in the housing 511 via the air medium. As can be seen from the above, the earphone structure of the present invention has an extended sound chamber air tube disposed on the casing. The earphone structure has a casing and a cover for forming a sound chamber cavity, and by adjusting the structure of the extension pipe, the depth and breadth of the sound field are increased, and the phase of the sound field can be adjusted. In the above-mentioned earphone structure, in addition to the earphone 5A of FIG. 5A or the earphone 5 of FIG. 5B, in addition to the structure having the air chamber of the extended sound chamber, 28 1296892 15785 twf.doc/mf proposes a sound field balance The effect of the headset structure. The earphone structure with the balance of the sound field can connect the sound source of the Μ channel sound source output by the DVD player to two or more single cells, and the speaker is independent of the structure. The horn of the body and the airway of the gentry chamber outside the structure, that is, at least one monomer is placed in the body of the earphone structure, and one is placed on the extension tube connected to the housing. Two or more remaining eight monomers of the same sound source can form a sound scene according to the difference of the sounding point and the angle of the position of the t eight single unit, and the sound field formed by the sound source signal can be added. Larger and more full. The two or more devices connected to the source signal can be connected in parallel or in series, using two or more (four) ports. Eight different positions or angles are configured to form different levels of 曰%. For example, the sub-speaker 54A is placed in the housing 511 of the earphone 5A, and the other sub-speaker 54〇b is placed. Side walls of the composite sound chamber cavity 533 The extending sound chamber gas f 535 extends outward. In addition to the structure of the air chamber with extended sound chamber, an earphone structure with sound field dividing function is proposed, which mainly connects a sound organ outside the main body of the earphone structure, and The outermost edge of the sound tube forms a chamber cavity, and any signal unit of the 51-channel sound source output by the DVD player is placed in any direction or angle of the chamber cavity to form In the other embodiment, the chamber of the chamber can be connected to the chamber so that it does not resonate directly in the chamber. Thus, the sound output of the 0VD player can be 5.1. The sound source placed in the chamber of the air chamber is pulled away from the main sound field formed by the 5.1 channel. That is, in the earphone structure 29 1296892 15785twf.doc/m of this embodiment, a resonant air chamber is formed in the main body casing, And using the external sound tube to transmit the acoustic wave in the resonant air chamber to the main sound field in the housing via the air medium. Although the invention has been disclosed in the preferred embodiments as above, it is not intended to limit the invention, and anyone skilled in the art Without departing from the essence of the invention And the scope of protection of the present invention is defined by the scope of the appended claims. [Simplified Schematic] Figure 1 shows a 5.1 channel Figure 2A is a side cross-sectional view of a conventional earphone. Figure 2B is a side cross-sectional view of another conventional earphone. Figure 3A illustrates another embodiment of the present invention. FIG. 3B is a partial side elevational cross-sectional view of the earphone 300B according to still another embodiment of the present invention. FIG. 3C illustrates a headphone 300B according to still another embodiment of the present invention. 4A is a side elevational cross-sectional view of an earphone 400A according to still another embodiment of the present invention. FIG. 4B is a partial side cross-sectional view of the earphone 400B according to still another embodiment of the present invention. . Figure 5A is a partial side elevational cross-sectional view of an earphone 500A in accordance with yet another embodiment of the present invention. FIG. 5B is a side cross-sectional view of a portion of the earphone 500B according to still another embodiment of the present invention, 30 1296892 15785 twf.doc/m. [Illustration description] 100: Digital audio and video disc player 1 0 2 a · If the main channel left σ spurs eight 10 2 b · Set the main channel right σ 刺口八1 0 4 · Center channel σ Spurs 10 6 a · Bad around the channel left. Thorn

106b: surround channel left π eight 200a, 200b: earphone 202: front main channel speaker 2 04 · center channel system 206: surround channel port eight 208: headphone plug 210: 嗦丨! mouth eight 300A, 300B, 300C, 400A, 400B, 500A, 500B : Headphones

310, 410, 320, 420, 311, 411, 313, 413, 315, 415, 330, 430, 340, 340A 510; earphone body 520; connector 511: housing 513 · · cover, 360A, 360B, 440 515: housing extension 530: main speaker, 340B, 350, 360 440A, 440B, 450, 450A, 450B, 460, 540, 540A, 1296892 15785twf.doc/m 540B, 550A, 550B, 560, 580: sub Speakers 333, 433, 533: composite sound chamber moon bodies 335, 337, 339, 375, 385, 435, 437, 475, 485, 535, 537, 565, 574: extended sound chamber air tube 570: air chamber cavity 572 : Air chamber 582, 584: Curved tube • 32

Claims (1)

1296892 15785twf.doc/m X. Patent Application Scope 1. A headset structure includes: a headset body including a housing, a cover and a housing extension for forming a main chamber cavity; a speaker and a plurality of sub-speakers, the main speaker and a portion of the sub-acoustics are disposed in the housing; and a first extended sound chamber air tube disposed on the main body of the earphone The sound field characteristics formed in the earphone structure are adjusted by adjusting the first extension chamber air tube. 2. The earphone structure of claim 1, wherein the Lth extension 9 to the air tube is disposed on a housing extension of the earphone body. 3. The earphone structure of claim 1, wherein the first extended sound chamber air tube is disposed on a housing of the earphone body and extends from a composite sound chamber cavity in the earphone structure. The earphone structure of claim 1, wherein one of the sub-speakers is placed on the first extension chamber air duct. /, &quot; 5. As described in the earphone structure described in the scope of the patent application, the method of the first-extension chamber air tube is adjusted by the first: telescopic characteristic.虱g ...6· As claimed in the scope of application, the earphone structure described in the item can adjust the size of the space of the first extension chamber: the folding characteristics of the extension chamber. M 7· The earphone structure according to the scope of claim 2, wherein the second extended sound chamber air tube is disposed on the main body of the earphone to adjust the shape formed in the earphone structure 33 1296892 15 785 twf. doc/m Sound field characteristics. 8. The earphone structure of claim 7, wherein the first extension chamber air tube is disposed on a housing extension of the earphone body. 9. The earphone structure of claim 7, wherein the first extension chamber air tube is disposed on a housing of the earphone body. 10. The earphone structure of claim 7, wherein the sound field characteristics formed in the earphone structure are adjusted by the two extension chamber air tubes, and the telescopic characteristics of the second extension chamber air tube are eliminated. Adjustment. The earphone structure of claim 7, wherein the sound field formed in the earphone structure is adjusted by the second extension chamber air tube by adjusting the second extension chamber air tube The folding characteristics are adjusted. 12. If the earphone structure described in the patent application scope item [1], the two of the sound instruments are connected to a same sound source, and respectively, the machine body is connected to the body (4) the first extension of the ear age material. Sound chamber 13. If the patent application area is the first two sub-speakers are connected to the phase connection. The earphone structure of the 12th item is the same as the sound source, and the earphone structure described in the 12th aspect is connected in parallel. The manner of the same sound source is in parallel. 14. The second two patent applications. The subspeaker is connected to the phase connection. The invention relates to the earphone structure described in the first item of claim 4, wherein the earphones are opposite to each other, and are selectively disposed in the body and the first extension sound connected to the earphone body Room 34 1296892 15785twf.doc/m Air tube. For example, the earphone structure of claim 15 wherein the one of the earphones is connected to the same sound source is connected in parallel. 1 7 The earphone structure of claim 15, wherein the two sub-speakers are connected to the same sound source in a parallel manner. 18) The earphone structure according to claim 1 of the patent application, wherein The method includes: a sound tube connected to the main body of the earphone; and an air chamber cavity disposed at an outermost edge of the sound tube, forming a resonant air chamber in the air chamber cavity, and using the sound tube to resonate The acoustic waves in the air chamber are transmitted to the sound field in the main body of the earphone via the air medium. 19. The earphone structure of claim 18, further comprising a curved tube connected to the outer casing of the air chamber to adjust the resonant chamber. 20. The earphone structure of claim 19, wherein the bending angle of the curved tube is between 1 (Μ 8 。 degrees. 21) the earphone structure according to claim 19, wherein The bending structure of the curved tube is 90 degrees. 22. The earphone structure of claim 19, wherein one of the sub-speakers is placed at the outer edge of the curved tube. The main body of the earphone comprises a casing, a cover and a casing extension, and uses 1298892 15785 twf.doc/m to form a main sound chamber cavity; and second, a speaker and a plurality of sub-speakers, the main speaker and the part The sub-sound n is placed in the casing, wherein the two speakers are connected to a same sound source. 24. A headphone structure, comprising: a headphone body, including a casing, a casing and a a housing extension for forming a main chamber cavity; a main speaker and a plurality of sub-speakers, the main speaker and a portion of the sub-speakers being disposed in the housing; a sound tube coupled to the headphone body; -: chamber cavity, placed in the sound tube At the outermost edge, in the chamber of the air chamber, the sound chamber (4) sound tube transmits the resonance gas (four) sound wave to the sound field in the main body of the earphone via the working milk. 25. For example, the patent scope is the 24th item. The earphone structure, wherein a more curved pipe is connected to the outer casing of the air chamber cavity for adjusting the total. 26. The earphone structure according to claim 25 of the patent application, the bending angle of the curved officer is between Between 10-180 degrees. ', 27. For example, the bending angle of the curved tube described in item 25 of the patent scope is 9 degrees. One of the two toughness sounds is placed outside the curved tube.