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SNDTOOLS: REAL-TIME AUDIO DSP
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大小:450 |
2010-07-05
小组店小二
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ABSTRACT
We present sndtools, a set of cross platform, open-source
tools for simultaneously displaying related audio and vi-
sual information in real-time. The distribution includes
tools to extract spectral information, perform linear pre-
dictive coding analysis and resynthesis, manipulate pitch
and time using a phase vocoder, and map text to Morse
code. Each tool has closely related audio and visual (graph-
ical or text) components and can be used for instructive
purposes or experimentation with sound. We show that
hardware-accelerated graphics tools such as OpenGL can
be used to enable real-time 3D visualization of DSP algo-
rithms.
We present sndtools, a set of cross platform, open-source
tools for simultaneously displaying related audio and vi-
sual information in real-time. The distribution includes
tools to extract spectral information, perform linear pre-
dictive coding analysis and resynthesis, manipulate pitch
and time using a phase vocoder, and map text to Morse
code. Each tool has closely related audio and visual (graph-
ical or text) components and can be used for instructive
purposes or experimentation with sound. We show that
hardware-accelerated graphics tools such as OpenGL can
be used to enable real-time 3D visualization of DSP algo-
rithms.
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