The retired CBI CFSL Lab forensic expert, Mr S.R. Singh, who is now with Truth Labs of Delhi, has completed the investigation with the aid of video authentication experts in Hyderabad. The city based Truth Labs experts have stated that the conversations in the Shanti Bhushan CD have been directly lifted from the Amar Singh tapes and has been digitally manipulated.
The experts found that the makers of the CD, which allegedly contains conversation of Mr Shanti Bhushan regarding bribes for getting PIL, took direct conversations between Mr Amar Singh and Mr Mulayam Singh from the Amar Singh tapes and knitted them in the CD. For instance the sentence - "Ab unko kaun samjhaye... chahe griha mantri ho ya chahe koyi eira geira ho, inko kya samjhaye" has been lifted from tape 10 of the Amar Singh tapes. Truth Labs used multispeech software, Gold Wave to find that the CD was doctored.
Truth Labs officials said that out of 46 sentences, 17 have been directly lifted from the Amar Singh tapes. "Regarding Mr Shanti Bhushan's voice, the background noise differed when Mr Amar Singh was speaking which showed that they were not at the same place and was fabricated," said Mr K.P.C. Gandhi, chairman of Truth Labs. Even the word "Char karore" allegedly used by Mr Shanti Bhushan, was with a high peak and used after a pause which showed that they had been linked.
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