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System and method for simultaneously driving internal and external audio output devices

An audio output device and audio output technology, applied in the direction of sound input/output, data processing input/output process, instruments, etc., to achieve high versatility

Active Publication Date: 2021-08-17
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a system and method for simultaneously driving internal and external audio output devices, aiming at solving the universality problem of simultaneous driving of internal and external audio output devices

Method used

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  • System and method for simultaneously driving internal and external audio output devices
  • System and method for simultaneously driving internal and external audio output devices
  • System and method for simultaneously driving internal and external audio output devices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] refer to figure 1 , figure 1 It is a structural schematic diagram of Embodiment 1 of a bass device provided by the present application. The bass device includes a bass filter circuit 101, a speaker 102 connected to the bass filter circuit 101, and an audio frequency converter connected to the bass filter circuit 101. Connector 103, the audio connector 103 includes:

[0038] Bass detection terminal 1031;

[0039] One end is connected to the bass detection terminal 1031, and the other end is connected to the detection resistor 1032 of the common terminal GND;

[0040] A left channel terminal 1033 and a right channel terminal 1034 connected to the bass filter circuit 101;

[0041] The first ground terminal 1035 is connected to the bass filter circuit 101 and connected to the common terminal GND.

[0042] Wherein, the left channel terminal 1033 is used to connect the bass device to the left channel audio output by the sound card chip of the electronic device, and the ri...

Embodiment 2

[0047] refer to figure 2 , figure 2A schematic diagram of the structure of Embodiment 2 of a bass detection circuit provided by the present application, the bass detection circuit includes a sound card chip 201 and an audio interface 202, the sound card chip 201 includes a bass detection pin 2011; The interface 202 includes a bass detection terminal 2021 connected to the bass detection pin 2011 .

[0048] The sound card chip 201 also includes a left channel pin 2012 and a right channel pin 2013, and correspondingly the audio interface 202 also includes:

[0049] A left channel audio output terminal 2022 connected to the left channel pin 2012 of the sound card chip 201;

[0050] A right channel audio output terminal 2023 connected to the right channel pin 2013 of the sound card chip 201;

[0051] The second ground terminal 2024 connected to the common terminal GND.

[0052] The bass detection circuit provided in this embodiment matches the bass device provided in Embodime...

Embodiment 3

[0058] This embodiment discloses a system for simultaneously driving internal and external audio output devices. The system includes electronic devices and the bass device described in Embodiment 1. The electronic device includes a built-in audio output device and the bass device described in Embodiment 2. bass detection circuit.

[0059] Wherein, the electronic device may specifically be a laptop computer, a tablet computer, a smart phone, or an AIO, and the built-in audio output device may specifically be a built-in speaker of the electronic device.

[0060] Based on the elaboration of Embodiment 2, it can be seen that when the audio connector 103 of the bass device is connected to the audio interface 202 of the electronic device, the bass detection terminal 1031, the left channel terminal 1033, the right audio The channel connection terminal 1034 is respectively connected with the bass detection terminal 2021, the left channel audio output terminal 2022, and the right chann...

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PUM

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Abstract

The application discloses a system and method for simultaneously driving a bass device, a bass detection circuit, and internal and external audio output devices. The application designs a bass detection terminal on the audio connector of the bass device, and A detection resistor is connected to the detection terminal to realize a bass device with a bass detection mark. At the same time, an external bass device is realized by providing a bass detection circuit that matches the bass device for the electronic device. The effective detection function when the device is connected to the electronic device. The electronic device can effectively identify the access of the bass device by using the bass detection circuit. On this basis, the audio output of the sound card chip of the electronic device can be driven and controlled to realize Simultaneous driving of internal and external audio output devices. Therefore, the present application solves the problem of simultaneously driving the internal and external audio output devices, and the application of the solution of the present application is not limited to a certain operating system or a certain product, and has high versatility.

Description

technical field [0001] The invention belongs to the technical field of drive control of audio output, and in particular relates to a system and method for simultaneously driving internal and external audio output devices. Background technique [0002] At present, simplicity and thinness have become the mainstream trend of notebook computers, tablet computers, smart phones, and AIO (All In One) devices in the industry. However, with more and more simple and thin designs, the bass performance of notebook computers, AIO and other devices is getting worse and worse due to the limited product size. In order to solve the bass problem of this type of equipment, the industry has initially proposed to use an external subwoofer (commonly known as a subwoofer) and a built-in speaker at the same time, that is, to control the built-in speaker and an external subwoofer to output audio at the same time, and through the sound effect of the external device stacking to equalize the bass perf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/16
CPCG06F3/162
Inventor 李波
Owner LENOVO (BEIJING) LTD