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https://github.com/Relintai/pandemonium_engine.git
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47 lines
2.5 KiB
XML
47 lines
2.5 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="AudioEffectSpectrumAnalyzer" inherits="AudioEffect" version="4.1">
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<brief_description>
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Audio effect that can be used for real-time audio visualizations.
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</brief_description>
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<description>
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This audio effect does not affect sound output, but can be used for real-time audio visualizations.
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See also [AudioStreamGenerator] for procedurally generating sounds.
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</description>
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<tutorials>
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<link title="Audio Spectrum Demo">https://godotengine.org/asset-library/asset/528</link>
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<link title="Godot 3.2 will get new audio features">https://godotengine.org/article/godot-32-will-get-new-audio-features</link>
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</tutorials>
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<methods>
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</methods>
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<members>
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<member name="buffer_length" type="float" setter="set_buffer_length" getter="get_buffer_length" default="2.0">
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The length of the buffer to keep (in seconds). Higher values keep data around for longer, but require more memory.
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</member>
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<member name="fft_size" type="int" setter="set_fft_size" getter="get_fft_size" enum="AudioEffectSpectrumAnalyzer.FFT_Size" default="2">
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The size of the [url=https://en.wikipedia.org/wiki/Fast_Fourier_transform]Fast Fourier transform[/url] buffer. Higher values smooth out the spectrum analysis over time, but have greater latency. The effects of this higher latency are especially noticeable with sudden amplitude changes.
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</member>
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<member name="tap_back_pos" type="float" setter="set_tap_back_pos" getter="get_tap_back_pos" default="0.01">
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</member>
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</members>
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<constants>
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<constant name="FFT_SIZE_256" value="0" enum="FFT_Size">
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Use a buffer of 256 samples for the Fast Fourier transform. Lowest latency, but least stable over time.
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</constant>
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<constant name="FFT_SIZE_512" value="1" enum="FFT_Size">
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Use a buffer of 512 samples for the Fast Fourier transform. Low latency, but less stable over time.
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</constant>
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<constant name="FFT_SIZE_1024" value="2" enum="FFT_Size">
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Use a buffer of 1024 samples for the Fast Fourier transform. This is a compromise between latency and stability over time.
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</constant>
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<constant name="FFT_SIZE_2048" value="3" enum="FFT_Size">
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Use a buffer of 2048 samples for the Fast Fourier transform. High latency, but stable over time.
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</constant>
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<constant name="FFT_SIZE_4096" value="4" enum="FFT_Size">
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Use a buffer of 4096 samples for the Fast Fourier transform. Highest latency, but most stable over time.
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</constant>
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<constant name="FFT_SIZE_MAX" value="5" enum="FFT_Size">
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Represents the size of the [enum FFT_Size] enum.
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</constant>
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</constants>
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</class>
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