阅读说明：本技术 便携式纯立体声音乐播放机、立体声耳机以及便携式立体声音乐播放系统 (Portable pure stereo music player, stereo earphone and portable stereo music playing system ) 是由 李锐洪 于 2019-04-29 设计创作，主要内容包括：本发明的便携式立体声音乐播放系统包括便携式纯立体声音乐播放机和立体声耳机,播放机的左右声道分别具有两个或两个以上电子分频电路,这些电子分频电路将左右声道各自的整个音频域连续分割,每个电子分频电路经多接点连接器独立地输出,耳机具有左声道耳机和右声道耳机,在左声道耳机和右声道耳机内分别设置有与播放机的左右声道的电子分频电路的数目相同的数目的发声单元,左声道耳机和右声道耳机内的每个发声单元分别通过独立的导线经多接点连接器连接于播放机,左声道耳机和右声道耳机内的各发声单元分别播放与播放机的左右声道的各电子分频电路对应的音频段的声音。(The portable stereo music playing system of the invention comprises a portable pure stereo music player and a stereo earphone, wherein the left and the right sound channels of the player are respectively provided with two or more than two electronic frequency dividing circuits, these electronic crossover circuits continuously divide the entire audio domain of each of the left and right channels, each of which is independently output via a multi-contact connector, the headphones having a left channel headphone and a right channel headphone, the left sound channel earphone and the right sound channel earphone are respectively provided with sound production units with the same number as the number of the electronic frequency dividing circuits of the left sound channel and the right sound channel of the player, each sound production unit in the left sound channel earphone and the right sound channel earphone is respectively connected to the player through an independent wire through a multi-contact connector, and each sound production unit in the left sound channel earphone and the right sound channel earphone respectively plays the sound of an audio frequency section corresponding to each electronic frequency dividing circuit of the left sound channel and the right sound channel of the player.)

1. A portable pure stereo music player is characterized in that,

the left and right channels of the portable stereo-only music player have two or more electronic crossover circuits, respectively, which continuously divide the entire audio domain of each of the left and right channels, and each of the electronic crossover circuits is independently output via a multi-contact connector.

2. A portable stereo-only music player as recited in claim 1,

there are also a plurality of amplifiers connected between the electronic frequency-dividing circuits and the multi-point connector and provided corresponding to each of the electronic frequency-dividing circuits and amplifying outputs of the electronic frequency-dividing circuits.

3. A portable stereo-only music player as recited in claim 2,

each of the plurality of amplifiers is a gain adjustable amplifier.

4. A portable stereo-only music player according to any one of claims 1 to 3,

The multi-contact connector is a female connector.

5. A stereo headphone, characterized in that,

having a left channel earphone and a right channel earphone,

the left sound channel earphone and the right sound channel earphone are internally provided with two or more than two sound production units respectively, each sound production unit in the left sound channel earphone and the right sound channel earphone is connected to the outside through an independent wire via a multi-contact connector, and the sound production units in the left sound channel earphone and the right sound channel earphone play a specific range of an audio band respectively.

6. Stereo headphones according to claim 5,

the ranges of the audio segments played by the sound production units in the left channel earphone and the right channel earphone are sequentially continuous.

7. Stereo headphones according to claim 5 or 6,

the left channel headphones and the right channel headphones comprise ear headphones.

8. Stereo headphones according to any one of claims 5 to 7,

the multi-point connector is a male connector.

9. A portable stereo music playing system is characterized in that,

the portable stereo music playback system includes a portable pure stereo music player and stereo headphones,

The left and right channels of the portable pure stereo music player are respectively provided with two or more electronic frequency dividing circuits which continuously divide the whole audio domain of the left and right channels, and each electronic frequency dividing circuit is independently output through the first multi-contact connector,

the stereo headphones have a left channel headphone and a right channel headphone,

the left sound channel earphone and the right sound channel earphone are respectively provided with sound production units with the same number as the electronic frequency division circuits of the left sound channel and the right sound channel of the portable pure stereo music player, each sound production unit in the left sound channel earphone and the right sound channel earphone is respectively connected with a second multi-contact connector through an independent wire,

the second multi-contact connector is a connector that mates with the first multi-contact connector, whereby the stereo headphones are connected to the portable stereo-only music player by connecting the second multi-contact connector to the first multi-contact connector,

and the sound production units in the left sound channel earphone and the right sound channel earphone respectively play the sound of the audio frequency section corresponding to the electronic frequency division circuits of the left sound channel and the right sound channel of the portable pure stereo music player.

10. The portable stereo music playback system of claim 9,

the first multi-contact connector is a female connector and the second multi-contact connector is a male connector.

11. Portable stereo music reproduction system according to claim 9 or 10,

the left channel headphones and the right channel headphones comprise ear headphones.

Technical Field

The present invention relates to music playback devices, and more particularly to a portable stereo-only music player, stereo headphones, and a portable stereo music playback system.

Background

As shown in fig. 1 (a) and (b), a conventional player of a portable pure stereo music playback system is configured such that a left-right channel amplifier (also referred to as an earbud) drives a left-right channel earplug (including an earphone) unit to generate sound, the player is connected to the earplug by three wires (a common ground type portable pure stereo music playback system shown in fig. 1 (a)) or four wires (a balanced type portable pure stereo music playback system shown in fig. 1 (b)), and each of the left-right channel earplug has only two wires connected to the player. In order to enhance the performance of the earplug, a producer respectively arranges two or more sounding units in the left and right earplugs, and some sounding units are provided with acoustic pipelines as filtering, so that different sounding units are expected to play different audio frequency bands, and the playing performance of the earplug is improved. However, since the left and right channel earplugs have only two wires connected to the player, all the sound units in each channel earplug are connected in parallel, and all the sound units receive the same electrical signal and emit the same sound, so that it is difficult to divide the frequency accurately.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a portable stereo music player, a stereo headphone, and a portable stereo music playback system.

The invention provides a portable pure stereo music player, which is characterized in that,

the left and right channels of the portable stereo-only music player have two or more electronic crossover circuits, respectively, which continuously divide the entire audio domain of each of the left and right channels, and each of the electronic crossover circuits is independently output via a multi-contact connector.

In the invention, the whole audio domain of each of the left channel and the right channel is continuously divided by using a plurality of electronic frequency dividing circuits and then output, so that a plurality of paths of different and mutually continuous audio signals are actually input to the earphone (or the earplug), thereby realizing real stereo playing.

Further, in the portable stereophonic only music player of the present invention, there are further provided a plurality of amplifiers connected between the electronic frequency dividing circuit and the multipoint connector and provided corresponding to each of the electronic frequency dividing circuits and amplifying outputs of the electronic frequency dividing circuits.

According to the above configuration of the present invention, the output of each of the electronic frequency-dividing circuits can be set to a desired magnitude as needed.

Further, in the portable stereo-only music player of the present invention, each of the plurality of amplifiers is a gain-adjustable amplifier.

According to the above configuration of the present invention, since the gain of each amplifier is adjustable, the output power of each output signal of the left and right channels can be adjusted as necessary to achieve a desired listening effect.

Further, in the portable stereo-only music player of the present invention, the multi-contact connector is a female connector.

Further, the present invention provides a stereo headphone, characterized in that,

having a left channel earphone and a right channel earphone,

the left sound channel earphone and the right sound channel earphone are internally provided with two or more than two sound production units respectively, each sound production unit in the left sound channel earphone and the right sound channel earphone is connected to the outside through an independent wire via a multi-contact connector, and the sound production units in the left sound channel earphone and the right sound channel earphone play a specific range of an audio band respectively.

In addition, in the stereo headphone of the present invention, the ranges in which the sound production units in the left channel headphone and the right channel headphone play audio pieces are sequentially continuous.

According to the present invention, since the respective sound generating units in the left and right channel earphones receive the audio frequencies that are continuous to each other and have different frequencies, respectively, a true stereo listening effect is achieved.

Further, in the stereo headphone of the present invention, the left channel headphone and the right channel headphone are ear headphones.

Further, in the stereo headphone of the present invention, the multi-point connector is a male connector.

In addition, the present invention provides a portable stereo music playback system, characterized in that,

the portable stereo music playback system includes a portable pure stereo music player and stereo headphones,

the left and right channels of the portable pure stereo music player are respectively provided with two or more electronic frequency dividing circuits which continuously divide the whole audio domain of the left and right channels, and each electronic frequency dividing circuit is independently output through the first multi-contact connector,

the stereo headphones have a left channel headphone and a right channel headphone,

The left sound channel earphone and the right sound channel earphone are respectively provided with sound production units with the same number as the electronic frequency division circuits of the left sound channel and the right sound channel of the portable pure stereo music player, each sound production unit in the left sound channel earphone and the right sound channel earphone is respectively connected with a second multi-contact connector through an independent wire,

the second multi-contact connector is a connector that mates with the first multi-contact connector, whereby the stereo headphones are connected to the portable stereo-only music player by connecting the second multi-contact connector to the first multi-contact connector,

and the sound production units in the left sound channel earphone and the right sound channel earphone respectively play the sound of the audio frequency section corresponding to the electronic frequency division circuits of the left sound channel and the right sound channel of the portable pure stereo music player.

According to the portable stereo music playing system, in the portable pure stereo music player, the whole audio frequency domain of each of the left channel and the right channel is continuously divided by utilizing the plurality of electronic frequency dividing circuits, and the corresponding audio frequency is respectively output to each sound production unit in the left channel earphone and the right channel earphone, so that the real stereo playing is realized.

Further, in the portable stereo music playing system of the present invention, the first multi-contact connector is a female connector, and the second multi-contact connector is a male connector.

Further, in the portable stereo music playback system of the present invention, the left channel headphones and the right channel headphones are ear headphones.

Drawings

Fig. 1 (a) is a diagram showing a conventional common type portable stereo-only music playback system, and (b) is a diagram showing a conventional balanced type portable stereo-only music playback system.

Fig. 2 is a diagram of a divide by 3 portable stereo-only music playback system utilizing the present invention.

Fig. 3 is a diagram of another example of a 3-division portable stereo-only music playback system using the present invention.

Fig. 4 is a diagram of a 6-way crossover portable stereo-only music playback system that utilizes the present invention.

Detailed Description

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

First, a brief introduction is made to the current situation of the current portable pure stereo music playing system. There are many multiple sound unit stereo earplugs on the market, some more than 10 sound units in each of the left and right channels, and it is claimed that the multiple sound unit improves the performance of the earplug. However, the actual effect is far from being achieved, and the reason for this is that the left and right channel earplugs are only connected with the player through two wires, all the sound generating units in the left and right channel earplugs are connected in parallel, and all the sound generating units receive the same electric signals, so that the generated sound is basically the same as that of the case of only one sound generating unit.

The invention adds two or more than two electronic frequency dividing circuits on the left and right channels of a portable pure stereo music player, the frequency of each electronic frequency dividing circuit is coherent, but is independent, namely, a plurality of (more than two) electronic frequency dividing circuits are used for dividing the frequency of the output audio of the left channel, thereby outputting a plurality of audio frequencies which are different in frequency and are sequentially continuous in frequency, in addition, the invention can also have respective gain control, each frequency dividing circuit has an independent circuit to output through a multi-contact connector, the same is also true for the right channel, in addition, the multi-contact connector used in the player is a female connector. In an earphone used in a portable stereo music player, two or more sound generating units having different frequency response characteristics are provided corresponding to the respective electronic frequency dividing circuits in the portable stereo music player, and each unit (or unit group) is connected to a multi-contact connector by an independent wire. In use, the multi-point connector of the headphones is inserted into the multi-point connector of the player, thereby connecting the two. The multi-contact connector of the earphone corresponds to the multi-contact connector of the player in frequency, and the sound production units with different frequency bands are arranged in the player, so that each sound production unit (or unit group) in the earphone receives electric signals with corresponding frequency bands and controllable strength and produces sound in the corresponding frequency band. Furthermore, the above-mentioned earphones may also be ear earphones.

The invention relates to a portable pure stereo music playing system, which comprises a player and a plurality of sound production units (or unit groups) which are arranged in the player and correspond to frequency division output circuits one by one, wherein the player comprises a plurality of frequency division output circuits, the earphones (such as earplug type earphones) comprise sound production units (or unit groups) of corresponding frequency bands, and each sound production unit is connected to the circuit output end of the corresponding frequency band of the player through a multi-contact connector by using an independent wire.

The case of a divide by 3 portable stereo-only music playback system is shown in fig. 2. Specifically, in the portable stereo-only music playback system shown in fig. 2, the output of the player is of the common ground type, the player has three electronic crossover circuits in the left channel, performs high-pitch crossover, middle-pitch crossover, and low-pitch crossover on the left channel, and outputs sounds in the high-frequency, middle-frequency, and low-frequency bands, respectively, and the divided sounds in the high-frequency, middle-frequency, and low-frequency bands are amplified by a high-frequency amplifier, a middle-frequency amplifier, and a low-frequency amplifier, respectively, and the outputs of the high-frequency amplifier, the middle-frequency amplifier, and the low-frequency amplifier can be output to the outside via a 7-point connector provided in the player, that is, the outputs of the high-frequency amplifier, the middle-frequency amplifier, and the low-frequency amplifier are connected to a 7-point connector (the connector is a female connector), in the case shown in fig, the connectors are male connectors) to connect the left channel and the left channel headphones of the player, and the high-frequency, intermediate-frequency, and low-frequency band sounds output from the high-frequency amplifier, intermediate-frequency amplifier, and low-frequency amplifier are input to the high-frequency sound generating unit (or unit group), intermediate-frequency sound generating unit (or unit group), and low-frequency sound generating unit (or unit group) of the left channel headphones, respectively. Further, as in the case of the left channel, the right channel is also configured such that the player has three electronic crossover circuits in the right channel, performs high-pitch crossover, middle-pitch crossover and low-pitch crossover on the right channel, and outputs sounds in the high frequency band, the middle frequency band and the low frequency band, and amplifies the divided sounds in the high frequency band, the middle frequency band and the low frequency band by the high frequency amplifier, the middle frequency amplifier and the low frequency amplifier, respectively, and the outputs of the high frequency amplifier, the middle frequency amplifier and the low frequency amplifier are outputted to the outside via the 7-point connector, that is, the outputs of the high frequency amplifier, the middle frequency amplifier and the low frequency amplifier are connected to the 7-point connector, and in the case shown in fig. 2, the 7-point connector of the player is connected to the 7-point connector of the headphone, and the right channel of the player is connected to, the high-frequency, intermediate-frequency, and low-frequency band sounds output from the high-frequency amplifier, intermediate-frequency amplifier, and low-frequency amplifier are input to the high-frequency sound generating unit (or unit group), intermediate-frequency sound generating unit (or unit group), and low-frequency sound generating unit (or unit group) of the right-channel headphone, respectively.

As shown in fig. 2, the 3-division stereo headphone includes a left channel headphone and a right channel headphone corresponding to a 3-division portable stereo music player, the left channel headphone includes a high-frequency sound generating unit (or a unit group), a middle-frequency sound generating unit (or a unit group), and a low-frequency sound generating unit (or a unit group) corresponding to a left channel of the player, the high-frequency sound generating unit (or the unit group) is connected to a 7-contact connector provided in the headphone through a high-frequency line, the middle-frequency sound generating unit (or the unit group) is connected to a 7-contact connector provided in the headphone through a middle-frequency line, and the low-frequency sound generating unit (or the unit group) is connected to the 7-contact connector provided in the headphone through a low-frequency line, whereby sounds in high-frequency, middle-frequency, and low-frequency bands from the left channel of the 3-division portable stereo music player are input to the left channel through the 7-contact A high frequency sound emitting unit (or unit group), a medium frequency sound emitting unit (or unit group), and a low frequency sound emitting unit (or unit group) of the channel headphone. Similarly, the right channel headphone includes a high-frequency sound generating unit (or unit group), a middle-frequency sound generating unit (or unit group), and a low-frequency sound generating unit (or unit group) corresponding to the right channel of the player, the high-frequency sound generating unit (or unit group) is connected to the 7-contact connector of the headphone through a high-frequency line, the middle-frequency sound generating unit (or unit group) is connected to the 7-contact connector of the headphone through a middle-frequency line, and the low-frequency sound generating unit (or unit group) is connected to the 7-contact connector of the headphone through a low-frequency line, whereby the sounds in the high-frequency, middle-frequency, and low-frequency ranges from the right channel of the 3-division portable stereo music player are input to the high-frequency sound generating unit (or unit group) of the right channel headphone through the 7-contact connector of the player and the, A mid-frequency sound generating unit (or unit group) and a low-frequency sound generating unit (or unit group). Also, shown in fig. 2 is a common ground type connection, that is, common ground lines of the high frequency sound emitting unit (or unit group), the middle frequency sound emitting unit (or unit group), and the low frequency sound emitting unit (or unit group) of each of the left channel earphone and the right channel earphone are connected to each other and to the 7-point connector, and when the 7-point connector of the divide-by-3 stereo earphone is connected to the 7-point connector of the player, the common ground lines are connected to a common ground of the 7-point connector of the player. Further, although a 3-division stereo headphone is shown in fig. 2, the present invention is not limited to this, and an earplug (ear headphone) or the like may be used.

Fig. 3 shows another example of a divide-by-3 portable stereo-only music playback system, i.e., a divide-by-3 portable stereo-only playback system with gain control. Specifically, the other configuration in fig. 3 is the same as that in fig. 2 except that the gains of the high frequency amplifier, the intermediate frequency amplifier, and the low frequency amplifier of the left channel and the right channel are independently controllable, that is, the gains of the high frequency amplifier, the intermediate frequency amplifier, and the low frequency amplifier can be independently adjusted to achieve a better listening effect.

Further, in fig. 4, which shows a portable stereo-only music playback system having 6-way electronic division, gain-adjustable, and balanced output, as shown in fig. 4, the player and the 6-way stereo headphone are connected with a 24-point connector, that is, a female 24-point connector (female connector) of the player and a male 24-point connector (male connector) of the 6-way stereo headphone are connected to each other. Specifically, in the portable pure stereo music playback system shown in fig. 4, the player has six electronic frequency dividing circuits in the left channel, performs alto frequency division, treble frequency division, alto frequency division, bass frequency division, and bass frequency division on the left channel, and outputs sounds in the alto, treble, alto, bass, and bass frequency bands, respectively, and further amplifies the sounds in the super, treble, alto, bass, and bass frequency bands after frequency division by using an ultra high frequency amplifier, a high frequency amplifier, an intermediate low frequency amplifier, a low frequency amplifier, and an extremely low frequency amplifier, respectively, and the outputs of the ultra high frequency amplifier, the intermediate frequency amplifier, the low frequency amplifier, and the extremely low frequency amplifier can be output to the outside via a 24-contact connector, that is, the outputs of the UHF amplifier, the HF-IF amplifier, the LF amplifier and the LF amplifier are connected to a 24-contact connector (here, the connector is a female connector), in the case shown in fig. 4, the 24-point connector of the player is connected with the 24-point connector of the headphone (accordingly, the 24-point connector of the headphone is a male connector) to connect the left channel of the player with the left channel headphone, and the ultra-high frequency amplifier, the high-intermediate frequency amplifier, the low-frequency amplifier and the ultra-low frequency amplifier output ultra-high pitch, high intermediate pitch, low pitch and ultra-low frequency band sound respectively input to the ultra-high frequency sound generating unit, the high-intermediate frequency sound generating unit, the low frequency sound generating unit and the ultra-low frequency sound generating unit of the left channel earphone. Further, as in the case of the left channel, the right channel is also provided with six electronic frequency dividing circuits in the right channel, the right channel is subjected to super-high tone frequency division, high-middle tone frequency division, low-middle tone frequency division, and very-low tone frequency division, and the right channel is outputted with super-high tone, high-middle tone, low tone, and very-low tone frequency respectively, and the divided super-high tone, high-middle tone, low tone, and very-low tone frequency band sounds are amplified by the super-high frequency amplifier, high-middle frequency amplifier, low-middle tone, and very-low tone frequency amplifier respectively, and the outputs of the super-high frequency amplifier, high-middle frequency amplifier, low-, that is, the outputs of the uhf amplifier, the hf amplifier, the hmw amplifier, the lf amplifier, and the lf amplifier are connected to the 24-contact connector, and in the case shown in fig. 4, the 24-contact connector of the player is connected to the 24-contact connector of the headphone to connect the right channel of the player to the right channel headphone, and the ultra-high, treble, alto, bass, and bass sounds output from the uhf amplifier, the lf amplifier, the hmw amplifier, the lf amplifier, and the lf amplifier are input to the uhf sounding unit, the hf sounding unit, the hmw sounding unit, the lf sounding unit, and the lf unit of the right channel headphone, respectively. As shown in fig. 4, the uhf amplifier, the hf amplifier, the high-if amplifier, the low-if amplifier, the lf amplifier, and the lf amplifier for the left channel and the right channel may be gain-adjustable amplifiers, that is, the gains of the vhf amplifier, the hf amplifier, the high-if amplifier, the low-if amplifier, the lf amplifier, and the lf amplifier may be independently adjusted, respectively, so as to achieve the purpose of achieving a better listening effect.

As shown in fig. 4, the 6-division stereo headphones (6-way stereo headphones) for the 6-division portable stereo music player include a left channel headphone and a right channel headphone, and the left channel headphone includes an ultra-high frequency sound generating unit, a high-middle frequency sound generating unit, a low-middle frequency sound generating unit, and an extremely-low frequency sound generating unit corresponding to the left channel of the player, and these ultra-high frequency sound generating unit, high-middle frequency sound generating unit, low-middle frequency sound generating unit, and extremely-low frequency sound generating unit are connected to the 24-contact connectors of the headphones via ultra-high frequency lines, high-middle frequency lines, low-middle frequency lines, and extremely-low frequency lines, respectively, whereby ultra-high-pitch, high-middle pitch, low-middle, The sound of bass and extra-low audio frequency is input into the ultra-high frequency sound generating unit, the high and middle frequency sound generating unit, the low and middle frequency sound generating unit and the ultra-low frequency sound generating unit of the left channel earphone through the 24-point connector of the player and the 24-point connector of the earphone matched with the player. Similarly, the right channel headphone has an ultrahigh frequency sound generating unit, a high intermediate frequency sound generating unit, a low frequency sound generating unit, and an extremely low frequency sound generating unit corresponding to the right channel of the player, and these ultrahigh frequency sound generating unit, high intermediate frequency sound generating unit, low frequency sound generating unit, and extremely low frequency sound generating unit are connected to the 24-contact connector of the headphone through an ultrahigh frequency line, a high intermediate frequency line, a low frequency line, and an extremely low frequency line, respectively, whereby the sounds of the right channel of the 6-division portable pure stereo music player are inputted to the ultrahigh frequency sound generating unit of the right channel headphone through the 24-contact connector of the player and the 24-contact connector of the headphone corresponding thereto, respectively, High frequency sound production unit, high-middle frequency sound production unit, low frequency sound production unit and extremely low frequency sound production unit.

Further, in the configuration shown in fig. 4, the left channel headphone and the right channel headphone are connected to the player through the 24-contact connector of the headphones and the 24-contact connector of the player, constituting a balanced playback system, and the 24-contact connector of the player and the 24-contact connector of the headphones are mated with each other. Further, the left and right channel headphones described above may be ear headphones.

In addition, the configurations shown in fig. 2 to 4 are merely embodiments of the present invention, and actually, for the left and right channels of the player, there are no limitations to providing 3 or 6 electronic frequency dividing circuits, but the number of the electronic frequency dividing circuits may be determined according to actual needs, and of course, the sound emitting units in the left and right channel headphones must correspond to the number of the electronic frequency dividing circuits provided for the left and right channels of the player, accordingly. Furthermore, the choice of the connector to use can be made according to the actual situation, i.e. the number of its contacts can be determined according to the situation. Further, in the above-described embodiment, the number of the electronic frequency-dividing circuits provided in the left channel and the right channel is the same, but may be different, but it is preferable that the number of the electronic frequency-dividing circuits provided in the left channel and the right channel is the same in order to have a better listening effect.

The present invention has been described above by way of examples, but the present invention is not limited to these examples, and various modifications can be made without departing from the spirit of the present invention.