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This paper presents new results about the robustness of invariant-integration features (IIF) in noisy conditions. Furthermore, it is shown that a feature-enhancement method known as "powerbias subtraction: for noisy conditions can be combined with the IIF approach to improve its performance in noisy environments while keeping the robustness of the IIFs to mismatching vocal-tract length training-testing conditions. Results of experiments with training on clean speech only as well as experiments with matched-condition training are presented.
|Title of host publication||Proc. Interspeech-2011|
|Number of pages||4|
|Place of Publication||Florence, Italy|
|Publisher||International Speech Communication Association (ISCA)|
|Publication status||Published - 01.08.2011|
|Event||12th Annual Conference of the International Speech Communication Association - Florence, Italy|
Duration: 27.08.2011 → 31.08.2011
Conference number: 92405
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