How does the 360 Spatial Sound Mapping technology work?

360 Spatial Sound Mapping technology is a groundbreaking feature developed by Sony that enhances the audio experience of their soundbars, such as the HT-A8000. This technology creates an immersive sound environment by generating phantom speakers from a limited number of actual speakers, allowing for a surround sound experience that feels expansive and enveloping.

How It Works

1. Phantom Speaker Creation: The core of 360 Spatial Sound Mapping lies in its ability to simulate additional speakers. By utilizing advanced algorithms, the system can create up to twelve phantom speakers from just four physical speakers. This is achieved through precise audio processing that manipulates sound waves, making it seem as if sound is emanating from various directions around the listener, even from angles where no actual speakers are present.
2. Room Calibration: Before delivering sound, the system performs an automated calibration to analyze the room's acoustics. This process helps optimize the audio output based on the specific characteristics of the space, ensuring that sound is projected effectively throughout the room.
3. Reflection and Dispersion: The technology also takes advantage of reflections off walls and ceilings to enhance the spatial audio effect. By carefully controlling how sound waves are dispersed in the room, it creates a more natural and immersive listening experience, akin to being in a theater or concert hall.
4. Integration with Surround Sound Formats: 360 Spatial Sound Mapping works seamlessly with popular surround sound formats like Dolby Atmos and DTS:X. This compatibility allows users to enjoy high-definition audio content that further enriches the immersive experience.
5. Optional Rear Speakers: For those seeking an even more enhanced experience, adding optional wireless rear speakers can increase the effectiveness of 360 Spatial Sound Mapping. This addition allows for a greater number of phantom speakers and a more pronounced surround sound effect.

In summary, Sony's 360 Spatial Sound Mapping technology transforms how users experience audio by creating an expansive soundstage from a compact setup, making it ideal for home theaters without the need for extensive speaker installations.

Citations:
[1] https://www.whathifi.com/features/ive-seen-how-sony-360-reality-audio-works-and-i-am-now-a-believer
[2] https://shopatsc.com/products/ht-a8000-sa-sw3
[3] https://www.sony.net/corporate/information/news/202212/22-041E/
[4] https://www.sony-asia.com/electronics/360-reality-audio
[5] https://www.audiotrends.com.au/sony-bravia-theatre-bar-8-dolby-atmos-soundbar.html
[6] https://www.sevenoakssoundandvision.co.uk/p-61290-sony-bravia-theatre-bar-8-soundbar-ht-a8000.aspx
[7] https://www.sony.com/en-bj/electronics/sound-bars/ht-a9
[8] https://www.youtube.com/watch?v=QPKQbM32JVc