EmoVoice: Transformation of Speech Emotions - Revision history

David at 15:58, 21 October 2007

2007-10-21T15:58:57Z

← Older revision		Revision as of 15:58, 21 October 2007
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	The following demos are available:		The following demos are available:

	* [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/computations2.html Computation of speech parameters]<br/>Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 3.		* [http://www.l2f.inesc-id.pt/demos/EmoVoice/computations2.html Computation of speech parameters]<br/>Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 3.
	* [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/parameters.html Transformation of speech parameters]<br/>Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.		* [http://www.l2f.inesc-id.pt/demos/EmoVoice/parameters.html Transformation of speech parameters]<br/>Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.
	* [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/emotions.html Transformation of speech emotions]<br/>Transforms speech upon the selected emotion.		* [http://www.l2f.inesc-id.pt/demos/EmoVoice/emotions.html Transformation of speech emotions]<br/>Transforms speech upon the selected emotion.

	== Utterance ==		== Utterance ==
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	=== Pitchmarks ===		=== Pitchmarks ===

	You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/parametros/arctic_a0001m.pm arctic_a0001m.pm]. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.		You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file [http://www.l2f.inesc-id.pt/demos/EmoVoice/parametros/arctic_a0001m.pm arctic_a0001m.pm]. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.

	=== Prosodic parameters ===		=== Prosodic parameters ===

	* '''Pitch'''<br/>Pitch frequency is equivalent to the fundamental frequency F0. You can select to tranform the mean value of the original pitch contour or to upload a file with the pretended pitch contour. The text file for upload must have two columns, the first with the time instants and the second with the F0 values. This is an example of the pitch contour file [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/parametros/arctic_a0001m.f0 arctic_a0001m.f0]. In case of modifying the mean value of the original pitch contour the transformation factor must be given in percentage of the pitch. For example, a transformation factor of 0.5 is equivalent to increase the mean pitch value in 50%. Thus, a transformation factor equal to 1 doubles the mean pitch while if it is equal to -0.5 the mean pitch is halved. The lower bownd value is -1. We recommend the transformation factor is between -0.5 to 1.5 to avoid audible artefacts due to distortion of the speech signal. To compute the new pitch contour first the mean pitch value is calculated and it is subtracted to the pitch contour to obtain the time-varying component of the pitch. Then the mean pitch is multiplied by the absolute transformation factor (transformation factor in percentage plus 1) and it is added to the time-varying component.		* '''Pitch'''<br/>Pitch frequency is equivalent to the fundamental frequency F0. You can select to tranform the mean value of the original pitch contour or to upload a file with the pretended pitch contour. The text file for upload must have two columns, the first with the time instants and the second with the F0 values. This is an example of the pitch contour file [http://www.l2f.inesc-id.pt/demos/EmoVoice/parametros/arctic_a0001m.f0 arctic_a0001m.f0]. In case of modifying the mean value of the original pitch contour the transformation factor must be given in percentage of the pitch. For example, a transformation factor of 0.5 is equivalent to increase the mean pitch value in 50%. Thus, a transformation factor equal to 1 doubles the mean pitch while if it is equal to -0.5 the mean pitch is halved. The lower bownd value is -1. We recommend the transformation factor is between -0.5 to 1.5 to avoid audible artefacts due to distortion of the speech signal. To compute the new pitch contour first the mean pitch value is calculated and it is subtracted to the pitch contour to obtain the time-varying component of the pitch. Then the mean pitch is multiplied by the absolute transformation factor (transformation factor in percentage plus 1) and it is added to the time-varying component.
	* '''Pitch range'''<br/>Pitch range transformation changes the difference between the maximum and the minimum value of the pitch contour. The time-varying component of the pitch contour is computed and multiplied by the pitch range factor (it is equal to the pitch range factor in percentage plus 1). We recommended the pitch range factor in percentage to be between -1 and 1.		* '''Pitch range'''<br/>Pitch range transformation changes the difference between the maximum and the minimum value of the pitch contour. The time-varying component of the pitch contour is computed and multiplied by the pitch range factor (it is equal to the pitch range factor in percentage plus 1). We recommended the pitch range factor in percentage to be between -1 and 1.
	* '''Duration'''<br/>You can select to tranform the total duration of the speech utterance or to upload a file with the pretended duration contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the duration file is [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/parametros/example.dur example.dur]. For example, a transformation factor of 0.5 is equivalent to increase the duration value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.		* '''Duration'''<br/>You can select to tranform the total duration of the speech utterance or to upload a file with the pretended duration contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the duration file is [http://www.l2f.inesc-id.pt/demos/EmoVoice/parametros/example.dur example.dur]. For example, a transformation factor of 0.5 is equivalent to increase the duration value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.
	* '''Energy'''<br/>You can select to apply a constant energy factor to the speech utterance or to upload a file with the pretended energy contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the energy file is [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/parametros/example.en example.en]. For example, a transformation factor of 0.5 is equivalent to increase the energy value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.		* '''Energy'''<br/>You can select to apply a constant energy factor to the speech utterance or to upload a file with the pretended energy contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the energy file is [http://www.l2f.inesc-id.pt/demos/EmoVoice/parametros/example.en example.en]. For example, a transformation factor of 0.5 is equivalent to increase the energy value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.

	=== Voice quality parameters ===		=== Voice quality parameters ===
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	=== Pitchmarks ===		=== Pitchmarks ===

	You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file [http://www.l2f.inesc-id.pt/~~~jpcabral~~/EmoVoice/parametros/arctic_a0001m.pm arcticm_a0001m.pm]. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.		You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file [http://www.l2f.inesc-id.pt/demos/EmoVoice/parametros/arctic_a0001m.pm arcticm_a0001m.pm]. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.

	== References ==		== References ==

David: Transformation of Speech Emotions moved to EmoVoice: Transformation of Speech Emotions

2007-07-05T21:51:22Z

Transformation of Speech Emotions moved to EmoVoice: Transformation of Speech Emotions

← Older revision	Revision as of 21:51, 5 July 2007
(No difference)

David at 21:50, 5 July 2007

2007-07-05T21:50:19Z

← Older revision		Revision as of 21:50, 5 July 2007
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	[2] Cabral, J. P. and Oliveira, L. C., "Pitch-Synchronous Time-Scaling for Prosodic and Voice Quality Transformations", Proc. Interspeech'2005, Lisbon, Portugal, September 2005.		[2] Cabral, J. P. and Oliveira, L. C., "Pitch-Synchronous Time-Scaling for Prosodic and Voice Quality Transformations", Proc. Interspeech'2005, Lisbon, Portugal, September 2005.

			== Contacts ==

			* [[João Paulo Cabral]]
			* [[Luís Caldas de Oliveira]]

	[[category:Demos]]		[[category:Demos]]

David at 21:49, 5 July 2007

2007-07-05T21:49:07Z

← Older revision		Revision as of 21:49, 5 July 2007
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	The following demos are available:		The following demos are available:

	* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/computations2.html Computation of speech parameters]<br/>Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 2.		* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/computations2.html Computation of speech parameters]<br/>Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 3.
	* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parameters.html Transformation of speech parameters]<br/>Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.		* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parameters.html Transformation of speech parameters]<br/>Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.
	* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/emotions.html Transformation of speech emotions]<br/>Transforms speech upon the selected emotion.		* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/emotions.html Transformation of speech emotions]<br/>Transforms speech upon the selected emotion.

David at 21:48, 5 July 2007

2007-07-05T21:48:23Z

← Older revision		Revision as of 21:48, 5 July 2007
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	{{TOCright}}		{{TOCright}}

			The following demos are available:

			* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/computations2.html Computation of speech parameters]<br/>Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 2.
			* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parameters.html Transformation of speech parameters]<br/>Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.
			* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/emotions.html Transformation of speech emotions]<br/>Transforms speech upon the selected emotion.

	== Utterance ==		== Utterance ==

	It is possible either to select an utterance from our speech database or to upload any utterance. The upload file has to be a WAV file (".wav" extension). The avaiable files for selection were obtained from the arctic database. We have already performed the computations for these files so that the results will be outputed faster than if you upload a speech file.		It is possible either to select an utterance from our speech database or to upload any utterance. The upload file has to be a WAV file (".wav" extension). The avaiable files for selection were obtained from the arctic database. We have already performed the computations for these files so that the results will be outputed faster than if you upload a speech file.

	* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/computations2.html Computation of speech parameters] - Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 2.
	* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parameters.html Transformation of speech parameters] - Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.
	* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/emotions.html Transformation of speech emotions] - Transforms speech upon the selected emotion.

	== Speech Parameters Computations ==		== Speech Parameters Computations ==

David: /* Utterance */

2007-07-05T21:47:31Z

Utterance

← Older revision		Revision as of 21:47, 5 July 2007
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	It is possible either to select an utterance from our speech database or to upload any utterance. The upload file has to be a WAV file (".wav" extension). The avaiable files for selection were obtained from the arctic database. We have already performed the computations for these files so that the results will be outputed faster than if you upload a speech file.		It is possible either to select an utterance from our speech database or to upload any utterance. The upload file has to be a WAV file (".wav" extension). The avaiable files for selection were obtained from the arctic database. We have already performed the computations for these files so that the results will be outputed faster than if you upload a speech file.

			* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/computations2.html Computation of speech parameters] - Computes speech parameters such as the pitch contour. For example, after uploading the pitch contour you can modify it to use in section 2.
			* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parameters.html Transformation of speech parameters] - Transforms several speech parameters including the pitch, duration and energy and other speech parameters related to the voice quality.
			* [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/emotions.html Transformation of speech emotions] - Transforms speech upon the selected emotion.

	== Speech Parameters Computations ==		== Speech Parameters Computations ==

David: /* Pitch contour */

2007-07-05T21:44:17Z

Pitch contour

← Older revision		Revision as of 21:44, 5 July 2007
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	Pitch contour is predicted from the pitchmarks. F0 values are estimated as the time interval between sucessive pitchmarks in the voiced regions. Thus, the number of F0 points is equal to the number of voiced pitchmarks. In the output file the first column presents the time instants and the second column presents the correspondent F0 values.		Pitch contour is predicted from the pitchmarks. F0 values are estimated as the time interval between sucessive pitchmarks in the voiced regions. Thus, the number of F0 points is equal to the number of voiced pitchmarks. In the output file the first column presents the time instants and the second column presents the correspondent F0 values.
	You can modify the computed pitch conotour and use it as the target pitch contour to transform the pitch of the speech signal. There are appropriate tools to open a speech file together with the pitch contour which permits to easily modify the pitch contour in section 2. For example, you can use the WaveSurver or the Praat software.		You can modify the computed pitch conotour and use it as the target pitch contour to transform the pitch of the speech signal. There are appropriate tools to open a speech file together with the pitch contour which permits to easily modify the pitch contour in section 2. For example, you can use the WaveSurver or the [http://www.ling.lu.se/persons/Sidney/praate/frames.html Praat] software.

	=== Waves transcription ===		=== Waves transcription ===

David at 21:43, 5 July 2007

2007-07-05T21:43:42Z

← Older revision		Revision as of 21:43, 5 July 2007
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	=== Pitchmarks ===		=== Pitchmarks ===

	Pitchmarks correspond to the instants of glottal closure in a laryngograph waveform (see Figure 1). We use the pitchmark detector from the Entropic's (ESPS) tools. Our techniques for speech transformations are pitch-synchronous thus they are dependent on the robustness of the pitch marking algorithm. The file with the computed pitchmarks has two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). It is possible to manually correct the pitchmarks from the downloaded file and upload the new file in sections 2 and 3 for speech transformations. To correct the pitchmarks you can compute the residual signal and open it together with the pitchmarks transcription with an appropriate software such as the WaveSurver.		Pitchmarks correspond to the instants of glottal closure in a laryngograph waveform (see Figure 1). We use the pitchmark detector from the Entropic's (ESPS) tools. Our techniques for speech transformations are pitch-synchronous thus they are dependent on the robustness of the pitch marking algorithm. The file with the computed pitchmarks has two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). It is possible to manually correct the pitchmarks from the downloaded file and upload the new file in sections 2 and 3 for speech transformations. To correct the pitchmarks you can compute the residual signal and open it together with the pitchmarks transcription with an appropriate software such as the [http://www.speech.kth.se/wavesurfer/download.html WaveSurver].

	=== Pitch contour ===		=== Pitch contour ===
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	=== Pitchmarks ===		=== Pitchmarks ===

	You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file arctic_a0001m.pm. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.		You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parametros/arctic_a0001m.pm arctic_a0001m.pm]. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.

	=== Prosodic parameters ===		=== Prosodic parameters ===

David: /* Prosodic parameters */

2007-07-05T21:41:11Z

Prosodic parameters

← Older revision		Revision as of 21:41, 5 July 2007
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	=== Prosodic parameters ===		=== Prosodic parameters ===

	* '''Pitch'''<br/>Pitch frequency is equivalent to the fundamental frequency F0. You can select to tranform the mean value of the original pitch contour or to upload a file with the pretended pitch contour. The text file for upload must have two columns, the first with the time instants and the second with the F0 values. This is an example of the pitch contour file arctic_a0001m.f0. In case of modifying the mean value of the original pitch contour the transformation factor must be given in percentage of the pitch. For example, a transformation factor of 0.5 is equivalent to increase the mean pitch value in 50%. Thus, a transformation factor equal to 1 doubles the mean pitch while if it is equal to -0.5 the mean pitch is halved. The lower bownd value is -1. We recommend the transformation factor is between -0.5 to 1.5 to avoid audible artefacts due to distortion of the speech signal. To compute the new pitch contour first the mean pitch value is calculated and it is subtracted to the pitch contour to obtain the time-varying component of the pitch. Then the mean pitch is multiplied by the absolute transformation factor (transformation factor in percentage plus 1) and it is added to the time-varying component.		* '''Pitch'''<br/>Pitch frequency is equivalent to the fundamental frequency F0. You can select to tranform the mean value of the original pitch contour or to upload a file with the pretended pitch contour. The text file for upload must have two columns, the first with the time instants and the second with the F0 values. This is an example of the pitch contour file [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parametros/arctic_a0001m.f0 arctic_a0001m.f0]. In case of modifying the mean value of the original pitch contour the transformation factor must be given in percentage of the pitch. For example, a transformation factor of 0.5 is equivalent to increase the mean pitch value in 50%. Thus, a transformation factor equal to 1 doubles the mean pitch while if it is equal to -0.5 the mean pitch is halved. The lower bownd value is -1. We recommend the transformation factor is between -0.5 to 1.5 to avoid audible artefacts due to distortion of the speech signal. To compute the new pitch contour first the mean pitch value is calculated and it is subtracted to the pitch contour to obtain the time-varying component of the pitch. Then the mean pitch is multiplied by the absolute transformation factor (transformation factor in percentage plus 1) and it is added to the time-varying component.
	* '''Pitch range'''<br/>Pitch range transformation changes the difference between the maximum and the minimum value of the pitch contour. The time-varying component of the pitch contour is computed and multiplied by the pitch range factor (it is equal to the pitch range factor in percentage plus 1). We recommended the pitch range factor in percentage to be between -1 and 1.		* '''Pitch range'''<br/>Pitch range transformation changes the difference between the maximum and the minimum value of the pitch contour. The time-varying component of the pitch contour is computed and multiplied by the pitch range factor (it is equal to the pitch range factor in percentage plus 1). We recommended the pitch range factor in percentage to be between -1 and 1.
	* '''Duration'''<br/>You can select to tranform the total duration of the speech utterance or to upload a file with the pretended duration contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the duration file is example.dur. For example, a transformation factor of 0.5 is equivalent to increase the duration value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.		* '''Duration'''<br/>You can select to tranform the total duration of the speech utterance or to upload a file with the pretended duration contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the duration file is [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parametros/example.dur example.dur]. For example, a transformation factor of 0.5 is equivalent to increase the duration value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.
	* '''Energy'''<br/>You can select to apply a constant energy factor to the speech utterance or to upload a file with the pretended energy contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the energy file is example.en. For example, a transformation factor of 0.5 is equivalent to increase the energy value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.		* '''Energy'''<br/>You can select to apply a constant energy factor to the speech utterance or to upload a file with the pretended energy contour. The text file for upload must have two columns, the first with the time instants and the second with the transformation factors in percentage. An example of the energy file is [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parametros/example.en example.en]. For example, a transformation factor of 0.5 is equivalent to increase the energy value in 50%. The lower bound value is -1. We recommended the duration factor in percentage to be between -0.8 and 1.5.

	=== Voice quality parameters ===		=== Voice quality parameters ===

David: /* Pitchmarks */

2007-07-05T21:39:57Z

Pitchmarks

← Older revision		Revision as of 21:39, 5 July 2007
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	=== Pitchmarks ===		=== Pitchmarks ===

	You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file arcticm_a0001m.pm. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.		You can select between computing the pitchmarks using our tools or to upload the file with the pitchmarks. The pitchmarks file must have two columns. The first presents the time instants of the pitch marks and the second has the same length as the first and is filled with the character "1" (it means the pitchmarks correspond to voiced regions only). This is an example of the pitchmarks file [http://www.l2f.inesc-id.pt/~jpcabral/EmoVoice/parametros/arctic_a0001m.pm arcticm_a0001m.pm]. This option gives the flexibility to use a different pitch mark detector or to use the manually corrected pitchmarks that were computed in section 1 using our tools.

	== References ==		== References ==