Surround microphonation, also known as surround sound recording or multichannel microphone techniques, is a method of capturing audio that aims to replicate the spatial realism of human hearing by using multiple microphones strategically placed around a sound source or environment. Unlike traditional stereo recording, which typically employs two microphones to create a sense of left and right positioning, surround microphonation utilizes three or more microphones to capture sound from all directions, including front, back, sides, and above.The primary goal of surround microphonation is to immerse listeners in a lifelike audio experience that closely mirrors the way humans perceive sound in real-world environments. By capturing sound from multiple directions, surround recordings can convey a sense of depth, dimensionality, and spatial placement, enhancing the realism and immersion of the listening experience.There are several techniques and microphone configurations used in surround microphonation, each offering unique advantages and characteristics. Common setups include the use of omnidirectional, cardioid, or shotgun microphones arranged in arrays or distributed around a recording space. Ambisonic microphones, which capture sound in full 360-degree spatial audio, are also popular for surround recording applications.
In post-production, surround recordings are typically mixed and processed using specialized software and hardware to create a cohesive and immersive audio mix. By manipulating the levels, panning, and processing of individual microphone channels, audio engineers can recreate the spatial characteristics of the original recording environment and tailor the listening experience to different playback systems, such as stereo, 5.1 surround, or immersive audio formats like Dolby Atmos and DTS:X. Surround microphonation finds applications in various fields, including music production, film and television sound, live concert recording, virtual reality, gaming, and immersive audio installations. As technology continues to evolve, surround recording techniques are becoming increasingly sophisticated, enabling even greater levels of realism and immersion in audio production.