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[css2] mods on percent, date and time
--HG-- extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%40351
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‎css2/aural.src‎

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html lang="en">
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<!-- $Id: aural.src,v 1.6 1997-10-03 22:10:22 ian Exp $ -->
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<!-- $Id: aural.src,v 1.7 1997-10-31 07:38:34 clilley Exp $ -->
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<HEAD>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<TITLE>Aural style sheets</TITLE>
@@ -73,53 +73,56 @@ views to produce truly multi-modal documents.
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<!-- #include src=properties/volume.srb -->
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<P>The legal range of percentage values is 0% to 100%. Note that '0%'
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<strong>does not mean the same as "silent"</strong>. 0% represents the
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<em>minimum audible</em> volume level and 100% corresponds to the
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<P>The legal range of numerical values is 0 to 100. Note that '0'
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<strong>does not mean the same as "silent"</strong>. 0 represents the
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<em>minimum audible</em> volume level and 100 corresponds to the
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<em>maximum comfortable</em> level.
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<P>There is a fixed mapping between keyword values and percentages:
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<p>Percentage values are calculated relative to the inherited value,
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and are then clipped to the range 0 to 100.
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<P>There is a fixed mapping between keyword values and volumes:
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<UL>
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<li>'silent' = no sound at all, the element is spoken silently
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<LI>'x-soft' = '0%'
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<LI>'soft' = '25%'
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<LI>'medium' = '50%'
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<LI>'loud' = '75%'
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<LI>'x-loud' = '100%'
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<LI>'x-soft' = '0'
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<LI>'soft' = '25'
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<LI>'medium' = '50'
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<LI>'loud' = '75'
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<LI>'x-loud' = '100'
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</UL>
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<P><span class="index-def" title="volume">Volume</span>refers to the
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median volume of the waveform. In other words, a highly inflected
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voice at a volume of 50 might peak well above that. The overall values
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are likely to be human adjustable for comfort, for example with a
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physical volume control (which would increase both the 0% and 100%
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physical volume control (which would increase both the 0 and 100
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values proportionately); what this property does is adjust the dynamic
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range.
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<p>The UA should allow the values corresponding to 0% and
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100% to be set by the listener. No one setting is universally
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<p>The UA should allow the values corresponding to 0 and
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100 to be set by the listener. No one setting is universally
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applicable; suitable values depend on the equipment in use (speakers,
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headphones), the environment (in car, home theater, library) and
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personal preferences. Some examples:
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<ul>
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<li>A browser for in-car use has a setting for when there is lots
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of background noise. 0% would map to a fairly high level and 100% to a
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of background noise. 0 would map to a fairly high level and 100 to a
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quite high level. The speech is easily audible over the road noise but
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the overall dynamic range is compressed. Plusher cars with better
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insulation allow a wider dynamic range.
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<li>Another speech browser is being used in the home, late at night,
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(don't annoy the neighbors) or in a shared study room. 0% is set to
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a very quiet level and 100% to a fairly quiet level, too. As with the first
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(don't annoy the neighbors) or in a shared study room. 0 is set to
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a very quiet level and 100 to a fairly quiet level, too. As with the first
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example, there is a low slope; the dynamic range is reduced. The
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actual volumes are low here, whereas they were high in the first
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example.
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<li>In a quiet and isolated house, an expensive hi-fi home theater
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setup. 0% is set fairly low and 100% to quite high; there is wide
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setup. 0 is set fairly low and 100 to quite high; there is wide
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dynamic range.
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</ul>
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@@ -453,9 +456,9 @@ in a way that is independent of speech synthesizer?
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<!-- #include src=properties/pitch-range.srb -->
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<p>Specifies variation in average pitch. A pitch range of 0% produces
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a flat, monotonic voice. A pitch range of 50% produces normal
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inflection. Pitch ranges greater than 50% produce animated voices.
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<p>Specifies variation in average pitch. A pitch range of 0 produces
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a flat, monotonic voice. A pitch range of 50 produces normal
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inflection. Pitch ranges greater than 50 produce animated voices.
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<!-- #include src=properties/stress.srb -->
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<!-- #include src=properties/speak-date.srb -->
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<p>This is a request about how any dates should be
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<p>This property controls how dates should be
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spoken. month-day-year is common in the USA, while day-month-year is
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common in Europe and year-month-day is also used.
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<div class="example"><P>
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This would be useful, for example, when combined with a new
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HTML tag used to identify dates, such as:
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This would be useful, for example, when combined with an XML
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element used to identify dates, such as:
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<pre>
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&lt;p&gt;The campaign started on &lt;date value="1874-oct-21"&gt;
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the twenty-first of that month&lt;/date&gt; and finished
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&lt;date value="1874-oct-28"&gt;a week later&lt;/date&gt;
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&lt;para&gt;The campaign started on &lt;date value="1874-10-21"/&gt;
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and finished &lt;date value="1874-10-28/"&gt;&lt;/para%gt;
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</pre>
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</div>
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<!-- #include src=properties/speak-numeral.srb -->
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<p>This property controls whether multi-digit numerals (such as 237)
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are spoken as a single number (two hundred and thirty seven) or
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individual digits (two three seven).
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<!-- #include src=properties/speak-time.srb -->
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<p>This property controls whether times are spoken in the 24-hour time
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system or the 12-hour, am/pm system. When used in combination with the
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'speak-date' property, this allows elements with an attribute
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containing an ISO 8601 format date/time attribute to be presented in a
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flexible manner.
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<p>An additional aural property, <a
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href="tables.html#propdef-speak-header-cell">speak-header-cell</a>, is
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described in the capter on <a href="tables">tables</a>
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</BODY>
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</HTML>

‎css2/refs.src‎

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html lang="en">
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<!-- $Id: refs.src,v 1.13 1997-10-31 03:20:16 clilley Exp $ -->
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<!-- $Id: refs.src,v 1.14 1997-10-31 07:39:00 clilley Exp $ -->
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<HEAD>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<TITLE>References</TITLE>
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<dt><strong><a name="ref-OPENTYPE">[OPENTYPE]</a></strong>
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<dd>See
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<a href="http://www.microsoft.com/TRUETYPE/OTSPEC/tablist.htm">
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http://www.microsoft.com/TRUETYPE/OTSPEC/tablist.htm</a>.
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<a href="http://www.microsoft.com/OpenType/OTSpec/tablist.htm">
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http://www.microsoft.com/OpenType/OTSpec/tablist.htm</a>.
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<dt><strong><a name="ref-PANOSE">[PANOSE]</a></strong>
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<dd>For information about PANOSE classification metrics, consult
@@ -204,8 +204,8 @@ Latin typefaces</a>.
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<dt><strong><a name="ref-TRUETYPEGX">[TRUETYPEGX]</a></strong>
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<dd>See
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<a href="http://support.info.apple.com/gx/typog.html">
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http://support.info.apple.com/gx/typog.html</a> for details
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<a href="http://fonts.apple.com/TTRefMan/index.html">
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http://fonts.apple.com/TTRefMan/index.html</a> for details
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about TrueType GX from Apple Computer, including <a
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href="http://support.info.apple.com/gx/GXFF/chap0.html">descriptions
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of the added tables</a> and <a href="http://support.info.apple.com/gx/FQS/FQSTOC.html">font quality specifications</a>

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