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△ Introducing DeltaSound

DeltaSound is an audio technology company. We develop audio systems optimized for specific spaces and operating environments by analyzing their acoustic characteristics.

The name Delta (Δ) represents change and difference. Our technical approach is to measure and analyze acoustic characteristics that vary with spatial structure, installation conditions, and system operation, and apply the results to system design and optimization.

As an early-stage company, DeltaSound is building its product portfolio and business track record based on the accumulated experience of its founder and engineering team in professional audio and sound reinforcement. This experience includes power amplifiers, mixing consoles, DSP, acoustic measurement, control software, system development, certification, patents, and public procurement.

DeltaSound is developing technologies and products that integrate loudspeakers, amplifiers, DSP, networking, control software, and acoustic measurement into unified audio systems. Our goal is to deliver reliable products and practical solutions supported by objective measurement and verification.

△ Core Technologies

DeltaSound designs and implements integrated audio systems covering the complete signal chain—from input and processing to amplification, transmission, control, measurement, and analysis.

Class-D Power Amplifier Technology

We evaluate amplifier power supplies, output stages, protection circuits, thermal performance, efficiency, sound quality, and operational stability.

Depending on product requirements, DeltaSound develops appropriate specifications and works with specialized manufacturers to select suitable amplifier architectures and components. Proven OEM amplifier modules may also be integrated where appropriate. Output power, distortion, noise, frequency response, and stability are verified through precision testing.

DSP-Based Audio Processing

DeltaSound designs DSP signal-processing architectures incorporating equalization, filters, crossovers, delay, limiters, mixing, and signal routing.

Suitable platforms, including SigmaDSP and SHARC, are selected according to project requirements. In collaboration with specialized technology partners, DeltaSound defines DSP functions and is responsible for system integration, application design, and performance verification.

Acoustic Measurement, Analysis, and Optimization

We measure and analyze frequency response, sound pressure level variation, propagation delay, phase characteristics, and reflections in actual spaces. FFT and MTW-based methods are used to identify acoustic and system-related issues in both the time and frequency domains.

DeltaSound is also developing proprietary software that connects measurement data with system control to derive appropriate correction parameters. Research includes room-acoustic optimization using mathematical estimation methods and AI-based models.

Precision Audio Measurement and Verification

Using Audio Precision audio analyzers, DeltaSound evaluates the electrical performance of power amplifiers, preamplifiers, mixers, and DSP systems.

Measurements include maximum output power, THD+N, SNR, frequency response, noise floor, channel balance, phase, crosstalk, IMD, and clipping characteristics. The results are used for design review, performance improvement, and product verification.

Network Control and System Integration

DeltaSound integrates power amplifiers, DSP systems, audio I/O devices, and control software using TCP/IP- and UDP-based communication.

We develop control environments for device configuration, status monitoring, parameter control, and real-time operation. Loudspeakers, amplifiers, DSP, digital audio networks, control software, and measurement technologies are combined into systems designed for public facilities, educational institutions, auditoriums, conference rooms, gymnasiums, and other professional spaces.

Our system designs consider not only individual device performance but also interoperability, ease of operation, maintenance, and overall reliability.

△ Key Certifications and Technology Milestones

2026.07 | Business Registration | Established and registered as a corporation engaged in the development and manufacturing of professional audio equipment and public address systems, as well as related technology businesses

2026.07 | Factory Registration | Completed factory registration for the manufacturing of professional audio and broadcasting equipment

2026.08 | SME Certification | Certified as a small and medium-sized enterprise under the Framework Act on Small and Medium Enterprises by the Ministry of SMEs and Startups

2026.08 | Corporate R&D Center Established | Established a KOITA-certified corporate R&D center for audio equipment, broadcasting systems, and software development

2026.08 | Technology Patent Application | Filed a patent application for an audio device and software based on proprietary sound control technology

2026.08 | Technology R&D Collaboration | Established an R&D collaboration framework with a domestic technology development company for DSP-based audio systems

2026.08 | Expansion of Overseas Amplifier Component Supply Network | Established an OEM business relationship and component supply network with a European professional audio amplifier module manufacturer

2026.09 | Precision Audio Measurement and Analysis System Established | Established a testing environment for audio analysis, product performance verification, and optimization based on the latest Audio Precision APx software

2026.09 | ISO 9001 Certification | Obtained quality management system certification for professional audio and broadcasting equipment

2026.09 | Information and Communications Construction Business Registration | Registered as an information and communications construction business under the Information and Communications Construction Business Act with Busan Metropolitan City

2026.09 | KC Product Certification | Obtained KC safety and electromagnetic compatibility certifications for two DSA Series professional power amplifier models

2026.09 | Korea ON-line E-Procurement System Registration | Completed competitive bidding eligibility registration and manufacturer registration for audio amplifiers and other broadcasting equipment with the Public Procurement Service

2026.09 | Startup Company Certification | Certified as a startup company under the Support for Small and Medium Enterprise Establishment Act by the Busan Regional Office of SMEs and Startups

2026.09 | New Product Launch | Launched the DSA-800X4 and DSA-500X4 Professional Class-D Power Amplifiers

2026.10 | Direct Production Confirmation Certificate | Obtained a Direct Production Confirmation Certificate for public address systems under the Act on Facilitation of Purchase of Small and Medium Enterprise-Manufactured Products and Support for Development of Their Markets