CN215068231U

CN215068231U - Improved mobile phone audio/video expansion card

Info

Publication number: CN215068231U
Application number: CN202121326467.7U
Authority: CN
Inventors: 黎吾齐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-07
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses an improved generation cell-phone audio frequency and video expansion card, including TV cell-phone digit singing machine, one side of TV cell-phone digit singing machine is provided with movable support, and the top of TV cell-phone digit singing machine is provided with a plurality of DSP audios and controls the button, and one side of TV cell-phone digit singing machine is provided with cell-phone USB connection port, HDMI output port, USB mouse interface, USB keyboard interface and power port. The utility model has the advantages that the utility model is transmitted with the mobile phone in a pure digital way, high-fidelity digital audio is matched with the video shooting of the mobile phone camera, and the synchronous projection output or storage is realized, so that the innovation in the application layer is realized, the expansion of the application end of the mobile phone and the computer is solved, the mobile phone application is taken as the main body, the service and the living application are realized, and the requirements of people on the mobile phone audio expander are met; in addition, the structure has the advantages of economic and reasonable cost and strong practicability, and is suggested to be popularized and used.

Description

Improved mobile phone audio/video expansion card

Technical Field

The utility model relates to an extension appearance field specifically indicates an improved generation cell-phone audio frequency and video expansion card.

Background

At present, a lot of devices for converting the audio and video of a mobile phone or a computer to the video interface such as HDMI/DVI/VGA/DP are available on the market, and are used for outputting the audio and video of the mobile phone or the computer to the terminal devices such as a television, a display and the like through the devices, but the devices do not provide various audio input interfaces such as a microphone interface for receiving a microphone, a musical instrument interface for receiving a musical instrument, an accompaniment interface for receiving an accompaniment, an output interface such as an earphone interface, an audio output interface and a headset interface, and further cannot perform sound effect processing on the input audio and output the processed audio to the television, the display and the projector of the mobile phone/television and the video interface of the USB interface respectively. This causes limitations in application.

Therefore, an improved mobile phone audio and video expansion card becomes a problem to be solved urgently in the whole society.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an improved generation cell-phone audio frequency and video expansion card, includes TV cell-phone digital singing machine, one side of TV cell-phone digital singing machine is provided with movable support, the top of TV cell-phone digital singing machine is provided with a plurality of DSP audio and controls the button, one side of TV cell-phone digital singing machine is provided with cell-phone USB connection port, HDMI output port, USB mouse interface, USB keyboard interface and power port, the opposite side of TV cell-phone digital singing machine is provided with microphone connection port, musical instrument input connection port, headset connection port, AUX connection port, earphone connection port and stereo set connection port.

Further, the movable bracket may be rotated by 90 °.

Further, TV cell-phone digital singing machine's inside is provided with audio mixing module, audio and video coding processing module and is used for decoding into USB downlink video data and audio data promptly, audio DSP and composite module, the last connection of composite module is provided with USB HUB, USB HUB is used for with external USB interface connection, carry out information transmission through video signal, audio signal between composite module and the audio and video coding processing module, it has ADC, earphone and stereo set to connect gradually on the audio mixing module, the last connection of audio DSP is provided with the ADC, the outside connection of ADC is provided with the microphone.

Further, the combined module is a USB audio or video coding or encoding module.

Furthermore, an external port is connected and arranged on the audio and video coding processing module, the external port is an HDMI or DVI or VGA or DP interface, and the external port is used for being electrically connected with a television and a display screen.

Furthermore, connect on the audio mixing module and be provided with audio playback module, audio playback module is used for with external TF card, SD card electric connection, audio mixing module is direct with external accompaniment electric connection.

Furthermore, the USB HUB is electrically connected with an external mouse and a keyboard and can also be used for an external USB flash disk.

Furthermore, the DSP sound effect control button is provided with five groups.

Further, the microphone connecting ports are provided with two groups.

Furthermore, a main volume knob is arranged on the front side of the television mobile phone digital singing machine.

Furthermore, the core of the invention is that on the basis of the prior art, various audio interface connection capabilities are added, such as microphone connection, earphone connection, sound connection, instrument connection and the like, the types and the number of various audio devices are not limited, sound effect processing can be carried out on the input audio, the audio is returned to a mobile phone or a computer through a USB interface, and the audio is output to a terminal display device through interfaces such as HDMI and the like; USB expansion interfaces are added, and the expansion interfaces can be connected with a mouse and a keyboard, even a USB flash disk.

Compared with the prior art, the utility model advantage lies in: the utility model relates to an improved generation cell-phone audio frequency and video expansion card adopts above-mentioned structure, supports to record cell-phone storage audio frequency and video, the aforesaid is only the storage audio frequency, and need not store necessarily, can also be used to sing on APP such as singing the bar; the utility model has the advantages that the utility model is transmitted with the mobile phone in a pure digital way, high-fidelity digital audio is matched with the video shooting of the mobile phone camera, and the synchronous projection output or storage is realized, so that the innovation in the application layer is realized, the expansion of the application end of the mobile phone and the computer is solved, the mobile phone application is taken as the main body, the service and the living application are realized, and the requirements of people on the mobile phone audio expander are met; in addition, the structure has the advantages of economic and reasonable cost and strong practicability, and is suggested to be popularized and used.

Drawings

Fig. 1 is a perspective view of an improved mobile phone audio/video expansion card of the present invention;

fig. 2 is a front view of the improved mobile phone audio/video expansion card of the present invention;

fig. 3 is a rear view of the improved mobile phone audio/video expansion card of the present invention;

fig. 4 is a right side view of the improved mobile phone audio/video expansion card of the present invention;

fig. 5 is a top view of the improved mobile phone audio/video expansion card of the present invention;

fig. 6 is a combined module diagram of the improved mobile phone audio/video expansion card of the present invention;

fig. 7 is an expanded application structure diagram of the volume increasing button and the display panel of the present invention.

As shown in the figure: 1. TV cell-phone digit singing machine, 2, the movable support, 3, DSP audio control button, 4, cell-phone USB connection port, 5, HDMI output port, 6, the power port, 7, microphone connection port, 8, musical instrument input connection port, 9, headset connection port, 10, AUX connection port, 11, earphone connection port, 12, stereo set connection port, 13, main volume knob.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present invention will be described in detail with reference to the accompanying drawings.

The utility model provides an improved generation cell-phone audio frequency and video expansion card when concrete implementation, including cell-phone digit singing machine 1, one side of cell-phone digit singing machine 1 is provided with movable support 2, the top of cell-phone digit singing machine 1 is provided with a plurality of DSP audios and controls button 3, one side of cell-phone digit singing machine 1 is provided with cell-phone USB connection port 4, HDMI output port 5, USB mouse interface, USB keyboard interface and power port 6, the opposite side of cell-phone digit singing machine 1 is provided with microphone connection port 7, musical instrument input connection port 8, headset connection port 9, AUX connection port 10, earphone connection port 11 and audio connection port 12.

The movable support 2 can be rotated 90 °. TV cell-phone digital singing machine 1's inside is provided with audio mixing module, audio and video coding processing module, audio DSP and composite module, it is provided with the USB HUB to connect on the composite module, the USB HUB be used for with external USB interface connection, carry out information transmission through video signal, audio signal between composite module and the audio and video coding processing module, it has ADC, earphone and stereo set to connect gradually on the audio mixing module, the last connection of audio DSP is provided with the ADC, the outside connection of ADC is provided with the microphone. The combined module is a USB audio or video coding or encoding module. The audio and video coding processing module is provided with an external port in a connected mode, the external port is an HDMI or DVI or VGA or DP interface, and the external port is used for being electrically connected with a television and a display screen.

The audio mixing module is connected with an audio playing module, the audio playing module is used for being electrically connected with an external TF card and an SD card, and the audio mixing module is directly electrically connected with an external accompaniment. And the USB HUB is electrically connected with an external mouse and a keyboard. The DSP sound effect control key 3 is provided with five groups. The microphone connection ports 7 are provided with two sets. The front side of the television handset digital singing machine 1 is provided with a main volume knob 13.

The specific implementation manner of the utility model is as follows:

1. the mobile phone receives an external microphone signal through an audio interface, then performs sound effect processing on the microphone signal, and mixes the processed audio signal with an audio signal and an accompaniment signal played by a TF card in a picture to enter an APP (such as a vocal bar) of the mobile phone or a computer; the mobile phone or the computer is connected to the USB interface of the equipment through the USB interface, the complete picture of the screen of the mobile phone and the audio frequency of the mobile phone are transmitted to the equipment together, and the incoming screen picture and the incoming audio frequency are separated by the equipment; one part of the audio enters an audio mixing module of the equipment and finally reaches a headset or a sound box; meanwhile, the screen picture signal and the audio signal enter the audio and video coding processing module together, and are finally output to a television or a display through interfaces such as HDMI/DVI/VGA/DP.

2. The device can be externally connected with a mouse keyboard, and a mobile phone or a computer can be controlled through the mouse keyboard.

The working principle of the utility model is as follows:

1. the device has a plurality of functional modules, only a few comparison modules are listed here:

1.1USBHUB

the USB HOST bus is responsible for expanding the number of USB devices on the USB bus so that more USB devices can be connected to the bus to communicate with the USB HOST, for example, after a USB keyboard, a USB mouse, a USB flash disk and a USB audio and video coding and decoding chip are connected to the USB HUB, the USB HOST can be communicated with the USB HOST at the same time.

1.2USB Audio/video coding/decoding Module

The audio and video signals from the mobile phone or the computer are decoded and then output respectively, and the audio signal codes from the audio mixing module are uploaded to the mobile phone or the computer.

1.3 Audio mixing Module

For mixing different audio signals together.

1.4 audio and video coding processing module

For encoding and packaging audio and video signals into a format supported by the output interface and outputting the video output in an increased format, such as encoded into HDMI or VGA or DVI or DP format, to the display and television.

1.5 Audio playing module

The audio mixer is used for playing the audio signals from the TF card or the SD card and outputting the audio signals to the audio mixing module so as to mix the audio signals with other audio signals.

As the utility model discloses a further explanation, the utility model discloses a front side can increase volume button and display panel and use, the structure similar with this technical scheme of the aforesaid all belongs to the utility model discloses a protection scope.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An improved mobile phone audio/video expansion card is characterized in that: including digital singing machine of TV cell-phone (1), one side of digital singing machine of TV cell-phone (1) is provided with movable support (2), the top of digital singing machine of TV cell-phone (1) is provided with a plurality of DSP audio and controls button (3), one side of digital singing machine of TV cell-phone (1) is provided with cell-phone USB connection port (4), HDMI output port (5), USB mouse interface, USB keyboard interface and power port (6), the opposite side of digital singing machine of TV cell-phone (1) is provided with microphone connection port (7), musical instrument input connection port (8), headset connection port (9), AUX connection port (10), earphone connection port (11) and audio connection port (12).

2. The improved mobile phone audio/video expansion card according to claim 1, characterized in that: the movable support (2) can rotate 90 degrees.

3. The improved mobile phone audio/video expansion card according to claim 1, characterized in that: the inside of TV cell-phone digit singing machine (1) is provided with audio mixing module, audio and video coding processing module, audio DSP and composite module, the connection is provided with the USB HUB on the composite module, the USB HUB be used for with external USB interface connection, carry out information transmission through video signal, audio signal between composite module and the audio and video coding processing module, it has ADC, earphone and stereo set to connect gradually on the audio mixing module, the last connection of audio DSP is provided with the ADC, the outside connection of ADC is provided with the microphone.

4. An improved mobile phone audio/video expansion card according to claim 3, characterized in that: the combined module is a USB audio or video coding or encoding module.

5. An improved mobile phone audio/video expansion card according to claim 3, characterized in that: the audio and video coding processing module is provided with an external port in a connected mode, the external port is an HDMI or DVI or VGA or DP interface, and the external port is used for being electrically connected with a television and a display screen.

6. An improved mobile phone audio/video expansion card according to claim 3, characterized in that: the audio mixing module is connected with an audio playing module, the audio playing module is used for being electrically connected with an external TF card and an SD card, and the audio mixing module is directly electrically connected with an external accompaniment.

7. An improved mobile phone audio/video expansion card according to claim 3, characterized in that: and the USB HUB is electrically connected with an external mouse and a keyboard.

8. The improved mobile phone audio/video expansion card according to claim 1, characterized in that: the DSP sound effect control key (3) is provided with five groups.

9. The improved mobile phone audio/video expansion card according to claim 1, characterized in that: the microphone connecting ports (7) are provided with two groups.

10. The improved mobile phone audio/video expansion card according to claim 1, characterized in that: the front side of the television mobile phone digital singing machine (1) is provided with a main volume knob (13).