Key Features (VIN)
Phonexia Voice Inspector software offers several features that strongly support the work of voice forensic experts:
- A standalone application with a complete easy-to-use Graphical User Interface (GUI)
- Automatic comparison of questioned recording (unknown speaker recording or voiceprint) against a suspected reference speaker (group of recordings or voiceprints) with a known speaker i.e. 1:1 identification and 1:N identification.
- Implemented speech technologies: Speaker Identification, Speaker Diarization, Phoneme Recognizer, Voice Activity Detection, Speech Quality Estimation
- A search for repetitive sound patterns across all recordings in audio due to the automatic phonemic transcription
- Input:
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- Questioned recordings (a minimum of 1 recording)
- Suspected speaker recordings (a minimum of 1 recording)
- The Population set (a technical minimum of 10 speakers, and a recommended minimum of 50 speakers)
- Supported audio format: MS Wave or RAW with linear coding (8 or 16 bits), A-law, Mu-law; Sampling frequency 8kHz or higher
- Output:
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- A scoring table with the results of comparisons in a Likelihood Ratio, Log-Likelihood Ratio (decimal or natural logarithm), and Verbal Ratio
- The graphical presentation of results in the form of a Probability Density Function plot and a Tippet 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 the Spectrum details layout
- An editable report with all results (including the scoring table and graphs) in one document (exportable as PDF or OpenDocument)
- Available platforms: Windows 64bit (x86_64) or Linux 64bit (x86_64)