CN209390288U

CN209390288U - A kind of stereo radio sound equipment

Info

Publication number: CN209390288U
Application number: CN201920312672.4U
Authority: CN
Inventors: 杨诗冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2019-09-13
Anticipated expiration: 2029-03-13

Abstract

The utility model discloses a kind of stereo radio sound equipment, every set stereo radio sound equipment includes a host, at least a L channel speaker and an at least right channel speaker, using wireless connection between host and speaker；The host is built-in with a DSP mainboard and two transmitting chips, DSP mainboard will treated left and right sound track signals, synchronized and launched outward by two transmitting chips；The L channel voice signal of the L channel speaker receiving host transmitting, is played outward by passing through loudspeaker after power amplifier chips amplified signal；The right channel sound signal for having a receiving host to emit in the right channel speaker is played outward by passing through loudspeaker after power amplifier chips amplified signal；For the utility model using U sections of transmission, transmitting range is remote, can use multiple detachable speaker boxs simultaneously, and compared to traditional single cabinet stereo radio sound equipment, installation is more convenient, and sound effect is more three-dimensional.

Description

A kind of stereo radio sound equipment

Technical field

The utility model relates to a kind of sound equipments, and in particular to a kind of stereo radio sound equipment.

Background technique

Existing stero set is divided into wired and wireless two kinds, and wired stero set is limited in that installation fiber crops It is tired, longer signal wire is needed if sound equipment position is installed farther out, is unfavorable for the arrangement and use of sound equipment.And nothing on the market Line sound equipment is mostly the stero set of single cabinet, the phonation unit distance of the L channel of single cabinet stero set and right channel compared with Closely, when playing, stereophonic effect is bad.

Summary of the invention

Technical problem to be solved in the utility model is a kind of stereo radio sound equipment, using U sections of transmission audio signals, Transmitting range is remote, two transmitting cores built in a host, and left and right acoustic channels audio signal is distinguished synchronized transmissions, left and right sound track signals It is played by synchronous receive of different cabinets, realizes stereophonic effect, this split type design makes left and right acoustic channels speaker can slightly long distance From arrangement, sound effect is more three-dimensional.

The utility model is achieved through the following technical solutions: a kind of stereo radio sound equipment, every stereo nothing of set Line sound equipment includes a host, at least a L channel speaker and an at least right channel speaker, is used between host and speaker It is wirelessly connected；The host is built-in with a DSP mainboard and two transmitting chips, and DSP mainboard by treated, believe by left and right acoustic channels Number, it is synchronized and is launched outward by two transmitting chips；There is a L channel to receive chip and one in the L channel speaker Power amplifier chips, the L channel voice signal of receiving host transmitting are broadcast outward by passing through loudspeaker after power amplifier chips amplified signal It puts；There is a right channel to receive chip and a power amplifier chips, the right channel of receiving host transmitting in the right channel speaker Voice signal is played outward by passing through loudspeaker after power amplifier chips amplified signal.

The speaker of the different capacity includes L channel speaker and right channel speaker, institute as a preferred technical solution, It states L channel speaker and right channel speaker all has different output powers.

The host has a display screen as a preferred technical solution, and DSP mainboard is configured with remote controler, passes through remote control Device remotely controls.

The host further includes having USB input, bluetooth input, AUX input and being configured with as a preferred technical solution, Microphone, microphone input voice signal to DSP mainboard receiving end are simultaneously broadcasted by speaker, and bluetooth input connects external bluetooth and sets It is standby.

Audio signal is wirelessly transmitted to left and right acoustic channels speaker end using U segmented mode by host as a preferred technical solution,.

The beneficial effects of the utility model are: the utility model uses U sections of transmission audio signals, transmitting range is remote, uses Left and right acoustic channels audio signal is distinguished synchronized transmissions, at least two speaker point by two transmitting chips built in one host Not Jie Shou left and right acoustic channels signal, and signal is played back simultaneously, realizes stereo resonating effect.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the working principle diagram of the utility model；

Fig. 2 is the circuit diagram one of the utility model；

Fig. 3 is the circuit diagram two of the utility model；

Fig. 4 is the circuit diagram three of the utility model.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

In the description of the present invention, it should be understood that term " one end ", " other end ", " outside ", "upper", " interior The orientation or positional relationship of the instructions such as side ", "horizontal", " coaxial ", " center ", " end ", " length ", " outer end " is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.

In addition, in the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless Separately there is clearly specific restriction.

The term for the representation space relative position such as "upper", " top ", "lower", " lower section " that the utility model uses is A unit as shown in the drawings or feature are described for the purpose convenient for explanation relative to another unit or feature Relationship.The term of relative space position can be intended to include equipment in use or work other than orientation as shown in the figure not Same orientation.For example, being described as being located at other units or feature " below " or " under " if the equipment in figure overturn Unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both Orientation.Equipment can otherwise be directed (be rotated by 90 ° or other directions), and be interpreted accordingly it is used herein with it is empty Between relevant description language

In the present invention unless specifically defined or limited otherwise, term " setting ", " connection ", " passes through at " socket " Wear ", the terms such as " grafting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

As shown in Figure 1, including a host, a DSP mainboard built in the host, there are two transmittings for the connection of DSP mainboard Chip, using U sections of wireless transmission methods, by left and right sound track signals synchronous transfer to L channel speaker and right channel speaker, left and right Track loudspeaker box has the speaker of different capacity.

Host has a display screen, and DSP mainboard is configured with remote controler, is remotely controlled by remote controler, host further includes having USB input, bluetooth input, AUX input and are configured with microphone, and microphone input voice signal to DSP mainboard receiving end is simultaneously It is broadcasted by speaker, bluetooth input connects external bluetooth equipment, and two transmitting chips pass through U sections of wireless transmission audio signals to machine Case end, is wirelessly transferred in the present embodiment using U section, and transmitting range is farther.

As shown in figs 2-4, U2 is mainboard, handles audio signal；U1 and U4 is respectively left and right acoustic channels transmitting chip, by U2 The signal sent is launched, and U5 and U8 are that left and right acoustic channels audio receives chip, receives what U1 and U4 was emitted respectively Audio signal；U3 and U6 is Audio Signal Processing chip, and the audio-frequency information that U3 and U6 are sent carries out identifying processing；U7 and U9 is left and right acoustic channels power amplifier chips, is played out after amplifying audio signal.

Concrete operating principle: U2 handles left and right audio signal, and sends audio signal to U1 and U4, and U1 and U4 are by audio Signal is launched by way of U sections, and U5 and U8 receive the audio signal that U1 and U4 are emitted respectively, and signal is transmitted To U3 and U6, U3 and U6 carry out the identification of audio, identify whether the audio is audio signal that U2 is emitted, will letter after identification Breath is returned to U5 and U8 respectively, and if the audio signal that U2 is emitted, then U5 and U8 is respectively transmitted to U7 and U9 and carries out audio The processing of signal plays.

The beneficial effects of the utility model are: the utility model uses U sections of transmission audio signals, transmitting range is remote, uses One host generates audio signal, and two transmitting chips emit signal, and at least two reception speakers receive different audio signals, Left and right acoustic channels speaker plays back the signal received, realizes stereo resonating effect.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, any change or replacement expected without creative work be should be covered within the scope of the utility model. Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.

Claims

1. a kind of stereo radio sound equipment, it is characterised in that: every set stereo radio sound equipment includes a host, at least a left side Track loudspeaker box and at least a right channel speaker, using wireless connection between host and speaker；The host is built-in with a DSP Mainboard and two transmitting chips, DSP mainboard will treated left and right sound track signals, it is synchronous to outgoing by two transmitting chips It penetrates；There is a L channel to receive chip and a power amplifier chips, the L channel of receiving host transmitting in the L channel speaker Voice signal is played outward by passing through loudspeaker after power amplifier chips amplified signal；There is a right side in the right channel speaker Sound channel receives chip and a power amplifier chips, and the right channel sound signal of receiving host transmitting passes through power amplifier chips amplified signal It is played outward by loudspeaker afterwards.

2. stereo radio sound equipment as described in claim 1, it is characterised in that: the L channel speaker and right channel speaker Can more use simultaneously, the L channel speaker and right channel speaker can have different output powers.

3. stereo radio sound equipment as described in claim 1, it is characterised in that: the host has a display screen, DSP mainboard Configured with remote controler, remotely controlled by remote controler.

4. stereo radio sound equipment as described in claim 1, it is characterised in that: the host further includes having USB input, bluetooth Input, AUX input and are configured with microphone input, and microphone input voice signal is to DSP mainboard receiving end and passes through speaker Casting, bluetooth input connect external bluetooth equipment.