how to implement the the mel scale filter bank and DCT in matlab... after initial framing and processing of audio signal.??

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I have coded the following from pre-emphasizing and framing. But do not know how to go for Mel Filter Bank Processing and Discrete Cosine Transform.

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Abhishek Ballaney
Abhishek Ballaney on 1 Mar 2018
  1 Comment
Awais Asghar
Awais Asghar on 1 Mar 2018
dear first i want to know about mel scale filter bank. can you help me how i can apply the mel scale filter on my spectrum shown below..

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