Recording audio device source determination method and device

A technology of recording equipment and audio equipment, which is applied in the field of audio analysis, and can solve problems such as the inability to accurately identify the equipment source of a piece of recorded audio

Inactive Publication Date: 2016-06-08
司法部司法鉴定科学技术研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a method and device for identifying the source of a recording au

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  • Recording audio device source determination method and device
  • Recording audio device source determination method and device
  • Recording audio device source determination method and device

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0044] figure 1 Shown is a flow chart of a method for identifying the source of a recording audio device provided by an embodiment of the present invention. Such as figure 1 As shown, the method for identifying the source of the audio recording device includes:

[0045] Step 101: Obtain the equipment noise signal of the recording to be identified. Since the recording equipment has certain equipment noise, and this equipment noise will not change wi...

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Abstract

One embodiment of the invention provides a recording audio device source determination method and device, wherein the method comprises the steps of: obtaining an device noise signal of a recording to be determined; comparing the obtained device noise signal with device noise signals of a plurality of known recording devices; and using the known recording device, whose comparison result is matching, as a device source of the recording to be determined. The recording audio device source determination method and device solve the problem in the prior art that the device source of a segment of audio recording cannot be accurately determined.

Description

technical field [0001] The invention relates to the technical field of audio analysis, in particular to a method and device for identifying the source of recording audio equipment. Background technique [0002] Recording device detection plays an important role in today's society. In the judicial industry, determining whether a specific piece of audio was recorded by the claimed device can be used to judge the validity and legality of the recording; in copyright disputes, determining the original recording device of a recording can assist in dispute resolution; and so on. At the same time, in the field of audio processing, the detection of audio recording equipment can also provide assistance in important areas such as recording originality and recording tampering detection, because forged recordings are often combined from recordings from different sources. Therefore, there is an urgent need for a method and device for identifying the source of recording audio equipment. ...

Claims

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Application Information

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IPC IPC(8): G10L25/51G10L21/0208
CPCG10L25/51G10L21/0208
Inventor 施少培黄征杨旭曾锦华祁思蒙卢启萌李岩卞新伟奚建华
Owner 司法部司法鉴定科学技术研究所
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