WO2015120633A1 - Wireless speaker control system and method - Google Patents

Wireless speaker control system and method Download PDF

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Publication number
WO2015120633A1
WO2015120633A1 PCT/CN2014/072181 CN2014072181W WO2015120633A1 WO 2015120633 A1 WO2015120633 A1 WO 2015120633A1 CN 2014072181 W CN2014072181 W CN 2014072181W WO 2015120633 A1 WO2015120633 A1 WO 2015120633A1
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audio
signal
audio signal
module
slave
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PCT/CN2014/072181
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French (fr)
Chinese (zh)
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卢廷松
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深圳市日上光电股份有限公司
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Publication of WO2015120633A1 publication Critical patent/WO2015120633A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003—Digital PA systems using, e.g. LAN or internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Definitions

  • the present invention relates to the field of audio, and more particularly to a wireless audio control system and method.
  • the control center platform is wired or WIFI
  • the method sends an audio signal to each sound, but the wired mode is complicated and difficult to maintain, and inevitably, there is attenuation and interference in the transmission process; WIFI
  • the method does not require wiring, but since a plurality of sounds work in the same frequency band, it is susceptible to interference, and thus the respective sounds cannot receive the audio signals synchronously, thereby making the effect of surround sound not good and the user experience is not high.
  • the technical problem to be solved by the present invention is to provide a wireless audio control system and method that is simple and difficult to be interfered with in the prior art, which is complicated and susceptible to interference.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: constructing a wireless sound control system, comprising a control center platform and a plurality of sounds, the plurality of sounds including a main sound and at least one slave sound, and
  • the control center platform includes:
  • a first WIFI module for transmitting an audio signal through WIFI
  • the main sound includes:
  • a second WIFI module for receiving an audio signal through WIFI
  • a processing module for processing the received audio signal
  • a first Bluetooth module for transmitting the processed audio signal via Bluetooth
  • a first play module for playing the processed audio signal
  • the slave audio includes:
  • a second Bluetooth module for receiving an audio signal via Bluetooth
  • a second play module for playing the received audio signal.
  • LEDs are disposed on each of the speakers a control unit platform further comprising an input module for receiving an illumination brightness and/or a color temperature adjustment signal input by the user and an audio signal to be transmitted selected by the user;
  • An illumination brightness and/or color temperature adjustment signal is also transmitted between the first WIFI module and the second WIFI module;
  • the processing module is further configured to process the illumination brightness and/or color temperature adjustment signal
  • An illumination brightness and/or color temperature adjustment signal is also transmitted between the first Bluetooth module and the second Bluetooth module;
  • the LED light group performs corresponding illumination according to the received illumination brightness and/or color temperature adjustment signal.
  • the first Bluetooth module further includes:
  • a storage unit that stores a list of slave acoustic identifiers that have been previously searched for within the effective communication range.
  • the first Bluetooth module further includes an antenna and a link controller that are sequentially connected, and the link controller includes:
  • a detecting unit for outputting a link establishment driving signal when a Bluetooth signal valid flag is detected
  • a primary state machine for establishing a drive signal according to the link to initiate a link between the primary sound and the slave in the list.
  • the main state machine is further configured to enter a pause mode when the time when no audio signal is transmitted exceeds a preset time.
  • the invention also constructs a wireless sound control method, comprising:
  • the control center platform sends the audio signal to the main sound through WIFI;
  • the main audio processes the received audio signal, and transmits the processed audio signal to at least one slave audio through Bluetooth, and simultaneously plays the processed audio signal;
  • each of the slaves is provided with an LED light group, and the step A further includes:
  • the control center platform transmits the received illumination brightness and/or color temperature adjustment signal of the user input to the main sound through WIFI;
  • the step B further includes:
  • the main stereo processes the received illumination brightness and / or color temperature adjustment signal, and the processed illumination brightness and / via Bluetooth Or the color temperature adjustment signal is sent to the at least one slave audio, and at the same time, the LED group on the main stereo emits corresponding light according to the received illumination brightness and/or color temperature adjustment signal;
  • the step C further includes:
  • the corresponding LEDs are illuminated from the illuminated LED group based on the received illumination brightness and/or color temperature adjustment signal.
  • step B The step of transmitting the processed audio signal to at least one slave audio via Bluetooth includes:
  • step B1 detecting whether a Bluetooth signal valid flag appears in the data stream to be transmitted, and if yes, performing step B2;
  • the output link establishes a driving signal
  • the processed audio signal is transmitted through the established link.
  • the step B3 is:
  • Establishing a drive signal based on the link initiates link establishment between the primary sound and the slave audio in the list, the list being a list of pre-searched slave audio identifiers within the effective communication range.
  • the method further includes:
  • the pause mode is entered.
  • the control center platform only passes WIFI
  • the audio signal to be played is transmitted to one of the stereos (main audio), and the main audio transmits the received audio signal to other audios (from the audio) through Bluetooth, and then the main audio and the slave audio respectively receive the received audio signals. Play it.
  • audio signals are transmitted between stereos via Bluetooth, and Bluetooth uses frequency hopping technology, its frequency hopping rate can be as high as 3200 hops / Second, therefore, the main sound and the slave sound have a high enough anti-interference ability, so that each sound can synchronously receive and play the audio signal, so that the effect of surround sound is better.
  • Bluetooth provides point-to-point and point-to-multipoint wireless connectivity, all audio is mobile within the effective communication range, so networking is very convenient.
  • Embodiment 1 is a logic diagram of Embodiment 1 of a wireless audio control system of the present invention
  • Embodiment 2 is a logic diagram of Embodiment 2 of the wireless audio control system of the present invention.
  • Embodiment 3 is a logic diagram of Embodiment 1 of a first Bluetooth module in the wireless audio control system of the present invention
  • FIG. 4 is a logic diagram of a second embodiment of the first Bluetooth module in the wireless audio control system of the present invention.
  • FIG. 5 is a flow chart of Embodiment 1 of the wireless audio control method of the present invention.
  • Figure 6 is a flow chart of the first embodiment of the step B in Figure 5;
  • Figure 7 is a flow chart of the second embodiment of step B in Figure 5.
  • FIG. 1 is a logic diagram of a first embodiment of a wireless audio control system of the present invention, the wireless audio control system of the embodiment including a control center platform 10 , sound 20, 30, 40, of which, audio 20 is the main sound, sound 30, 40 For the sound from the sound.
  • the present embodiment shows only two slave sounds, it should be understood that the number of slave sounds is not limited to two, and may be other numbers. If the number of sounds exceeds seven, one or some of the sounds can be set from the sound to the sound and set as the main sound, and in theory, the number of sounds can be expanded to an unlimited number, in practical applications. , choose the right amount of sound as needed.
  • the control center platform 10 includes a first WIFI module 11; the main stereo 20 includes a second WIFI The module 21, the processing module 22, the play module 23 and the first Bluetooth module 24; the slave audio 30 include a second Bluetooth module 31 and a second play module 32.
  • the first WIFI The module 11 is used to transmit an audio signal through WIFI, which may be pre-stored in the SD card of the control center platform 10, or through various audio cables (for example, USB, AUX, RCA, XLR, TRS JACKS, etc.) input audio signal, which can also be a radio broadcast signal received by a frequency modulation (FM) module on the control center platform;
  • the WIFI module 21 is configured to receive an audio signal through the WIFI;
  • the processing module 22 is configured to process the received audio signal;
  • the first play module 23 For playing the processed audio signal, it should be understood that the first playing module 23 processes the input audio signal to be converted into a format suitable for playing before playing;
  • the first Bluetooth module 24 For transmitting the processed audio signal through Bluetooth, it should be understood that the first Bluetooth module 24 processes the input audio signal to be converted into a format supported by the Bluetooth protocol before being transmitted;
  • the second Bluetooth module 31 For receiving an audio signal through Bluetooth;
  • the second playing module 32 is configured to play the received audio signal, and similarly,
  • the control center platform only passes WIFI
  • the audio signal to be played is transmitted to one of the stereos (main audio), and the main audio transmits the received audio signal to other audios (from the audio) through Bluetooth, and then the main audio and the slave audio respectively receive the received audio signals. Play it.
  • audio signals are transmitted between stereos via Bluetooth, and Bluetooth uses frequency hopping technology, its frequency hopping rate can be as high as 3200 hops / Second, therefore, the main sound and the slave sound have a high enough anti-interference ability, so that each sound can synchronously receive and play the audio signal, so that the effect of surround sound is better.
  • Bluetooth provides point-to-point and point-to-multipoint wireless connectivity, all audio is mobile within the effective communication range, so networking is very convenient.
  • FIG. 2 is a logic diagram of a second embodiment of the wireless audio control system of the present invention, and the wireless audio control system of the embodiment is compared with FIG.
  • the wireless audio control system shown differs only in that each audio is provided with an LED light group.
  • the main sound 20 includes a first LED light group 25, and the slave sound 30 includes a second LED light group. 33.
  • the control center platform 10 further includes an input module 12 for receiving illumination brightness and/or color temperature adjustment signals input by the user, and Or, the audio signal to be transmitted selected by the user.
  • an illumination brightness and/or color temperature adjustment signal is transmitted between the first WIFI module 11 and the second WIFI module 21, and the processing module 22 It is also used to process the illumination brightness and/or color temperature adjustment signal; an illumination brightness and/or color temperature adjustment signal is also transmitted between the first Bluetooth module 24 and the second Bluetooth module 32.
  • the first LED The light group 25 and the second LED light group 33 perform corresponding illumination according to the received illumination brightness and/or color temperature adjustment signal, thereby further improving the user experience.
  • FIG. 3 is a logic diagram of Embodiment 1 of a first Bluetooth module in the wireless audio control system of the present invention, the first Bluetooth module 24 including a connected antenna 241 and link controller 242, wherein the link controller 242 specifically includes a detecting unit 2421, a main state machine 2422, and a detecting unit 2421 For outputting a link establishment drive signal when a Bluetooth signal valid flag is detected; main state machine 2422 It is used to establish a driving signal according to the link, and initiates a link establishment between the main sound and the slave sound, and the slave sound is searched for in the effective communication range of the main sound. In addition, the main state machine 2422 When the time when no audio signal is sent exceeds the preset time, the pause is entered (Park ) mode.
  • the technical solution of the embodiment has the following advantages: since the main state machine can be started to initiate the link establishment operation according to the detection result, the useless link between the master and slave audio can be reduced in the case of no audio transmission requirement, and the device is effectively reduced. Power consumption.
  • the first Bluetooth module 24 further includes a storage unit 243, wherein the storage unit 243 A list of slave acoustic identifiers that have been previously searched for within the valid communication range is stored, such that the primary state machine 2422 The drive signal can be established according to the link to initiate the link establishment between the main sound and the slave audio in the list, so that it is not necessary to search for the slave audio device within the effective communication range every time there is an audio transmission requirement.
  • FIG. 5 is a flowchart of Embodiment 1 of a wireless audio control method according to the present invention, the wireless audio control method includes:
  • the control center platform sends the audio signal to the main sound through WIFI;
  • the main audio processes the received audio signal, and transmits the processed audio signal to at least one slave audio through Bluetooth, and simultaneously plays the processed audio signal;
  • each of the speakers is provided with an LED lamp group
  • step A further includes: the control center platform passes WIFI sends the received user input illumination brightness and / or color temperature adjustment signal to the main stereo
  • step B also includes: the main stereo pair received illumination brightness and / Or the color temperature adjustment signal is processed, and the processed illumination brightness and/or color temperature adjustment signal is sent to at least one slave audio through Bluetooth, and at the same time, the LED group on the main stereo is based on the received illumination brightness and / Or the color temperature adjustment signal is correspondingly illuminated
  • the step C further comprises: correspondingly emitting light from the audio LED group according to the received illumination brightness and/or color temperature adjustment signal.
  • step B the step of transmitting the processed audio signal to at least one slave audio via Bluetooth includes:
  • step B1. Check whether the Bluetooth signal valid flag appears in the data stream to be transmitted. If yes, go to step B2. If not, no treatment is done;
  • the output link establishes a driving signal
  • the processed audio signal is transmitted through the established link.
  • step B the step of transmitting the processed audio signal to at least one slave audio via Bluetooth is in addition to the figure In addition to steps B1-B4 shown in 6, after step B4, it also includes:
  • step B5. Determine whether the time when no audio signal is sent exceeds the preset time. If yes, go to step B6. If not, continue to wait for the audio signal to be transmitted;

Abstract

A wireless speaker control system and method, comprising: a control center platform (10) sending an audio signal to a main speaker (20) by means of Wi-Fi; the main speaker (20) processing the received audio signal and sending, by means of Bluetooth (24), the processed audio signal to at least one secondary speaker (30); at the same time, playing the processed audio signal; the secondary speaker (30) playing the received audio signal.

Description

一种无线音响控制系统及方法  Wireless audio control system and method 技术领域Technical field
本发明涉及音响领域，尤其是涉及一种无线音响控制系统及方法。  The present invention relates to the field of audio, and more particularly to a wireless audio control system and method.
背景技术Background technique
音响在现代人们的娱乐生活中扮演了重要角色，目前在夜总会、咖啡厅、舞厅及高档酒店、家庭等均有各种音响，这些音响布置在不同位置，以形成环绕立体声的效果，让客人享受优美的音乐。 Audio plays an important role in the entertainment life of modern people. At present, there are various sounds in nightclubs, cafes, dance halls, high-end hotels, homes, etc. These sounds are arranged in different positions to form a surround sound effect for the guests to enjoy. fantastic music.
在目前的音响控制系统中，都是由控制中心平台通过有线方式或 WIFI 方式向各个音响发送音频信号，但是，有线方式布线复杂、维护难度大，而且，在传输过程中不可避免会存在衰减且易受干扰； WIFI 方式不需要布线，但是，由于多个音响工作在同一频段，易受到干扰，从而导致各个音响不能同步地接收音频信号，进而使得环绕立体声的效果不好，用户体验不高。 In the current audio control system, the control center platform is wired or WIFI The method sends an audio signal to each sound, but the wired mode is complicated and difficult to maintain, and inevitably, there is attenuation and interference in the transmission process; WIFI The method does not require wiring, but since a plurality of sounds work in the same frequency band, it is susceptible to interference, and thus the respective sounds cannot receive the audio signals synchronously, thereby making the effect of surround sound not good and the user experience is not high.
发明内容Summary of the invention
本发明要解决的技术问题在于，针对现有技术的上述组网复杂、易受到干扰的缺陷，提供一种组网简单且不易受干扰的无线音响控制系统及方法。 The technical problem to be solved by the present invention is to provide a wireless audio control system and method that is simple and difficult to be interfered with in the prior art, which is complicated and susceptible to interference.
本发明解决其技术问题所采用的技术方案是：构造一种无线音响控制系统，包括控制中心平台及多个音响，所述多个音响包括主音响和至少一个从音响，而且， The technical solution adopted by the present invention to solve the technical problem thereof is: constructing a wireless sound control system, comprising a control center platform and a plurality of sounds, the plurality of sounds including a main sound and at least one slave sound, and
所述控制中心平台包括： The control center platform includes:
用于通过 WIFI 传送音频信号的第一 WIFI 模块； a first WIFI module for transmitting an audio signal through WIFI;
所述主音响包括： The main sound includes:
用于通过 WIFI 接收音频信号的第二 WIFI 模块； a second WIFI module for receiving an audio signal through WIFI;
用于对所接收的音频信号进行处理的处理模块；a processing module for processing the received audio signal;
用于通过蓝牙发送处理后的音频信号的第一蓝牙模块；a first Bluetooth module for transmitting the processed audio signal via Bluetooth;
用于对处理后的音频信号进行播放的第一播放模块；a first play module for playing the processed audio signal;
所述从音响包括：The slave audio includes:
用于通过蓝牙接收音频信号的第二蓝牙模块；a second Bluetooth module for receiving an audio signal via Bluetooth;
用于对所接收的音频信号进行播放的第二播放模块。a second play module for playing the received audio signal.
在本发明所述的无线音响控制系统中，每个音响上设置有 LED 灯组；所述控制中心平台还包括用于接收用户输入的照明亮度和 / 或色温调节信号及用户选择的待传输的音频信号的输入模块；In the wireless audio control system of the present invention, LEDs are disposed on each of the speakers a control unit platform further comprising an input module for receiving an illumination brightness and/or a color temperature adjustment signal input by the user and an audio signal to be transmitted selected by the user;
所述第一 WIFI 模块和所述第二 WIFI 模块之间还传输有照明亮度和 / 或色温调节信号； An illumination brightness and/or color temperature adjustment signal is also transmitted between the first WIFI module and the second WIFI module;
所述处理模块还用于对所述照明亮度和 / 或色温调节信号进行处理； The processing module is further configured to process the illumination brightness and/or color temperature adjustment signal;
所述第一蓝牙模块和所述第二蓝牙模块之间还传输有照明亮度和 / 或色温调节信号； An illumination brightness and/or color temperature adjustment signal is also transmitted between the first Bluetooth module and the second Bluetooth module;
所述 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光。 The LED light group performs corresponding illumination according to the received illumination brightness and/or color temperature adjustment signal.
在本发明所述的无线音响控制系统中，所述第一蓝牙模块还包括： In the wireless audio control system of the present invention, the first Bluetooth module further includes:
存储有预先在有效通讯范围内所搜索到的从音响标识的列表的存储单元。 A storage unit that stores a list of slave acoustic identifiers that have been previously searched for within the effective communication range.
在本发明所述的无线音响控制系统中，所述第一蓝牙模块还包括依次连接的天线和链路控制器，所述链路控制器包括： In the wireless audio control system of the present invention, the first Bluetooth module further includes an antenna and a link controller that are sequentially connected, and the link controller includes:
用于在检测到蓝牙信号有效标志时输出链路建立驱动信号的检测单元； a detecting unit for outputting a link establishment driving signal when a Bluetooth signal valid flag is detected;
用于根据所述链路建立驱动信号，启动主音响与所述列表中的从音响之间的链路建立的主状态机。 A primary state machine for establishing a drive signal according to the link to initiate a link between the primary sound and the slave in the list.
在本发明所述的无线音响控制系统中，所述主状态机还用于在无音频信号发送的时间超过预设时间时，进入暂停模式。 In the wireless audio control system of the present invention, the main state machine is further configured to enter a pause mode when the time when no audio signal is transmitted exceeds a preset time.
本发明还构造一种无线音响控制方法，包括： The invention also constructs a wireless sound control method, comprising:
A. 控制中心平台通过 WIFI 将音频信号发送至主音响； A. The control center platform sends the audio signal to the main sound through WIFI;
B. 主音响对所接收的音频信号进行处理，并通过蓝牙将处理后的音频信号发送至至少一个从音响，同时，对处理后的音频信号进行播放； B. The main audio processes the received audio signal, and transmits the processed audio signal to at least one slave audio through Bluetooth, and simultaneously plays the processed audio signal;
C. 从音响对所接收的音频信号进行播放。 C. Play the received audio signal from the audio.
在本发明所述的无线音响控制方法中，每个从音响上设置有 LED 灯组，而且，所述步骤 A 还包括： In the wireless audio control method of the present invention, each of the slaves is provided with an LED light group, and the step A further includes:
控制中心平台通过 WIFI 将所接收的用户输入的照明亮度和 / 或色温调节信号发送至主音响； The control center platform transmits the received illumination brightness and/or color temperature adjustment signal of the user input to the main sound through WIFI;
所述步骤 B 还包括： The step B further includes:
主音响对所接收的照明亮度和 / 或色温调节信号进行处理，并通过蓝牙将处理后的照明亮度和 / 或色温调节信号发送至至少一个从音响，同时，主音响上的 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光； The main stereo processes the received illumination brightness and / or color temperature adjustment signal, and the processed illumination brightness and / via Bluetooth Or the color temperature adjustment signal is sent to the at least one slave audio, and at the same time, the LED group on the main stereo emits corresponding light according to the received illumination brightness and/or color temperature adjustment signal;
所述步骤 C 还包括： The step C further includes:
从音响上的 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光。 The corresponding LEDs are illuminated from the illuminated LED group based on the received illumination brightness and/or color temperature adjustment signal.
在本发明所述的无线音响控制方法中，在所述步骤 B 中，通过蓝牙将处理后的音频信号发送至至少一个从音响的步骤包括： In the wireless audio control method of the present invention, in the step B The step of transmitting the processed audio signal to at least one slave audio via Bluetooth includes:
B1. 检测待传送的数据流中是否出现蓝牙信号有效标志，若是，则执行步骤 B2 ； B1. detecting whether a Bluetooth signal valid flag appears in the data stream to be transmitted, and if yes, performing step B2;
B2. 输出链路建立驱动信号； B2. The output link establishes a driving signal;
B3. 根据所述链路建立驱动信号，启动主音响与至少一个从音响之间的链路建立； B3. establishing a driving signal according to the link, and starting a link establishment between the main sound and the at least one slave audio;
B4. 通过所建立的链路发送处理后的音频信号。 B4. The processed audio signal is transmitted through the established link.
在本发明所述的无线音响控制方法中，所述步骤 B3 为： In the wireless audio control method of the present invention, the step B3 is:
根据所述链路建立驱动信号，启动主音响与列表中的从音响之间的链路建立，所述列表为有效通讯范围内预先搜索到的从音响标识的列表。 Establishing a drive signal based on the link initiates link establishment between the primary sound and the slave audio in the list, the list being a list of pre-searched slave audio identifiers within the effective communication range.
在本发明所述的无线音响控制方法中，所述步骤 B4 之后，还包括： In the wireless audio control method of the present invention, after the step B4, the method further includes:
在无音频信号发送的时间超过预设时间时，进入暂停模式。 When the time when no audio signal is sent exceeds the preset time, the pause mode is entered.
实施本发明的技术方案，控制中心平台仅通过 WIFI 将待播放的音频信号传送至其中一个音响（主音响），主音响再通过蓝牙将所接收的音频信号传送至其它音响（从音响），然后，主音响和从音响分别对所接收的音频信号进行播放。由于音响之间通过蓝牙传送音频信号，而蓝牙采用跳频技术，其跳频速率可高达 3200 跳 / 秒，因此，主音响和从音响之间具有足够高的抗干扰能力，使得各个音响能同步地接收并播放音频信号，进而使得环绕立体声的效果较好。另外，由于蓝牙提供点对点和点对多点的无线连接，所有音响在有效通讯范围内都是可移动的，因此组网十分方便。 Implementing the technical solution of the present invention, the control center platform only passes WIFI The audio signal to be played is transmitted to one of the stereos (main audio), and the main audio transmits the received audio signal to other audios (from the audio) through Bluetooth, and then the main audio and the slave audio respectively receive the received audio signals. Play it. Since audio signals are transmitted between stereos via Bluetooth, and Bluetooth uses frequency hopping technology, its frequency hopping rate can be as high as 3200 hops / Second, therefore, the main sound and the slave sound have a high enough anti-interference ability, so that each sound can synchronously receive and play the audio signal, so that the effect of surround sound is better. In addition, because Bluetooth provides point-to-point and point-to-multipoint wireless connectivity, all audio is mobile within the effective communication range, so networking is very convenient.
附图说明DRAWINGS
下面将结合附图及实施例对本发明作进一步说明，附图中： The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:
图 1 是本发明无线音响控制系统实施例一的逻辑图； 1 is a logic diagram of Embodiment 1 of a wireless audio control system of the present invention;
图 2 是本发明无线音响控制系统实施例二的逻辑图； 2 is a logic diagram of Embodiment 2 of the wireless audio control system of the present invention;
图 3 是本发明无线音响控制系统中第一蓝牙模块实施例一的逻辑图； 3 is a logic diagram of Embodiment 1 of a first Bluetooth module in the wireless audio control system of the present invention;
图 4 是本发明无线音响控制系统中第一蓝牙模块实施例二的逻辑图； 4 is a logic diagram of a second embodiment of the first Bluetooth module in the wireless audio control system of the present invention;
图 5 是本发明 无线音响控制方法实施例一的流程图； Figure 5 is a flow chart of Embodiment 1 of the wireless audio control method of the present invention;
图 6 是图 5 中步骤 B 实施例一的流程图； Figure 6 is a flow chart of the first embodiment of the step B in Figure 5;
图 7 是图 5 中步骤 B 实施例二的流程图 。 Figure 7 is a flow chart of the second embodiment of step B in Figure 5.
具体实施方式detailed description
图 1 是本发明 无线音响控制系统实施例一的逻辑图，该实施例的无线音响控制系统包括控制中心平台 10 、音响 20 、 30 、 40 ，其中，音响 20 为主音响，音响 30 、 40 为从音响。虽然本实施例仅示出了两个从音响，但应理解，从音响的数量并不限定为两个，还可为其它数量。若从音响的数量超过七个，则可将其中的某个或某些从音响既设置为从音响又设置为主音响，进而理论上可将从音响的数量扩充到无限个，在实际应用中，根据需要选择合适数量的音响。本实施例仅以主音响 20 、从音响 30 来说明主音响和从音响的逻辑结构。在该实施例中，控制中心平台 10 包括第一 WIFI 模块 11 ；主音响 20 包括第二 WIFI 模块 21 、处理模块 22 、播放模块 23 和第一蓝牙模块 24 ；从音响 30 包括第二蓝牙模块 31 和第二播放模块 32 。其中，第一 WIFI 模块 11 用于通过 WIFI 传送音频信号，该音频信号可以是预先存储在控制中心平台 10 的 SD 卡中，也可以是通过各种音频线缆（例如， USB 、 AUX 、 RCA 、 XLR 、 TRS JACKS 等）输入的音频信号，还可以是控制中心平台上的频率调制（ FM ）模块所接收的无线电广播信号；第二 WIFI 模块 21 用于通过 WIFI 接收音频信号；处理模块 22 用于对所接收的音频信号进行处理；第一播放模块 23 用于对处理后的音频信号进行播放，应理解，第一播放模块 23 在播放前，会对所输入的音频信号进行处理，以转换成适合播放的格式；第一蓝牙模块 24 用于通过蓝牙发送处理后的音频信号，应理解，第一蓝牙模块 24 在发送前，会对所输入的音频信号进行处理，以转换成蓝牙协议所支持的格式；第二蓝牙模块 31 用于通过蓝牙接收音频信号；第二播放模块 32 用于对所接收的音频信号进行播放，同样地，第二播放模块 32 在播放前，会对所输入的音频信号进行处理，以转换成适合播放的格式。实施该技术方案，控制中心平台仅通过 WIFI 将待播放的音频信号传送至其中一个音响（主音响），主音响再通过蓝牙将所接收的音频信号传送至其它音响（从音响），然后，主音响和从音响分别对所接收的音频信号进行播放。由于音响之间通过蓝牙传送音频信号，而蓝牙采用跳频技术，其跳频速率可高达 3200 跳 / 秒，因此，主音响和从音响之间具有足够高的抗干扰能力，使得各个音响能同步地接收并播放音频信号，进而使得环绕立体声的效果较好。另外，由于蓝牙提供点对点和点对多点的无线连接，所有音响在有效通讯范围内都是可移动的，因此组网十分方便。 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a logic diagram of a first embodiment of a wireless audio control system of the present invention, the wireless audio control system of the embodiment including a control center platform 10 , sound 20, 30, 40, of which, audio 20 is the main sound, sound 30, 40 For the sound from the sound. Although the present embodiment shows only two slave sounds, it should be understood that the number of slave sounds is not limited to two, and may be other numbers. If the number of sounds exceeds seven, one or some of the sounds can be set from the sound to the sound and set as the main sound, and in theory, the number of sounds can be expanded to an unlimited number, in practical applications. , choose the right amount of sound as needed. This embodiment only uses the main sound 20, from the sound 30 to explain the logical structure of the main and slave audio. In this embodiment, the control center platform 10 includes a first WIFI module 11; the main stereo 20 includes a second WIFI The module 21, the processing module 22, the play module 23 and the first Bluetooth module 24; the slave audio 30 include a second Bluetooth module 31 and a second play module 32. Among them, the first WIFI The module 11 is used to transmit an audio signal through WIFI, which may be pre-stored in the SD card of the control center platform 10, or through various audio cables (for example, USB, AUX, RCA, XLR, TRS JACKS, etc.) input audio signal, which can also be a radio broadcast signal received by a frequency modulation (FM) module on the control center platform; The WIFI module 21 is configured to receive an audio signal through the WIFI; the processing module 22 is configured to process the received audio signal; the first play module 23 For playing the processed audio signal, it should be understood that the first playing module 23 processes the input audio signal to be converted into a format suitable for playing before playing; the first Bluetooth module 24 For transmitting the processed audio signal through Bluetooth, it should be understood that the first Bluetooth module 24 processes the input audio signal to be converted into a format supported by the Bluetooth protocol before being transmitted; the second Bluetooth module 31 For receiving an audio signal through Bluetooth; the second playing module 32 is configured to play the received audio signal, and similarly, the second playing module 32 The input audio signal is processed before being played to be converted into a format suitable for playback. Implement the technical solution, the control center platform only passes WIFI The audio signal to be played is transmitted to one of the stereos (main audio), and the main audio transmits the received audio signal to other audios (from the audio) through Bluetooth, and then the main audio and the slave audio respectively receive the received audio signals. Play it. Since audio signals are transmitted between stereos via Bluetooth, and Bluetooth uses frequency hopping technology, its frequency hopping rate can be as high as 3200 hops / Second, therefore, the main sound and the slave sound have a high enough anti-interference ability, so that each sound can synchronously receive and play the audio signal, so that the effect of surround sound is better. In addition, because Bluetooth provides point-to-point and point-to-multipoint wireless connectivity, all audio is mobile within the effective communication range, so networking is very convenient.
图 2 是本发明无线音响控制系统实施例二的逻辑图，该实施例的无线音响控制系统相比图 1 所示的无线音响控制系统，所不同的仅是，每个音响上设置有 LED 灯组，例如，主音响 20 包括第一 LED 灯组 25 ，从音响 30 包括第二 LED 灯组 33 ，而且，控制中心平台 10 还包括输入模块 12 ，该输入模块 12 用于接收用户输入的照明亮度和 / 或色温调节信号，和 / 或，用户选择的待传输的音频信号。另外，第一 WIFI 模块 11 和第二 WIFI 模块 21 之间还传输有照明亮度和 / 或色温调节信号，处理模块 22 还用于对该照明亮度和 / 或色温调节信号进行处理；第一蓝牙模块 24 和第二蓝牙模块 32 之间还传输有照明亮度和 / 或色温调节信号。同时，第一 LED 灯组 25 、第二 LED 灯组 33 根据所接收的照明亮度和 / 或色温调节信号进行相应的发光，进一步提高用户体验。 2 is a logic diagram of a second embodiment of the wireless audio control system of the present invention, and the wireless audio control system of the embodiment is compared with FIG. The wireless audio control system shown differs only in that each audio is provided with an LED light group. For example, the main sound 20 includes a first LED light group 25, and the slave sound 30 includes a second LED light group. 33. Moreover, the control center platform 10 further includes an input module 12 for receiving illumination brightness and/or color temperature adjustment signals input by the user, and Or, the audio signal to be transmitted selected by the user. In addition, an illumination brightness and/or color temperature adjustment signal is transmitted between the first WIFI module 11 and the second WIFI module 21, and the processing module 22 It is also used to process the illumination brightness and/or color temperature adjustment signal; an illumination brightness and/or color temperature adjustment signal is also transmitted between the first Bluetooth module 24 and the second Bluetooth module 32. At the same time, the first LED The light group 25 and the second LED light group 33 perform corresponding illumination according to the received illumination brightness and/or color temperature adjustment signal, thereby further improving the user experience.
图 3 是本发明无线音响控制系统中第一蓝牙模块实施例一的逻辑图，该第一蓝牙模块 24 包括相连接的天线 241 和链路控制器 242 ，其中，链路控制器 242 具体包括检测单元 2421 、主状态机 2422 ，而且，检测单元 2421 用于在检测到蓝牙信号有效标志时输出链路建立驱动信号；主状态机 2422 用于根据链路建立驱动信号，启动主音响与从音响之间的链路建立，该从音响为主音响在有效通讯范围内搜索到的。另外，主状态机 2422 在无音频信号发送的时间超过预设时间时，进入暂停（ Park ）模式。实施该实施例的技术方案，还有以下优点：由于可根据检测结果驱动主状态机启动链路建立操作，可减少无音频传输需求的情况下主从音响之间的无用链接，有效降低设备的功耗。 3 is a logic diagram of Embodiment 1 of a first Bluetooth module in the wireless audio control system of the present invention, the first Bluetooth module 24 including a connected antenna 241 and link controller 242, wherein the link controller 242 specifically includes a detecting unit 2421, a main state machine 2422, and a detecting unit 2421 For outputting a link establishment drive signal when a Bluetooth signal valid flag is detected; main state machine 2422 It is used to establish a driving signal according to the link, and initiates a link establishment between the main sound and the slave sound, and the slave sound is searched for in the effective communication range of the main sound. In addition, the main state machine 2422 When the time when no audio signal is sent exceeds the preset time, the pause is entered (Park ) mode. The technical solution of the embodiment has the following advantages: since the main state machine can be started to initiate the link establishment operation according to the detection result, the useless link between the master and slave audio can be reduced in the case of no audio transmission requirement, and the device is effectively reduced. Power consumption.
优选地，如图 4 所示，该第一蓝牙模块 24 还包括存储单元 243 ，其中，存储单元 243 存储有预先在有效通讯范围内所搜索到的从音响标识的列表，这样，主状态机 2422 可根据链路建立驱动信号，启动主音响与该列表中的从音响之间的链路建立，从而不必在每次有音频传输需求的情况下都对有效通讯范围内的从音响设备进行搜索。 Preferably, as shown in FIG. 4, the first Bluetooth module 24 further includes a storage unit 243, wherein the storage unit 243 A list of slave acoustic identifiers that have been previously searched for within the valid communication range is stored, such that the primary state machine 2422 The drive signal can be established according to the link to initiate the link establishment between the main sound and the slave audio in the list, so that it is not necessary to search for the slave audio device within the effective communication range every time there is an audio transmission requirement.
图 5 是本发明 无线音响控制方法实施例一的流程图，该无线音响控制方法包括： FIG. 5 is a flowchart of Embodiment 1 of a wireless audio control method according to the present invention, the wireless audio control method includes:
A. 控制中心平台通过 WIFI 将音频信号发送至主音响； A. The control center platform sends the audio signal to the main sound through WIFI;
B. 主音响对所接收的音频信号进行处理，并通过蓝牙将处理后的音频信号发送至至少一个从音响，同时，对处理后的音频信号进行播放； B. The main audio processes the received audio signal, and transmits the processed audio signal to at least one slave audio through Bluetooth, and simultaneously plays the processed audio signal;
C. 从音响对所接收的音频信号进行播放。 C. Play the received audio signal from the audio.
在上述实施例的基础上，每个音响上都设置有 LED 灯组，而且，步骤 A 还包括：控制中心平台通过 WIFI 将所接收的用户输入的照明亮度和 / 或色温调节信号发送至主音响；步骤 B 还包括：主音响对所接收的照明亮度和 / 或色温调节信号进行处理，并通过蓝牙将处理后的照明亮度和 / 或色温调节信号发送至至少一个从音响，同时，主音响上的 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光；步骤 C 还包括：从音响上的 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光。 Based on the above embodiment, each of the speakers is provided with an LED lamp group, and step A further includes: the control center platform passes WIFI sends the received user input illumination brightness and / or color temperature adjustment signal to the main stereo; step B also includes: the main stereo pair received illumination brightness and / Or the color temperature adjustment signal is processed, and the processed illumination brightness and/or color temperature adjustment signal is sent to at least one slave audio through Bluetooth, and at the same time, the LED group on the main stereo is based on the received illumination brightness and / Or the color temperature adjustment signal is correspondingly illuminated; the step C further comprises: correspondingly emitting light from the audio LED group according to the received illumination brightness and/or color temperature adjustment signal.
如图 6 所示，在步骤 B 中， 通过蓝牙将处理后的音频信号发送至至少一个从音响的步骤包括： As shown in FIG. 6, in step B, the step of transmitting the processed audio signal to at least one slave audio via Bluetooth includes:
B1. 检测待传送的数据流中是否出现蓝牙信号有效标志，若是，则执行步骤 B2 ；若否，则不做处理； B1. Check whether the Bluetooth signal valid flag appears in the data stream to be transmitted. If yes, go to step B2. If not, no treatment is done;
B2. 输出链路建立驱动信号； B2. The output link establishes a driving signal;
B3. 根据所述链路建立驱动信号，启动主音响与至少一个从音响之间的链路建立，优选地，可预先对有效通讯范围内的从音响进行搜索，并将搜索到的从音响的标识存储在列表中，然后，在该步骤中，根据所述链路建立驱动信号，启动主音响与所述列表中的从音响之间的链路建立； B3. Establishing a driving signal according to the link, starting a link establishment between the main sound and the at least one slave audio. Preferably, the slave sound in the effective communication range can be searched in advance, and the searched audio identifier is stored. In the list, then, in this step, establishing a driving signal according to the link, and starting a link establishment between the main sound and the slave audio in the list;
B4. 通过所建立的链路发送处理后的音频信号。 B4. The processed audio signal is transmitted through the established link.
优选地，如图 7 所示，在步骤 B 中，通过蓝牙将处理后的音频信号发送至至少一个从音响的步骤除了包括图 6 中所示步骤 B1-B4 之外，在步骤 B4 之后，还包括： Preferably, as shown in FIG. 7, in step B, the step of transmitting the processed audio signal to at least one slave audio via Bluetooth is in addition to the figure In addition to steps B1-B4 shown in 6, after step B4, it also includes:
B5. 判断无音频信号发送的时间是否超过预设时间，若是，则执行步骤 B6 ；若否，则继续等待传送音频信号； B5. Determine whether the time when no audio signal is sent exceeds the preset time. If yes, go to step B6. If not, continue to wait for the audio signal to be transmitted;
B6. 进入暂停模式。 B6. Enter the pause mode.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改、组合和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的权利要求范围之内 。 The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications, combinations and changes may be made to the present invention. Any modifications, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the appended claims. .

Claims (10)

  1. 一种无线音响控制系统，包括控制中心平台及多个音响，其特征在于，所述多个音响包括主音响和至少一个从音响，而且，A wireless sound control system comprising a control center platform and a plurality of sounds, wherein the plurality of sounds comprises a main sound and at least one slave sound, and
    所述控制中心平台包括：The control center platform includes:
    用于通过 WIFI 传送音频信号的第一 WIFI 模块；a first WIFI module for transmitting an audio signal through WIFI;
    所述主音响包括：The main sound includes:
    用于通过 WIFI 接收音频信号的第二 WIFI 模块；a second WIFI module for receiving an audio signal through WIFI;
    用于对所接收的音频信号进行处理的处理模块；a processing module for processing the received audio signal;
    用于通过蓝牙发送处理后的音频信号的第一蓝牙模块；a first Bluetooth module for transmitting the processed audio signal via Bluetooth;
    用于对处理后的音频信号进行播放的第一播放模块；a first play module for playing the processed audio signal;
    所述从音响包括：The slave audio includes:
    用于通过蓝牙接收音频信号的第二蓝牙模块；a second Bluetooth module for receiving an audio signal via Bluetooth;
    用于对所接收的音频信号进行播放的第二播放模块 。a second play module for playing the received audio signal.
  2. 根据权利要求 1 所述的无线音响控制系统，其特征在于，每个音响上设置有 LED 灯组；所述控制中心平台还包括用于接收用户输入的照明亮度和 / 或色温调节信号及用户选择的待传输的音频信号的输入模块； The wireless sound control system according to claim 1, wherein each of the sounds is provided with an LED a control unit platform further comprising an input module for receiving an illumination brightness and/or a color temperature adjustment signal input by the user and an audio signal to be transmitted selected by the user;
    所述第一 WIFI 模块和所述第二 WIFI 模块之间还传输有照明亮度和 / 或色温调节信号；An illumination brightness and/or color temperature adjustment signal is also transmitted between the first WIFI module and the second WIFI module;
    所述处理模块还用于对所述照明亮度和 / 或色温调节信号进行处理；The processing module is further configured to process the illumination brightness and/or color temperature adjustment signal;
    所述第一蓝牙模块和所述第二蓝牙模块之间还传输有照明亮度和 / 或色温调节信号；An illumination brightness and/or color temperature adjustment signal is also transmitted between the first Bluetooth module and the second Bluetooth module;
    所述 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光。 The LED light group performs corresponding illumination according to the received illumination brightness and/or color temperature adjustment signal.
  3. 根据权利要求 1 所述的无线音响控制系统，其特征在于，所述第一蓝牙模块还包括： The wireless audio control system according to claim 1, wherein the first Bluetooth module further comprises:
    存储有预先在有效通讯范围内所搜索到的从音响标识的列表的存储单元。 A storage unit that stores a list of slave acoustic identifiers that have been previously searched for within the effective communication range.
  4. 根据权利要求 3 所述的无线音响控制系统，其特征在于，所述第一蓝牙模块还包括依次连接的天线和链路控制器，所述链路控制器包括：According to claim 3 The wireless audio control system is characterized in that the first Bluetooth module further includes an antenna and a link controller that are sequentially connected, and the link controller includes:
    用于在检测到蓝牙信号有效标志时输出链路建立驱动信号的检测单元；a detecting unit for outputting a link establishment driving signal when a Bluetooth signal valid flag is detected;
    用于根据所述链路建立驱动信号，启动主音响与所述列表中的从音响之间的链路建立的主状态机。 A primary state machine for establishing a drive signal according to the link to initiate a link between the primary sound and the slave in the list.
  5. 根据权利要求3所述的无线音响控制系统，其特征在于，所述主状态机还用于在无音频信号发送的时间超过预设时间时，进入暂停模式 。  The wireless audio control system according to claim 3, wherein the main state machine is further configured to enter a pause mode when a time when no audio signal is transmitted exceeds a preset time. .
  6. 一种无线音响控制方法，其特征在于，包括： A wireless audio control method, comprising:
    A. 控制中心平台通过 WIFI 将音频信号发送至主音响；A. The control center platform sends the audio signal to the main sound through WIFI;
    B. 主音响对所接收的音频信号进行处理，并通过蓝牙将处理后的音频信号发送至至少一个从音响，同时，对处理后的音频信号进行播放；B. The main audio processes the received audio signal, and transmits the processed audio signal to at least one slave audio through Bluetooth, and simultaneously plays the processed audio signal;
    C. 从音响对所接收的音频信号进行播放。C. Play the received audio signal from the audio.
  7. 根据权利要求 6 所述的无线音响控制方法，其特征在于，每个从音响上设置有 LED 灯组，而且，所述步骤 A 还包括： The wireless sound control method according to claim 6, wherein each of the slaves is provided with an LED lamp group, and the step A is Also includes:
    控制中心平台通过 WIFI 将所接收的用户输入的照明亮度和 / 或色温调节信号发送至主音响；The control center platform transmits the received illumination brightness and/or color temperature adjustment signal of the user input to the main sound through WIFI;
    所述步骤 B 还包括：The step B further includes:
    主音响对所接收的照明亮度和 / 或色温调节信号进行处理，并通过蓝牙将处理后的照明亮度和 / 或色温调节信号发送至至少一个从音响，同时，主音响上的 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光；The main stereo processes the received illumination brightness and / or color temperature adjustment signal, and the processed illumination brightness and / via Bluetooth Or the color temperature adjustment signal is sent to the at least one slave audio, and at the same time, the LED group on the main stereo emits corresponding light according to the received illumination brightness and/or color temperature adjustment signal;
    所述步骤 C 还包括：The step C further includes:
    从音响上的 LED 灯组根据所接收的照明亮度和 / 或色温调节信号进行相应的发光 。The corresponding LED light group is illuminated according to the received illumination brightness and/or color temperature adjustment signal.
  8. 根据权利要求 6 所述的无线音响控制方法，其特征在于，在所述步骤 B 中，通过蓝牙将处理后的音频信号发送至至少一个从音响的步骤包括： The wireless sound control method according to claim 6, wherein in said step B The step of transmitting the processed audio signal to at least one slave audio via Bluetooth includes:
    B1. 检测待传送的数据流中是否出现蓝牙信号有效标志，若是，则执行步骤 B2 ；B1. detecting whether a Bluetooth signal valid flag appears in the data stream to be transmitted, and if yes, performing step B2;
    B2. 输出链路建立驱动信号；B2. The output link establishes a driving signal;
    B3. 根据所述链路建立驱动信号，启动主音响与至少一个从音响之间的链路建立；B3. establishing a driving signal according to the link, and starting a link establishment between the main sound and the at least one slave audio;
    B4. 通过所建立的链路发送处理后的音频信号。 B4. The processed audio signal is transmitted through the established link.
  9. 根据权利要求 8 所述的无线音响控制方法，其特征在于，所述步骤 B3 为：The wireless audio control method according to claim 8, wherein the step B3 is:
    根据所述链路建立驱动信号，启动主音响与列表中的从音响之间的链路建立，所述列表为有效通讯范围内预先搜索到的从音响标识的列表。Establishing a drive signal based on the link initiates link establishment between the primary sound and the slave audio in the list, the list being a list of pre-searched slave audio identifiers within the effective communication range.
  10. 根据权利要求 8 所述的无线音响控制方法，其特征在于，所述步骤 B4 之后，还包括：The wireless audio control method according to claim 8, wherein after the step B4, the method further comprises:
    在无音频信号发送的时间超过预设时间时，进入暂停模式。When the time when no audio signal is sent exceeds the preset time, the pause mode is entered.
PCT/CN2014/072181 2014-02-12 2014-02-18 Wireless speaker control system and method WO2015120633A1 (en)

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