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This makes it easier to spot syntax errors when editing the class reference. The schema is referenced locally so validation can still work offline. Each class XML's schema conformance is also checked on GitHub Actions.
45 lines
2.6 KiB
XML
45 lines
2.6 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="AudioEffectSpectrumAnalyzer" inherits="AudioEffect" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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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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<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.FFTSize" 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="FFTSize">
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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="FFTSize">
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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="FFTSize">
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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="FFTSize">
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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="FFTSize">
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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="FFTSize">
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Represents the size of the [enum FFTSize] enum.
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</constant>
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</constants>
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</class>
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