ex5_mult2.mdl

用dsp解压mp3程序的算法

      DoSatur		      off
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      BlockType		      Display
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    Block {
      BlockType		      Display
      Name		      "Display3"
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    Block {
      BlockType		      Display
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    Block {
      BlockType		      Display
      Name		      "Display5"
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      Position		      [470, 296, 640, 334]
      Format		      "long"
      Decimation	      "1"
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    Block {
      BlockType		      Display
      Name		      "Display6"
      Ports		      [1]
      Position		      [280, 489, 420, 521]
      Format		      "long"
      Decimation	      "1"
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    Block {
      BlockType		      Display
      Name		      "Display7"
      Ports		      [1]
      Position		      [275, 600, 420, 630]
      Format		      "long"
      Decimation	      "1"
    }
    Block {
      BlockType		      Display
      Name		      "Display8"
      Ports		      [1]
      Position		      [470, 541, 640, 579]
      Format		      "long"
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    Block {
      BlockType		      Display
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      Position		      [575, 391, 745, 429]
      Format		      "long"
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    Block {
      BlockType		      Display
      Name		      "Error1"
      Ports		      [1]
      Position		      [570, 161, 740, 199]
      Format		      "long"
      Decimation	      "1"
    }
    Block {
      BlockType		      Product
      Name		      "Multiply"
      Ports		      [2, 1]
      Position		      [370, 60, 410, 100]
      Inputs		      "**"
      ShowAdditionalParam     on
      InputSameDT	      off
      OutDataTypeMode	      "Specify via dialog"
      OutScaling	      "2^-8"
    }
    Block {
      BlockType		      Product
      Name		      "Multiply1"
      Ports		      [2, 1]
      Position		      [380, 285, 420, 325]
      Inputs		      "**"
      ShowAdditionalParam     on
      InputSameDT	      off
      OutDataTypeMode	      "Specify via dialog"
      OutDataType	      "float(16,4)"
      OutScaling	      "2^-15"
    }
    Block {
      BlockType		      Product
      Name		      "Multiply2"
      Ports		      [2, 1]
      Position		      [380, 535, 420, 575]
      Inputs		      "**"
      ShowAdditionalParam     on
      InputSameDT	      off
      OutDataTypeMode	      "Specify via dialog"
      OutDataType	      "float('double')"
      OutScaling	      "2^-15"
      SaturateOnIntegerOverflow	off
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    Block {
      BlockType		      Sum
      Name		      "Sum"
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      Position		      [520, 400, 540, 420]
      ShowName		      off
      IconShape		      "round"
      Inputs		      "|-+"
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
    }
    Block {
      BlockType		      Sum
      Name		      "Sum1"
      Ports		      [2, 1]
      Position		      [525, 170, 545, 190]
      ShowName		      off
      IconShape		      "round"
      Inputs		      "|-+"
      InputSameDT	      off
      OutDataTypeMode	      "Inherit via internal rule"
    }
    Line {
      SrcBlock		      "Constant1"
      SrcPort		      1
      DstBlock		      "Conversion"
      DstPort		      1
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    Line {
      SrcBlock		      "Conversion"
      SrcPort		      1
      Points		      [60, 0]
      Branch {
	Points			[0, -20]
	DstBlock		"Display"
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      }
      Branch {
	Points			[110, 0]
	DstBlock		"Multiply"
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      }
    }
    Line {
      SrcBlock		      "Constant2"
      SrcPort		      1
      DstBlock		      "Conversion1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Conversion1"
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      Points		      [45, 0; 0, -15; 25, 0]
      Branch {
	Points			[-5, 0]
	DstBlock		"Display1"
	DstPort			1
      }
      Branch {
	DstBlock		"Multiply"
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      }
    }
    Line {
      SrcBlock		      "Multiply"
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      Points		      [20, 0]
      Branch {
	Points			[10, 0]
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      }
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	Points			[0, 100]
	DstBlock		"Sum1"
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    }
    Line {
      SrcBlock		      "Constant3"
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    Line {
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      Points		      [0, 0; 60, 0]
      Branch {
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      }
    }
    Line {
      SrcBlock		      "Constant4"
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    }
    Line {
      SrcBlock		      "Conversion3"
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      Points		      [45, 0; 0, -15; 25, 0]
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      Branch {
	Points			[100, 0]
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      }
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    Line {
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      Points		      [0, 5; 20, 0]
      Branch {
	Points			[10, 0]
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      }
      Branch {
	Points			[0, 100]
	DstBlock		"Sum"
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      }
    }
    Line {
      SrcBlock		      "Constant5"
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    }
    Line {
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      Points		      [0, 0; 60, 0]
      Branch {
	Points			[0, -20]
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      Points		      [45, 0; 0, -15; 25, 0]
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    Line {
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      Points		      [25, 0]
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	Points			[-15, 0]
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    Line {
      SrcBlock		      "Sum1"
      SrcPort		      1
      DstBlock		      "Error1"
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    }
    Annotation {
      Name		      "Q.15 Multiplication"
      Position		      [89, 159]
      FontName		      "Arial"
      FontSize		      16
      FontWeight	      "bold"
      FontAngle		      "italic"
    }
    Annotation {
      Name		      "Floating-pt  Multiplication\nusing sfrac(16,4)"
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      FontSize		      16
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      FontAngle		      "italic"
    }
    Annotation {
      Name		      "Double Precision Multiplication"
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      FontName		      "Arial"
      FontSize		      16
      FontWeight	      "bold"
      FontAngle		      "italic"
    }
  }
}