SuperEQ - Revision history

Reel.Deal: add link to avs+ documentation

2022-09-18T04:54:42Z

add link to avs+ documentation

Raffriff42: correction: float only

2017-07-06T10:54:37Z

correction: float only

Raffriff42: note AVS+ differences

2017-07-04T23:05:15Z

note AVS+ differences

Admin: /* Requirements */

2016-06-21T15:28:45Z

‎Requirements

Admin: /* Preset Files */

2016-06-21T14:15:54Z

‎Preset Files

Admin: /* Preset Files */

2016-06-21T14:14:20Z

‎Preset Files

Admin: /* Syntax and Parameters */

2016-06-21T14:07:35Z

‎Syntax and Parameters

Admin: /* Syntax and Parameters */

2016-06-21T14:03:19Z

‎Syntax and Parameters

Admin at 13:59, 21 June 2016

2016-06-21T13:59:17Z

Admin at 16:02, 15 May 2016

2016-05-15T16:02:32Z

← Older revision		Revision as of 04:54, 18 September 2022
Line 1:		Line 1:
	<div style="max-width:64em" >		<div style="max-width:64em" >
		+	<div {{BlueBox2\|40\|0\|3px solid purple}} >
		+	{{AvsPlusFullname}}<br>
		+	Up-to-date documentation: [https://avisynthplus.readthedocs.io/en/latest/avisynthdoc/corefilters/supereq.html https://avisynthplus.readthedocs.io]
		+	</div>
		+
		+
	'''Equalization''' (British: equalisation, '''EQ''' for short) is the process of adjusting the balance between frequency components within an electronic signal. The most well known use of equalization is in sound recording and reproduction but there are many other applications in electronics and telecommunications. The circuit or equipment used to achieve equalization is called an ''equalizer''. These devices boost or cut the energy of specific frequency bands. (source: [http://en.wikipedia.org/wiki/Equalization_%28audio%29 wikipedia:Equalization])		'''Equalization''' (British: equalisation, '''EQ''' for short) is the process of adjusting the balance between frequency components within an electronic signal. The most well known use of equalization is in sound recording and reproduction but there are many other applications in electronics and telecommunications. The circuit or equipment used to achieve equalization is called an ''equalizer''. These devices boost or cut the energy of specific frequency bands. (source: [http://en.wikipedia.org/wiki/Equalization_%28audio%29 wikipedia:Equalization])

@@ Line 15: / Line 15: @@
 :{{Par2|clip|clip|}}
 ::Source clip. Audio is always converted to [[Float]].
-::{{AvsPluscon}} no conversion is performed. Accepts 16-bit or Float audio (although Float is recommended)
+::{{AvsPluscon}} no conversion is performed. Accepts [[Float]] audio only.
 :{{Par2|filename|string|}}

@@ Line 12: / Line 12: @@
 |SuperEQ(clip, string filename)
 }}
 :{{Par2|filename|string|}}
@@ Line 23: / Line 27: @@
 ::Set EQ bands within your script (see [[#Band_Gain_Arguments|Band Gain Arguments]] below).
 </div>
@@ Line 120: / Line 123: @@
 '''Example 2:''' ''Boost midrange (speech) using {{FuncArg|band}} arguments''
 <div {{BoxWidthIndent|36|2}} >
   SuperEQ(
   \   0,  [*     0 -    65  *]

@@ Line 157: / Line 157: @@
 == Requirements ==
 <div style="max-width:68em" >
-This plugin is optimized for processors which have cache equal to or greater than 128k bytes (16383*2*sizeof(float) = 128k). This plugin won't work efficiently with K6 series processors.
+This filter is optimized for processors which have cache equal to or greater than 128k bytes (16383*2*sizeof(float) = 128k). This plugin won't work efficiently with K6 series processors.
 </div>
 == Changes ==

@@ Line 107: / Line 107: @@
   *comment*
-  (text after the first 18 non-empty lines ignored)
+  (text after the first 18 non-empty lines will be ignored)
 </div>
 To give a very rough indication of the frequency response of the above example, here is a screenshot of an [http://audacityteam.org/ Audacity] spectrum analysis of processed [http://en.wikipedia.org/wiki/White_noise white noise] (which should be approximately flat without equalization, allowing for low-frequency variability)

@@ Line 77: / Line 77: @@
 {{NotaBene3|A ''Preset'' file is a text file with a positive or negative integer on each line. Nothing else is allowed on the line, except white space. Empty (blank) lines are ignored. Each line sets the gain in [http://en.wikipedia.org/wiki/Decibel decibels] for a frequency band. All text after the first 18 non-empty lines is ignored, allowing you to add comments to the file.}}
-Preset files can be found in your \AviSynth25\Examples folder (Equalizer Presets.zip), available online [http://avisynth2.cvs.sourceforge.net/viewvc/avisynth2/avisynth/distrib/Examples/Equalizer%20Presets.zip here], or may be found by searching the Web for "foobar2000 presets."
+Preset files can be found in your \AviSynth\Examples folder (Equalizer Presets.zip), available online [http://avisynth2.cvs.sourceforge.net/viewvc/avisynth2/avisynth/distrib/Examples/Equalizer%20Presets.zip here], or may be found by searching the Web for "foobar2000 presets."
 {{HiddenH5|Example: Using a Preset file}}

@@ Line 23: / Line 23: @@
 ::Set EQ bands within your script (see [[#Band_Gain_Arguments|Band Gain Arguments]] below).
-In both cases, the audio will be converted to float before processing.
+In both formats, the audio will be converted to float before processing.
 </div>

@@ Line 14: / Line 14: @@
 :{{Par2|filename|string|}}
-::Set EQ bands from a preset file (see [[#Preset_Files|Preset Files]] below)
+::Set EQ bands from a preset file (see [[#Preset_Files|Preset Files]] below).
 {{FuncDef
@@ Line 21: / Line 21: @@
 :{{Par2|band1, ..., band18|int|}}
-::Set EQ bands within your script (see [[#Band_Gain_Arguments|Band Gain Arguments]] below)
+::Set EQ bands within your script (see [[#Band_Gain_Arguments|Band Gain Arguments]] below).
 In both cases, the audio will be converted to float before processing.
@@ Line 154: / Line 154: @@
 :''(shown being fed a 400 Hz tone)''
 </div>
 == Requirements ==

@@ Line 2: / Line 2: @@
 '''Equalization''' (British: equalisation, '''EQ''' for short) is the process of adjusting the balance between frequency components within an electronic signal. The most well known use of equalization is in sound recording and reproduction but there are many other applications in electronics and telecommunications. The circuit or equipment used to achieve equalization is called an ''equalizer''. These devices boost or cut the energy of specific frequency bands. (source: [http://en.wikipedia.org/wiki/Equalization_%28audio%29 wikipedia:Equalization])
-'''SuperEQ''' (''Shibatch Super Equalizer'') is a [http://en.wikipedia.org/wiki/Equalization_%28audio%29#Graphic_equalizer graphic] equalizer, originally created as a plugin for Winamp by [http://shibatch.sourceforge.net/ Naoki Shibata]. SuperEQ uses 16383th order [http://en.wikipedia.org/wiki/Finite_impulse_response FIR] filters using [http://en.wikipedia.org/wiki/Fast_Fourier_transform FFT]. Its equalization is very precise. Note that unlike traditional equalizers, there is very little [http://en.wikipedia.org/wiki/Roll-off roll-off] or overlap between the bands.
+'''SuperEQ''' (''Shibatch Super Equalizer'') is a [http://en.wikipedia.org/wiki/Equalization_%28audio%29#Graphic_equalizer graphic equalizer], originally created as a plugin for Winamp by [http://shibatch.sourceforge.net/ Naoki Shibata]. SuperEQ uses 16383th order [http://en.wikipedia.org/wiki/Finite_impulse_response FIR] filters using [http://en.wikipedia.org/wiki/Fast_Fourier_transform FFT]. Its equalization is very precise. Note that unlike traditional equalizers, there is very little [http://en.wikipedia.org/wiki/Roll-off roll-off] or overlap between the bands.
 </div>

@@ Line 17: / Line 17: @@
 {{FuncDef
-|SuperEQ(clip, float ''band1'' [, float ''band2'', ..., float ''band18'' ] )
+|SuperEQ(clip, int ''band1'' [, int ''band2'', ..., int ''band18'' ] )
 }}
-:{{Par2|band1, ..., band18|float|}}
+:{{Par2|band1, ..., band18|int|}}
 ::Set EQ bands within your script (see [[#Band_Gain_Arguments|Band Gain Arguments]] below)
@@ Line 115: / Line 115: @@
 ==== Band Gain Arguments ====
 <div style="max-width:68em" >
-From Avisynth version 2.60, '''band gain arguments''' allow all 18 {{FuncArg|bands}} to be set within your script, instead of requiring a preset file. The values are specified in decibels, in floating point or integer format.
+From Avisynth version 2.60, '''band gain arguments''' allow all 18 {{FuncArg|bands}} to be set within your script, instead of requiring a preset file. The values are specified in decibels (in integer format).
 {{HiddenH5|Example: Using ''band'' arguments}}
@@ Line 164: / Line 164: @@
 == Changes ==
 {| border="1"
 |-
 | v2.60