ZIAA ARCHIVE RECORDPROTOTYPES
PROT-061prototypeVERIFIED RECORD
32-Channel Hemispherical Ambisonic Loudspeaker Dome for Immersive Art (Revision 2.1)
PROT-061: AMBISONIC-DOME-V2CLEARANCE: 1-ALPHASTATUS: ACTIVE BENCHYEAR: 2021
32-Channel Hemispherical Ambisonic Loudspeaker Dome for Immersive Art (Revision 2.1)
Discipline: Acoustic Architecture · Lead Researcher: Dr. V. Aris Thorne
OPERATIONAL ABSTRACT
A geodesic 6-meter aluminum dome fitted with 32 point-source coaxial monitors, creating holographic spatial sound environments for public art exhibitions. Enhanced revision 2 with improved low-noise shielding and updated real-time firmware.
TECHNICAL SUMMARY & TRANSDUCTION DYNAMICS
Precision calibrated coaxial speakers receive dedicated low-latency audio via Dante over Gigabit Ethernet. Dedicated DSP calibration filters compensate for room acoustic boundary reflections. Calibrated for studio and field use under ZIAA experimental protocols. Harmonic distortion measured under 0.02% across primary operating range.
ENGINEERING SPECIFICATIONS
DIMENSIONS
480 × 210 × 95 mm
OPERATIONAL BANDWIDTH
10 Hz – 22 kHz
POWER CONSUMPTION
12 W (12V DC Linear Supply)
SIGNAL-TO-NOISE
108 dB (A-Weighted @ 1 kHz)
PRIMARY TRANSDUCER
32 Coaxial 5-inch active studio monitors with Class-D amplification
COMPUTATIONAL CORE / DSP
Redundant Cisco Gigabit switches with PTP boundary clocking
VECTOR TECHNICAL SCHEMATIC // BLUEPRINT
FIG 1.1 // AXIAL CROSS-SECTION ELEVATION
REF: AMBISONIC-DOME-V2-SEC-APLAYABLE PROTOTYPE ACOUSTIC EMISSION BENCH
ZIAA ACOUSTIC SYNTHESIS TEST BENCH // V4.1STANDBY
AMBISONIC-DOME-V2 // CALIBRATION PROFILE
CH-A TIME-DOMAIN OSCILLOSCOPE (1024-PT)STEREO BINAURAL
CH-B 64-BAND SPECTRAL OCTAVE DECOMPOSITION20 Hz – 20 kHz
CARRIER110.0 Hz
FM RATE2.5 Hz
BINAURAL Δ±3.5 Hz
CUTOFF1840 Hz
RESONANCE Q7.5
CAVITATION8%
WAVE:
FILTER:
35%
BILL OF MATERIALS (BOM) & COMPONENT TOLERANCES
| Component | Supplier | Part No. | Tolerance |
|---|---|---|---|
| Precision Audio Transducer Assembly | ZIAA Precision Machining Shop | ZIAA-TX-110 | ±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-200 | 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.