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Key Features

Phonexia Voice Inspector software offers several features to effectively support voice forensic experts:

  • Standalone application with a comprehensive, easy-to-use Graphical User Interface (GUI)
  • Automatic comparison of a questioned recording (unknown speaker recording or voiceprint) against a suspected reference speaker (a group of recordings or voiceprints) with a known speaker, supporting both 1:1 identification and 1:N identification.
  • Integrated speech technologies: Speaker Identification, Speaker Diarization, Phoneme Recognition, Voice Activity Detection and Speech Quality Estimation
  • Ability to search for repetitive sound patterns across all recordings due to automatic phonemic transcription

Input​

  • Questioned recordings (minimum of 1 recording)
  • Suspected speaker recordings (minimum of 1 recording)
  • The Population set (technical minimum of 10 speakers, recommended minimum of 50 speakers)

Supported audio formats: MS Wave or RAW with linear coding (8 or 16 bits), A-law, Mu-law; Sampling frequency of 8kHz or higher

Output​

  • A scoring table with the results of comparisons in Likelihood Ratio, Log-Likelihood Ratio (decimal or natural logarithm), and Verbal Ratio
  • Graphical presentation of results in the form of a Probability Density Function plot and a Tippett plot
  • The Diarization panel with labels for different speakers
  • The Phoneme Transcription panel for discovering similar sound patterns across recordings
  • The Voice Activity Detection panel with labels for speech and non-speech segments
  • The Spectrum panel and detailed spectrum layout
  • An editable report compiling all results (including the scoring table and graphs) into a single document exportable as PDF or OpenDocument

Available for Windows 64-bit (x86_64) or Linux 64-bit (x86_64)