Programmer Guide/Command Reference/EVAL/f0ac - Revision history

Toni at 08:52, 1 October 2015

2015-10-01T08:52:37Z

← Older revision		Revision as of 10:52, 1 October 2015
Line 15:		Line 15:
	:;<var>costVUV</var>:voiced/unvoiced transition cost (default=0.2)		:;<var>costVUV</var>:voiced/unvoiced transition cost (default=0.2)
	;Result: The f0 vector. The vector contains the f0 values in Hz. The vector length depends mainly on the length of the signal vector ''x'' and the hopsize ''dt''. For unvoiced frames the f0 values are set to zero.		;Result: The f0 vector. The vector contains the f0 values in Hz. The vector length depends mainly on the length of the signal vector ''x'' and the hopsize ''dt''. For unvoiced frames the f0 values are set to zero.
	;See also: [[../formants\|formants]], [[Programmer_Guide/SPU_Reference/F0AC]]		;See also: [[../formants\|formants]], [[Programmer_Guide/SPU_Reference/F0AC\|SPU F0AC]]

	[[../#Functions\|<function list>]]		[[../#Functions\|<function list>]]

Toni at 13:27, 20 April 2011

2011-04-20T13:27:08Z

← Older revision		Revision as of 15:27, 20 April 2011
Line 5:		Line 5:
	:;<var>sr</var>:sampling rate in Hertz.		:;<var>sr</var>:sampling rate in Hertz.
	:;<var>dt</var>:analysis hopsize in seconds; If this argument equals '''0''', the hopsize is set to <code>''nppw'' / ''minf0'' / 4</code> (default=0)		:;<var>dt</var>:analysis hopsize in seconds; If this argument equals '''0''', the hopsize is set to <code>''nppw'' / ''minf0'' / 4</code> (default=0)
	:;<var>minf0</var>minimum f0 in Hz (default=75)		:;<var>minf0</var>:minimum f0 in Hz (default=75)
	:;<var>maxf0</var>maximum f0 in Hz (default=400)		:;<var>maxf0</var>:maximum f0 in Hz (default=400)
	:;<var>nppw</var>number of f0 periods per analysis window (default=3)		:;<var>nppw</var>:number of f0 periods per analysis window (default=3)
	:;<var>nMaxCandidates</var>:maximum number of f0 candidates (default=15)		:;<var>nMaxCandidates</var>:maximum number of f0 candidates (default=15)
	:;<var>thSilence</var>:silence threshold (default=0.05)		:;<var>thSilence</var>:silence threshold (default=0.05)
	:;<var>thVoice</var>:voicing threshold (default=0.4)		:;<var>thVoice</var>:voicing threshold (default=0.4)
	:;<var>costOct</var>:octave cost (default=0.01)		:;<var>costOct</var>:octave cost (default=0.01)
	:;<var>costOctJump</var>octave jump cost (default=0.4)		:;<var>costOctJump</var>:octave jump cost (default=0.4)
	:;<var>costVUV</var>:voiced/unvoiced transition cost (default=0.2)		:;<var>costVUV</var>:voiced/unvoiced transition cost (default=0.2)
	;Result: The f0 vector. The vector contains the f0 values in Hz. The vector length depends mainly on the length of the signal vector ''x'' and the hopsize ''dt''. For unvoiced frames the f0 values are set to zero.		;Result: The f0 vector. The vector contains the f0 values in Hz. The vector length depends mainly on the length of the signal vector ''x'' and the hopsize ''dt''. For unvoiced frames the f0 values are set to zero.

Toni at 13:26, 20 April 2011

2011-04-20T13:26:44Z

← Older revision		Revision as of 15:26, 20 April 2011
Line 15:		Line 15:
	:;<var>costVUV</var>:voiced/unvoiced transition cost (default=0.2)		:;<var>costVUV</var>:voiced/unvoiced transition cost (default=0.2)
	;Result: The f0 vector. The vector contains the f0 values in Hz. The vector length depends mainly on the length of the signal vector ''x'' and the hopsize ''dt''. For unvoiced frames the f0 values are set to zero.		;Result: The f0 vector. The vector contains the f0 values in Hz. The vector length depends mainly on the length of the signal vector ''x'' and the hopsize ''dt''. For unvoiced frames the f0 values are set to zero.
	;See also: [[../formants\|formants]], [[Programmer_Guide/SPU_Reference/~~F0TH~~]]		;See also: [[../formants\|formants]], [[Programmer_Guide/SPU_Reference/F0AC]]

	[[../#Functions\|<function list>]]		[[../#Functions\|<function list>]]

Toni at 13:25, 20 April 2011

2011-04-20T13:25:43Z

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:{{SUBPAGENAME}}}}
-F0 detection using autocorrelation, as described by Paul Boersma (1993: Accurate Short-Term Analysis of the Fundamental Frequency and the Harmonics-To-Noise Ratio of a Sampled Sound. Proceedings of the IFA. Vol 17. pp 97-110).
+This function implements a F0 detection algorithm using autocorrelation, as described by Paul Boersma (1993: Accurate Short-Term Analysis of the Fundamental Frequency and the Harmonics-To-Noise Ratio of a Sampled Sound. Proceedings of the IFA. Vol 17. pp 97-110).
-=====Usage:=====
+[[../#Functions|<function list>]]

Toni at 13:10, 20 April 2011

2011-04-20T13:10:21Z

← Older revision		Revision as of 15:10, 20 April 2011
Line 1:		Line 1:
	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	~~=====f0ac=====~~

	F0 detection using autocorrelation, as described by Paul Boersma (1993: Accurate Short-Term Analysis of the Fundamental Frequency and the Harmonics-To-Noise Ratio of a Sampled Sound. Proceedings of the IFA. Vol 17. pp 97-110).		F0 detection using autocorrelation, as described by Paul Boersma (1993: Accurate Short-Term Analysis of the Fundamental Frequency and the Harmonics-To-Noise Ratio of a Sampled Sound. Proceedings of the IFA. Vol 17. pp 97-110).

Admin: 1 revision: Initial import

2010-11-18T16:31:43Z

1 revision: Initial import

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

193.171.195.8: initial import

2010-05-17T13:05:27Z

initial import

New page

{{DISPLAYTITLE:{{SUBPAGENAME}}}}
=====f0ac=====

F0 detection using autocorrelation, as described by Paul Boersma (1993: Accurate Short-Term Analysis of the Fundamental Frequency and the Harmonics-To-Noise Ratio of a Sampled Sound. Proceedings of the IFA. Vol 17. pp 97-110).

=====Usage:=====

<code>f0ac(<var>x</var>, <var>sr</var>, <var>hopsize</var>, <var>minf0</var>, <var>maxf0</var>, <var>nppw</var>, <var>nMaxCandidates</var>, <var>thSilence</var>, <var>thVoice</var>, <var>costOct</var>, <var>costOctJump</var>, <var>costVUV</var>)</code>

=====Parameters:=====

;<var>x</var>

:The signal vector.

;<var>sr</var>

:The sampling rate in Hertz.

;<var>hopsize</var>

:The hop size in seconds. The default is <code>0</code>.

;<var>minf0</var>

:The minimum f0 in Hertz. The default is <code>75</code>.

;<var>maxf0</var>

:The maximum f0 in Hertz. The default is <code>400</code>.

;<var>nppw</var>

:The number of periods per window. The default is <code>3</code>.

;<var>nMaxCandidates</var>

:The maximum number of candidates. The default is <code>15</code>.

;<var>thSilence</var>

:The silence threshold. The default is <code>0.05</code>.

;<var>thVoice</var>

:The voicing threshold. The default is <code>0.4</code>.

;<var>costOct</var>

:The octave cost. The default is <code>0.01</code>.

;<var>costOctJump</var>

:The octave jump cost. The default is <code>0.4</code>.

;<var>costVUV</var>

:The voiced/unvoiced transition cost. The default is <code>0.2</code>.

=====Result:=====

An f0 vector in Hertz.