# US 2024/0205602 A1 · Display > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0205602 A1 - Document ID: US20240205602A1 - Status: Published application - Kind: A1 - Application number: 18/326,028 - Filed: 2023-05-31 - Published: 2024-06-20 - Earliest claimed: 2022-12-15 - Assignees: Benq Corporation - Applicants: Benq Corporation - Inventors: Chun-Min Ko; Chih Heng Lee; Change Kuo Chen; Li Hsin Wu - Web page: https://patentgrep.com/patent/US20240205602A1 ## CPC - H04R 3/12: for distributing signals to two or more loudspeakers {(specially adapted for hearing aids H04R25/407)} - G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units} - G06F 3/162: {Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs} - G06F 3/165: {Management of the audio stream, e.g. setting of volume, audio stream path} - G06F 13/42: Bus transfer protocol, e.g. handshake; Synchronisation - G06T 3/40: Scaling of whole images or parts thereof, e.g. expanding or contracting - G10L 21/0208: Noise filtering - H03F 3/183: with semiconductor devices only - G10L 2021/02082: {the noise being echo, reverberation of the speech} - H03F 2200/03: the amplifier being designed for audio applications - H04R 2420/01: Input selection or mixing for amplifiers or loudspeakers - H04R 2430/01: Aspects of volume control, not necessarily automatic, in sound systems - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - G10L: SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING - H03F: AMPLIFIERS ## Abstract The disclosure provides a display including a first audio connector, a second audio connector, a third audio connector, and a mixer and amplifier circuit. The mixer and amplifier circuit is coupled to the first audio connector, the second audio connector, and the third audio connector. The mixer and amplifier circuit broadcasts a first input audio signal corresponding to an output image of a first host device to the first audio connector, the second audio connector, and the third audio connector. The mixer and amplifier circuit broadcasts a second input audio signal from one of the first audio connector, the second audio connector, and the third audio connector to the other two of the first audio connector, the second audio connector, and the third audio connector. ## Claims ### Claim 1 A display configured to be connected to a first host device to display an output image of the first host device, the display comprising: a first audio connector; a second audio connector; a third audio connector; and a mixer and amplifier circuit coupled to the first audio connector, the second audio connector, and the third audio connector, wherein the mixer and amplifier circuit broadcasts a first input audio signal corresponding to the output image of the first host device to the first audio connector, the second audio connector, and the third audio connector, and the mixer and amplifier circuit broadcasts a second input audio signal from one of the first audio connector, the second audio connector, and the third audio connector to the other two of the first audio connector, the second audio connector, and the third audio connector. ### Claim 2 (depends on 1) The display according to claim 1, further comprising: an image input interface connected to the first host device to receive the output image and the first input audio signal; a display module; and an image scaler IC coupled to the image input interface, the display module, and the mixer and amplifier circuit, wherein the image scaler IC provides a video signal to the display module to enable the display module to display the output image, and the image scaler IC provides the first input audio signal corresponding to the output image to the mixer and amplifier circuit. ### Claim 3 (depends on 1) The display according to claim 1, wherein the mixer and amplifier circuit outputs a first output audio signal to the first audio connector, the mixer and amplifier circuit outputs a second output audio signal to the second audio connector, and a first volume adjustment of the first output audio signal performed by the mixer and amplifier circuit is independent of a second volume adjustment of the second output audio signal performed by the mixer and amplifier circuit. ### Claim 4 (depends on 3) The display according to claim 3, further comprising: a first volume adjustment interface coupled to the mixer and amplifier circuit, wherein the mixer and amplifier circuit performs the first volume adjustment for the first audio connector based on control of the first volume adjustment interface; and a second volume adjustment interface coupled to the mixer and amplifier circuit, wherein the mixer and amplifier circuit performs the second volume adjustment for the second audio connector based on control of the second volume adjustment interface. ### Claim 5 (depends on 1) The display according to claim 1, wherein in response to the first audio connector being connected to a headset and one of the second audio connector and the third audio connector being connected to another display, the mixer and amplifier circuit broadcasts the second input audio signal from the headset to the another display, and the mixer and amplifier circuit broadcasts a third input audio signal from the another display to the headset. ### Claim 6 (depends on 1) The display according to claim 1, wherein in response to the first audio connector being connected to a headset, the second audio connector being connected to a first other display, and the third audio connector being connected to a second other display, the mixer and amplifier circuit broadcasts the second input audio signal from the headset to the first other display and the second other display, the mixer and amplifier circuit broadcasts a third input audio signal from the first other display to the headset and the second other display, and the mixer and amplifier circuit broadcasts a fourth input audio signal from the second other display to the headset and the first other display. ### Claim 7 (depends on 1) The display according to claim 1, wherein in response to the first audio connector being connected to a headset, the second audio connector being connected to an audio output connector of a second host device, and the third audio connector being connected to an audio input connector of the second host device, the mixer and amplifier circuit broadcasts the first input audio signal from the first host device and the second input audio signal from the headset to the audio input connector of the second host device, and the mixer and amplifier circuit broadcasts a third input audio signal from the audio output connector of the second host device to the headset. ### Claim 8 (depends on 1) The display according to claim 1, wherein the mixer and amplifier circuit comprises: a first amplifier circuit coupled to the first audio connector; a second amplifier circuit coupled to the second audio connector; a third amplifier circuit coupled to the third audio connector; and a mixing and switching circuit coupled to the first amplifier circuit, the second amplifier circuit, and the third amplifier circuit, wherein the mixing and switching circuit broadcasts the first input audio signal corresponding to the output image of the first host device to the first amplifier circuit, the second amplifier circuit, and the third amplifier circuit, and the mixing and switching circuit broadcasts the second input audio signal from one of the first amplifier circuit, the second amplifier circuit, and the third amplifier circuit to the other two of the first amplifier circuit, the second amplifier circuit, and the third amplifier circuit. ### Claim 9 (depends on 8) The display according to claim 8, wherein the first amplifier circuit comprises: an amplifier coupled to the first audio connector and the mixing and switching circuit, and amplifying and transmitting the second input audio signal from the first audio connector to the mixing and switching circuit; an echo cancellation circuit coupled to the first audio connector and the mixing and switching circuit, and performing an echo cancellation on an output audio signal from the mixing and switching circuit according to the second input audio signal from the first audio connector to generate an echo-canceled signal; and a codec coupled to the echo cancellation circuit to receive the echo-canceled signal, wherein the codec adjusts a volume of the echo-canceled signal based on control of a volume adjustment interface to generate an adjusted volume signal to the first audio connector. ### Claim 10 (depends on 1) The display according to claim 1, further comprising: a base; a support frame having a first end connected to the base; and a display panel module having a connection part connected to a second end of the support frame, wherein the mixer and amplifier circuit, the first audio connector, the second audio connector, and the third audio connector are disposed in the display panel module, wherein the second end of the support frame has a sliding mechanism for changing a vertical position of the display panel module, and the connection part has a rotating shaft for changing a direction of the display panel module.