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7 WaveUtils (FreeTTS 1.2)
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81 <!-- ======== START OF CLASS DATA ======== -->
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84 com.sun.speech.freetts.util</FONT>
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86 Class WaveUtils</H2>
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89 <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><B>com.sun.speech.freetts.util.WaveUtils</B>
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93 <DT>public class <B>WaveUtils</B><DT>extends java.lang.Object</DL>
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96 Provides a set of utilities for prrocessing wave/audio data.
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115 <B>Constructor Summary</B></FONT></TD>
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118 <TD><CODE><B><A HREF="../../../../../com/sun/speech/freetts/util/WaveUtils.html#WaveUtils()">WaveUtils</A></B>()</CODE>
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135 <CODE>static short</CODE></FONT></TD>
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136 <TD><CODE><B><A HREF="../../../../../com/sun/speech/freetts/util/WaveUtils.html#bytesToShort(byte, byte)">bytesToShort</A></B>(byte hiByte,
137 byte loByte)</CODE>
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140 Reconstructs a short from its hi and low bytes.</TD>
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144 <CODE>static void</CODE></FONT></TD>
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145 <TD><CODE><B><A HREF="../../../../../com/sun/speech/freetts/util/WaveUtils.html#main(java.lang.String[])">main</A></B>(java.lang.String[] args)</CODE>
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148 Provides test program for method ulawToShort().</TD>
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150 <TR BGCOLOR="white" CLASS="TableRowColor">
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151 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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152 <CODE>static byte</CODE></FONT></TD>
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153 <TD><CODE><B><A HREF="../../../../../com/sun/speech/freetts/util/WaveUtils.html#shortToUlaw(short)">shortToUlaw</A></B>(short sampleData)</CODE>
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156 Converts a raw short to ulaw.</TD>
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158 <TR BGCOLOR="white" CLASS="TableRowColor">
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159 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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160 <CODE>static short</CODE></FONT></TD>
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161 <TD><CODE><B><A HREF="../../../../../com/sun/speech/freetts/util/WaveUtils.html#ulawToShort(short)">ulawToShort</A></B>(short uByte)</CODE>
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164 Converts from ulaw to 16 bit linear.
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189 <B>Constructor Detail</B></FONT></TD>
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193 <A NAME="WaveUtils()"><!-- --></A><H3>
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196 public <B>WaveUtils</B>()</PRE>
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210 <A NAME="shortToUlaw(short)"><!-- --></A><H3>
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213 public static final byte <B>shortToUlaw</B>(short sampleData)</PRE>
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215 <DD>Converts a raw short to ulaw.
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218 <DT><B>Parameters:</B><DD><CODE>sampleData</CODE> - signed 16-bit linear sample
219 <DT><B>Returns:</B><DD>8-bit ulaw sample, normalized</DL>
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224 <A NAME="ulawToShort(short)"><!-- --></A><H3>
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227 public static final short <B>ulawToShort</B>(short uByte)</PRE>
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229 <DD>Converts from ulaw to 16 bit linear.
231 Craig Reese: IDA/Supercomputing Research Center
237 1) CCITT Recommendation G.711 (very difficult to follow)
239 2) MIL-STD-188-113,"Interoperability and Performance Standards
240 for Analog-to_Digital Conversion Techniques," 17 February 1987
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243 <DT><B>Parameters:</B><DD><CODE>uByte</CODE> - 8 bit ulaw sample
244 <DT><B>Returns:</B><DD>signed 16 bit linear sample</DL>
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249 <A NAME="bytesToShort(byte, byte)"><!-- --></A><H3>
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252 public static final short <B>bytesToShort</B>(byte hiByte,
253 byte loByte)</PRE>
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255 <DD>Reconstructs a short from its hi and low bytes.
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258 <DT><B>Parameters:</B><DD><CODE>hiByte</CODE> - the high byte<DD><CODE>loByte</CODE> - the low byte
259 <DT><B>Returns:</B><DD>the short value</DL>
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264 <A NAME="main(java.lang.String[])"><!-- --></A><H3>
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267 public static void <B>main</B>(java.lang.String[] args)</PRE>
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269 <DD>Provides test program for method ulawToShort().
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272 <DT><B>Parameters:</B><DD><CODE>args</CODE> - not used</DL>
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