example.cc

这是一个从音频信号里提取特征参量的程序

// file: $isip/doc/examples/class/dstr/dstr_example_02/example.cc
// version: $Id: example.cc,v 1.3 2000/12/17 18:15:41 duncan Exp $
//

// isip include files
//
#include <String.h>
#include <Vector.h>

// main program starts here:
//  this example demonstrates reading and writing data structures to a
//  text sof file. the output file will not be deleted so that the user
//  may examine the output upon exiting.
//
int main () {

  // create a string filename that we will write to
  //
  String file(L"dstr_example_02.sof");
  
  // create a Vector of Strings:
  //  the vector has length 3. note that we are using the indexing operator()
  //  to directly access the objects internal to the vector
  //
  String string_0(L"for more information");
  String string_1(L"please see");
  String string_2(L"http://www.isip.msstate.edu/");
  Vector<String> vec_write(3);
  vec_write(0).assign(string_0);
  vec_write(1).assign(string_1);
  vec_write(2).assign(string_2);
   
  // write the Vector to a text Sof file
  //
  Sof text_file;
  text_file.open(file, File::WRITE_ONLY, File::TEXT);
  vec_write.write(text_file, 0);
  text_file.close();
   
  // read the file back in:
  //  the read vector should be identical to the vector we wrote
  //
  text_file.open(file);
  Vector<String> vec_read;
  vec_read.read(text_file, 0);
  text_file.close();

  // print the two vectors
  //
  vec_write.debug(L"vector we wrote");
  Console::put(L"");
  vec_read.debug(L"vector we read");
   
  // exit gracefully
  //
  Integral::exit();
}