In State v Williams, the Ohio Supreme Court addressed for the first time the issue of admissibility of voice analysis as identification evidence. The court ruled that expert testimony and exhibits based on voice spectrography analysis are admissible if they are relevant and will assist the trier of fact. Williams also pronounces how Ohio courts should evaluate the admissibility of scientific evidence.
Ashar, Linda C.
"Admissibility of Scientific Evidence: Voice Spectrography,"
Akron Law Review: Vol. 17:
4, Article 12.
Available at: https://ideaexchange.uakron.edu/akronlawreview/vol17/iss4/12