• ACU-EXPERT - COMPLETE SOLUTION FOR FORENSIC AUDIO LABORATORIES


    SPEAKER VOICE IDENTIFICATION
    in-depth forensic audio analysis, investigating the recordings for equity of people.

    AUTHENTICITY ANALYSIS investigation of tampering/editing or verification of recorded media. Recording device identification and verification.

    SPEECH NORMALIZATION and PRE-PROCESSING investigation of speech suitability for identification purposes, speaker separation, audio normalization and speech enhancement.

    TEXT DECODING creating the environment to retrieve the contents of poor quality recorded conversations, such as investigation of ‘black boxes’, telephone, radio and other evidences.

    REPORTING preparing detailed expert reports to be used for legal evidence.

    ADVANTAGES

    • Exceptionally in-depth and detailed set of analysis tools such as speaker formant analysis (waveforms, spectrograms, LPC-spectrograms, and cepstrograms).

    • Easy-to-use yet comprehensive speech analysis windows (energy, pitch, formants, user marks and notes overlay).

    • Instant switching between modes and windows. Changing frame type and size, performing spectrum normalization on-the-fly.

    • Fast calculations and convinient file management.

    • Manually redraw, linear and non-linear transformations.

    • Rich colour presets pallet. Full image export with user presets.

    • Numerious signal editing tools and wide range of supported audio formats.

    BENEFITS

    • FORENSIC SPEAKER IDENTIFICATION with fast and accurate in-depth speech visualisation at Forensic level.

    • RECORDING AND PLAYBACK for easy audio organisation: project organisation of files and wide range of supported audio formats, I/O level control, clipping notification, easy editing and various playback modes, pseudo stereo mode, tempo correction.

    • FORENSIC SPEAKER ANALYSIS delivers automatic extraction of speaker characteristics, extraction of pitch and formant traces, manual correction options via visual control, calculation, comparison, and storing of pitch and formants statistics, flexible MS Word export.

    • TEXT DECODING is supported by comprehensive text editor, featuring: highlighting of speakers’ utterances, convenient speech segmentation, text-to-audio binding and fast text navigation, automatic search of matching words and phrases for further comparison analysis.

    • EDITING options featuers high-pass, low-pass, band-pass, inverse and other filtering options.

    • Authenticity analysis provided withan additional module delivers excellent tools for equipment or recording authentication.

    ACUSTEK Forensic Audio Analyis solution provides single multitasking environment to solve every forensic audio task at the highest professional level.

    APPLICATIONS

    • Ideal for Forensic Audio Laboratories for in-depth forensic audio analysis and speech signal processing.

    CONTENTS

    ACU-EXPERT comprises of various elements depending on the requirements and the task of the forensic audio laboratories:

    • option OT - SPEAKER VOICE IDENTIFICATION ANALYSIS. Easy to use in-depth voice analysis software for granular Speaker Voice ID comparison, with many fast and convenient ways to create visualizations for Forensic Lab reporting.

    • option NF - AUTOMATED SPEAKER IDENTIFICATION. Designed for Forensic Audio Laboratories, ACU-NF delivers comprehensive automated speaker identification based on the most up-to-date and advanced scientific achievements.

    • option TD - AUTHENTICITY SIGNAL ANALYSIS OF SPEECH RECORDINGS. The most powerful up-to-date forensic audio examination module that provides a wide spectrum of tools and methods dedicated to authenticity analysis of speech recordings and verification of recording media.

    • option HEX – MEDIA FILE STRUCTURE AUTHENTICITY ANALYSIS. Unique and powerful up-to-date forensic audio examination module that provides detailed file structure parsing, codec frame allocation mapping and reveals individual features of the digital audio recorder for device identification and verification purposes.

    • AUDIO FORENSICS TRAINING. Acustek provides a comprehensive training and certification process. Our experts have extensive experience and give practical training based on the current demands of Forensic Departments.

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