Development and production of audio and measurement technology for professional sound reinforcement
Four Audio
New on Amplifa
About Four Audio
Four Audio develops audio and measurement technology in hardware and software for professional sound reinforcement. The offering includes OEM development and production of DSP/power amplifier solutions for manufacturers of sound reinforcement and hi-fi loudspeakers as well as system integrators. This includes scalable system software with preset creation including FIR filter calculation, SPL calculation for distributed systems, beamsteering and system equalization (Auto EQ). In the field of measurement technology, Four Audio supplies systems for loudspeaker and room acoustics measurements as well as automated QC solutions for manufacturing, including the computer-controlled 3D loudspeaker measurement system ELF for balloon measurements and the directivity measurement system ANT for loudspeakers up to 1000 kg. Areas of application are public address, art, church and concert.
- Processes
- OEM development and production of DSP/power amplifier solutions, Consulting for loudspeaker manufacturers and system integrators, System software including preset creation and FIR filter calculation, SPL calculation for distributed systems, Beamsteering, Auto EQ / system equalization, Measurement technology for loudspeakers and room acoustics, Automated QC solutions in manufacturing
- Materials
- DSP/Power Amplifier Solutions, FIR Filter Calculation, Automated QC Solutions, Beamsteering
- Industries
- Professional Sound Reinforcement, Art, Church, Concert, Loudspeaker Manufacturing, HiFi
- 01
Consulting and requirements analysis
- 02
Development (hardware/software)
- 03
OEM production of DSP/power amplifier solutions
- 04
System software including presets and FIR filter calculation
- 05
Measurement technology and automated QC in manufacturing
Processes & Technologies
DSP/Power Amplifier Solutions
OEM development and production of digital signal processing and power amplification for loudspeaker manufacturers.
FIR Filter Calculation
Calculation of FIR filters for loudspeaker equalization and uniform sound distribution.
Automated QC Solutions
Software-based measurement systems for quality assurance in loudspeaker manufacturing.
Beamsteering
Iterative FIR filter calculation for individual loudspeaker channels for targeted sound steering including Auto EQ.
Industries
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Computer-controlled 3D loudspeaker measurement system (balloon measurements) | Four Audio ELF | – | – | – | – |
| Directivity measurement system for loudspeakers up to 1000 kg | Four Audio ANT | – | – | – | – |
| Universal audio/acoustics measurement system (software-based, among other things for quality | Four Audio WinMF | – | – | – | – |
Additional services
History
- 2021
New website based on WordPress launched online
- 2022
Article about the new WordPress website published