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All figures (14)
Table 1. Test Cases.
Figure 5. a) ANC setup picture with background speaker and reference microphone in the near-field and array in the far-field, and b) Point source speaker with copper extension tube installed.
Figure 12. Array averaged autospectra for Case 3.
Figure 6. Center array microphone autospectra for Case 1.
Figure 11. DAMAS results for Case 2 (8.4 kHz, SNR = -3.6 dB).
Figure 10. Beamform results for Case 2 (8.4 kHz, SNR = -3.6 dB).
Figure 16. Beamform results for Case 4 (8.4 kHz, SNR = -3.6 dB).
Figure 17. DAMAS results for Case 4 (8.4 kHz, SNR = -3.6 dB).
Figure 15. Array averaged autospectra for Case 4.
Figure 7. Beamform results for Case 1 (6.3 kHz, SNR = -29.2 dB).
Figure 14. DAMAS results for Case 3 (6.3 kHz, SNR = -29.2 dB).
Figure 13. Beamform results for Case 3 (6.3 kHz, SNR = -29.2 dB).
Figure 8. DAMAS results for Case 1 (6.3 kHz, SNR = -29.2 dB).
Figure 9. Center array microphone autospectra for Case 2.
Proceedings Article
•
DOI
•
A Background Noise Reduction Technique using Adaptive Noise Cancellation for Microphone Arrays
[...]
Taylor B. Spalt
1
,
Chris R. Fuller
1
,
Thomas F. Brooks
2
,
William M. Humphreys
2
•
Institutions (2)
Virginia Tech
1
,
Langley Research Center
2
06 Jun 2011
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