audioengine3dl2.html

JAVA多媒体开发类库说明

<A NAME="setReflectionDelay(float)"><!-- --></A><H3>
setReflectionDelay</H3>
<PRE>
public void <B>setReflectionDelay</B>(float&nbsp;reflectionDelay)</PRE>
<DL>
<DD>Sets the early reflection delay time.
 In this form,  the parameter specifies the delay time between each order
 of reflection (while reverberation is being rendered) explicitly given
 in milliseconds.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setReflectionDelay(float)">setReflectionDelay</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>reflectionDelay</CODE> - time between each order of early reflection<DT><B>See Also:</B><DD><A HREF="../../../../javax/media/j3d/AuralAttributes.html#setReflectionDelay(float)"><CODE>AuralAttributes.setReflectionDelay(float)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setDecayTime(float)"><!-- --></A><H3>
setDecayTime</H3>
<PRE>
public void <B>setDecayTime</B>(float&nbsp;time)</PRE>
<DL>
<DD>Set reverb decay time.
 Defines the reverberation decay curve.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setDecayTime(float)">setDecayTime</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>time</CODE> - decay time in milliseconds<DT><B>See Also:</B><DD><A HREF="../../../../javax/media/j3d/AuralAttributes.html#setDecayTime(float)"><CODE>AuralAttributes.setDecayTime(float)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setDecayFilter(float)"><!-- --></A><H3>
setDecayFilter</H3>
<PRE>
public void <B>setDecayFilter</B>(float&nbsp;frequencyCutoff)</PRE>
<DL>
<DD>Set reverb decay filter.
 This provides for frequencies above the given cutoff frequency to be
 attenuated during reverb decay at a different rate than frequencies
 below this value.  Thus, defining a different reverb decay curve for 
 frequencies above the cutoff value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setDecayFilter(float)">setDecayFilter</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>frequencyCutoff</CODE> - value of frequencies in Hertz above which a
 low-pass filter is applied.<DT><B>See Also:</B><DD><A HREF="../../../../javax/media/j3d/AuralAttributes.html#setDecayFilter(float)"><CODE>AuralAttributes.setDecayFilter(float)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setDiffusion(float)"><!-- --></A><H3>
setDiffusion</H3>
<PRE>
public void <B>setDiffusion</B>(float&nbsp;diffusion)</PRE>
<DL>
<DD>Set reverb diffusion.
 This defines the echo dispersement (also referred to as 'echo density').
 The value of this reverb parameter is expressed as a percent of the
 audio device's minimum-to-maximum values.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setDiffusion(float)">setDiffusion</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>diffusion</CODE> - percentage expressed within the range of 0.0 and 1.0<DT><B>See Also:</B><DD><A HREF="../../../../javax/media/j3d/AuralAttributes.html#setDiffusion(float)"><CODE>AuralAttributes.setDiffusion(float)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setDensity(float)"><!-- --></A><H3>
setDensity</H3>
<PRE>
public void <B>setDensity</B>(float&nbsp;density)</PRE>
<DL>
<DD>Set reverb density.
 This defines the modal density (also referred to as 'spectral 
 coloration').
 The value of this parameter is expressed as a percent of the audio
 device's minimum-to-maximum values for this reverb parameter.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setDensity(float)">setDensity</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>density</CODE> - reverb density expressed as a percentage,
 within the range of 0.0 and 1.0<DT><B>See Also:</B><DD><A HREF="../../../../javax/media/j3d/AuralAttributes.html#setDensity(float)"><CODE>AuralAttributes.setDensity(float)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setObstructionGain(int, float)"><!-- --></A><H3>
setObstructionGain</H3>
<PRE>
public void <B>setObstructionGain</B>(int&nbsp;index,
                               float&nbsp;scaleFactor)</PRE>
<DL>
<DD>Set the obstruction gain control.  This method allows for attenuating
 sound waves traveling between the sound source and the listener
 obstructed by objects.  Direct sound signals/waves for obstructed sound
 source are attenuated but not indirect (reflected) waves.
 There is no corresponding Core AuralAttributes method at this time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setObstructionGain(int, float)">setObstructionGain</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - device specific reference to device driver sample<DD><CODE>scaleFactor</CODE> - non-negative factor applied to direct sound gain</DL>
</DD>
</DL>
<HR>

<A NAME="setObstructionFilter(int, float)"><!-- --></A><H3>
setObstructionFilter</H3>
<PRE>
public void <B>setObstructionFilter</B>(int&nbsp;index,
                                 float&nbsp;frequencyCutoff)</PRE>
<DL>
<DD>Set the obstruction filter control.
 This provides for frequencies above the given cutoff frequency
 to be attenuated, during while the gain of an obstruction signal
 is being calculated, at a different rate than frequencies
 below this value.
 There is no corresponding Core AuralAttributes method at this time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setObstructionFilter(int, float)">setObstructionFilter</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - device specific reference to device driver sample<DD><CODE>frequencyCutoff</CODE> - value of frequencies in Hertz above which a
 low-pass filter is applied.</DL>
</DD>
</DL>
<HR>

<A NAME="setOcclusionGain(int, float)"><!-- --></A><H3>
setOcclusionGain</H3>
<PRE>
public void <B>setOcclusionGain</B>(int&nbsp;index,
                             float&nbsp;scaleFactor)</PRE>
<DL>
<DD>Set the occlusion gain control.  This method allows for attenuating
 sound waves traveling between the sound source and the listener
 occluded by objects.  Both direct and indirect sound signals/waves
 for occluded sound sources are attenuated.
 There is no corresponding Core AuralAttributes method at this time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setOcclusionGain(int, float)">setOcclusionGain</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - device specific reference to device driver sample<DD><CODE>scaleFactor</CODE> - non-negative factor applied to direct sound gain</DL>
</DD>
</DL>
<HR>

<A NAME="setOcclusionFilter(int, float)"><!-- --></A><H3>
setOcclusionFilter</H3>
<PRE>
public void <B>setOcclusionFilter</B>(int&nbsp;index,
                               float&nbsp;frequencyCutoff)</PRE>
<DL>
<DD>Set the occlusion filter control.
 This provides for frequencies above the given cutoff frequency
 to be attenuated, during while the gain of an occluded signal
 is being calculated, at a different rate than frequencies below
 this value.
 There is no corresponding Core AuralAttributes method at this time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html#setOcclusionFilter(int, float)">setOcclusionFilter</A></CODE> in interface <CODE><A HREF="../../../../javax/media/j3d/AudioDevice3DL2.html" title="interface in javax.media.j3d">AudioDevice3DL2</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - device specific reference to device driver sample<DD><CODE>frequencyCutoff</CODE> - value of frequencies in Hertz above which a
 low-pass filter is applied.</DL>
</DD>
</DL>
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