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Differential audio data compensation

A technology of audio data and differential information, applied in loudspeakers, voice analysis, public address systems, etc., can solve problems such as the impossibility of interrupting remote speech

Pending Publication Date: 2022-01-21
SENNHEISER COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this is an effective method of echo cancellation, it has some disadvantages such as it makes it impossible for the user of the loudspeaker to interrupt the far-end talker, since the system is reduced to a half-duplex / simplex system

Method used

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  • Differential audio data compensation
  • Differential audio data compensation
  • Differential audio data compensation

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Embodiment Construction

[0073] The detailed description set forth below in connection with the accompanying drawings serves as a description of a number of different configurations. The detailed description includes specific details to provide a thorough understanding of various concepts. It will be apparent, however, to one skilled in the art that these concepts may be practiced without these specific details. Several aspects of the apparatus and methods are described in terms of a number of different blocks, functional units, modules, elements, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). Depending on the particular application, design constraints, or other reasons, these elements may be implemented using electronic hardware, computer programs or any combination thereof.

[0074] Electronic hardware can include microelectromechanical systems (MEMS), (e.g. application specific) integrated circuits, microprocessors, microcontrollers, digital signal processor...

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PUM

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Abstract

Differential audio data compensation is disclosed, the method comprising obtaining at least one first information indicative of audio data gathered by at least one first microphone, and at least one second information indicative of audio data gathered by at least one second microphone; determining a differential information, wherein the differential information is determined based, at least in part, on the at least one first information and the at least one second information; and compensating an impact onto the audio data, wherein audio data of the first information and / or the second information is compensated based, at least in part, on the determined differential information. Further, a loudspeaker, and a system including the loudspeaker are disclosed.

Description

technical field [0001] This application relates to the field of loudspeakers. More particularly, the present application relates to devices such as for use in connection with a horn amplifier or as part of a horn amplifier system. Background technique [0002] It is known that in a horn loudspeaker or horn loudspeaker system, echoes perceived by the far-end user are a major impairing or detrimental factor to natural conversation. The sound played by the loudspeaker unit of the horn amplifier, such as the loudspeaker (also known as the horn), is picked up by the microphone and returned to the far end as an echo. [0003] In recently developed audio devices such as loudspeakers, the acoustic coupling between the loudspeaker and the microphone during a conversation leads to a degradation in the quality of the corresponding audio output to the far-end user. Therefore, applications such as echo cancellers have been developed. Such an echo canceller application is usually forme...

Claims

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Application Information

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IPC IPC(8): H04R3/02H04R27/00G10L21/0208
CPCH04R3/02H04R27/00G10L21/0208G10L2021/02082H04M9/082H04R1/406H04R2201/40H04R2430/20H04M1/6033H04R1/025H04R3/005H04R29/006G10K11/17854H04R1/02
Inventor A·R·汉森S·佩特利S·费尔特P·P·海斯特拜克C·芬斯科M·阿德纳叶维克
Owner SENNHEISER COMM
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