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Among a number of things, the pandemic has accelerated product development timelines for remote production and the migration to virtualized IP infrastructures, supporting the ability to produce content remotely and stay socially distanced. Many of these new tools were already in place but were often still in early stages, and some were cobbled together nearly on the fly as broadcasters coped with the careful return of live sports.
Will alternative immersive channels create an imperative for broadcasters? Veronique Larcher, Director of AMBEO Immersive Audio, Sennheiser, explores immersive content outside of the commercial broadcast space, including virtual, augmented, and mixed realities.
Digital audio relies completely on sampling and no treatment of the subject can be complete without looking at how it works.
HRTF stands for Head Related Transfer Function and, simply put, is a catch-all term for the characteristics a human head imparts on sound before it enters the ear canal. Everything from level tonal changes caused by our head, shoulders, and pinna (external ear parts), to arrival-time differences (Interaural Time Difference, or ITD) between the two ears have an effect on our perception of the direction and distance of sources.
The familiar “Faster, Higher, Stronger” motto is not just for Olympic athletes but also applies to the common man (and woman): The first black-and-white television sets were considered a sensation until color TV came along, opening a whole new dimension to the viewing audience. In parallel, cinema screens grew ever taller and wider. This went hand in hand with the switch from mono to stereo and a stunning series of dramatic boosts regarding picture quality. While 4K is still in the process of being implemented, more daring early adopters are already grooming their 8K offering.
As IP, COTs and IT systems advance through broadcast infrastructures, monitoring continues to play a critical role in the efficient and reliable running of a facility. Combining traditional video and audio monitoring with network and system analysis soon increases in complexity, so what do we need to do to optimize monitoring and provide the most reliable system possible?
Without doubt, virtualization is a key technological evolution focus and it will empower many broadcast and media organizations to work differently, more efficiently and more profitably.
Sennheiser examines the theory, implementation, and uses of the Ambisonic soundfield, and its important role in the immersive audio world.