CN101945315A - Portable voice control system and voice control device thereof - Google Patents

Abstract

A portable sound control system and a sound control device thereof are provided, the system is used for controlling a sound source signal emitted by an electronic device, and the portable sound control system comprises an earphone device and a sound control device. The sound control device comprises a sound source receiving unit, a sound synthesis module and an audio output unit. The sound source receiving unit is used for connecting the electronic device to receive sound source signals generated by the electronic device; the sound synthesis module simultaneously receives the sound source signal and the voice signal from the outside of the sound control device and synthesizes the sound source signal and the voice signal into a synthesized audio; the audio output unit outputs the synthesized audio to the headphone apparatus. When the user uses the portable voice control system to connect with the electronic device, the user can simultaneously hear the voice emitted from the electronic device and the voice or singing voice emitted by the user outside the voice control system.

Description

Portable sound control system and its sound control device

technical field

The invention relates to a portable sound control system and its sound control device, in particular to a portable sound control system and its sound control device for controlling sounds from different sources.

Background technique

Currently, there are many electronic products that provide the function of playing music, such as early CD players, music phones, MP3 or MP4 players that are very popular recently. Many people are accustomed to using earphones to connect these music playback devices to listen to music, especially for users who love to sing, it is a good tool for listening to and practicing singing anytime and anywhere.

However, when the user uses the music player to practice singing, the earphones can only hear the sound of the music played by the music player, and the sound that the user makes when practicing singing along with the music is transmitted back to the user's ear through the air as the medium. In addition, the use of earphones blocks the external sound, and it is often difficult for users to distinguish whether their tone or rhythm matches the music.

If the user wants to practice singing while listening to background music, he often has to use computer equipment and program software to set the sound output and input, which is not a friendly way for users who do not understand computer operations; In addition, when it is most suitable for listening to songs and practicing singing during outdoor activities, or on the way in a car, the computer cannot be carried with you to operate and use, which causes great inconvenience.

Contents of the invention

The object of the present invention is to provide a sound control device and system for the user to hear the voice and tone of the user while listening to the music, so as to enhance the entertainment of the use and improve the user's ability to practice listening to songs. singing effect.

One embodiment of the present invention provides a sound control device, which can be used to control the sound source signal from the earphone device and the electronic device. The sound control device includes a sound source receiving unit, a sound synthesis module and an audio output unit. The sound source receiving unit is used to receive the sound source signal sent by the electronic device, and the sound synthesis module receives the sound source signal and the voice signal from the outside of the sound control device, and synthesizes the two into a synthesized audio; the synthesized synthesized audio can be output by the audio output unit output to the headphone unit. In this way, the earphone device can be used to listen to the sound source from the electronic device and at the same time hear the external voice.

Another embodiment of the present invention provides a portable sound control system, which can control the sound source signal from the electronic device. The portable sound control system includes an earphone device and a sound control device; the sound control device also includes a sound source receiving unit, a sound synthesis module and an audio output unit. The sound source receiving unit and the electronic device can be selectively coupled to receive the sound source signal; and the sound synthesis module receives the voice signal from the outside of the sound control device and the sound source signal from the sound source receiving unit, and synthesizes the sound source signal and the voice signal into a synthesized Audio; the audio output unit then outputs the synthesized audio to the earphone device. In this way, the user can use the portable sound control system to listen to the sound source signal from the electronic device and at the same time hear the voice from the outside.

The portable sound control system and its sound control device provided by the present invention can allow users to freely connect electronic devices that can play sounds, and when using earphone devices to listen to the sounds played by the electronic devices, they can receive sounds from different sources at the same time , such as connecting a music player to listen to background music and the user's singing voice, or connecting a language learning machine to listen to teaching pronunciation and learner's vocalization exercises; and separate the components of the portable sound control system for easy storage when not in use .

Description of drawings

Fig. 1: the block diagram of a kind of portable sound control system first embodiment provided by the present invention;

Fig. 2: the circuit diagram of the sound control device of the first embodiment of the present invention;

Fig. 3: the block diagram of the second embodiment of a kind of portable sound control system provided by the present invention;

Fig. 4: the block diagram of the third embodiment of a portable sound control system provided by the present invention;

Figure 5: a schematic diagram of a fourth embodiment of a portable sound control system provided by the present invention; and

Fig. 6: A schematic diagram of a fifth embodiment of a portable sound control system provided by the present invention.

The reference numerals in the above-mentioned accompanying drawings are explained as follows:

1, 1a-d Portable sound control system

10, 10a-b headphone set

100 speaker modules

100a-b speaker

102, 102a-b audio input unit

12, 12a-d sound control device

120, 120a-b audio output unit

122 sound synthesis modules

124, 124a-b audio source receiving unit

1240 signal cable

126 microphone radio unit

128 microphone amplifier

130, 130a microphone receiving unit

132 switcher

134, 134a shell

136 sound holes

14, 14a external microphone

140, 140a microphone transmission unit

3 electronic devices

30 music player

32 music phone

300, 300a-b audio transmission unit

501 microphone radio unit circuit diagram

503 microphone amplifier circuit diagram

505 sound synthesis module circuit diagram

507 audio output unit circuit diagram

Detailed ways

According to the embodiments of the present invention, several preferred embodiments are provided below to illustrate the technical means that can be used in the present invention, but the following descriptions are only examples and are not intended to limit the present invention.

Referring to the block diagram of the first embodiment of the portable sound control system shown in FIG. 1 , the portable sound control system 1 includes an earphone device 10 and a sound control device 12 . The portable sound control system 1 is used to control the sound source signal sent by the electronic device 3 , so that the sound source signal and the external voice signal are processed by the sound control device 12 and then output to the earphone device 10 together.

The electronic device 3 includes an audio transmission unit 300 . Electronic device 3 such as music player (MP3/MP4player), music mobile phone (Music mobile phone), language learning machine, electronic dictionary or computer and other devices can be used to send out audio signals such as music and song vocabulary pronunciation; and use the audio source transmission unit 300 transmits audio source signals. In this embodiment, the electronic device 3 can generate a stereo audio signal.

The sound control device 12 includes an audio output unit 120 , a sound synthesis module 122 , a sound source receiving unit 124 , a microphone receiving unit 126 and a microphone amplifier 128 . Wherein, the sound source receiving unit 124 can be selectively coupled with the sound source transmission unit 300 of the electronic device 3; when connected to the sound source transmission unit 300, the sound source receiving unit 124 is used to receive the sound source signal sent by the electronic device 3, such as a music player A signal that continues to play out the song. Please also refer to the circuit diagram of the sound control device 12 of this embodiment shown in FIG. 2 . The microphone sound collecting unit 126 (501 in FIG. 2 ) extracts a voice signal from outside the sound control device 12 , such as a user's speaking or singing, and amplifies the extracted voice signal via the microphone amplifier 128 ( 503 in FIG. 2 ).

Both the sound source signal and the speech signal are sent to the sound synthesis module 122 (505 in FIG. 2 ), for the sound synthesis module 122 to process the sound source signal and speech signal synthesis. The sound synthesis module 122 is electrically connected to the sound source receiving unit 124 and the microphone amplifier 128, and continuously mixes audio signals from different sources received at the same time into a synthesized audio. The synthesized audio includes the audio signal from the electronic device 3 and the voice signal extracted from the outside by the microphone unit 126 . In a specific embodiment, the synthesized audio may include the music played by the music player and the singing voice of the user at the same time. The mixed synthesized audio is output to the earphone device 10 through the audio output unit 120 (507 of FIG. 2 ).

The earphone device 10 includes a speaker module 100 and an audio input unit 102, the two are electrically connected to each other, and the audio input unit 102 receives the signal transmitted to the earphone device 10, that is, the synthesized signal output from the audio output unit 120 of the sound control device 12. Audio: the audio input unit 102 transmits the synthesized audio to the speaker module 100 for output. The speaker module 100 may include two speakers (not shown in the figure), which are respectively worn by the user on the left and right ears to receive stereo audio signals.

Wherein, the audio output unit 120 of the sound control device 12 and the audio input unit 102 of the earphone device 10 can also be selectively coupled, and when the two units are connected to each other, they can be used to transmit synthesized audio.

The sound synthesis module 122 of the present embodiment combines the sound source receiving unit 124 and the microphone amplifier 128

After the circuits are connected to each other, they are electrically connected to the operational amplifier IC (Operational amplifier IC), so that the audio source signal and the voice signal are mixed through the connection of the circuit and the amplifier is amplified and adjusted to form a synthesized audio. The operational amplifier circuit chip can respectively amplify the sound source signal and the voice signal in the synthesized audio in proportion. The stereo sound source signal in this embodiment includes two signals representing the left and right channels, which are respectively mixed with the voice signal, so that the synthesized audio is also divided into left and right channel signals, and the sound synthesis module 122 will include left and right channels. The audio of the channel is output at the same time, so that after being transmitted to the earphone device 10 , the two speakers of the speaker module 100 respectively output stereo synthetic audio.

Figure 3 provides a block diagram of a second embodiment of a portable sound control system. The difference from the first embodiment is that the portable sound control system 1a includes an external microphone 14 instead of the microphone unit in the first embodiment to extract voice signals and transmit them to the sound control device 12a. The external microphone 14 includes a microphone transmission unit 140 ; the sound control device 12 a includes a microphone receiving unit 130 electrically connected to the microphone amplifier 128 in addition to the components included in the first embodiment.

The microphone transmission unit 140 and the microphone receiving unit 130 can be selectively connected. When the two units are connected to each other, the external microphone 14 is connected to the sound control device 12a. At this time, the voice signal extracted by the external microphone 14 can be amplified by the microphone amplifier 128 After that, it is sent to the sound synthesis module 122 for synthesis. The rest is the same as the first embodiment and will not be repeated.

Figure 4 shows a block diagram of a third embodiment of the portable sound control system. The sound control device 12b of the third embodiment also includes a switcher 132, electrically connected between the microphone receiving unit 126, the external microphone 14 and the microphone amplifier 128, for integrating the built-in microphone receiving unit 126 and the external microphone 14 for The user arbitrarily selects the way for the portable voice control system 1b to extract the voice signal. The switcher 132 can be a mechanical switching switch. When the microphone transmission unit 140 of the external microphone 14 is connected to the microphone receiving unit 130, the switcher 132 switches the way that the voice signal is transmitted to the sound control device 12b, and receives the signal from the external microphone 14. On the contrary, when the external microphone 14 is not connected to the sound control device 12b, the external voice signal is still extracted by the microphone unit 126 . Other similarities with the first or second embodiment will not be repeated.

As described in the above embodiments, between the sound source transmission unit 300 and the sound source receiving unit 124, between the audio output unit 120 and the audio input unit 102, and between the microphone transmission unit 140 and the microphone receiving unit 130, all can be selectively are connected to each other, and the connection means can use the corresponding audio connection ports to adopt wired electrical connection. For example, both the microphone transmitting unit 140 and the microphone receiving unit 130 can be audio connection ports, one of which is an audio jack (audio jack), and the other is an audio plug (audio plug). When the audio plug is inserted into the jack, the external The microphone 14 is electrically connected to the sound control device 12b. Please refer to FIG. 5 for a specific example.

Fig. 5 is a schematic diagram of the fourth embodiment of the portable sound control system provided by the present invention. The portable sound control system 1 c of this embodiment receives the sound source signal from the music player 30 . The portable sound control system 1c includes: an earphone device 10a, a sound control device 12c and an external microphone 14a. The earphone device 10a has two speakers 100a, 100b for receiving synthesized audio in stereo. Wherein, the audio input unit 102a of the earphone device 10a, the sound source receiving unit 124a of the sound control device 12c, and the microphone transmission unit 140a of the external microphone 14a are all audio plugs. In contrast, the audio output unit 120a and the microphone receiving unit 130a of the sound control device 12c, and the audio source transmission unit 300a of the music player 30 are all audio jacks for electrical connection with an audio plug to transmit signals. The advantage of this connection means is that when the user does not use the music player 30 and the portable sound control system 1c, the audio plug can be pulled out (unplug) from the audio jack, and the earphone device 10a, the sound control device 12c And the external microphone 14a is separated from the music player 30, which is convenient for storage and replacement.

In addition, the sound control device 12c in this embodiment is provided with a casing 134 and a sound receiving hole 136, and the audio output unit 120a, the microphone receiving unit 130a and the sound receiving hole 136 are all arranged on the surface of the casing 134; the sound source receiving unit 124a is an audio jack, Therefore, the signal connection line 1240 is extended from the shell 134 of the sound control device 12c to be inserted into the sound source transmission unit 300a of the music player 30 to form an electrical connection. The microphone receiving unit, the microphone amplifier and the sound synthesis module (the three are not shown in the figure) are housed in the housing 134 , and the microphone receiving unit is located under the sound receiving hole 136 . When the external microphone 14a is not connected to the sound control device 12c, the microphone sound receiving unit 126 can extract the user's externally generated voice signal through the sound receiving hole 136 .

Although the audio connection port is used as a wired connection in the above description, it does not limit the use of only one connection method to connect various devices or components in the same portable sound control system. Manufacturers can use different connection methods according to their needs. A description of an embodiment of a different connection means is provided below.

FIG. 6 provides a schematic diagram of a fifth embodiment of a portable sound control system. The portable sound control system 1d of this embodiment is connected to a music phone 32 through wireless transmission. Wherein, the earphone device 10b is a bluetooth earphone, and its audio input unit 102b is a wireless communication unit supporting the bluetooth hands-free (HFP) or earphone (HSP) protocol. The audio transmission unit 300b of the music phone 32 is also a wireless communication unit, which can support the Bluetooth stereo transmission protocol (A2DP). The audio output unit 120b and the sound source receiving unit 124b of the sound control device 12d are arranged in the casing 134a together with other components, both of which are also wireless communication units supporting Bluetooth transmission, and are used to communicate with the earphone device 10b and the music mobile phone 32 respectively. Bluetooth wireless communication. Currently, Bluetooth devices can achieve multi-pairing (Multipairing), so the voice control device 12d can be wirelessly connected to different devices at the same time.

The built-in microphone unit (not shown) is also accommodated in the housing 134a, and extracts external voice signals through the sound receiving hole 136 on the surface of the housing 134a. When the microphone transmitting unit 140a is electrically connected to the microphone receiving unit 130a, the external microphone 14a extracts the voice signal instead. For switching between the microphone sound receiving unit and the external microphone 14a, please refer to the description of the third embodiment.

After the music mobile phone 32 and the sound control device 12d are wirelessly connected through Bluetooth pairing, and the sound control device 12d and the earphone device 10b are also wirelessly connected through pairing, the sound control device 12d can receive the sound source signal transmitted by the music mobile phone 32, and The voice signal (such as the user's singing voice) extracted by the microphone sound receiving unit or the external microphone 14a, and simultaneously synthesizes the sound source signal and the voice signal into synthesized audio, then wirelessly transmits it to the earphone device 10b for the user to listen to the background music at the same time and his own singing.

The wireless connection method in the fifth embodiment may also include other means such as infrared rays or radio frequency, and the Bluetooth wireless communication described in the fifth embodiment is only one example. In addition, those of ordinary skill in the art can change the distance between the sound source transmission unit 300 and the sound source receiving unit 124, between the audio output unit 120 and the audio input unit 102, and the microphone transmission unit according to the description of the fourth and fifth embodiments. The connection mode between 140 and the microphone receiving unit 130 is, for example, wireless transmission between the electronic device and the sound control device; wired connection between the earphone device and the sound control device, and the like.

According to the descriptions of the above embodiments, it can be seen that the sound control device 12 has a sound synthesis module 122 that can synthesize sounds from different sources and output them from the speaker module 100 of the earphone device 10 . Therefore, the user can hear the sound from the electronic device 3 and the sound received by the microphone unit 126 from the earphone device 10 at the same time. As a specific example, the user can hear the music played by the music player 30 or the music mobile phone 32 from the earphone device 10 , and at the same time hear the user singing into the microphone unit 126 or the external microphone 14 . With the function achieved by this technical means, the user can practice singing along with the song while listening to the song.

In addition to listening to songs and practicing singing, the portable sound control system can also be used for self-training such as language practice, for example: oral practice based on Chinese teaching materials played by electronic devices, and at the same time self-check the accuracy of pronunciation from the earphone device.

In addition, since the sound synthesis function can be achieved by using the sound control device 12, the user only needs to connect any earphone device 10, the electronic device 3 for playing the audio source signal, or even the external microphone 14 to the audio connection port with the same specification. Or on the sound control device 12 that supports the same wireless communication transmission technology, you can carry it with you and start listening to and practicing singing at any time without any setting or adjustment. It is also very convenient to replace the earphone device 10 or the external microphone 14 . Certainly, the user also can replace the electronic device 3 that provides the sound source signal at any time. After the plug is separated from the socket or the wireless connection is terminated, the sound control device 12 can be connected to the music mobile phone 32 instead.

Since each device in the portable sound control system can be selectively connected or not connected, when the user wants to accommodate the portable sound control system, the earphone device 10 and the sound can be respectively disconnected as long as the connection between the devices is interrupted. The control device 12 and the external microphone 14 are separated to increase the convenience for the user when storing.

The above description has clearly disclosed the technical means and effects of the present invention. However, the items listed above are only some exemplary devices applicable to the present invention, and are not intended to limit the applicable scope of the present invention. The technical means that do not substantially change the present invention all belong to the scope of protection covered by the present invention.

Claims (22)

1. A sound control device for controlling a sound source signal sent by an electronic device and outputting sound to an earphone device, characterized in that it includes: A sound source receiving unit for receiving the sound source signal; A sound synthesis module, which receives a voice signal from outside the sound control device and the sound source signal received by the sound source receiving unit, and synthesizes the sound source signal and the voice signal into a synthesized audio; and An audio output unit is used to output the synthesized audio to the earphone device. 2. The sound control device according to claim 1, further comprising: a microphone receiving unit for extracting the voice signal; and A microphone amplifier, electrically connected between the microphone radio unit and the sound synthesis module, is used to amplify the voice signal received by the microphone radio unit. 3. The sound control device according to claim 2, further comprising: a casing, the sound synthesis module, the microphone receiving unit and the microphone amplifier are accommodated in the casing; and A sound receiving hole is arranged on the surface of the casing and the microphone receiving unit for the microphone receiving unit to extract the voice signal. 4. The sound control device according to claim 1, further comprising: A microphone receiving unit for electrically connecting an external microphone to receive the voice signal extracted by the external microphone; and A microphone amplifier, electrically connected between the microphone receiving unit and the sound synthesis module, is used to amplify the voice signal received by the microphone receiving unit. 5. The sound control device according to claim 4, further comprising: A casing, the sound synthesis module and the microphone amplifier are accommodated in the casing. 6. The sound control device according to claim 1, further comprising: A microphone radio unit, used to extract the voice signal; A microphone receiving unit for electrically connecting an external microphone to receive the voice signal extracted by the external microphone; a switcher, electrically connected to the microphone receiving unit and the microphone receiving unit, the microphone receiving unit and the microphone receiving unit are switched according to the switch, and one of them extracts the voice signal; and A microphone amplifier is electrically connected between the switcher and the sound synthesis module for amplifying the voice signal. 7. The sound control device according to claim 6, further comprising: a casing, the sound synthesis module, the microphone radio unit, the switcher and the microphone amplifier are accommodated in the casing; and A sound receiving hole is arranged on the surface of the casing and the microphone receiving unit for the microphone receiving unit to extract the voice signal. 8 . The sound control device according to claim 1 , wherein the sound source receiving unit is an audio connection port for electrically connecting to a corresponding audio connection port of the electronic device. 9. The sound control device as claimed in claim 1, wherein the sound source receiving unit is a wireless communication unit for wirelessly receiving the sound source signal. 10. The sound control device according to claim 1, wherein the audio output unit is an audio connection port for electrically connecting to a corresponding audio connection port of the earphone device. 11. The sound control device according to claim 1, wherein the audio output unit is a wireless communication unit for wirelessly outputting the synthesized audio. 12. A portable sound control system for controlling a sound source signal from an electronic device, characterized in that it comprises: an earphone device; and A voice control device comprising: a sound source receiving unit, selectively coupled to the electronic device, for receiving the sound source signal; A sound synthesis module, receiving a voice signal and the sound source signal received by the sound source receiving unit, and synthesizing the sound source signal and the voice signal into a synthesized audio; and An audio output unit outputs the synthesized audio to the earphone device. 13. The portable sound control system according to claim 12, wherein the sound control device further comprises: A microphone receiving unit is used to extract the voice signal outside the voice control device and transmit it to the voice synthesis module. 14. The portable sound control system of claim 12, further comprising: An external microphone has a microphone transmission unit for extracting the voice signal and transmitting it to the sound control device through the microphone transmission unit. 15. The portable sound control system according to claim 14, wherein the sound control device further comprises: a microphone receiving unit, which is selectively coupled to the microphone transmitting unit, for extracting the voice signal outside the voice control device; Wherein, when the microphone receiving unit is connected to the microphone transmitting unit, the microphone receiving unit extracts the voice signal from the external microphone. 16. The portable sound control system of claim 12, wherein the earphone device further comprises: a speaker module for outputting the synthesized audio; and An audio input unit is selectively coupled to the audio output unit to transmit the synthesized audio to the speaker module. 17. The portable sound control system according to claim 16, wherein the audio output unit is an audio connection port, and the audio input unit is an audio connection port corresponding to the audio output unit. 18. The portable sound control system as claimed in claim 16, wherein the audio output unit and the audio input unit are both wireless communication units for wirelessly outputting and inputting the synthesized audio, respectively. 19. The portable sound control system of claim 16, wherein when the audio output unit is connected to the audio input unit, the audio input unit transmits the synthesized audio to the audio input unit. 20. The portable sound control system as claimed in claim 12, wherein when the sound source receiving unit is coupled with the electronic device, the sound source receiving unit receives the sound source signal. 21. The portable sound control system as claimed in claim 20, wherein the sound source receiving unit is an audio connection port for electrically connecting to a corresponding audio connection port of the electronic device. 22. The portable sound control system as claimed in claim 20, wherein the sound source receiving unit is a wireless communication unit for wirelessly receiving the sound source signal.

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