Source code of Windows XP (NT5)
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  1. /******************************************************************************
  2. * vapiIoInt.h *
  3. *-------------*
  4. * I/O library functions for extended speech files (vapi format)
  5. *------------------------------------------------------------------------------
  6. * Copyright (C) 2000 Microsoft Corporation Date: 03/02/00
  7. * All Rights Reserved
  8. *
  9. ********************************************************************* PACOG ***/
  10. #ifndef _VAPIIOINT_H_
  11. #define _VAPIIOINT_H_
  12. #include "vapiIo.h"
  13. unsigned char Alaw2Ulaw(unsigned char ucAVal);
  14. unsigned char Ulaw2Alaw(unsigned char ucUVal);
  15. int Ulaw2Linear (unsigned char ucUVal);
  16. unsigned char Linear2Ulaw(int iPcmVal);
  17. int Alaw2Linear (unsigned char ucAVal);
  18. unsigned char Linear2Alaw(int iPcmVal);
  19. #endif