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Recent content by jimmywei

  1. J

    problem with MATLAB wavelet function

    Of couse not, as long as the length is the multiple of the 2^d, where d is the wavelet decomposition level.
  2. J

    How to verify a long series of bits is random or not ?

    For binary, maybe you can try context-based arithmetic coding. You read the bit stream and create a big context table to count the occurance of all combination, within a maximum length, of course. After a long bitstream, if some contexts have a much bigger count than others, that is it.
  3. J

    Which DSP IC is the best ??

    Re: best dsp ic There is no such thing as Best IC. It really depend on the application, such as the MIPS, PM, DM, interface, cost, power. I admit Ti does very well in DSP processor, but doesn't mean always the best choice , and DSP IC covers much more than just processor.
  4. J

    Need:VoiceActivityDetector&ComfortNoiseGenerator-speechC

    Re: Need:VoiceActivityDetector&ComfortNoiseGenerator-spe Isn't it G.729 annex B. I believe every books on speech coding including G.729 will have a brief explanation about this, or you can check out the ITU G.729 document.
  5. J

    What is new in matlab 7 R14?

    Re: Whats new in matlab 7? as far as I know, It support more image format, and fix some bugs in 6.5, like the pgm file generation.

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