Programmer Guide/SPU Reference/UCONV - Revision history

Toni: /* [SPU UCONV X TYP A B OUT Y] */

2011-05-09T12:24:52Z

[SPU UCONV X TYP A B OUT Y]

← Older revision		Revision as of 14:24, 9 May 2011
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	!output !!description !!data type !!value type!!comment		!output !!description !!data type !!value type!!comment
	\|-		\|-
	\|<var>Y</var>\|\|converted input data\|\|same type as <var>A<var>\|\|variable		\|<var>Y</var>\|\|converted input data\|\|same type as <var>A</var>\|\|variable
	\|}		\|}
	;Description:		;Description:

Toni: /* [SPU UCONV X TYP A B OUT Y] */

2011-05-09T12:24:22Z

[SPU UCONV X TYP A B OUT Y]

← Older revision		Revision as of 14:24, 9 May 2011
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	\|<code>20</code>		\|<code>20</code>
	\|Convert from logarithmic to linear scale. Parameter <var>A</var> is used as reference value and <var>B</var> as factor.<BR>		\|Convert from logarithmic to linear scale. Parameter <var>A</var> is used as reference value and <var>B</var> as factor.<BR>
	<math>Y=A \cdot 10^{\frac{A}{B}}</math>		<math>Y=A \cdot 10^{\frac{X}{B}}</math>
	\|-		\|-
	\|<code>7 or HZ2MEL</code>		\|<code>7 or HZ2MEL</code>

Toni: /* [SPU UCONV X TYP A B OUT Y] */

2011-05-09T12:23:52Z

[SPU UCONV X TYP A B OUT Y]

← Older revision		Revision as of 14:23, 9 May 2011
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	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Linear transformation. Parameter <var>A</var> is used as slope and parameter <var>B</var> as offset<BR><math>Y=A.X+B\!</math>		\|Linear transformation. Parameter <var>A</var> is used as slope and parameter <var>B</var> as offset<BR>
			<math>Y=A.X+B\!</math>
	\|-		\|-
	\|<code>1</code> or <code>HZ2CENT</code>		\|<code>1</code> or <code>HZ2CENT</code>
	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Convert frequency from Hertz to Cents. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR><math>Y=1200\cdot\log_2\left (\frac{X}{A}\right )+B</math>		\|Convert frequency from Hertz to Cents. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR>
			<math>Y=1200\cdot\log_2\left (\frac{X}{A}\right )+B</math>
	\|-		\|-
	\|<code>2</code> or <code>CENT2HZ</code>		\|<code>2</code> or <code>CENT2HZ</code>
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	\|<code>1</code>		\|<code>1</code>
	\|<code>20</code>		\|<code>20</code>
	\|Convert from linear to logarithmic scale. Parameter a is used as reference value and <var>b</var> as factor~~: <var>y~~<~~/var~~><~~code~~>=~~</code><var>b</var><code>.log10~~(~~</code><var>x</var><code>/</code><var>a</var><code>~~)</~~code~~>		\|Convert from linear to logarithmic scale. Parameter <var>A</var> is used as reference value and <var>B</var> as factor.<BR>
			<math>Y=B \cdot log_{10} \left (\frac{X}{A} \right )</math>
	\|-		\|-
	\|<code>6</code> or <code>LOG2LIN</code>		\|<code>6</code> or <code>LOG2LIN</code>
	\|<code>1</code>		\|<code>1</code>
	\|<code>20</code>		\|<code>20</code>
	\|Convert from logarithmic to linear scale. Parameter a is used as reference value and <var>b</var> as factor: <~~var~~>y<~~/var><code~~>=~~</code><var>a</var><code>.~~10</~~code><var>x</var><code>/</code><var>b</var~~>		\|Convert from logarithmic to linear scale. Parameter <var>A</var> is used as reference value and <var>B</var> as factor.<BR>
			<math>Y=A \cdot 10^{\frac{A}{B}}</math>
	\|-		\|-
	\|<code>7 or HZ2MEL</code>		\|<code>7 or HZ2MEL</code>

Toni: /* [SPU UCONV X TYP A B OUT Y] */

2011-05-09T12:20:13Z

[SPU UCONV X TYP A B OUT Y]

← Older revision		Revision as of 14:20, 9 May 2011
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	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Convert frequency from Cents to Hertz. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR><~~var~~>Y~~</var><code>~~=~~</code><var>~~A~~</var><code>.~~2~~(</code><var>x</var><code>~~-~~</code><var>b</var><code>)/~~1200</~~code~~>		\|Convert frequency from Cents to Hertz. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR>
			<math>Y=A\cdot 2^{\frac{X-B}{1200}}</math>
	\|-		\|-
	\|<code>3</code> or <code>HZ2BARK</code>		\|<code>3</code> or <code>HZ2BARK</code>

Toni: /* [SPU UCONV X TYP A B OUT Y] */

2011-05-09T12:18:54Z

[SPU UCONV X TYP A B OUT Y]

← Older revision		Revision as of 14:18, 9 May 2011
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	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Convert frequency from Hertz to Cents. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR><~~var~~>Y~~</var>~~=1200~~.log<sub>2</sub>~~(~~<var>~~X~~</var>/<var>~~A~~</var>~~)+~~<var>~~B</~~var~~>		\|Convert frequency from Hertz to Cents. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR><math>Y=1200\cdot\log_2\left (\frac{X}{A}\right )+B</math>
	\|-		\|-
	\|<code>2</code> or <code>CENT2HZ</code>		\|<code>2</code> or <code>CENT2HZ</code>

Toni at 12:17, 9 May 2011

2011-05-09T12:17:23Z

← Older revision		Revision as of 14:17, 9 May 2011
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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	~~====UCONV - amp/frq value conversions====~~		Apply amplitude or frequency scale conversion.
			==<code>[SPU UCONV <var>X TYP A B</var> OUT <var>Y</var>]</code>==
	==~~===Usage:=====~~		{\|class="einrahmen"
			!input !!description !!data type !!value type!!default value
	<code>UCONV <var>~~x type a b~~</var></code>

	~~=====Inputs:===~~==

	{\|
	\|-		\|-
	\|x		\|<var>X</var>\|\|input date\|\|number, vector\|\|variable \|\|
	\|number or vector ~~to be converted~~
	\|-		\|-
	\|~~type~~		\|<var>TYP</var>\|\|conversion (see description)\|\|number (int.), string\|\|constant \|\|<code>0</code>
	\|~~type of~~ conversion
	\|-		\|-
	\|a		\|<var>A, B</var>\|\|conversion parameters (see description)\|\|number\|\|variable \|\|
	\|conversion ~~parameter a~~
	\|-		\|-
	\|b		!output !!description !!data type !!value type!!comment
	~~\|conversion parameter b~~
	\|}

	~~=====Outputs:=====~~

	{\|
	\|-		\|-
	\|<var>y</var>		\|<var>Y</var>\|\|converted input data\|\|same type as <var>A<var>\|\|variable
	\|converted ~~number or vector (~~same type as x)
	\|}		\|}

	;Description:		;Description:
	This atom performs a conversion of the input <var>X</var> (containing physical data) into another unit or domain. The type of conversion is controlled by the selection input <var>TYPE</var> and the parameter inputs <var>A</var> and <var>B</var>. The input data can be stored in a number or vector. If the input is a vector, the conversion is applied to all elements.		This atom performs a conversion of the input <var>X</var> (containing physical data) into another unit or domain. The type of conversion is controlled by the selection input <var>TYPE</var> and the parameter inputs <var>A</var> and <var>B</var>. The input data can be stored in a number or vector. If the input is a vector, the conversion is applied to all elements.
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	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Linear transformation. Parameter <var>A</var> is used as slope and parameter <var>B</var> as offset<BR><~~var~~>Y~~</var>~~=~~<var>~~A~~</var>~~.~~<var>~~X~~</var>~~+~~<var>~~B</~~var~~>		\|Linear transformation. Parameter <var>A</var> is used as slope and parameter <var>B</var> as offset<BR><math>Y=A.X+B\!</math>
	\|-		\|-
	\|<code>1</code> or <code>HZ2CENT</code>		\|<code>1</code> or <code>HZ2CENT</code>
	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Convert frequency from Hertz to Cents. Parameter a is used as reference frequency and <var>b</var> as offset in Cents:<var>y</var~~><code~~>=1200.~~log2(~~</~~code~~><var>x</var~~><code~~>/~~</code>~~<var>a</var~~><code~~>)+~~</code>~~<var>b</var>		\|Convert frequency from Hertz to Cents. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR><var>Y</var>=1200.log<sub>2</sub>(<var>X</var>/<var>A</var>)+<var>B</var>
	\|-		\|-
	\|<code>2</code> or <code>CENT2HZ</code>		\|<code>2</code> or <code>CENT2HZ</code>
	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Convert frequency from Cents to Hertz. Parameter a is used as reference frequency and <var>b</var> as offset in Cents: <var>y</var><code>=</code><var>a</var><code>.2(</code><var>x</var><code>-</code><var>b</var><code>)/1200</code>		\|Convert frequency from Cents to Hertz. Parameter <var>A</var> is used as reference frequency and <var>B</var> as offset in Cents.<BR><var>Y</var><code>=</code><var>A</var><code>.2(</code><var>x</var><code>-</code><var>b</var><code>)/1200</code>
	\|-		\|-
	\|<code>3</code> or <code>HZ2BARK</code>		\|<code>3</code> or <code>HZ2BARK</code>
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	\|Convert from ERB (Equivalent Rectangular Bandwidth) to Hertz. The parameters <var>A</var> and <var>B</var> are ignored.		\|Convert from ERB (Equivalent Rectangular Bandwidth) to Hertz. The parameters <var>A</var> and <var>B</var> are ignored.
	\|}		\|}
			;See also:
			<[[../#Signal Processing Atoms\|SP-atoms]]>
			<!-- AN, 2.5.2011 -->

Toni: /* Outputs: */

2011-05-09T12:09:29Z

Outputs:

← Older revision		Revision as of 14:09, 9 May 2011
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	\|<nowiki>-</nowiki>		\|<nowiki>-</nowiki>
	\|<nowiki>-</nowiki>		\|<nowiki>-</nowiki>
	\|Convert frequency from Hertz to Barks. Uses the transformation published by Zwicker and Fastl (1990). The parameters a and <var>b</var> are ignored.		\|Convert frequency from Hertz to Barks. Uses the transformation published by Zwicker and Fastl (1990). The parameters <var>A</var> and <var>B</var> are ignored.
	\|-		\|-
	\|<code>4</code> or <code>BARK2HZ</code>		\|<code>4</code> or <code>BARK2HZ</code>
	\|<nowiki>-</nowiki>		\|<nowiki>-</nowiki>
	\|<nowiki>-</nowiki>		\|<nowiki>-</nowiki>
	\|Convert frequency from Barks to Hertz. Uses an iteration method that minimizes the distance to the forward conversion algorithm. The parameters a and <var>b</var> are ignored.		\|Convert frequency from Barks to Hertz. Uses an iteration method that minimizes the distance to the forward conversion algorithm. The parameters <var>A</var> and <var>B</var> are ignored.
	\|-		\|-
	\|<code>5</code> or <code>LIN2LOG</code>		\|<code>5</code> or <code>LIN2LOG</code>
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	\|<code>-</code>		\|<code>-</code>
	\|<code>-</code>		\|<code>-</code>
	\|Convert from Hertz to Mel.The parameters a and <var>b</var> are ignored.		\|Convert from Hertz to Mel. The parameters <var>A</var> and <var>B</var> are ignored.
	\|-		\|-
	\|<code>8 or MEL2HZ</code>		\|<code>8 or MEL2HZ</code>
	\|<code>-</code>		\|<code>-</code>
	\|<code>-</code>		\|<code>-</code>
	\|Convert from Mel to Hertz.The parameters a and <var>b</var> are ignored.		\|Convert from Mel to Hertz. The parameters <var>A</var> and <var>B</var> are ignored.
	\|-		\|-
	\|<code>9 or HZ2ERB</code>		\|<code>9 or HZ2ERB</code>
	\|<code>-</code>		\|<code>-</code>
	\|<code>-</code>		\|<code>-</code>
	\|Convert from Hertz to ERB (Equivalent Rectangular Bandwidth).The parameters a and <var>b</var> are ignored.		\|Convert from Hertz to ERB (Equivalent Rectangular Bandwidth). The parameters <var>A</var> and <var>B</var> are ignored.
	\|-		\|-
	\|<code>10 or ERB2HZ</code>		\|<code>10 or ERB2HZ</code>
	\|<code>-</code>		\|<code>-</code>
	\|<code>-</code>		\|<code>-</code>
	\|Convert from ERB (Equivalent Rectangular Bandwidth) to Hertz.The parameters a and <var>b</var> are ignored.		\|Convert from ERB (Equivalent Rectangular Bandwidth) to Hertz. The parameters <var>A</var> and <var>B</var> are ignored.
	\|}		\|}

Toni at 12:07, 9 May 2011

2011-05-09T12:07:10Z

← Older revision		Revision as of 14:07, 9 May 2011
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	\|}		\|}

	~~=====Function~~:~~=====~~		;Description:
			This atom performs a conversion of the input <var>X</var> (containing physical data) into another unit or domain. The type of conversion is controlled by the selection input <var>TYPE</var> and the parameter inputs <var>A</var> and <var>B</var>. The input data can be stored in a number or vector. If the input is a vector, the conversion is applied to all elements.

	~~This atom performs a conversion of the vector~~ <var>x</var> ~~(containing physical data) into another unit or domain. The type of conversion is controlled by the selection input~~ <~~var>type</var~~> ~~and the parameter inputs~~ <var>a</var> ~~and~~ <~~var~~>b</var>~~. The input data can be stored in a number or vector. If the input is a vector, the conversion is applied to all elements.~~		{\|class="einrahmen"
			!<var>TYPE</var>
	~~Conversion type selected by input <var>type~~</var>		!default<BR><var>A</var>
			!default<BR><var>B</var>
	{\|		!applied transformation /conversion
	\|-
	\|
	\|
	\|
	\|
	\|-
	~~\|value of type~~
	~~\|default values~~
	\|applied transformation /conversion
	\|-
	\|a
	\|b
	\|-		\|-
	\|<code>0</code> or <code>LINEAR</code>		\|<code>0</code> or <code>LINEAR</code>
	\|<code>1</code>		\|<code>1</code>
	\|<code>0</code>		\|<code>0</code>
	\|Linear transformation. Parameter a is used as slope and parameter <var>b</var> as offset: <var>y</var~~><code~~>=~~</code>~~<var>a</var~~><code~~>.~~</code>~~<var>x</var~~><code~~>+~~</code>~~<var>b</var>		\|Linear transformation. Parameter <var>A</var> is used as slope and parameter <var>B</var> as offset<BR><var>Y</var>=<var>A</var>.<var>X</var>+<var>B</var>
	\|-		\|-
	\|<code>1</code> or <code>HZ2CENT</code>		\|<code>1</code> or <code>HZ2CENT</code>

Toni: moved Programmer Guide/SPU Reference/UCONV - amp or frq value conversions to Programmer Guide/SPU Reference/UCONV

2011-04-28T10:15:35Z

moved Programmer Guide/SPU Reference/UCONV - amp or frq value conversions to Programmer Guide/SPU Reference/UCONV

← Older revision	Revision as of 12:15, 28 April 2011
(No difference)

Admin: 1 revision: Initial import

2010-11-18T16:31:55Z

1 revision: Initial import

← Older revision	Revision as of 18:31, 18 November 2010
(No difference)