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SirenOsc V1.3.2

Electro-Mechanical Siren Synthesizer

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SirenOsc

ELECTRO-MECHANICAL SIREN SYNTHESIZER - APHIDAKS

PRESETS ▶

BUILT-IN PRESETS

Federal Signal 3T22 (Default)

IMPORT OSCP

SAVE OSCP

RESET

EFFECTS ON

FAST MODE OFF

POP-UPS ▶

TOGGLE POP-UPS

Startup Warning

Audio Tip

Update Notice

Reset Suggestion

TEXT DEBUG

RECORD MODE

SCALE ▶

UI SCALE

110%

THEME ▶

SELECT THEME

Default (Dark/Green)

Classic (Dark/Green)

Dark / Orange

Dark / Gray

Dark / Dark Blue

Light / Purple

Light / Black

Light / Red

FONT ▶

SELECT FONT

Share Tech Mono

Open Sans

TUTORIAL SUBREDDIT

CHECK OUT THE SIRENSTUDIO SUBREDDIT!

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SirenOsc

Electro-Mechanical Siren Synthesizer

Made by @AphidAks

© 2026 AphidAks — CC BY-NC-SA 4.0

IMPORT OSCP

main.json

controls.json

timbre.json

oscillators.json

functions.json

diagram.json

effects.json

blower.json

rotation.json

constants.json

posfx.json

customfns.json

Model—

Mfg—

Creator—

Desc—

Version—

SAVE OSCP

main.json

controls.json

timbre.json

oscillators.json

functions.json

diagram.json

effects.json

blower.json

rotation.json

constants.json

posfx.json

customfns.json

MODEL

MANUFACTURER

AUTHOR

DESCRIPTION

TYPOGRAPHY DEBUG

Chopper Diagram SINGLE-TONE

HIGH ROTOR

LOW ROTOR

0 RPM RPM OVER TIME PEAK

─ WAVEFORM OSCILLOSCOPE 0 Hz

Timbre Oscillator

Peak RPM

Chopper Config

Waveform

IDLE

0 RPM

H.Port
0Hz

L.Port
0Hz

H.Vane
0Hz

L.Vane
0Hz

Undertone
0Hz

Overtone
0Hz

PAGE 1 / 1

Mixer65% CAP

High Rotor100%

High Vanes45%

Low Rotor95%

Low Vanes40%

Undertone30%

Overtone50%

Output Volume100%

Detune

Detune

0 ct

±100 CENTS

-8 ct

Dampers

Constant Undulate

Disconnect

Override

Def. Status

Delay

Idle

Wind-Up

Steady

Wind-Down

Damper Audio

SFX
ONVOLUMEIMPORT

HUM 60%

OPEN 50%

CLOSE 80%

Sequence ACTIVE

Steps 4 (2–8)

Presets

RPM Raise

Raise Time (s)

Return Time (s)

Rate (ms)

Rate Offset (ms)

Contactor Motor SIMULATED

Side 1: ON

Side 2: OFF

Side 3: ON

Side 4: OFF

MAX RPM: --

Contactor Wind-up

Offset (s)

Function

Contactor Wind-down

Offset (s)

Function

CTR: 0

Controls

Power

Active

Brake Offset (s)

Brake Function

Signal Cycle

ON Timer (s)

OFF Timer (s)

ON Timer —

OFF Timer —

Custom Signal

On (ms)

Off (ms)

Oscillators

Functions

Wind-up

Offset (s)

Function

Wind-down

Offset (s)

Function

Shut-Dampers Function ACTIVE

Auto-fill

Wind-up

Offset (s)

Function

Wind-down

Offset (s)

Function

Pitch Decline

Enable Pitch Decline

Declined RPM

Decline Time (s)

Function

RPM Snapping

Normal Function Active

Torque Function Active

Vibrato

Enable Vibrato

Speed (s/cycle)

Depth (RPM)

Torque Switching

Enable Torque Switch

Switch RPM

Offset (s)

Function

Dual Motor ACTIVE

RPM Offset

Delay (ms)

Motor 1 RPM 0

Motor 2 RPM 0

Effects

RPM LOW PASS FILTER

Slope

Function

At 0 RPM (%)

At Peak RPM (%)

Curve Offset
0

Cutoff

-- Hz

REVERB 1

Impulse Response File

LOAD IR No file loaded

Housing Preset

Room Size
0%

Decay
100%

Diffusion
0%

Color (HF Damp)
45%

Low Cut
20 Hz

Pre-Delay (ms)

DRY WET 35%

BLOWER

Amplitude
40%

Smoothing
100%

Output Gain
9%

Crossover Fade (RPM-linked)

Wind-down fade out

Cutoff RPM

Fade Time (s)

Wind-up fade in

Fade-in RPM

Fade-in Time (s)

Vol Reduction
NONE FULL 90%

DRY WET 100%

IDLE

Constant Blower Link

Wind-Up Offset (s)

Wind-Up Func

Wind-Down Offset (s)

Wind-Down Func

REVERB 2

Impulse Response File

LOAD IR No file loaded

Distance Preset

Room Size
100%

Decay
48%

Diffusion
9%

Color (HF Damp)
60%

Low Cut
80 Hz

Pre-Delay (ms)

DRY WET 100%

LOW PASS FILTER

Cutoff (Hz)

Resonance (Q)

DRY WET 65%

HIGH PASS FILTER

Cutoff (Hz)

Resonance (Q)

DRY WET 100%

DISTORTION

Drive
5%

Tone (Post LPF Hz)

Character

Output Gain
100%

DRY WET 60%

NORMALIZER

Pre-Gain
100%

Post-Gain
100%

Ceiling (dBFS)

Gain Reduction

0.0 dB

REVERB 3

Impulse Response File

LOAD IR No file loaded

IR Preset

Room Size
100%

Decay
48%

Diffusion
9%

Color (HF Damp)
60%

Low Cut
80 Hz

Pre-Delay (ms)

DRY WET 25%

Function Manager

Uses Modified FL Studio FFC Syntax

+ Add New Function

Name

Equation

Input →
invalid equation

Constants

A

Frequency (Hz)

Waveform

Volume
1%

LPF Cutoff (%)
8%

Blower Link IDLE

RPM-Linked LPF -- Hz

B

Frequency (Hz)

Waveform

Volume
1%

LPF Cutoff (%)
21%

Blower Link IDLE

RPM-Linked LPF -- Hz

Position Effects Spatial FX

POSITION MAP

-12mi0+12mi

Directionality

Scale ctrl+scroll

Unit

Listener X

Listener Y

Distance to Siren
--

SPL at Listener
--

Effective Gain
--

LPF Cutoff
--

DISTANCE

Rotation Speed (sec)
4s

Depth
70%

200%

20000 Hz

40%

8D Range (ft)

DB @100FT

Max Dispersion

Min Dispersion

Mid Dispersion AUTO

-20

DIRECTION Rotation

0%

Peak Wet %

Max RPM

Type

Angle (°)

Min Filter Open (%)

Filter Floor (Hz)

Filter Open (Hz)

Resonance (Q)

SIDE 1 - NORTH

100%

SIDE 2 - SOUTH

100%

Start RPM

Stop RPM

Stop Delay (s)

Rotator Wind-up

Offset (s)

Function

Rotator Wind-down

Offset (s)

Function

Oscillation

Farthest Angle

Pause (s)

Sine

Collector Ring Wear CUT

Panning Strength
50%

Rotation Speed (sec)
4s

35%

00000

RPM

Made in
SirenOsc
BY APHIDAKS

Frequency Monitor

H.Port

--

0 Hz

L.Port

--

0 Hz

H.Vane

--

0 Hz

L.Vane

--

0 Hz

Undertone

--

0 Hz

Overtone

--

0 Hz

PAGE 1 / 1

Const A

MAX

-- Hz

Const B

MAX

-- Hz

Chopper Diagram

1 / 1

Line Graph

Oscilloscope 0 Hz

Controls

Dampers

SEQ Const Undulate

Sequence

Contactor
DISABLED

Cur

0 RPM

Max

-- RPM

S1: ON

S2: OFF

S3: ON

S4: OFF

Rotation
OFF

Max RPM

-- RPM

Mode

Linked

Speed

0 RPM

Angle

0°

Information

Model —

Mfg —

Desc —

Creator —

Made In —

Pos Map

—

SirenOsc

HELP

Typography Debug
drag to move

SirenOsc Logo

RPM Indicator

Oscillator Indicator

Section Header

Big Button Text

Pop-up Text

Small Section Label

Small Button Text

Internal Input Text

Indicator Label

Button Label

Input Label

Slider Label

Dropdown Label