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There is a denoise.java file in sphinx4/src/sphinx4/edu/cmu/sphinx/frontend/denoise This file is not included in the frontend. So how should i activate this denoise.java so that noise cancellation gets activated in sphinx4.

soumya yelamali
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  • denoise is included into frontend by default in latest version. You can check autocepstrum for details. – Nikolay Shmyrev Nov 08 '14 at 12:13
  • But in older version we have to explicitly include it.Now i have enabled the denoise.java but have anothe problem.The problem is denoise works only with double precision wav files,but we always provide a single precision wav file .So do you know how to convert the single precision wav files to double precision wav files ?? – soumya yelamali Nov 12 '14 at 03:32
  • I answered this question in http://stackoverflow.com/questions/29059287/how-to-reduce-noise-in-sphinx4-application/29062128#29062128 – Nikolay Shmyrev Mar 15 '15 at 15:08

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