CN212305644U - 9.1 sound channel bluetooth headset with headphone amplifier - Google Patents
9.1 sound channel bluetooth headset with headphone amplifier Download PDFInfo
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- CN212305644U CN212305644U CN202021414473.3U CN202021414473U CN212305644U CN 212305644 U CN212305644 U CN 212305644U CN 202021414473 U CN202021414473 U CN 202021414473U CN 212305644 U CN212305644 U CN 212305644U
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Abstract
A9.1 sound channel Bluetooth headset with a headset amplifier comprises a headset support and earmuffs, wherein the headset support comprises a main support and two auxiliary supports arranged at two ends of the main support, a chip bin and a guide rail are arranged on the main support, a Bluetooth module and an amplifier module are arranged in the chip bin, the Bluetooth module is used for receiving digital signals of audio from sound source equipment, and the amplifier module is used for converting the digital signals acquired by the Bluetooth module into analog signals and modulating the analog signals into electric signals for driving the Bluetooth headset; two all the symmetry is provided with 5 sound producing units in the ear muff in order to constitute 9.1 sound channel surround stereo system.
Description
Technical Field
The utility model relates to a high tone quality earphone technical field especially relates to a 9.1 sound channel bluetooth headset with headphone amplifier.
Background
The existing Bluetooth headset is limited by the volume of the headset and the capacity of a driving unit, only a moving coil or moving iron type sound production unit can be adopted, and the sound field and the sound image performance are poor; meanwhile, for a flat plate type or electrostatic sound generating unit with strong sound field and sound image expression, large driving power is needed, the requirement on front-end driving equipment is extremely high, and the sound generating quality can be ensured only by additionally arranging an ear amplifier (earphone amplifier). Therefore, it is a difficult problem in the technical field of high-quality earphones to provide high-quality auditory enjoyment and to enable users to get rid of the constraint of data transmission harnesses.
Thanks to the rapid development of the bluetooth technology and the high-capacity battery technology in recent years, a technical scheme for integrating a headset amplifier in a bluetooth headset becomes possible. The existing Bluetooth headset amplifier combines a Bluetooth transmission technology with a traditional headset amplifier, the existing Bluetooth headset amplifier is in wireless connection with sound source equipment through a Bluetooth module, digital signals decoded by the Bluetooth module are converted into analog signals to be provided for a DAC circuit, and the analog signals after modulation are input into a headset through a data transmission line by the DAC circuit, so that the limitation of the data line of the sound source equipment and the ear release equipment is liberated to a certain extent. However, this connection does not really get the high-quality headphones free from the connection cord.
Meanwhile, with the improvement of the life quality of people, the user also puts forward a new requirement on the environment stereophonic effect of the head-mounted audio output equipment. Existing multi-channel enabled Headphone or earphone devices employ virtual multi-channel Technology, such as VPT Technology (Virtualphones Technology) proposed by Sony corporation and Dolby Headphone Technology (Dolby Headphone) offered by Dolby laboratories. The former simulates the spatial sense of multi-channel surround sound by adding the difference information to the sound signal played by the earphone according to the slight difference of the sound in frequency and phase after the sound is reflected and absorbed by the external ear and the ear canal of the human body; the latter assigns respective source signal labels in a multi-channel sound environment to each channel through a dolby headphone processor and mixes the subwoofer signal in the right and left channels of a conventional headphone in an appropriate ratio to exhibit the spatial properties of the original audio. However, the implementation of virtual multi-channel technology is limited by the sound production capability of the headphone speaker and the simulation degree of the algorithm on the spatial attributes of the original audio, and the real environmental effect of the original audio cannot be truly reproduced.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages in the prior art, the utility model provides a 9.1 sound channel bluetooth headset with a headset amplifier, which comprises a headset bracket and two ear muffs, wherein the headset bracket comprises a main bracket and two auxiliary brackets arranged at two ends of the main bracket, a chip bin and a guide rail are arranged on the main bracket, the auxiliary brackets are connected with the guide rail in a sliding manner, the number of the ear muffs is two, and the two ear muffs are respectively arranged at one end of the two auxiliary brackets different from the main bracket; the chip bin is arranged in the middle of the earphone support, a Bluetooth module and an amplifier module are arranged in the chip bin, the Bluetooth module is used for receiving digital audio signals from sound source equipment, and the amplifier module is used for converting the digital audio signals acquired by the Bluetooth module into analog signals and modulating the analog signals into electric signals for driving the Bluetooth earphone; sound production units are symmetrically arranged in the two ear muffs; each ear muff is internally provided with 5 sounding units to form a 9.1 sound channel system; the sounding unit comprises 1 ultralow frequency sounding unit, and the ultralow frequency sounding unit is arranged in the center of the ear shield; each ear muff is also internally provided with 1 front upper sound production unit, 1 front lower sound production unit, 1 rear upper sound production unit and 1 rear lower sound production unit; the front upper sound production unit, the front lower sound production unit, the rear upper sound production unit and the rear lower sound production unit are respectively positioned at the upper side of the front end, the lower side of the front end, the upper side of the rear end and the lower side of the rear end of the ear muff, and the sound production frequency of the ultra-low frequency sound production unit is 8-150 Hz; the sound generating units are miniature flat plate type vibration units, and a multi-channel surround stereo system is formed by the sound generating units.
Preferably, the number of the amplifier modules is 2, and 2 of the amplifier modules respectively drive the sound generating units on two sides.
Preferably, a decoding module is further arranged in the chip bin, the amplifier module has n channels, and n is equal to the number of sound generating units arranged in each ear muff; the decoding module is used for AC-3 decoding the digital signal and transmitting the analyzed digital signal to a corresponding channel of the amplifier module; and each channel of the amplifier module respectively drives each sounding unit.
Preferably, the sound production unit has a volume of not more than 1 cubic centimeter and a sensitivity of more than 100.
Preferably, when the channel information of the audio is smaller than the number of channels of the bluetooth headset, the decoding module distributes the low-frequency sounding information of the audio to each corresponding channel of the amplifier module according to the channel to which the audio belongs and finally drives the corresponding ultra-low-frequency sounding unit.
Preferably, when the channel information of the audio is a binaural, the decoding module distributes the mid-frequency and high-frequency sounding information of the audio to each corresponding channel of the amplifier module according to the channel balance of the audio and finally drives each corresponding sounding unit.
Preferably, when the channel information of the audio is a 5.1 channel, the decoding module distributes the sound information in the front channel and the rear channel of each side to the front upper channel and the front lower channel and the rear upper channel and the rear lower channel of the corresponding side of the amplifier module in a balanced manner according to the channel to which the audio belongs, distributes the sound information in the middle field channel and the rear channel of each side to the front upper channel and the front lower channel of the corresponding side of the amplifier module in a balanced manner, and finally drives the corresponding sound units.
Preferably, when the channel information of the audio is a 7.1 channel, the decoding module respectively and equally distributes the sounding information in the front channel and the rear channel of each side to the front upper channel and the front lower channel and the rear upper channel and the rear lower channel of the corresponding side of the amplifier module according to the channel to which the audio belongs, and respectively and equally distributes the sounding information of the midfield channel of each side to the front upper channel and the front lower channel of the corresponding side of the amplifier module, and respectively and equally distributes the sounding information of the midfield channel of each side to the front upper channel, the front lower channel, the rear upper channel and the rear lower channel of the corresponding side of the amplifier module, and finally drives the corresponding sounding units.
Drawings
Fig. 1 is the working principle diagram of the 9.1 sound track bluetooth headset with the headset amplifier of the utility model.
Fig. 2 is a schematic structural diagram of an embodiment of the 9.1 channel bluetooth headset with an earphone amplifier of the present invention.
Fig. 3 is a schematic view of a partial structure of an embodiment of the 9.1 channel bluetooth headset with an earphone amplifier of the present invention.
Fig. 4 is a schematic diagram of the dual-channel audio and bluetooth headset channel data distribution of an embodiment of the 9.1-channel bluetooth headset with the headset amplifier of the present invention.
Fig. 5 is the schematic diagram of the 5.1 sound channel audio and bluetooth headset sound channel data distribution of an embodiment of the 9.1 sound channel bluetooth headset with the headset amplifier of the present invention.
Fig. 6 is a schematic diagram of the 7.1 channel audio and bluetooth headset channel data distribution of an embodiment of the 9.1 channel bluetooth headset with the headset amplifier of the present invention.
The system comprises a Bluetooth headset, a 110-headset support, a 111-main support, a 112-auxiliary support, a 113-guide rail, 120-earmuffs, a 121-ultra-low frequency sound production unit, a 122-front upper sound production unit, a 123-front lower sound production unit, a 124-rear upper sound production unit, a 125-rear lower sound production unit, a 130-chip bin, a 131-Bluetooth module, a 132-decoding module and a 133-amplifier module, wherein the Bluetooth headset is arranged on the front side of the headset; l1, L2, R1, R2-sound unit.
Detailed Description
In order to make high tone quality earphone really break away from the constraint of connecting wire, realize headphone equipment's true multichannel sense of hearing and experience, 9.1 sound channel bluetooth headset with headphone amplifier is realized through following technical scheme:
referring to fig. 1 to fig. 3, fig. 1 is a schematic diagram of a 9.1 channel bluetooth headset with an earphone amplifier according to the present invention. Fig. 2 is a schematic structural diagram of an embodiment of the 9.1 channel bluetooth headset with an earphone amplifier of the present invention. Fig. 3 is a schematic view of a partial structure of an embodiment of the 9.1 channel bluetooth headset with an earphone amplifier of the present invention.
The embodiment provides a 9.1 channel bluetooth headset with a headset amplifier, which includes a headset bracket 110 and ear muffs 120, where the headset bracket 110 includes a main bracket 111 and two sub-brackets 112 disposed at two ends of the main bracket 111, the main bracket 111 is provided with a chip bin 130 and a guide rail 113, the sub-brackets 112 are slidably connected to the guide rail 113, the number of the ear muffs 120 is two, the two ear muffs are respectively disposed at one end of the two sub-brackets 112 different from the main bracket 111, sound generating units are symmetrically disposed in the two ear muffs 120, and 5 sound generating units are disposed in each ear muff 120, so as to form a 9.1 channel system; the sounding unit comprises 1 ultra-low frequency sounding unit 121, and the ultra-low frequency sounding unit 121 is arranged at the center of the ear muff 120; each ear muff 120 is also internally provided with 1 front upper sound production unit 122, one front lower sound production unit 123, one rear upper sound production unit 124 and one rear lower sound production unit 125; the front upper sound-emitting unit 122, the front lower sound-emitting unit 123, the rear upper sound-emitting unit 124 and the rear lower sound-emitting unit 125 are respectively located at the upper side of the front end, the lower side of the front end, the upper side of the rear end and the lower side of the rear end of the ear muff 120, and the sound-emitting frequency of the ultra-low frequency sound-emitting unit 121 is 8-150 Hz. The sound generating unit is a miniature flat plate type vibration unit, the volume of the miniature flat plate type vibration unit is not more than 1 cubic centimeter, and the sensitivity of the miniature flat plate type vibration unit is more than 100 dB; and a plurality of the sound production units form a multi-channel surround sound system.
The chip chamber 130 is disposed in the middle of the earphone holder 110, a bluetooth module 131, a decoding module 132 and an amplifier module 133 are disposed in the chip chamber 130, the bluetooth module 131 is configured to receive a digital audio signal from an audio source device, the decoding module 132 is configured to perform AC-3 decoding on the digital audio signal to serve as an input signal of a multi-channel surround sound system composed of a plurality of sound generating units, and the amplifier module 133 is configured to convert the digital audio signal acquired by the bluetooth module 131 or a signal input by the decoding module 132 into an analog signal and modulate the analog signal into an electrical signal for driving the bluetooth earphone 100.
The amplifier module 133 has n channels, where n is equal to the number of sound units in each ear shell 120, the decoding module 132 transmits the analyzed digital signal to the corresponding channel of the amplifier module 133, and each channel of the amplifier module 133 converts the digital signal into an analog signal and modulates the analog signal into an electrical signal to drive each sound unit.
This embodiment is integrated in bluetooth headset 100's main support 111 with the earphone amplifier, has changed the tradition and has transmitted the audio file by the audio source equipment to the data transmission route and the mode that the bluetooth headset finally driven the sound generating unit through bluetooth module transmission after the processing of wiring formula power amplifier, has shortened the conversion of data, the decoding process for bluetooth headset's listening tone quality has obtained leap formula promotion when breaking away from the data line. Meanwhile, the high-performance micro-volume miniature flat plate type vibration unit is adopted, so that a plurality of sound production units can be arranged in a wired space of an earmuff of the Bluetooth headset to form a multi-channel surround stereo system, and the ultra-low frequency sound production unit in the middle of the earmuff ensures the deep texture of heavy and low sound, so that a user can experience the auditory feast of a real stereo environment sound field at any time and any place only through the Bluetooth headset without a complex and expensive multi-channel sound system or a virtual multi-channel coding and decoding system.
Please refer to fig. 4 to fig. 6, wherein fig. 4 is a schematic diagram illustrating channel data allocation of a dual-channel audio and bluetooth headset according to an embodiment of the present invention, which is a 9.1-channel bluetooth headset with a headset amplifier. Fig. 5 is the schematic diagram of the 5.1 sound channel audio and bluetooth headset sound channel data distribution of an embodiment of the 9.1 sound channel bluetooth headset with the headset amplifier of the present invention. Fig. 6 is a schematic diagram of the 7.1 channel audio and bluetooth headset channel data distribution of an embodiment of the 9.1 channel bluetooth headset with the headset amplifier of the present invention.
When the channel information of the audio is smaller than the number of channels of the bluetooth headset 100, the decoding module 132 distributes the low-frequency sounding information of the audio to each corresponding channel of the amplifier module according to the channel to which the audio belongs and finally drives the corresponding ultra-low-frequency sounding unit 121.
Specifically, when the channel information of the audio is a dual channel, the decoding module 132 equally distributes the mid-frequency and high-frequency sounding information of the audio to each corresponding channel of the amplifier module 133 according to the channel to which the mid-frequency and high-frequency sounding information belongs, and finally drives each corresponding sounding unit.
When the audio channel information is 5.1 channels, the decoding module 132 equally distributes the sound information in the front and rear channels of each side to the front upper and front lower and rear upper and rear lower channels of the corresponding side of the amplifier module 133 according to the mid-frequency and high-frequency sound information of the audio, respectively equally distributes the sound information in the mid-field channel of each side to the front upper and front lower channels of the corresponding side of the amplifier module, and finally drives the corresponding sound units.
When the channel information of the audio is 7.1 channels, the decoding module 132 respectively and equally distributes the sounding information in the front channel and the rear channel of each side to the front upper channel, the front lower channel, the rear upper channel and the rear lower channel of the corresponding side of the amplifier module 133 according to the channel to which the audio belongs, and equally distributes the sounding information of the midfield channel of each side to the front upper channel and the front lower channel of the corresponding side of the amplifier module, and equally distributes the sounding information of the midfield channel of each side to the front upper channel, the front lower channel, the rear upper channel and the rear lower channel of the corresponding side of the amplifier module, and finally drives each corresponding sounding unit.
It should be noted that the above is a detailed description of the present invention, and it should not be considered that the present invention is limited to the specific embodiments, and those skilled in the art can make various modifications and variations on the above embodiments without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a 9.1 sound track bluetooth headset with headphone amplifier which characterized in that: the earphone comprises an earphone support and two earmuffs, wherein the earphone support comprises a main support and two auxiliary supports arranged at two ends of the main support, a chip bin and a guide rail are arranged on the main support, the auxiliary supports are connected with the guide rail in a sliding manner, and the two earmuffs are respectively arranged at one ends of the two auxiliary supports different from the main support;
the chip bin is arranged in the middle of the earphone support, a Bluetooth module and an amplifier module are arranged in the chip bin, the Bluetooth module is used for receiving digital audio signals from sound source equipment, and the amplifier module is used for converting the digital audio signals acquired by the Bluetooth module into analog signals and modulating the analog signals into electric signals for driving the Bluetooth earphone;
sound production units are symmetrically arranged in the two ear muffs; each ear muff is internally provided with 5 sounding units to form a 9.1 sound channel system; the sounding unit comprises 1 ultralow frequency sounding unit, and the ultralow frequency sounding unit is arranged in the center of the ear shield; each ear muff is also internally provided with 1 front upper sound production unit, 1 front lower sound production unit, 1 rear upper sound production unit and 1 rear lower sound production unit; the front upper sound production unit, the front lower sound production unit, the rear upper sound production unit and the rear lower sound production unit are respectively positioned at the upper side of the front end, the lower side of the front end, the upper side of the rear end and the lower side of the rear end of the ear muff, and the sound production frequency of the ultra-low frequency sound production unit is 8-150 Hz;
the sound generating units are miniature flat plate type vibration units, and a multi-channel surround stereo system is formed by the sound generating units.
2. The 9.1 channel bluetooth headset with a headset amplifier according to claim 1, wherein the number of the amplifier modules is 2, and 2 amplifier modules respectively drive the sound emitting units at two sides.
3. The 9.1 channel bluetooth headset with a headset amplifier of claim 2, wherein a decoding module is further disposed in the chip chamber, the amplifier module has n channels, n is equal to the number of sound units disposed in each ear cup; the decoding module is used for AC-3 decoding the digital signal and transmitting the analyzed digital signal to a corresponding channel of the amplifier module; and each channel of the amplifier module respectively drives each sounding unit.
4. The 9.1 channel bluetooth headset with a headset amplifier of claim 1, wherein the sound generating unit is no more than 1 cubic centimeter in volume and has a sensitivity greater than 100.
5. The 9.1 channel bluetooth headset with a headset amplifier according to claim 3, wherein when the channel information of the audio is smaller than the number of channels of the bluetooth headset, the decoding module distributes the low frequency sounding information of the audio to each corresponding channel of the amplifier module according to the channel to which the audio belongs and finally drives the corresponding ultra low frequency sounding unit.
6. The 9.1 channel bluetooth headset with a headset amplifier according to claim 5, wherein when the channel information of the audio is dual channel, the decoding module equally distributes the mid-frequency and high-frequency sounding information of the audio to the corresponding channels of the amplifier module according to the channel to which the audio belongs and finally drives the corresponding sounding units.
7. The 9.1 channel bluetooth headset with a headset amplifier according to claim 5, wherein when the channel information of the audio is 5.1 channels, the decoding module equally distributes the sounding information in the front channel and the rear channel of each side to the front upper channel and the front lower channel, the rear upper channel and the rear lower channel of the corresponding side of the amplifier module according to the channel to which the middle-frequency and high-frequency sounding information of the audio belongs, equally distributes the sounding information in the middle-field channel and the rear channel of each side to the front upper channel and the front lower channel of the corresponding side of the amplifier module, and finally drives the corresponding sounding units.
8. The 9.1 channel bluetooth headset with a headset amplifier according to claim 5, wherein when the channel information of the audio is 7.1 channels, the decoding module respectively and equally distributes the sounding information in the front channel and the rear channel of each side to the front upper channel, the front lower channel, the rear upper channel, and the rear lower channel of the corresponding side of the amplifier module according to the channel to which the middle-frequency and high-frequency sounding information of the audio belongs, respectively and equally distributes the midfield channel sounding information of each side to the front upper channel and the front lower channel of the corresponding side of the amplifier module, respectively and equally distributes the midfield channel sounding information of each side to the front upper channel, the front lower channel, the rear upper channel, and the rear lower channel of the corresponding side of the amplifier module, and finally drives the corresponding sounding units.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021414473.3U CN212305644U (en) | 2020-07-17 | 2020-07-17 | 9.1 sound channel bluetooth headset with headphone amplifier |
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| CN202021414473.3U CN212305644U (en) | 2020-07-17 | 2020-07-17 | 9.1 sound channel bluetooth headset with headphone amplifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111866668A (en) * | 2020-07-17 | 2020-10-30 | 头领科技（昆山）有限公司 | Multichannel bluetooth headset with earphone amplifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111866668A (en) * | 2020-07-17 | 2020-10-30 | 头领科技（昆山）有限公司 | Multichannel bluetooth headset with earphone amplifier |
| CN111866668B (en) * | 2020-07-17 | 2021-10-15 | 头领科技（昆山）有限公司 | Multichannel bluetooth headset with earphone amplifier |
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Address after: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: HEAD-DIRECT (KUNSHAN) Co.,Ltd. |
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Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee before: Kunshan Haifeiman Technology Group Co.,Ltd. |