/** * This audio effect does not affect sound output, but can be used for real-time audio visualizations. * * See also [AudioStreamGenerator] for procedurally generating sounds. * */ declare class AudioEffectSpectrumAnalyzer extends AudioEffect { /** * This audio effect does not affect sound output, but can be used for real-time audio visualizations. * * See also [AudioStreamGenerator] for procedurally generating sounds. * */ new(): AudioEffectSpectrumAnalyzer; static "new"(): AudioEffectSpectrumAnalyzer /** The length of the buffer to keep (in seconds). Higher values keep data around for longer, but require more memory. */ buffer_length: float; /** 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. */ fft_size: int; connect>(signal: T, method: SignalFunction): number; /** * Use a buffer of 256 samples for the Fast Fourier transform. Lowest latency, but least stable over time. * */ static FFT_SIZE_256: any; /** * Use a buffer of 512 samples for the Fast Fourier transform. Low latency, but less stable over time. * */ static FFT_SIZE_512: any; /** * Use a buffer of 1024 samples for the Fast Fourier transform. This is a compromise between latency and stability over time. * */ static FFT_SIZE_1024: any; /** * Use a buffer of 2048 samples for the Fast Fourier transform. High latency, but stable over time. * */ static FFT_SIZE_2048: any; /** * Use a buffer of 4096 samples for the Fast Fourier transform. Highest latency, but most stable over time. * */ static FFT_SIZE_4096: any; /** * Represents the size of the [enum FFT_Size] enum. * */ static FFT_SIZE_MAX: any; }