Difference Auralization (DIF-AUR)
Features and Benefits
- Automatic alignment of input signals in time
- Isolation of difference signal (no model is employed)
- Scaling of difference signal to enhance or attenuate distortion
- Automatic leveling of auralization output
- Export of auralization output to WAVE files
- Distortion analysis and frequency domain analysis
Benefits
- Combines subjective and objective evaluation
- Isolates all kinds of regular and irregular distortion (also rub & buzz)
- Exported files may be used for listening tests or perceptual simulation
- Sensitization of listeners to defect symptom
- Communication of sound quality to nontechnical colleagues to define target performance
- Determine critical test signals
Requirements
dB-Lab software
PC
high quality reproduction system (headphones)
Related Information
Application Notes
AN 67 Auralization of Signal Difference
Literature and Papers
Auralization Part 1
Perceptual and Physical Evaluation of Guitar Speakers
Standards
International Electrotechnical Commission
IEC 60268-13, IEC 61305-5, IEC 62458
International Telecommunication Union
ITU-R Recommendation BS. 1116, ITU-R Recommendation BS. 1534-1
Patents
USA: 8,964,996B2