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3D Spatial Audio is a rapidly-emerging consumer electronics segment. GOWIN Semiconductor has developed a different way of creating 3D Spatial Audio. Our solution produces sound waves that users' brains detect at only one ear at a time without a headset, and we use this to produce an immersive home theater surround sound experience from a single loudspeaker array. This greatly simplifies home theater systems, opening an upscale niche into a mass market
Features
- Original psychoacoustic technology
- Unique sound waves for each ear, spatially encoded
- Effective for many listeners in a large area
- Wall-to-wall, floor-to-ceiling immersive experience
- Produces a multi-channel immersive sound experience from a single smart speaker
- MUCH louder than ANY other multi-channel speaker of similar size
Configuration and Scales
Linear arrays
- 8 or more speakers
- 1.75" or greater spacing
- Array width 14" or greater
3D-Cluster arrays
- 8 or more speakers
- Fits in cylinderic shape
- 8" diameter and 8" height
More Surround Sound From Less Hardware
- Algorithm drives all amplifiers and speakers with all the channels all the time
- All hardware is producing EACH channel
- Result: +18dB louder sound per channel (1 speaker @ 1 Watt vs. 8 speakers @ 1 Watt each)
- Lower cost for greater SPL
- Multi-channel soundbars can be more compact
- TVs and gaming monitors with embedded micro-speakers can produce impressive surround sound with clearer, more powerful center-channel speech/dialog intelligibility
Total System Architecture
GOWIN's signal processing has been architected for easy implementation into cost-effective consumer products. Its input is compatible with typical "upstream" modules used in many AV receivers and other popular consumer audio products, and its output is compatible with many popular 2-channel and 4-channel Class-D power amplifier ICs. It is capable of being operated as a co-processor that requires no support from other system resources, which further simplifies its implementation
Chip Architecture
- It is 100% digital
- It operates at a relatively low frequency (24.576MHz clock)
- The volume controls, BIQUAD (parametric EQ) filters and matrix filters are programmed via I2C
- It requires minimal peripheral circuitry (clock oscillator, power supplies)
- It requires very little glue logic and support circuitry