Tone - Revision history

Reel.Deal: add link to avs+ documentation

2022-09-18T04:51:18Z

add link to avs+ documentation

← Older revision		Revision as of 06:51, 18 September 2022
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			<div {{BlueBox2\|40\|0\|3px solid purple}} >
			{{AvsPlusFullname}}<br>
			Up-to-date documentation: [https://avisynthplus.readthedocs.io/en/latest/avisynthdoc/corefilters/tone.html https://avisynthplus.readthedocs.io]
			</div>


	This will generate sound (a waveform) at a given {{FuncArg\|frequency}} for a given {{FuncArg\|length}} of time in seconds.		This will generate sound (a waveform) at a given {{FuncArg\|frequency}} for a given {{FuncArg\|length}} of time in seconds.

Admin: /* Changes */

2016-01-16T20:55:23Z

Changes

← Older revision		Revision as of 22:55, 16 January 2016
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	\|-		\|-
	\| v2.56		\| v2.56
	\| Added Level ~~in v2.56~~.		\| Added Level.
	\|-		\|-
	\| v2.54		\| v2.54

Admin at 20:45, 16 January 2016

2016-01-16T20:45:50Z

← Older revision		Revision as of 22:45, 16 January 2016
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	This will generate sound at a given {{FuncArg\|frequency}} for a given {{FuncArg\|length}} of time in seconds.		This will generate sound (a waveform) at a given {{FuncArg\|frequency}} for a given {{FuncArg\|length}} of time in seconds.

Raffriff42: typo

2016-01-13T21:04:14Z

typo

← Older revision		Revision as of 23:04, 13 January 2016
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	\|}		\|}
	</div>		</div>
	:In the figure above, a sinus is generated (on a gray clip with framerate 24 fps). :The period of the waveform (in frames) is the ''framerate'' divided by ''frequency'' (or fps/freq, which is 24/2=12 frames in our example). The part of the graph which is light-green represents all samples of the frame under consideration (which is frame 1 here). The number of samples in a particular frame is given by the ''samplerate'' divided by the ''framerate'' (which is 48000/24 = 2000 samples in our example).		:In the figure above, a sinus is generated (on a gray clip with framerate 24 fps). The period of the waveform (in frames) is the ''framerate'' divided by ''frequency'' (or fps/freq, which is 24/2=12 frames in our example). The part of the graph which is light-green represents all samples of the frame under consideration (which is frame 1 here). The number of samples in a particular frame is given by the ''samplerate'' divided by the ''framerate'' (which is 48000/24 = 2000 samples in our example).

	:More generally, the waveform above is described by		:More generally, the waveform above is described by

Raffriff42: one more touch-up

2016-01-13T14:47:26Z

one more touch-up

← Older revision		Revision as of 16:47, 13 January 2016
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	:{{Par2\|level\|float\|1.0}}		:{{Par2\|level\|float\|1.0}}
	::The amplitude of the waveform. Default = 1.0 (or 0[[Wikipedia:Decibel\|dB]], the maximum level possible without [[Wikipedia:Clipping_%28audio%29\|clipping]]).		::The amplitude of the waveform. Default = 1.0 (or 0[[Wikipedia:Decibel\|dB]], the maximum level possible without [[Wikipedia:Clipping_%28audio%29\|clipping]]).
	::For a particular decibel level, use the equation {{FuncArg\|level}} = 10<sup> dB / 20</sup>		::For a particular decibel level, use the equation {{FuncArg\|level}} = {{Serif\|10}}<sup> {{Serif\|'''dB''' / 20}}</sup>
	::For example, {{FuncArg\|level}} = 0.251 ~~gives a -12dB tone~~.		::For example, create a -12dB tone with {{FuncArg\|level}} = 10<sup>-12/20</sup> or 0.251.

Raffriff42: formatting, links, equations

2016-01-13T07:05:59Z

formatting, links, equations

← Older revision		Revision as of 09:05, 13 January 2016
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	{{~~Template:FuncDef~~\|~~Tone(float ''~~length~~'', float ''frequency'', int ''samplerate'', int ''channels'', string ''type'', float ''level'')~~}}		This will generate sound at a given {{FuncArg\|frequency}} for a given {{FuncArg\|length}} of time in seconds.

	~~This will generate sound at a given ''frequency'' for a given ''length'' of time in seconds.~~

	;length		{{Template:FuncDef\|Tone( [ float ''length'', float ''frequency'', int ''samplerate'', int ''channels'', string ''type'', float ''level'' ] )}}
	:Length of time in seconds. ~~Default = 10.0.~~
	;frequency		:{{Par2\|length\|float\|10.0}}
	: Tone frequency. ~~Default = 440.~~		::Length of time in seconds.
	;samplerate
	: Audio sample rate. ~~Default = 48000.~~		:{{Par2\|frequency\|float\|440}}
	;channels		::Tone frequency.
	: Number of audio channels. ~~Default = 2.~~
	;type		:{{Par2\|samplerate\|int\|48000}}
	: "Silence", "Sine", "Noise", "Square", "Triangle" or "Sawtooth". ~~Default = "Sine".~~		::Audio sample rate.
	;level
	: The amplitude of the waveform. Default = maximum = 1.0.		:{{Par2\|channels\|int\|2}}
			::Number of audio channels.

			:{{Par2\|type\|string\|"Sine"}}
			::"Silence", "Sine", "Noise", "Square", "Triangle" or "Sawtooth".

			:{{Par2\|level\|float\|1.0}}
			::The amplitude of the waveform. Default = 1.0 (or 0[[Wikipedia:Decibel\|dB]], the maximum level possible without [[Wikipedia:Clipping_%28audio%29\|clipping]]).
			::For a particular decibel level, use the equation {{FuncArg\|level}} = 10<sup> dB / 20</sup>
			::For example, {{FuncArg\|level}} = 0.251 gives a -12dB tone.


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	{\| border=1 cellspacing=0 cellpadding=5		==== Discussion ====
	\| [[Image:Tone.jpg]]		<div style="width:600px; margin:0.5em 0.5em 0.5em 1.5em; border:none;">
			{\| border="0" cellspacing=0 cellpadding=5
			\|style="text-align:left;"\|[[Image:Tone.jpg]]
	\|-		\|-
	\| Tone(frequency=2, samplerate=48000, channels=2, type="sine", level=0.4)		\|style="text-align:left;"\|<tt>Tone(frequency=2, samplerate=48000, channels=2, type="sine", level=0.4)</tt>
	\|}		\|}
	In the figure above, a sinus is generated (on a gray clip with framerate 24 fps). The period of the waveform (in frames) is the framerate divided by ''frequency'' (or fps/freq, which is 24/2=12 frames in our example). The part of the graph which is light-green represents all samples of the frame under consideration (which is frame 1 here). The number of samples in a particular frame is given by the ''samplerate'' divided by the framerate (which is 48000/24 = 2000 samples in our example~~). (Note that the bars are made with [[Histogram]] and the graph with the AudioGraph plugin.)~~		</div>
			:In the figure above, a sinus is generated (on a gray clip with framerate 24 fps). :The period of the waveform (in frames) is the ''framerate'' divided by ''frequency'' (or fps/freq, which is 24/2=12 frames in our example). The part of the graph which is light-green represents all samples of the frame under consideration (which is frame 1 here). The number of samples in a particular frame is given by the ''samplerate'' divided by the ''framerate'' (which is 48000/24 = 2000 samples in our example).
	~~More generally, the waveform above is described by~~

	~~g(n,s) = level * sin(2pi(frequencyn/framerate + sfrequency/samplerate))~~

	~~with "n" the frame and "s" the sample under consideration (note that s runs from 0 to samplerate/framerate - 1~~).

	In the ~~example~~ above, ~~this reduces~~ to		:More generally, the waveform above is described by
			::{{Serif\|''g''(''n,s'')}} = {{Serif\|''level '''·''' sin''(2 '''·''' ''pi '''·''' ''(''frequency '''·''' n ''/'' framerate + s '''·''' frequency'' / ''samplerate''))}}
			:with {{Serif\|''n''}} the frame and {{Serif\|''s''}} the sample under consideration (note that {{Serif\|''s''}} runs from 0 to samplerate/framerate - 1).

	g(n,s) = 0.4 * sin(2pi(2n/24 + s2/48000))		:In the example above, this reduces to
			::{{Serif\|''g''(''n,s'')}} = {{Serif\|0.4 '''·''' ''sin''(2 '''·''' ''pi '''·''' ''(2 '''·''' ''n ''/ 24 ''+ s '''·''' ''2 / 48000))}}
			:with {{Serif\|''n''}} the frame and {{Serif\|''s''}} the sample under consideration (note that {{Serif\|''s''}} runs from 0 to 1999).

	with ~~"n"~~ the ~~frame and "s"~~ the ~~sample under consideration (note that s runs from 0 to 1999)~~.		:Note that the bars are made with [[Histogram]] and the graph with the [[AudioGraph]] plugin.

			==== Examples ====
			:[http://forum.doom9.org/showthread.php?t=172979 ''We Wish You a Merry Christmas''], in harmony (author hanzfrunz)

	~~'''~~Changes~~:'''~~		==== Changes ====
	{\| border="1"		{\| border="1"
	\|-		\|-

Raffriff42: note re: default sample_type

2015-09-05T20:27:29Z

note re: default sample_type

← Older revision		Revision as of 22:27, 5 September 2015
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	;level		;level
	: The amplitude of the waveform. Default = maximum = 1.0.		: The amplitude of the waveform. Default = maximum = 1.0.


			The audio sample type is '''32-bit float'''. Use [[ConvertAudio]] if this is not what you want.

Raffriff42: added category:Debugging/Diagnostic_filters

2015-06-03T22:34:54Z

added category:Debugging/Diagnostic_filters

← Older revision		Revision as of 00:34, 4 June 2015
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	[[Category:Internal filters]]		[[Category:Internal filters]]
			[[Category:Debugging/Diagnostic filters]]

Raffriff42: formatting

2014-11-07T19:45:03Z

formatting

← Older revision		Revision as of 21:45, 7 November 2014
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	{{Template:FuncDef\|Tone(float ''length'', float ''frequency'', int ''samplerate'', int ''channels'', string ''type'', float ''level'')}}		{{Template:FuncDef\|Tone(float ''length'', float ''frequency'', int ''samplerate'', int ''channels'', string ''type'', float ''level'')}}

	This will generate sound at a given ''frequency'' for a given ''length'' of time in seconds. ~~''Type'' can be~~ "Silence", "Sine" ~~(default)~~, "Noise", "Square", "Triangle" or "Sawtooth". ''level~~'' is the~~ amplitude of the waveform ~~(which is maximal if level~~=1.0).		This will generate sound at a given ''frequency'' for a given ''length'' of time in seconds.

			;length
			:Length of time in seconds. Default = 10.0.
			;frequency
			: Tone frequency. Default = 440.
			;samplerate
			: Audio sample rate. Default = 48000.
			;channels
			: Number of audio channels. Default = 2.
			;type
			: "Silence", "Sine", "Noise", "Square", "Triangle" or "Sawtooth". Default = "Sine".
			;level
			: The amplitude of the waveform. Default = maximum = 1.0.

	~~Defaults are Tone(10.0, 440, 48000, 2, "sine", 1.0).~~

	{\| border=1 cellspacing=0 cellpadding=5		{\| border=1 cellspacing=0 cellpadding=5
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	\| Tone(frequency=2, samplerate=48000, channels=2, type="sine", level=0.4)		\| Tone(frequency=2, samplerate=48000, channels=2, type="sine", level=0.4)
	\|}		\|}

	In the figure above, a sinus is generated (on a gray clip with framerate 24 fps). The period of the waveform (in frames) is the framerate divided by ''frequency'' (or fps/freq, which is 24/2=12 frames in our example). The part of the graph which is light-green represents all samples of the frame under consideration (which is frame 1 here). The number of samples in a particular frame is given by the ''samplerate'' divided by the framerate (which is 48000/24 = 2000 samples in our example). (Note that the bars are made with [[Histogram]] and the graph with the AudioGraph plugin.)		In the figure above, a sinus is generated (on a gray clip with framerate 24 fps). The period of the waveform (in frames) is the framerate divided by ''frequency'' (or fps/freq, which is 24/2=12 frames in our example). The part of the graph which is light-green represents all samples of the frame under consideration (which is frame 1 here). The number of samples in a particular frame is given by the ''samplerate'' divided by the framerate (which is 48000/24 = 2000 samples in our example). (Note that the bars are made with [[Histogram]] and the graph with the AudioGraph plugin.)

Admin: no latex installed

2013-12-28T15:18:36Z

no latex installed

← Older revision		Revision as of 17:18, 28 December 2013
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	More generally, the waveform above is described by		More generally, the waveform above is described by

	g(n,s) = level * sin(2\pi(frequencyn/framerate + s*frequency/samplerate))		g(n,s) = level * sin(2pi(frequencyn/framerate + sfrequency/samplerate))

	with "n" the frame and "s" the sample under consideration (note that s runs from 0 to samplerate/framerate - 1).		with "n" the frame and "s" the sample under consideration (note that s runs from 0 to samplerate/framerate - 1).
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	In the example above, this reduces to		In the example above, this reduces to

	g(n,s) = 0.4 * sin(2\pi(2n/24 + s*2/48000))		g(n,s) = 0.4 * sin(2pi(2n/24 + s2/48000))

	with "n" the frame and "s" the sample under consideration (note that s runs from 0 to 1999).		with "n" the frame and "s" the sample under consideration (note that s runs from 0 to 1999).

← Older revision		Revision as of 16:47, 13 January 2016
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	:{{Par2\|level\|float\|1.0}}		:{{Par2\|level\|float\|1.0}}
	::The amplitude of the waveform. Default = 1.0 (or 0[[Wikipedia:Decibel\|dB]], the maximum level possible without [[Wikipedia:Clipping_%28audio%29\|clipping]]).		::The amplitude of the waveform. Default = 1.0 (or 0[[Wikipedia:Decibel\|dB]], the maximum level possible without [[Wikipedia:Clipping_%28audio%29\|clipping]]).
	::For a particular decibel level, use the equation {{FuncArg\|level}} = 10<sup> dB / 20</sup>		::For a particular decibel level, use the equation {{FuncArg\|level}} = {{Serif\|10}}<sup> {{Serif\|'''dB''' / 20}}</sup>
	::For example, {{FuncArg\|level}} = 0.251 ~~gives a -12dB tone~~.		::For example, create a -12dB tone with {{FuncArg\|level}} = 10<sup>-12/20</sup> or 0.251.