WO2018095022A1 - 一种麦克风系统 - Google Patents

一种麦克风系统 Download PDF

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Publication number
WO2018095022A1
WO2018095022A1 PCT/CN2017/089138 CN2017089138W WO2018095022A1 WO 2018095022 A1 WO2018095022 A1 WO 2018095022A1 CN 2017089138 W CN2017089138 W CN 2017089138W WO 2018095022 A1 WO2018095022 A1 WO 2018095022A1
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module
microphone
output
sound
audio
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PCT/CN2017/089138
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English (en)
French (fr)
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赵凯潜
赵银山
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深圳市好兄弟电子有限公司
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Publication of WO2018095022A1 publication Critical patent/WO2018095022A1/zh

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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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics

Definitions

  • the invention relates to a sound system of K song, in particular to a microphone system.
  • the traditional KTV singing mode has gradually evolved into various mobile terminals, such as mobile phones, tablet PCs, etc., and its powerful APP has been able to fully realize the traditional KTV singing mode.
  • the frequency response range, tone, sound effect and the like cannot achieve the singing effect of the traditional KTV microphone.
  • most of the microphones commonly used in the market and the mobile terminal are wired. Connections, some of which can be wirelessly connected via FM, but the limitations of FM receivers make it narrow in application, and wireless transmission can only be achieved in places with FM receivers such as automobiles, which is extremely limited. K song microphone usage environment.
  • the technical problem to be solved by the present invention is to provide a microphone system with a wide range of applications.
  • the technical solution adopted by the present invention is a microphone system including a sound source device, a microphone, an FM receiving device, and a sound emitting device.
  • the microphone includes a CPU, a sound pickup module, an audio input module, a sound processing module, and audio.
  • the output module and the FM transmitting module, the output end of the sound collecting module and the output end of the audio input module are respectively connected to the input end of the sound processing module; the output end of the sound processing module is respectively connected to the input end of the FM transmitting module and the input end of the audio output module
  • the control end of the sound processing module and the control end of the FM transmitting module are respectively connected to the output end of the CPU; the output end of the sound source device is connected to the input end of the audio input module of the microphone, and the FM transmitting module is wirelessly connected with the FM receiving device, and the FM receiving device The output is connected to the input of the playback device.
  • the FM receiving device comprises an MCU, an FM receiving module, a volume module and an audio output module; an output end of the FM receiving module is connected to an input end of the volume module, and an output end of the volume module is connected to an input end of the audio output module;
  • the control end of the FM receiving module, the control end of the volume module and the control end of the audio output module are respectively connected to the output end of the MCU;
  • the FM receiving module is wirelessly connected with the FM transmitting module of the microphone, and the output end of the audio output module of the FM receiving device is connected to the sound.
  • the input end of the sound source device is connected to the output end of the microphone sound processing module.
  • the microphone includes a display screen and a keyboard, and the output end of the keyboard and the input end of the display screen are respectively connected to the CPU.
  • the microphone system described above includes a second playback device, and the input end of the second playback device is connected to the output of the microphone audio output module.
  • the sound processing module is controlled by the CPU to adjust parameters of reverberation, delay and/or high and low sound intensity
  • the FM transmitting module is controlled by the CPU to adjust parameters of FM transmitting frequency and/or transmitting power; Controlled by the CPU, the above parameters are displayed in real time.
  • the FM receiving module receives the FM signal sent by the microphone, and demodulates the signal to the audio signal according to the frequency and sensitivity controlled by the MCU.
  • the audio signal is then passed to the volume module; the volume module passes the MCU control volume to deliver the audio signal to the audio output module.
  • the microphone system of the invention solves the limitation of the FM receiving device in the wireless sound transmission while satisfying the user's demand in the K song, and avoids the problem that the normal FM signal is generated due to the difference of the partial FM receiving environment signal, and the application range is wide. .
  • FIG. 1 is a schematic block diagram of a microphone system in accordance with an embodiment of the present invention.
  • FIG. 2 is a schematic block diagram of a microphone circuit in accordance with an embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of an FM receiving apparatus according to an embodiment of the present invention.
  • the structure and principle of the microphone system of the embodiment of the present invention are as shown in FIG. 1 to FIG. 3, and include a sound source device, a microphone, an FM receiving device, a sound emitting device, and a second sound emitting device.
  • the microphone includes a CPU, a display screen, a keyboard, a sound pickup module, an audio input module, a sound processing module, an audio output module, and an FM transmitting module, and the output end of the keyboard and the input end of the display screen are respectively connected to the CPU.
  • the output end of the sound collection module and the output end of the audio input module are respectively connected to the input end of the sound processing module; the output end of the sound effect processing module is respectively connected to the input end of the FM transmitting module and the input end of the audio output module, and the control end of the sound processing module
  • the control terminal of the FM transmitter module is connected to the output of the CPU.
  • the output of the source device is connected to the input of the microphone's audio input module.
  • the FM transmitting module of the microphone is wirelessly connected to the FM receiving device, and the output end of the FM receiving device is connected to the input end of the sound emitting device; the input end of the sound source device is connected to the output end of the microphone sound processing module.
  • the input end of the second playback device is connected to the output of the microphone audio output module.
  • the FM receiving device includes an MCU, an FM receiving module, a volume module, and an audio output module; an output end of the FM receiving module is connected to an input end of the volume module, and an output end of the volume module is connected to an input end of the audio output module; FM The control end of the receiving module, the control end of the volume module and the control end of the audio output module are respectively connected to the output end of the MCU; the FM receiving module is wirelessly connected with the FM transmitting module of the microphone, and the output end of the audio output module is connected to the input end of the playing device. .
  • the sound source device transmits the background music of the K song to the sound effect processing module of the microphone, and the sound pickup module transmits the sound signal of the singer to the sound effect processing module.
  • Sound processing module will background music
  • the vocal signals are processed uniformly, they are respectively transmitted to the sound source device, the sound reproducing device, and the FM transmitting module.
  • the signal that the sound processing module of the microphone transmits to the sound source device is to realize the recording function of the sound source device. If the source device does not have a recording function, there is no need to pass it.
  • the signal transmitted by the sound processing module of the microphone to the sound emitting device is for real-time singing, that is, the user can sing while listening to his own singing effect through other sound-emitting equipment such as headphones.
  • the signal transmitted by the sound processing module to the FM transmitting module is for transmitting wireless sound, and the real-time singing effect is sent to the FM receiving device.
  • the FM receiving device may be the FM receiving box shown in FIG. 3 or other FM receiving device. .
  • the FM receiving device in the present invention retrieves and receives the audio signal transmitted from the FM transmitting module, and then transmits the audio signal to the playback device (such as a speaker, a television, etc.).
  • the playback device such as a speaker, a television, etc.
  • the keyboard module of the microphone transmits the operation mode of the user to the CPU, and the CPU controls the sound effect processing module, the FM transmitting module, and the display screen according to the input of the keyboard module.
  • the sound processing module is controlled by the CPU and can adjust parameters such as reverb, delay, and high and low sound strength.
  • the FM transmitter module is controlled by the CPU and can adjust parameters such as FM transmit frequency and transmit power.
  • the display module is controlled by the CPU, which can display the change amount of each parameter in real time, as well as various status information of the microphone.
  • the audio signal is transmitted to the sound processing module via the audio input module, and the vocal signal is transmitted to the sound processing module via the sound pickup module.
  • the sound processing module is controlled by the CPU to adjust various parameters, the audio signal and the human voice signal are uniformly processed according to the parameters.
  • the processed sound is then passed to the audio output module and the FM transmitter module, respectively.
  • the audio output module transmits the signal transmitted by the sound processing module to other playback devices through its interface.
  • the FM transmitting module controls the frequency and the transmitting power by the CPU, the signal transmitted by the sound processing module is sent out.
  • the MCU of the FM receiver box controls the FM. Receive parameters such as frequency and sensitivity of the module.
  • the MCU controls the volume parameters of the volume module.
  • the MCU controls whether the audio output module outputs and selects an output interface and other parameters.
  • the FM receiver module controls its frequency and sensitivity parameters, it receives the FM signal sent by the microphone and demodulates the signal to the audio signal. The audio signal is then passed to the volume module. After the volume module controls the volume parameter through the MCU, the audio signal is transmitted to the audio output module. After the audio output module controls whether the output and output interfaces are controlled by the MCU, the signal is transmitted.
  • the microphone system of the above embodiment of the present invention adds an FM receiving device to the conventional K song microphone system.
  • the FM receiving device not only has the function of automatically searching for the frequency of the FM transmitting module in the K song microphone, but also has the audio output capability. It solves the problem that the traditional karaoke microphone can only sing in the environment with FM reception, and avoids the problem that the karaoke cannot be normally caused due to the signal difference of some FM receiving devices.
  • the multi-functional sound processing module and the independently adjustable sound parameters allow users to customize their own K-style.

Abstract

本发明公开了一种麦克风系统，包括音源设备、麦克风、FM接收装置和放音设备，麦克风包括CPU、拾音模块、音频输入模块、音效处理模块、音频输出模块和FM发射模块，拾音模块的输出端和音频输入模块的输出端分别接音效处理模块的输入端；音效处理模块的输出端分别接FM发射模块的输入端和音频输出模块的输入端，音效处理模块的控制端和FM发射模块的控制端分别接CPU的输出端；音源设备的输出端接麦克风的音频输入模块的输入端，FM发射模块与FM接收装置无线连接，FM接收装置的输出端接放音设备的输入端。本发明满足用户在K歌的需求的同时，解决了无线传声中FM接收设备的限制，避免了因为部分FM接收环境信号差而产生的无法正常K歌的问题，应用范围广。

Description

一种麦克风系统
[技术领域]
本发明涉及K歌的音响系统，尤其涉及一种麦克风系统。
[背景技术]
随着智能移动终端产品的发展，传统的KTV演唱模式也逐渐演化到了各个移动终端，如手机、平板电脑等产品，其强大的APP已经能够完全实现传统KTV的演唱模式。但是由于移动终端的拾音设备因为小型化的限制，使得其频响范围，音色，音效等方面都无法达到传统KTV麦克风的演唱效果，同时市面上常见的和移动终端配合的麦克风多数都是有线连接，部分可以通过FM实现无线连接的设备，但是FM接收设备的限制使得其应用范围很窄，只能在汽车这类具备FM接收设备的场合才能实现无线传声，这就极大的限制的K歌麦克风的使用环境。
[发明内容]
本发明要解决的技术问题是提供一种应用范围广的麦克风系统。
为了解决上述技术问题，本发明采用的技术方案是，一种麦克风系统，包括音源设备、麦克风、FM接收装置和放音设备，麦克风包括CPU、拾音模块、音频输入模块、音效处理模块、音频输出模块和FM发射模块，拾音模块的输出端和音频输入模块的输出端分别接音效处理模块的输入端；音效处理模块的输出端分别接FM发射模块的输入端和音频输出模块的输入端，音效处理模块的控制端和FM发射模块的控制端分别接CPU的输出端；音源设备的输出端接麦克风的音频输入模块的输入端，FM发射模块与FM接收装置无线连接，FM接收装置的输出端接放音设备的输入端。
以上所述的麦克风系统，FM接收装置包括MCU、FM接收模块、音量模块和音频输出模块；FM接收模块的输出端接音量模块的输入端，音量模块的输出端接音频输出模块的输入端；FM接收模块的控制端、音量模块的控制端和音频输出模块的控制端分别接MCU的输出端；FM接收模块与麦克风的FM发射模块无线连接，FM接收装置音频输出模块的输出端接放音设备的输入端。
以上所述的麦克风系统，音源设备的输入端接麦克风音效处理模块的输出端。
以上所述的麦克风系统，麦克风包括显示屏和键盘，键盘的输出端和显示屏的输入端分别接CPU。
以上所述的麦克风系统，包括第二放音设备，第二放音设备的输入端接麦克风音频输出模块的输出端。
以上所述的麦克风系统，音效处理模块由CPU控制，调节混响、延时和/或高低音强度的参数，FM发射模块由CPU控制，调节FM发射频率和/或发射功率的参数；显示屏由CPU控制，实时显示上述各项参数。
以上所述的麦克风系统， FM接收模块接收到麦克风发送过来的FM信号，按MCU控制的频率及灵敏度将信号解调出音频信号。然后将音频信号传递给音量模块；音量模块按MCU控制音量将音频信号传递给音频输出模块。
本发明的麦克风系统在满足用户在K歌的需求的同时，解决了无线传声中FM接收设备的限制，避免了因为部分FM接收环境信号差而产生的无法正常K歌的问题，应用范围广。
[附图说明]
下面结合附图和具体实施方式对本发明作进一步详细的说明。
图1是本发明实施例麦克风系统的原理框图。
图2是本发明实施例麦克风电路的原理框图。
图3是本发明实施例FM接收装置的原理框图。
[具体实施方式]
本发明实施例麦克风系统的结构和原理如图1至图3所示，包括音源设备、麦克风、FM接收装置、放音设备和第二放音设备。
如图2所示，麦克风包括CPU、显示屏、键盘、拾音模块、音频输入模块、音效处理模块、音频输出模块和FM发射模块，键盘的输出端和显示屏的输入端分别接CPU。拾音模块的输出端和音频输入模块的输出端分别接音效处理模块的输入端；音效处理模块的输出端分别接FM发射模块的输入端和音频输出模块的输入端，音效处理模块的控制端和FM发射模块的控制端分别接CPU的输出端。
音源设备的输出端接麦克风的音频输入模块的输入端。麦克风的FM发射模块与FM接收装置无线连接，FM接收装置的输出端接放音设备的输入端；音源设备的输入端接麦克风音效处理模块的输出端。第二放音设备的输入端接麦克风音频输出模块的输出端。
如图3所示，FM接收装置包括MCU、FM接收模块、音量模块和音频输出模块；FM接收模块的输出端接音量模块的输入端，音量模块的输出端接音频输出模块的输入端；FM接收模块的控制端、音量模块的控制端和音频输出模块的控制端分别接MCU的输出端；FM接收模块与麦克风的FM发射模块无线连接，音频输出模块的输出端接放音设备的输入端。
如图1所示，音源设备将K歌的背景音乐传递给麦克风的音效处理模块，拾音模块将演唱人的声信号传递给音效处理模块。音效处理模块将背景音乐及
人声信号统一处理后，分别传递给音源设备、放音设备，以及FM发射模块。
麦克风的音效处理模块传递给音源设备的信号，是为了实现音源设备的录音功能。若音源设备不具备录音功能，则无需传递。
麦克风的音效处理模块传递给放音设备的信号，是为了实现实时演唱，即用户可以通过耳机等其它放音设备一边唱一边听自己的演唱效果。
音效处理模块传递给FM发射模块的信号，是为了实现无线传声，将实时演唱效果发送给FM接收装置，FM接收装置可以是本图3所示的FM接收盒，也可以是其它FM接收设备。
本发明中的FM接收装置检索并接收到FM发射模块传递过来的音频信号后，再将音频信号传递给放音设备（如音箱，电视机等）。
如图2所示，麦克风的键盘模块将用户的操作方式传递给CPU，CPU根据键盘模块的输入，分别控制音效处理模块、FM发射模块，以及显示屏。
音效处理模块由CPU控制，可以调节混响、延时、高低音强度等参数。
FM发射模块由CPU控制，可以调节FM发射频率，发射功率等参数。
显示屏模块由CPU控制，可以实时显示各项参数的变化量，以及麦克风的各种状态信息。
音频信号经由音频输入模块后传递给音效处理模块，人声信号经由拾音模块后传递给音效处理模块。音效处理模块由CPU控制调整各项参数后，依据参数对音频信号和人声信号统一处理。然后将处理后的声音分别传递给音频输出模块和FM发射模块。利用麦克风的音效处理模块，用户除去可以选择预设的多种演唱模式以外，还可以独立调节不同的音效参数，如混响，延时，高低音强度等等。
音频输出模块将音效处理模块传递过来的信号，通过其接口传递给其它放音设备。
FM发射模块由CPU控制频率及发射功率后，将音效处理模块传递过来的信号，发送出去。
如图3所示，FM接收盒的MCU控制FM 接收模块的频率及灵敏度等参数。MCU控制音量模块的音量参数。MCU控制音频输出模块是否输出以及选择输出接口等参数。
FM接收模块由MCU控制其频率及灵敏度参数后，接收到麦克风发送过来的FM信号，并将信号解调出音频信号。然后将音频信号传递给音量模块。音量模块经MCU控制音量参数后，将音频信号传递给音频输出模块。音频输出模块经MCU控制是否输出及输出接口后，将信号传递出去。
本发明以上实施例的麦克风系统在传统K歌麦克风系统的基础上增加了FM接收装置，FM接收装置不仅具备自动搜索K歌麦克风中FM发射模块的频率的功能，同时还具备了音频输出能力。解决了传统K歌麦克风只能在具备FM接收的环境才能演唱的问题，避免了因为部分FM接收设备信号差而产生的无法正常K歌的问题。同时，多功能的音效处理模块，以及可独立调节的音效参数，使得用户可以订制自己的K歌风格。

Claims (7)

  1. 一种麦克风系统，其特征在于，包括音源设备、麦克风、FM接收装置和放音设备，麦克风包括CPU、拾音模块、音频输入模块、音效处理模块、音频输出模块和FM发射模块，拾音模块的输出端和音频输入模块的输出端分别接音效处理模块的输入端；音效处理模块的输出端分别接FM发射模块的输入端和音频输出模块的输入端，音效处理模块的控制端和FM发射模块的控制端分别接CPU的输出端；音源设备的输出端接麦克风的音频输入模块的输入端，FM发射模块与FM接收装置无线连接，FM接收装置的输出端接放音设备的输入端。
  2. 根据权利要求1所述的麦克风系统，其特征在于，FM接收装置包括MCU、FM接收模块、音量模块和音频输出模块；FM接收模块的输出端接音量模块的输入端，音量模块的输出端接音频输出模块的输入端；FM接收模块的控制端、音量模块的控制端和音频输出模块的控制端分别接MCU的输出端；FM接收模块与麦克风的FM发射模块无线连接，FM接收装置音频输出模块的输出端接放音设备的输入端。
  3. 根据权利要求1所述的麦克风系统，其特征在于，音源设备的输入端接麦克风音效处理模块的输出端。
  4. 根据权利要求1所述的麦克风系统，其特征在于，麦克风包括显示屏和键盘，键盘的输出端和显示屏的输入端分别接CPU。
  5. 根据权利要求1所述的麦克风系统，其特征在于，包括第二放音设备，第二放音设备的输入端接麦克风音频输出模块的输出端。
  6. 根据权利要求1所述的麦克风系统，其特征在于，音效处理模块由CPU控制，调节混响、延时和/或高低音强度的参数，FM发射模块由CPU控制，调节FM发射频率和/或发射功率的参数；显示屏由CPU控制，实时显示上述各项参数。
  7. 根据权利要求2所述的麦克风系统，其特征在于，FM接收模块接收到麦克风发送过来的FM信号，按MCU控制的频率及灵敏度将信号解调出音频信号；然后将音频信号传递给音量模块；音量模块按MCU控制音量将音频信号传递给音频输出模块。
PCT/CN2017/089138 2016-11-24 2017-06-20 一种麦克风系统 WO2018095022A1 (zh)

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CN106454570A (zh) * 2016-11-24 2017-02-22 深圳市好兄弟电子有限公司 一种麦克风系统
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CN102254548A (zh) * 2010-05-17 2011-11-23 上海海纳通讯有限公司 用于移动终端的卡拉ok系统
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