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Video analysis assisted generation of multi-channel audio data

An audio data, multi-channel technology, used in speech analysis, color TV, stereo systems, etc.

Inactive Publication Date: 2015-10-21
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although smartphones feature a large number of microphones, these microphones are typically not used to capture multi-channel audio data other than stereo audio data because the usual placement of these microphones on the smartphone limits it from adequately capturing any data other than stereo audio data in the position of ability

Method used

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  • Video analysis assisted generation of multi-channel audio data
  • Video analysis assisted generation of multi-channel audio data
  • Video analysis assisted generation of multi-channel audio data

Examples

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Embodiment Construction

[0020] Figure 1A Diagrams that illustrate various views 8A-8C (front, rear, and side views, respectively) of example video capture device 10 performing the techniques described in this disclosure. Video capture device 10 may represent any type of device capable of capturing video and audio data, such as a video camcorder, tablet or tablet touch computer, mobile phone (including so-called "smart phones"), personal gaming device, personal media device and the like. For purposes of illustration, assume that video capture device 10 represents a smartphone. Although described with respect to a particular type of device (ie, a smartphone), in this disclosure the techniques may be implemented by any type of device capable of capturing video data as well as multi-channel audio data.

[0021] exist Figure 1A In the example of , video capture device 10 is shown from three different views 8A-8C. View 8A shows video capture device 10 from the front. View 8B shows video capture device...

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Abstract

In general, techniques are described for capturing multi-channel audio data. A device comprising one or more processors may be configured to implement the techniques. The processors may analyze captured audio data to identify audio objects, and analyze video data captured concurrent to the capture of the audio data to identify video objects. The processors may then associate at least one of the audio objects with at least one of the video objects, and generate multi-channel audio data from the audio data based on the association of the at least one of audio objects with the at least one of the video objects.

Description

[0001] This application claims the benefit of US Provisional Application No. 61 / 765,556, filed February 15, 2013. technical field [0002] The present invention relates to capturing audio data, and more particularly to capturing multi-channel audio data. Background technique [0003] Typically, video capture devices (such as video camcorders, tablet or tablet-touch computers, mobile phones (including so-called "smart phones"), personal gaming devices, personal media devices, and the like) feature a video camera with a given The frame rate captures a series of images to produce video data. Typically, these video capture devices feature a microphone to capture mono audio data of the scene depicted in the video data. More complex video capture devices may feature two or more microphones to increase the number of audio channels (with mono audio data from a single channel) that can be captured. These more complex video recording devices may include at least two microphones to c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B27/031G11B27/28G10L19/008H04S3/00H04S7/00
CPCH04N9/87G10L19/008G10L25/48G11B27/031G11B27/28H04S3/008H04S7/30H04S2400/11H04S2420/03H04N9/802
Inventor 向佩
Owner QUALCOMM INC