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Hi, I have a question about buffer function and about fft function.

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Mihajlo
Mihajlo 2024-1-27
评论： Mihajlo 2024-1-28
If someone can help me, I would like to write equal functions in C language. Thanks.

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Walter Roberson
Walter Roberson 2024-1-27
Buffer without overlap is easy.
  • take the length of the signal
  • do an integer division by the buffer length to get the number of buffers
  • take the signal length modula the buffer length
  • if the modula is non-zero add one to the number of buffers
  • allocate a chunk of memory that is (number of buffers times buffer length) long.
  • memcpy the signal into the buffer
  • if the modulo of the signal length and the buffer was non-zero then initialize the rest of the buffer to zero

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