admitted that voice
spectrographic test is considered to be more or
less authentic test for identification of voice and
it can confirm the person whose ... admittedly the spectrographic test could not be
carried out which is the authentic identification
test in the absence of which, in my view
accused Dr. K.K. Arora. IO had admitted that the Voice
Spectrographic Test in respect of voice
voice of
Accused No. 1 Sh. P.R. Meena, Accused No. 2 Sh. Deepak
Aggarwal and complainant Krishan Kumar. He had reported that
questioned voice ... voice marked as S1 (1) (A) are of the
same person namely Sh. P.R. Meena on the basis of linguistic,
phonetic and spectrographic
analysed them through voice spectrograph for
the features mentioned in his report. The witness produced
the photo copies of the voice spectrograph ... respectively. He admitted that for proper
analysis of voices by spectrographic test, the questioned
and sample voice should have been recorded in the
condition
Cbi vs Hari Ram on 19 December, 2025
IN THE COURT OF GAURAV RAO, SPECIAL
Cbi vs Varun Chechi And Anr on 5 December, 2024
IN THE COURT OF MS
examination and comparison of
voices, although he claimed having undergone
various trainings in the field. The sample voice
received by PW-4 was carrying clue ... parameter of
sound waves for voice comparison and auditory
examination and voice spectrographic examination
are two tests carried out in voice comparison.
Auditory examination involved
specimen voice of the accused was also
taken in the digital voice recorder which was transferred on to a
CD mark ... spectrograph
State (CBI) v. Diwan Chand Kanwal Page No.23/39
24
tests have a high degree of scientific accuracy. The fundamental
principle of voice
regarding the voice samples but also on the testimony of
5
colleagues of Ashok Raj Arora who are conversant with his
voice.
Regarding section ... where the spectrograph test was
conducted is also doubtful. Ld. Counsel for the revisionist submitted
that no one had identified the voice of the revisionist
mark Ex. P12 and S2 Ex.P17
with voice spectogram and some common clue words were
selected from the conversation and that ... full proof, the spectrograph tests have a high degree of scientific
accuracy. The fundamental principle of voice identification rests on
the fact that every voice
