Storage structure of wireless sound card

Abstract

The application relates to the technical field of storage, and discloses a storage structure of a wireless sound card, which comprises an input end USB interface, an EMMC card reading controller IC, a wireless sound card module, a USB HUB controller IC and a storage unit EMMC. The storage structure of the wireless sound card can quickly realize the storage function of the wireless sound card and does not occupy the operation resources of an MCU or an SOC or a DSP or the like, the storage function of the wireless sound card device can be used for storing audio and video files and data files in the sound card, the input end USB interface connected intelligent device can be used for quickly reading and writing the audio and video files and the like, the wireless sound card technical scheme with the storage function has a multiple protection mechanism, the circuit is simple to apply, is strong in portability and expansibility, the storage capacity of the storage function can be changed into the storage element EMMC with different capacities on the premise of not changing the hardware circuit design scheme, and the research and development and production costs are reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of storage, and particularly relates to a storage structure of a wireless sound card. BACKGROUND

[0002] Data storage is a temporary file generated in a processing process or information needed to be found in the processing process, data is recorded in a computer internally or externally on a storage medium, an external device is referred to as "external equipment", which is a hardware device connected to a computer host, and plays a role of transmission, transfer and storage of data and information.

[0003] The function of storage on a traditional USB external device such as a PC / TV / vehicle-mounted USB external device is to connect a storage unit to a main control MCU or SOC or DSP, and reading and writing of the storage function will occupy running resources of the main control MCU or SOC or DSP, which is easy to cause problems such as insufficient operation resources of the MCU or SOC or DSP and data lag, and the traditional wireless sound card device does not have the functions of storage and reading and writing of audio and video files. SUMMARY

[0004] The application aims to provide a storage structure applied to a wireless sound card USB external device and not occupying operation resources of a main control MCU.

[0005] The application provides a storage structure of a wireless sound card, which comprises an input end USB interface, an EMMC card reading controller IC, a wireless sound card module, a USBHUB controller IC and a storage unit EMMC, wherein the USBHUB controller IC expands two or more USB interfaces from the input end USB interface; the EMMC card reading controller IC is responsible for processing reading and writing functions of the storage unit EMMC, that is, realizing the storage function; the wireless sound card module is responsible for processing audio data from a UHF microphone or a Bluetooth device sent to the wireless sound card through UHF or Bluetooth wireless technology, that is, realizing the function of the wireless sound card, and the processed wireless audio data and audio and video storage data read and written by the EMMC card reading controller IC are transmitted and interacted with a smart device connected with the input end USB interface through the USBHUB controller IC; the storage unit EMMC is provided with an MMC interface, a flash memory device and a main controller, and the interface speed is up to 400 MBytes.

[0006] Further, the USBHUB controller IC supports USB2.0 or USB3.0 and above USB protocols.

[0007] Further, the expanded USB interfaces all support USB2.0 or USB3.0 and above USB protocols.

[0008] Further, the wireless sound card module is connected with one of the USB interfaces extended by the USB HUB controller IC.

[0009] Further, the EMMC card reading controller IC is connected with another USB interface extended by the USB HUB controller IC.

[0010] Further, the intelligent device connected with the input USB interface includes but is not limited to PC, TV, mobile terminal, projection and automobile.

[0011] Further, the USB interface of each high version protocol is downward compatible.

[0012] Further, the storage structure further includes a power protection circuit and a signal protection circuit.

[0013] Further, the power protection circuit includes but is not limited to surge protection / OVP / OCP, and the signal protection circuit includes but is not limited to electrostatic protection circuit.

[0014] Further, the component form of the wireless sound card module includes but is not limited to DSP processor+U segment receiving module UHF type wireless sound card, DSP processor+Bluetooth module Bluetooth type wireless sound card, DSP processor with Bluetooth function+U segment receiving module Bluetooth, UHF dual-mode wireless sound card and DSP processor+U segment receiving module+Bluetooth module Bluetooth, UHF dual-mode wireless sound card.

[0015] Compared with the prior art, the wireless sound card provided by the application has the following beneficial effects:

[0016] The storage structure of the wireless sound card provided by the application can quickly realize the storage function of the wireless sound card and does not occupy the operation resource of the main control such as MCU or SOC or DSP, and the storage function of the wireless sound card device can be used to store audio and video files and data files in the sound card, so that the intelligent device connected with the input USB interface can be conveniently and quickly read and written to the audio and video files and other data, the wireless sound card technology scheme with the storage function has multiple protection mechanisms, the circuit is simple to apply and has strong portability and expansion, the storage capacity of the storage function can be attached to the storage element EMMC with different capacities without changing the hardware circuit design scheme, and the research and development and production cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the application and constitute a part of the specification, which together with the embodiments of the application serve to explain the application, and do not constitute a limitation on the application. In the drawings:

[0018] Figure 1 It is a structural schematic diagram of the application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] The storage structure of the wireless sound card provided in the specific embodiment is shown in the following figure: Figure 1 As shown, the storage structure includes an input end USB interface, an EMMC card reading controller IC, a wireless sound card module, a USB HUB controller IC, a storage unit EMMC, a power protection circuit and a signal protection circuit, wherein:

[0022] The USB HUB controller IC expands two or more USB interfaces from the input end USB interface. The USB HUB controller IC supports USB2.0 or USB3.0 and above USB protocols, and the expanded USB interfaces also support USB2.0 or USB3.0 and above USB protocols;

[0023] The EMMC card reading controller IC is responsible for processing the read and write functions of the storage unit EMMC, i.e., the implementation of the storage function;

[0024] The wireless sound card module connects one of the USB interfaces extended by the USB HUB controller IC, which is responsible for processing the audio data from the UHF microphone or Bluetooth device sent to the wireless sound card through UHF or Bluetooth wireless technology by the DSP processor, that is, the implementation of the wireless sound card function; the EMMC card reader controller IC connects another USB interface extended by the USB HUB controller IC; the wireless audio data processed by the wireless sound card and the audio and video storage data read and written by the EMMC card reader controller IC are transmitted and interacted through the smart device connected to the input USB interface of the USB HUB controller IC; DSP is a digital signal processor, digital signal processing is a theory and technology for representing and processing signals in a digital manner, digital signal processing and analog signal processing are subsets of signal processing, the purpose of digital signal processing is to measure or filter continuous analog signals in the real world, so the signal needs to be converted from the analog domain to the digital domain before digital signal processing, which is usually realized through an analog-to-digital converter, and the output of digital signal processing is often also converted to the analog domain, which is realized through a digital-to-analog converter, the DSP processor is a prior art, which will not be described here;

[0025] The storage unit EMMC has an MMC interface, a flash memory device and a main controller, the interface speed is up to 400MBytes, and it has the advantages of small size, low power consumption and large capacity;

[0026] The power protection circuit includes but is not limited to surge protection / OVP / OCP;

[0027] The signal protection circuit includes but is not limited to electrostatic protection circuit.

[0028] In addition to the above:

[0029] One, the smart device connected to the input USB interface includes but is not limited to PC, TV, mobile terminal, projection and car.

[0030] Two, each high version protocol USB interface here is downward compatible.

[0031] Three, the composition form of the wireless sound card module includes but is not limited to the UHF wireless sound card of DSP processor+U section receiving module, the Bluetooth wireless sound card of DSP processor+Bluetooth module, the Bluetooth, UHF dual-mode wireless sound card of DSP processor+U section receiving module with Bluetooth function and the Bluetooth, UHF dual-mode wireless sound card of DSP processor+U section receiving module+Bluetooth module.

[0032] In conclusion, the storage structure of the wireless sound card can quickly realize the storage function of the wireless sound card and does not occupy the operation resource of the main control such as the MCU or the SOC or the DSP, the storage function of the wireless sound card device can be used for storing the audio and video files and the data files in the sound card, the smart device connected with the input end USB interface can quickly read and write the data such as the audio and video files, the wireless sound card with the storage function has multiple protection mechanisms, the circuit is simple to apply, has strong portability and expansion, the storage capacity of the storage function can be the EMMC with different capacities on the premise of not changing the hardware circuit design scheme, and the research and development and production cost are reduced.

[0033] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply these entities or operations have any such actual relationship or order. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article, or device.

[0034] In the idle state of the device, all electrical devices are matched with their drivers, and all drivers, which refer to power elements, electrical devices, and adapted power sources, are connected by wires by those skilled in the art. The specific connection means should refer to the following description, and the electrical devices are connected in sequence to complete the electrical connection. The detailed connection means is a well-known technology in the art.

[0035] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A storage structure of a wireless sound card, characterized in that, The storage structure comprises an input USB interface, an EMMC card reader controller IC, a wireless sound card module, a USB HUB controller IC and a storage unit EMMC, wherein: The USB HUB controller IC expands two or more USB interfaces from the input USB interface; The EMMC card reader controller IC is responsible for processing the read and write functions of the storage unit EMMC, i.e. the implementation of the storage function; The wireless sound card module is responsible for processing the audio data from the UHF microphone or Bluetooth device sent to the wireless sound card through UHF or Bluetooth wireless technology, i.e. the implementation of the wireless sound card function, and the wireless audio data processed by the wireless sound card module and the audio and video storage data read and written by the EMMC card reader controller IC are transmitted and interacted with the smart device connected to the input USB interface through the USB HUB controller IC. The storage unit EMMC is provided with an MMC interface, a flash memory device and a main controller, and the interface speed is up to 400 MBytes.

2. The storage structure of a wireless sound card according to claim 1, wherein: The USB HUB controller IC supports USB2.0 or USB3.0 and above USB protocols.

3. The memory structure of a wireless sound card according to claim 1, wherein: The expanded USB interfaces all support USB2.0 or USB3.0 and above USB protocols.

4. The memory structure of a wireless sound card according to claim 1, wherein: The wireless sound card module is connected to one of the USB interfaces expanded by the USB HUB controller IC.

5. The memory structure of a wireless sound card according to claim 1, wherein: The EMMC card reader controller IC is connected to another USB interface expanded by the USB HUB controller IC.

6. The memory structure of a wireless sound card according to claim 1, wherein: The smart device connected to the input USB interface includes but is not limited to PC, TV, mobile terminal, projection and car.

7. The memory structure of a wireless sound card according to any one of claims 1-6, wherein: Each USB interface of the high version protocol can be downward compatible.

8. The memory structure of a wireless sound card according to claim 1, wherein: The storage structure further comprises a power protection circuit and a signal protection circuit.

9. The memory structure of a wireless sound card according to claim 8, wherein: The power protection circuit includes but is not limited to surge protection / OVP / OCP, and the signal protection circuit includes but is not limited to electrostatic protection circuit.

10. The memory structure of a wireless sound card according to claim 1, wherein: The composition form of the wireless sound card module includes but is not limited to the UHF wireless sound card of DSP processor+U section receiving module, the Bluetooth wireless sound card of DSP processor+Bluetooth module, the Bluetooth of DSP processor+U section receiving module with Bluetooth function, Bluetooth, UHF dual-mode wireless sound card and the Bluetooth, UHF dual-mode wireless sound card of DSP processor+U section receiving module+Bluetooth module.

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