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windows-xp/Source/XPSP1/NT/multimedia/media/msacm/gsm610/msgsm610.htm

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  1. <HTML>
  2. <HEAD>
  3. <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-
  4. 1252">
  5. <META NAME="Generator" CONTENT="Microsoft Word 97">
  6. <TITLE>Msgsm610</TITLE>
  7. </HEAD>
  8. <BODY LINK="#0000ff">
  10. <FONT FACE="Verdana" SIZE=5><H2>Msgsm610</H2>
  11. </FONT><FONT FACE="Verdana" SIZE=2>
  12. <P><span style="color:#FF0000;font-size:10pt;font-family:Arial">[This is preliminary
  13. documentation and subject to change.]</span></P>
  15. <H3>SUMMARY</H3></FONT><FONT FACE="Verdana" SIZE=2><P>
  16. Each of the three samples Msfilter, Msgsm610 and Imaadpcm illustrates an implementation of an Audio Compression Manager
  17. (ACM) software codec.
  18. This sample in particular
  19. implements the ETSI GSM 06.10 standard for voice compression. This compression is useful for audio having voice content.
  20. The sample works on both x86 and Alpha platforms. It is 64-bit compliant, but requires the addition of 64-bit
  21. headers before compilation. It builds properly with Microsoft&#174; Visual C&#174; 6.0.
  22. The sample does not support Plug and Play, Power Management, or On Now. These features are not applicable to ACM
  23. software codecs.
  27. <H3>BUILDING THE SAMPLE</H3></FONT><FONT FACE="Verdana"
  28. SIZE=2><P>
  29. Type <b>build</b> in the sample directory. A successful build produces the file Msgsm32.acm.
  32. <H3>CODE TOUR</H3>
  33. <H4>File Manifest</H4>
  34. </FONT><U><PRE>File&#9;&#9;Description
  35. </U>
  36. Codec.c&#9; ACM driver interfaces
  37. Codec.h&#9; header file for Codec.c
  38. Codec.rc&#9;string and dialog resources
  39. Codec.rcv&#9;version resource
  40. Config.c&#9;configuration dialog
  41. Debug.c&#9; debug utilities
  42. Debug.h&#9; header file for Debug.c
  43. Init.c&#9; driver initialization routines
  44. Gsm610.c&#9;the codec algorithm
  45. Gsm610.h&#9;header file for Gsm610.c
  46. Msgsm610.def&#9;module definition file for linker
  47. Oemsetup.inf&#9;sample installation file for the driver
  50. </FONT><P ALIGN="CENTER"><A HREF="#top"><FONT FACE="Verdana" SIZE=2>Top of
  51. page</FONT></A><FONT FACE="Verdana" SIZE=2> </P></FONT>
  52. <TABLE CELLSPACING=0 BORDER=0 WIDTH=624>
  53. <TR><TD VALIGN="MIDDLE" BGCOLOR="#00ffff" HEIGHT=2>
  54. <P></TD>
  55. </TR>
  56. </TABLE>
  58. <FONT FACE="MS Sans Serif" SIZE=1><P>&copy; Microsoft Corporation 1999</FONT><FONT
  59. FACE="Verdana" SIZE=2> </P></FONT></BODY>
  60. </HTML>