ZIAA ARCHIVE RECORDPROTOTYPES
PROT-075prototypeVERIFIED RECORD
Algorithmic Polyphony Engine with Microtonal Just-Intonation Grids (Revision 3.3)
PROT-075: ALGO-POLYPHONY-V3CLEARANCE: BLACK-BOXSTATUS: CONTAINED HAZARDYEAR: 2023
Algorithmic Polyphony Engine with Microtonal Just-Intonation Grids (Revision 3.3)
Discipline: Computational Creativity · Lead Researcher: Dr. Evelyn O'Connor
OPERATIONAL ABSTRACT
A standalone polyphonic synthesizer dedicated to historical and experimental microtonal tuning systems, calculating dynamic pitch drift for up to 16 voices. Enhanced revision 3 with improved low-noise shielding and updated real-time firmware.
TECHNICAL SUMMARY & TRANSDUCTION DYNAMICS
Mathematical ratio calculators compute exact Just Intonation frequencies in real time, retuning voices dynamically based on harmonic root changes to eliminate dissonant beating. Calibrated for studio and field use under ZIAA experimental protocols. Harmonic distortion measured under 0.02% across primary operating range.
ENGINEERING SPECIFICATIONS
DIMENSIONS
400 × 280 × 175 mm
OPERATIONAL BANDWIDTH
30 Hz – 38 kHz
POWER CONSUMPTION
54 W (12V DC Linear Supply)
SIGNAL-TO-NOISE
108 dB (A-Weighted @ 1 kHz)
PRIMARY TRANSDUCER
Optical encoder dials with multi-color OLED frequency readouts
COMPUTATIONAL CORE / DSP
Dual Teensy 4.1 microcontrollers operating in parallel with 32-bit I2S DAC
VECTOR TECHNICAL SCHEMATIC // BLUEPRINT
FIG 5.1 // GEOLOGICAL BOREHOLE STRATA & GEOPHONE TOPOLOGY
FACILITY: ALGO-POLYPHONY-V3PLAYABLE PROTOTYPE ACOUSTIC EMISSION BENCH
ZIAA ACOUSTIC SYNTHESIS TEST BENCH // V4.1STANDBY
ALGO-POLYPHONY-V3 // CALIBRATION PROFILE
CH-A TIME-DOMAIN OSCILLOSCOPE (1024-PT)STEREO BINAURAL
CH-B 64-BAND SPECTRAL OCTAVE DECOMPOSITION20 Hz – 20 kHz
CARRIER165.0 Hz
FM RATE7.3 Hz
BINAURAL Δ±2.5 Hz
CUTOFF1220 Hz
RESONANCE Q8.0
CAVITATION14%
WAVE:
FILTER:
35%
BILL OF MATERIALS (BOM) & COMPONENT TOLERANCES
| Component | Supplier | Part No. | Tolerance |
|---|---|---|---|
| Precision Audio Transducer Assembly | ZIAA Precision Machining Shop | ZIAA-TX-124 | ±0.02 mm |
| Ultra-Low-Noise Operational Amplifiers | Texas Instruments / Burr-Brown | OPA1612A-SOIC8 | 0.000015% THD+N |
| Embedded DSP Microcontroller Core | PJRC / STMicroelectronics | Teensy 4.1 ARM Cortex-M7 | Industrial -40C to +85C |
| Conductive Plastic Continuous Potentiometers | Bourns Electronics | 3852A-282-103AL | ±10% Linear |
| Machined Anodized Aluminum Enclosure | ZIAA Mechanical Prototyping Bench | ENC-AL-214 | MIL-A-8625 Type II |
BENCH & FIELD OPERATION NOTES
- High acoustic output capability: monitor SPL levels during resonant feedback experiments.
- Precision optical components: protect lenses from direct dust and moisture during field deployment.