声纹鉴定辨真假（Voiceprint identification to distinguish between true and false）.docVIP

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声纹鉴定辨真假（Voiceprint identification to distinguish between true and false）.doc

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声纹鉴定辨真假（Voiceprint identification to distinguish between true and false）

声纹鉴定辨真假（Voiceprint identification to distinguish between true and false） Voiceprint identification to distinguish between true and false -------------------------------------------------------------------------------- When people enjoy the convenience and comfort of modern telephone communication and recording, the criminals black hands also grab the telephone receiver and carry out evil deeds. They think nobody can find it by using the telephone and the invisible and invisible voice. In mid April 1992, the Beijing Municipal Public Security Bureau received the chief representative of American company Beijing Office of Mr. Yangs report, someone called him to say do you want to hand over hand, or over $30 thousand, intimidation or blackmail? Mr. Yang flew back to america. The funny thing is, the phone calls kept coming up, and the companys staff talked to them over and over again, and recorded them on record phones. In according to the agreed time and place of payment, the public security personnel seized money people. After interrogation, the person who took the money was ordered by a ding of a company in Haidian District. Did Ding ever make a phone call? Why did you do such a thing? The result of the arraignment was beyond reach. Ding Mou in the end is not extortion? A telephone recording and recording communications sent to the Ministry of public security evidence identification center, 90s Chinese forensic science new technology used to test and voiceprint identification. It is an ancient topic in the field of judicial work to make use of the voice of human voice, which has been in the West for hundreds of years. It was entirely dependent on the human auditory sense to distinguish the phonetic features. In 1944 Baer labs invented the audio spectral image display to see human voice, led to the emergence of new technology by the court of voiceprint identification. Voiceprints, is commonly known by electro acoustic instrument display, carrying speech information of v