Core Signal Engine & Mathematics

Engineered in Rust. Calculated in Microseconds.

Plot Audio does not use pre-recorded sample gigabytes. Every resonance, reed pressure, and capacitor voltage is computed in real time using SIMD vector instructions on bare metal.

0.32 ms

Total Round-Trip Latency

0 allocs

Real-time Audio Thread

53-TET

Microtonal Scale Division

96 kHz / 32f

Internal Sampling Rate

Latency Pipeline · 0.32 ms Round-TripASIO / COREAUDIO

Standard virtual instruments introduce 5 to 15 ms of sluggish buffer lag. Plot Audio uses zero-copy memory pipelines and SIMD registers to achieve acoustic immediacy comparable to physical hardware.

01Host Audio Buffer

CoreAudio / ASIO driver direct

0.16 ms16 samples @ 96kHz

02Rust SIMD DSP Processing

Vectorized PDE calculations

0.04 ms4 samples @ 96kHz

03Non-linear Oversampling Stage

Diode saturation & anti-aliasing

0.02 ms2 samples @ 96kHz

04DAC Reconstruction & Output

Analog output converter

0.10 ms10 samples @ 96kHz

Combined Total Round-Trip:0.32 ms (32 samples @ 96kHz)

Rust SIMD & Safety GuaranteesSTABLE 1.85+

#1. Zero Allocations

No memory allocation, locks, or garbage collection in the audio thread. Zero glitches or audio drops under high polyphony.

#2. SIMD Vectorization

Calculates 8 physical wave reflection points simultaneously using AVX2 on Intel/AMD and 128-bit NEON on Apple Silicon.

#3. Thermal Drift Simulation

Simulates realistic ambient temperature swings (0.08% variance) across analog VCOs, giving true analog living breath.

#4. CLAP & VST3 Thread Pool

Supports modern CLAP thread-pool extensions to distribute voices intelligently across multi-core processors.

Differential EquationsPDE SOLVER

1D Acoustic Waveguide

∂²u/∂t² = c²(∂²u/∂x²) - 2b(∂u/∂t)

Resolves acoustic traveling pressure waves along cylindrical and conical air columns with viscous wall boundary dissipation.

Applied in: Clarinet bore, bamboo tubes, plucked strings

2D Modal Membrane PDE

ρ(∂²w/∂t²) + D∇⁴w + γ(∂w/∂t) = P(x,y,t)

Calculates radial and angular vibration modes over tensioned skin membranes with authentic rim strike transient propagation.

Applied in: Darbuka aluminum goblet, symphonic kettles

Diode Ladder Non-Linearity

I_out = I_s · (exp(V_be / 2V_t) - 1)

Simulates thermal transistor voltage-current curves with true dynamic self-oscillation and non-linear harmonic saturation.

Applied in: Novara poly, Solar 42 VCF, Diode-Ladder 24

53-TET Microtonal TuningHERMODE DYNAMICS

Western 12-TET equal temperament sacrifices pure mathematical harmonic intervals. Plot Audio's 53-TET engine divides the octave into 53 commas, delivering pure 5/4 natural thirds and authentic Turkish, Arabic, and Just Intonation tunings.

Pythagorean Comma23.46 cents

Syntonic Comma (5/4 third)21.51 cents

Holdrian Comma (1/53)22.64 cents

Octave Divisions53 Equal Steps

Benchmark Verification

Compare Plot Audio against sample libraries

Instant load times (under 50ms), 95% less RAM footprint, and infinite velocity gradation without velocity-layer stepping.

Download Trial DSP Whitepaper