What does spatial audio mean?

Spatial audio is an audio technology that goes far beyond stereo and surround sound, and can bring users a more immersive and spatial audio content experience. Spatial audio is based on the artificial sound field as the core, which can accurately present the vast sound field effect of three-dimensional space, and restore the music experience with a more sense of presence, distance, direction and movement.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Spatial audio is an audio technology that goes far beyond stereo and surround sound. It can bring users a more immersive and spatial audio content experience, enabling "users to be inside the song" when listening to music. Feel.

"Spatial audio" will be based on the artificial sound field core, which can accurately present the vast sound field effect of three-dimensional space, and restore a music experience with a more sense of presence, distance, direction and movement. At the same time, we are also exploring new experiences of spatial audio in intelligent connected car scenarios, and supporting the expansion of professional-quality spatial audio content.

"Spatial Audio" can simulate the multi-channel sound effects of a theater to create a strong sense of space, and calculates the position of the user's head wearing AirPods Pro through the accelerometer and gyroscope on the device. The positioning of each simulated channel is also guaranteed when the user rotates their head.

Extended information:

At the Apple Developer Conference in July 2020, Apple announced a new “spatial audio” function for AirPods Pro, saying This spatial audio function supports 5.1/7. 1 audio sources and Dolby sound effects, and can sense the movement of the head through the built-in gyroscope to track and synchronize the sound field in all directions in real time.

Spatial audio is not an unfamiliar thing to most people. Its basis is derived from simulating 7.1-channel e-sports headphones. As FPS games have ignited the demand for "sound position identification" in the e-sports market, sound algorithm technology that brings a more precise sense of position through algorithms has also attracted more and more attention from headphone manufacturers.

As the market gradually becomes saturated, manufacturers are beginning to seek breakthroughs in new directions. For example, Apple’s updated spatial audio uses gyroscopes to lock the sound field, and uses algorithms to change the direction of the sound field for users. feel.

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