A Blind Detection Method for Heterogeneous Audio Splicing and Tampering Based on Silent Segments
A silent segment, blind detection technology, applied in speech analysis, instruments, etc., can solve the problems of low accuracy and insufficient positioning accuracy, and achieve the effect of low complexity, accurate audio features, and high application flexibility
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[0041] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0042] The implementation process of the present invention will be described in detail below with a section of audio in WAV format as a preferred embodiment. like figure 2 As shown, the audio is spliced by two pieces of audio. The first piece is the audio recorded by the Apple iPhone5 mobile phone with a duration of 6.049 seconds, and the latter section is the audio recorded by the Samsung E2600 mobile phone with a duration of 7.818 seconds. The sampling rate is 16kHz. The duration of the tampered audio is 13.867 seconds, and the splicing and tampering point is at the 6.049th second of the audio to be tested.
[0043] like figure 1 As shown, the method of the present invention is mainly divided into six steps, including framing and windowing of audio, detecting sil...
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