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Diffstat (limited to 'kttsd/filters/xmltransformer/xhtml2ssml.xsl')
| -rw-r--r-- | kttsd/filters/xmltransformer/xhtml2ssml.xsl | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/kttsd/filters/xmltransformer/xhtml2ssml.xsl b/kttsd/filters/xmltransformer/xhtml2ssml.xsl new file mode 100644 index 0000000..5c7ca33 --- /dev/null +++ b/kttsd/filters/xmltransformer/xhtml2ssml.xsl @@ -0,0 +1,252 @@ +<?xml version="1.0" encoding="UTF-8"?> + +<!-- *********************************************************************** + Stylesheet for transforming XHTML into SSML markup. + ============ + Copyright : (C) 2005 by Gary Cramblitt + ============ + Original author: Gary Cramblitt <garycramblitt@comcast.net> + *************************************************************************** + + *************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; version 2 of the License. * + * * + *************************************************************************** --> + +<!-- *********************************************************************** + The rendering is roughly based on the stylesheet from Appendix A of the + CSS2 specification, http://www.w3.org/TR/REC-CSS2/sample.html + + @media speech { + H1, H2, H3, + H4, H5, H6 { voice-family: paul, male; stress: 20; richness: 90 } + H1 { pitch: x-low; pitch-range: 90 } + H2 { pitch: x-low; pitch-range: 80 } + H3 { pitch: low; pitch-range: 70 } + H4 { pitch: medium; pitch-range: 60 } + H5 { pitch: medium; pitch-range: 50 } + H6 { pitch: medium; pitch-range: 40 } + LI, DT, DD { pitch: medium; richness: 60 } + DT { stress: 80 } + PRE, CODE, TT { pitch: medium; pitch-range: 0; stress: 0; richness: 80 } + EM { pitch: medium; pitch-range: 60; stress: 60; richness: 50 } + STRONG { pitch: medium; pitch-range: 60; stress: 90; richness: 90 } + DFN { pitch: high; pitch-range: 60; stress: 60 } + S, STRIKE { richness: 0 } + I { pitch: medium; pitch-range: 60; stress: 60; richness: 50 } + B { pitch: medium; pitch-range: 60; stress: 90; richness: 90 } + U { richness: 0 } + A:link { voice-family: harry, male } + A:visited { voice-family: betty, female } + A:active { voice-family: betty, female; pitch-range: 80; pitch: x-high } +} + +As SSML does not seem to offer an equivalent for "stress" and "richness". +They are mapped to rate and volume respectively. + + H1 { male; pitch: x-low; range: x-high; rate: slow; volume: x-loud} + H2 { male; pitch: x-low; range: high; rate: slow; volume: x-loud } + H3 { male; pitch: low; range: high; rate: slow; volume: x-loud } + H4 { male; pitch: medium; range: medium; rate: slow; volume: x-loud } + H5 { male; pitch: medium; range: low; rate: slow; volume: x-loud } + H6 { male; pitch: medium; range: x-low; rate: slow; volume: x-loud } + LI, DD { pitch: medium; } + DT { pitch: medium; rate: x-fast } + PRE, CODE, TT { pitch: medium; range: x-low; rate: slow; volume: loud } + EM { pitch: medium; range: medium; rate: medium; volume: loud } + STRONG { pitch: medium; range: medium; rate: x-fast; volume: x-loud } + DFN { pitch: high; range: medium; rate: medium } + S, STRIKE { volume: x-soft } + I { pitch: high; range: medium; rate: fast; volume: medium } + B { pitch: high; range: medium; rate: x-fast; volume: x-loud } + U { volume: medium } + A { female } + + *********************************************************************** --> + +<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> +<xsl:output method="xml" indent="no"/> + +<!-- root --> +<xsl:template match="/"> + <xsl:apply-templates/> +</xsl:template> + +<!-- html --> +<!-- local-name() must be used in order to ignore namespaces. --> +<xsl:template match="*[local-name()='html' or local-name()='HTML']"> + <xsl:apply-templates/> +</xsl:template> + +<!-- Ignore header, speak the body of xhtml document. --> +<xsl:template match="*[local-name()='head' or local-name()='HEAD']"/> +<xsl:template match="*[local-name()='body' or local-name()='BODY']"> + <xsl:element name="speak"> + <xsl:copy-of select="/html/@lang"/> + <xsl:copy-of select="/HTML/@lang"/> + <xsl:apply-templates/> + </xsl:element> +</xsl:template> + +<!-- Paragraph --> +<xsl:template match="*[local-name()='p' or local-name()='P']"> + <p><xsl:apply-templates/></p> +</xsl:template> + +<!-- H1 { pitch: x-low; range: x-high; rate: slow; volume: x-loud } --> +<xsl:template match="*[local-name()='h1' or local-name()='H1']"> + <voice gender="male"><prosody pitch="x-low" range="x-high" rate="slow" volume="x-loud"> + <xsl:apply-templates/> + </prosody></voice> +</xsl:template> + +<!-- H2 { male; pitch: x-low; range: high; rate: slow; volume: x-loud } --> +<xsl:template match="*[local-name()='h2' or local-name()='H2']"> + <voice gender="male"><prosody pitch="x-low" range="high" rate="slow" volume="x-loud"> + <xsl:apply-templates/> + </prosody></voice> +</xsl:template> + +<!-- H3 { male; pitch: low; range: high; rate: slow; volume: x-loud } --> +<xsl:template match="*[local-name()='h3' or local-name()='H3']"> + <voice gender="male"><prosody pitch="low" range="high" rate="slow" volume="x-loud"> + <xsl:apply-templates/> + </prosody></voice> +</xsl:template> + +<!-- H4 { male; pitch: medium; range: medium; rate: slow; volume: x-loud } --> +<xsl:template match="*[local-name()='h4' or local-name()='H4']"> + <voice gender="male"><prosody pitch="medium" range="medium" rate="slow" volume="x-loud"> + <xsl:apply-templates/> + </prosody></voice> +</xsl:template> + +<!-- H5 { male; pitch: medium; range: low; rate: slow; volume: x-loud } --> +<xsl:template match="*[local-name()='h5' or local-name()='H5']"> + <voice gender="male"><prosody pitch="low" range="low" rate="slow" volume="x-loud"> + <xsl:apply-templates/> + </prosody></voice> +</xsl:template> + +<!-- H6 { male; pitch: medium; range: x-low; rate: slow; volume: x-loud } --> +<xsl:template match="*[local-name()='h6' or local-name()='H6']"> + <voice gender="male"><prosody pitch="medium" range="x-low" rate="slow" volume="x-loud"> + <xsl:apply-templates/> + </prosody></voice> +</xsl:template> + +<!-- LI, DD { pitch: medium; } --> +<xsl:template match="*[local-name()='li' or local-name()='LI']"> + <prosody pitch="medium"> + <xsl:apply-templates/> + </prosody> +</xsl:template> +<xsl:template match="*[local-name()='dd' or local-name()='DD']"> + <prosody pitch="medium"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- DT { pitch: medium; rate: x-fast } --> +<xsl:template match="*[local-name()='dt' or local-name()='DT']"> + <prosody pitch="medium" rate="x-fast"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- PRE, CODE, TT { pitch: medium; range: x-low; rate: slow; volume: loud } --> +<xsl:template match="*[local-name()='pre' or local-name()='PRE']"> + <prosody pitch="medium" range="x-low" rate="slow" volume="loud"> + <xsl:apply-templates/> + </prosody> +</xsl:template> +<xsl:template match="*[local-name()='code' or local-name()='CODE']"> + <prosody pitch="medium" range="x-low" rate="slow" volume="loud"> + <xsl:apply-templates/> + </prosody> +</xsl:template> +<xsl:template match="*[local-name()='tt' or local-name()='TT']"> + <prosody pitch="medium" range="x-low" rate="slow" volume="loud"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- EM { pitch: medium; range: medium; rate: medium; volume: loud } --> +<xsl:template match="*[local-name()='em' or local-name()='EM']"> + <prosody pitch="medium" range="medium" rate="medium" volume="loud"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- STRONG { pitch: medium; range: medium; rate: x-fast; volume: x-loud } --> +<xsl:template match="*[local-name()='strong' or local-name()='STRONG']"> + <prosody pitch="medium" range="medium" rate="x-fast" volume="x-loud"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- DFN { pitch: high; range: medium; rate: medium } --> +<xsl:template match="*[local-name()='dfn' or local-name()='DFN']"> + <prosody pitch="high" range="medium" rate="medium"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- S, STRIKE { volume: x-soft } --> +<xsl:template match="*[local-name()='s' or local-name()='S']"> + <prosody volume="x-soft"> + <xsl:apply-templates/> + </prosody> +</xsl:template> +<xsl:template match="*[local-name()='strike' or local-name()='STRIKE']"> + <prosody volume="x-soft"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- I { pitch: high; range: medium; rate: fast; volume: medium } --> +<xsl:template match="*[local-name()='i' or local-name()='I']"> + <prosody pitch="high" range="medium" rate="fast" volume="medium"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- B { pitch: high; range: medium; rate: x-fast; volume: x-loud } --> +<xsl:template match="*[local-name()='b' or local-name()='B']"> + <prosody pitch="high" range="medium" rate="x-fast" volume="x-loud"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- U { volume: medium } --> +<xsl:template match="*[local-name()='u' or local-name()='U']"> + <prosody pitch="medium"> + <xsl:apply-templates/> + </prosody> +</xsl:template> + +<!-- A { female } --> +<xsl:template match="*[local-name()='a' or local-name()='A']"> + <voice gender="female"> + <xsl:apply-templates/> + </voice> +</xsl:template> + +<!-- HREF attribute --> +<xsl:template match="@href"> + <prosody volume="soft">Address</prosody> + <prosody rate="x-fast"> + <xsl:value-of select="."/> + </prosody> +</xsl:template> + +<!-- Ignore scripts. --> +<xsl:template match="*[local-name()='script' or local-name()='SCRIPT']"/> + +<!-- Ignore styles. --> +<xsl:template match="*[local-name()='style' or local-name()='STYLE']"/> + +</xsl:stylesheet> |