發送短信 : Implementation of a switched fast affine projection-normalized least mean square algorithm in the TMSC542 DSK for acoustic and line echo cancellation

  ______     ___      _____     _____    ______   
 /_   _//   / _ \\   / ____||  |  ___|| |      \\ 
   | ||    / //\ \\ / //---`'  | ||__   |  --  // 
  _| ||   |  ___  ||\ \\___    | ||__   |  --  \\ 
 /__//    |_||  |_|| \_____||  |_____|| |______// 
 `--`     `-`   `-`   `----`   `-----`  `------`