Crate sim_lib_audio_dsp 

Reusable pure Rust DSP processors, bandlimited sources, and fixed-state sample-rate conversion for the SIM audio graph.

Re-exports

pub use cookbook::audio_processing_trace_demo;

pub use cookbook::offline_chain_demo;

Modules

cookbook

Deterministic cookbook builders for audio-DSP recipes.

Structs

AllPassFilter

A Schroeder all-pass filter Processor with per-channel delay lines.

AudioDspLib

Host-registered lib exporting the reusable DSP processor cards, built on the shared SurfacePackLib substrate.

BandlimitedOscillator

Realtime oscillator with one preallocated phase and integrator per channel.

BiquadFilter

A per-channel RBJ biquad filter Processor.

Chorus

A chorus Processor built on a modulated delay.

CombFilter

A feedback comb filter Processor built on a delay line.

Compressor

A per-channel feed-forward compressor Processor.

DcBlocker

A Processor that removes DC offset with a per-channel one-pole high-pass.

DelayLine

A circular delay buffer with fractional, linearly interpolated reads.

DelayProcessor

A per-channel delay Processor with feedback and dry/wet mix.

DspConfigDescriptor

Citizen descriptor for a DSP processor configuration: a kind name plus a list of named f64 parameters.

DynamicsEnvelope

A peak envelope follower with separate attack and release time constants.

Flanger

A flanger Processor built on a feedback-modulated delay.

FractionalDelay

A fully wet fractional delay Processor wrapping DelayProcessor.

Gain

A Processor that scales every channel by a fixed linear gain.

Gate

A per-channel noise gate Processor.

GoldenFixture

A deterministic input/expected-output pair for regression-testing a Processor offline.

Limiter

A brick-wall limiter Processor built on a fast, high-ratio compressor.

ModulatedDelayProcessor

An LFO-modulated delay Processor underpinning chorus, flanger, and vibrato effects.

OnePoleFilter

A per-channel one-pole low-/high-pass filter Processor.

OscillatorPolicy

Explicit oscillator frequency, waveform, level, and bandlimit policy.

OversamplingWrapper

A Processor that runs a NonlinearSampleProcessor at an integer oversampling factor, interpolating each input across the oversampled steps.

Pan

A Processor applying equal-power stereo panning.

PolyphaseResampler

Streaming windowed-sinc polyphase resampler with fixed callback state.

ResampleReport

Per-call accounting from PolyphaseResampler::process_interleaved.

ResamplerPolicy

Fixed construction policy for PolyphaseResampler.

SmoothValue

A linearly ramped scalar that glides from its current value to a target over a fixed number of samples.

SmoothedGain

A Processor applying a click-free gain that ramps toward parameter-set targets received as block events.

SoftClipper

A Processor soft-clipping via a tanh Waveshaper.

StateVariableFilter

A per-channel zero-delay-feedback state-variable filter Processor.

Vibrato

A vibrato Processor (fully wet modulated delay).

Waveshaper

A Processor applying a nonlinear waveshaping curve with drive and output gain.

Enums

BandlimitPolicy

Anti-aliasing policy applied at oscillator discontinuities.

BandlimitedWaveform

Periodic waveform generated by BandlimitedOscillator.

BiquadKind

Response type of a BiquadFilter.

OnePoleMode

Mode of a OnePoleFilter.

ResampleError

Invalid construction or bounded callback request from a resampler.

StateVariableMode

Output tap selected from a StateVariableFilter.

Waveshape

Nonlinear transfer curve used by Waveshaper.

Statics

RECIPES

Cookbook recipes for this lib, embedded at build time.

Traits

NonlinearSampleProcessor

A per-sample nonlinearity that can be wrapped by OversamplingWrapper.

Functions

audio_dsp_symbols

Returns the namespaced symbols for every DSP processor card this lib exports.

dsp_config_class_symbol

Returns the class symbol under which DSP configs register as citizens.

install_audio_dsp_lib

Installs AudioDspLib into the context once, idempotently.

r30_delay_golden_fixture

Returns the R30 delay golden fixture (a two-sample impulse delay).

r30_gain_golden_fixture

Returns the R30 gain golden fixture (a 0.25x gain reference).

run_offline

Prepares and runs processor over a fixture’s input, returning the rendered output lanes for comparison against GoldenFixture::expected.

Type Aliases

OversampledSoftClipper

An oversampled tanh soft clipper, the default OversamplingWrapper.