1. U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING C ONVENTION P APER 8823 D. C OMMINIELLO, S. S CARDAPANE, M. S CARPINITI, A. U NCINI 134 TH AES CONVENTION R OME, I TALY – 2013 M AY 4-7

2. O UTLINE OF THE T ALK U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 2 2013 May 4-7 (1) Problem Definition Our Framework (2) Applications Immersive Speech, Games… (3) Preliminary Results Conclusions

3. U NDERSTANDING THE U SER U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 3 2013 May 4-7 Audio Processor Personal Judgement Development Stage ???

4. E VALUATION P ROCEDURES U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 4 2013 May 4-7 Objective Indexes Psychoacustic Models Subjective Tests

5. C LASSICAL A PPROACH U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 5 2013 May 4-7

6. O UR A PPROACH U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 6 2013 May 4-7 Possible Enhanced Audio

7. I NTERACTIVE E VOLUTIONARY A LGORITHM U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 7 2013 May 4-7 Pool of Possible Settings Subjective Evaluation «Reproduction» Selection New Pool

8. M AIN D RAWBACKS U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 8 2013 May 4-7 User Fatigue User Discrimination Fast convergence obtained with few possible fitness values Time Constraint Partial Ordering

9. O UR P ROPOSAL U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 9 2013 May 4-7 1.IEC has been seldomly used in audio processing applications. 2.We believe it to be of practical interest for a wide range of tasks. 3.This is the main reason we are proposing this framework.

10. A PPLICATIONS – G AMES U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 10 2013 May 4-7 A UDIO FOR G AMES

11. A PPLICATIONS – F ORENSIC A UDIO U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 11 2013 May 4-7 F ORENSIC A UDIO (Image property of SoundAndSound)

12. A PPLICATIONS – I MMERSIVE E XPERIENCE U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 12 2013 May 4-7 I MMERSIVE A UDIO (Image property of Integrated Media Systems Center)

13. I NTERACTIVE AEC U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 13 2013 May 4-7

14. T EST S ETUP U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 14 2013 May 4-7

15. T EST S ETUP - W ORKFLOW U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 15 2013 May 4-7 Original Signals IEC Minimization Set 1 Standard Minimization Set 2 Subjective Comparison

16. R ESULTS U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 16 2013 May 4-7

17. C ONCLUSIONS U SER -D RIVEN Q UALITY E NHANCEMENT FOR A UDIO S IGNAL P ROCESSING 17 2013 May 4-7 1.Good results of our framework on AEC. 2.User fatigue is the main drawback to be confronted. 3.Several applications awaits in the future. 4.Possible combination of objective and subjective measurements.

18. T HANKS FOR YOUR ATTENTION ! simone.scardapane@uniroma1.it