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IKAR Lab 3: Forensic Audio Suite
Professional hardware and software suite for audio forensics.
Since it has been launched in 1992, IKAR Lab has evolved from a sound editor application to the most popular audio forensic lab in the world. Today it is serving experts more than in 350 laboratories in more than 40 countries worldwide.
Overview
IKAR Lab 3. Hardware and Software Suite is designed to conduct forensic analysis of audio recordings.
The suite performs the following tasks:
- Perform noise reduction of the audio recording and determine the degree of its suitability for identification analysis.
- Check the authenticity of audio recording.
- Establishment of the verbatim content of the audio recording and diarization by speakers.
- Identification of the speaker by voiced speech on the audio recording.
Main components
SIS - Sound Editor
Sound Editor
Sound Cleaner - Speech signal noise reduction software
Speech signal noise reduction software
ASR Module - Automatic speech-to-text conversion
Automatic speech-to-text conversion
STC-H246 - Sound I/O device
Sound I/O device
SIS
SIS Tools:
- Automatic comparison algorithms;
- Speech and noise detection;
- Editing and processing of audio recordings;
- Expert methods;
- Signal analysis;
- Visualization and analysis of audio recordings;
- Identification wizard;
- EdiTracker;
- Diagnostics module;
- Overall conclusion.
Sound Cleaner
Sound Cleaner Filters:
- DNN filter;
- Amplifier;
- Broadband noise filter;
- Cellphone noise filter;
- Click suppressor;
- Clip restorer;
- DTMF suppressor;
- Dynamic range control;
- Equalizer;
- Inverse filter;
- Reference noise canceller;
- Reference noise suppressor;
- Reverb suppressor;
- Automatic filter;
- Tone suppressor.
Example of DNN filter application
ASR Module
ASR ModuleThe module provides the text content of the detected speech in 9 different languages. Text transcription is accompanied by segmentation marking the location of the spoken words. The module automatically marks utterances linking them to the speakers. The Dictionaries function allows to connect additional transcription dictionaries to the speech recognition module. This is useful when the speech on the audio recording is full of slang. |
STC-H246
Specs
Parameter | Value |
Sampling rate: | 8–200 kHz |
Resolution ADC/DAC: | 24 bit |
Signal-to-noise ratio in the end-to-end channel, in the frequency band from 20 to 20 kHz: |
105 dB |
Input/output channel connector types: | XLR, RCA, S/PDIF, TRS 6.3 |
Number of channels: | 2 |
Case: | Metal |
Size: | 111×166×190 mm |
OS: | Windows 7,10 |
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