![]() ![]() Traditional surround technologies are more immersive than simple two-channel stereo, but the principle behind them is the same: they all create an audio image by sending audio to a specific, pre-determined array of speakers. And there are reasons why Ambisonics, rather than classic surround formats, has been adopted as the technology of choice for emerging VR and 360 applications. But they are not the same, and there are major differences between them. SurroundĪmbisonics 360 audio is sometimes confused with traditional surround sound technologies. The most popular Ambisonics format today, widely used in VR and 360 video, is a 4-channel format called Ambisonics B-format, which uses as few as four channels (more on which below) to reproduce a complete sphere of sound. The center point is where the microphone is placed while recording, or where the listener’s ‘sweet spot’ is located while playing back. The basic approach of Ambisonics is to treat an audio scene as a full 360-degree sphere of sound coming from different directions around a center point. It was invented in the 1970s but was never commercially adopted until recently with the development of the VR industry which requires 360° audio solutions. The information on this page will help you understand the basic concepts of Ambisonics and the basic workflow of handling 360-degree audio projects in Ambisonics format.Īmbisonics is a method for recording, mixing and playing back three-dimensional 360-degree audio. The most popular audio standard for handling and delivering such audio is called Ambisonics, and professional Ambisonics audio tools adapted to the familiar workflow of audio engineers are now available. If you’re a sound engineer, you are more likely than ever to be working on projects that involve converting, mixing, panning and playing back 360 audio. In recent years, VR game engines, 3D installations, and 360° videos on social media such as YouTube and Facebook have all become dependent on full-immersion, three-dimensional, 360-degree audio. Need to mix audio for 360 videos or VR projects and not sure where to start? Get a jumpstart with this basic guide to Ambisonics B-format, the most widely used audio format for 360 applications.
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