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HASQUE_W Development tool for audio systems
Hearing Adequate Signal Quality Estimation
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Test conditions
The evaluation of signal processing systems requires various test cases as…
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3. COPYRIGHT © All rights reserved by Sound acoustics Germany
Test conditions
The evaluation of signal processing systems requires various test cases as…
Various speakers
Male
Female
Different languages
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4. COPYRIGHT © All rights reserved by Sound acoustics Germany
Test conditions
The evaluation of signal processing systems requires various test cases as…
Various speakers
Male
Female
Different languages
Various distortions
Echoes (acoustic and line)
Reverberation
Non linear distortions
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5. COPYRIGHT © All rights reserved by Sound acoustics Germany
Test conditions
The evaluation of signal processing systems requires various test cases as…
Various environment noise
Street
Car
Airport
People
Clean
Various speakers
Male
Female
Different languages
Various distortions
Echoes (acoustic and line)
Reverberation
Non linear distortions
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6. COPYRIGHT © All rights reserved by Sound acoustics Germany
Test conditions
The evaluation of signal processing systems requires various test cases as…
Various bandwidth limitations
Various environment noise
Street
Car
Airport
People
Clean
Various speakers
Male
Female
Different languages
Various distortions
Echoes (acoustic and line)
Reverberation
Non linear distortions
This requires a lot of expensive subjective listening tests
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7. HASQUE_W Development tool for audio systems
How long do you need for the
evaluation of the quality enhancement of a new system
based on 64 test cases
for a reliable statement?
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8. HASQUE_W Development tool for audio systems
needs 2 minutes simulation time
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9. HASQUE results after 2 minutes simulation
Quality measures of various test cases at one sight
Bandwidth
Street
Car
BW +Car
Bandwidth
Street
Car
BW +Car
Female speaker
Male speaker
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10. HASQUE_W Development tool for audio systems
A lot of valuable add on information
about the signal properties
becomes possible
with this tool
All following figures are created by HASQUE_W ->
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11. Quality measures of various test cases at one sight
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12. Legend: Overall averaged MOS and distortion levels of all test cases
Quality measures of all test cases at one sight
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13. Selection of test case results 5
Legend: Quality measures and distortions of the selected test cases
Selection of test case results 5
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14. Selection of test case results 5
Legend: Quality measures and distortions of the selected test cases
Selection of test case results 5
Fast access for sound play of each selected test case
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15. Selection of test case results 6
Legend: Quality measures and distortions of the selected test cases
Selection of test case results 6
Fast access for sound play of each selected test case
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16. Selection of test case results 8
Fast access for sound play of each selected test case
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Immediate access to pcm representation
PCM signals of test 5
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Immediate access to pcm representation
PCM signals of test 6
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19. COPYRIGHT © All rights reserved by Sound acoustics Germany
Immediate access to pcm representation
PCM signals of test 8
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20. Audible distortions test 5
Immediate access to the representation of audible distortion
Audible distortions test 5
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21. Selection of the most significant distortions of test 5
Zooming of most significant distortions for individual frequency analysis or sound play
Selection of the most significant distortions of test 5
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22. The corresponding PCM signals of test 5
Zooming of most significant distortions for individual frequency analysis or sound play
The corresponding PCM signals of test 5
Zoomed Audible distortions test 5
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23. Audible distortions test 6
Immediate access to the representation of audible distortion
Audible distortions test 6
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24. Audible distortions test 7
Immediate access to the representation of audible distortion
Audible distortions test 7
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25. Complete speech spectra of test 5
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26. Zoomed speech spectra of test 5 (Critical bands 9 and 10)
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27. Zoomed speech spectra of test5
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28. Zoomed speech spectra of test 6
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29. Zoomed speech spectra of test 7
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30. Complete pause spectra of test 5
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31. Zoomed pause spectra of test 5
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32. Zoomed pause spectra of test 6
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33. Zoomed pause spectra of test 7
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34. Individual selections in time domain for individual frequency analysis
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35. MOS matched spectral analysis
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36. Spectral analysis with high time resolution
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37. Spectral analysis with high frequency resolution
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38. Zoomed spectra with high frequency resolution
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39. Original test cases with time and gain shift
Observation of time and gain shifts between reference and two test signals
Original test cases with time and gain shift
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40. Time aligned test cases
Observation of time and gain shifts between reference and two test signals
Time aligned test cases
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41. Time and gain aligned test cases
Observation of time and gain shifts between reference and two test signals
Time and gain aligned test cases
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42. HASQUE-W Effort
Real effort for the simulation of former tests < 2 minutes !
Estimated effort with HASQUE_W versus manual operation with subj. listening tests
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