In This Section
Clean Audio for TV broadcast: An Object-Based Approach for Hearing-Impaired Viewers - April 2015
Audibility of a CD-Standard A/DA/A Loop Inserted into High-Resolution Audio Playback - September 2007
Sound Board: Food for Thought, Aesthetics in Orchestra Recording - April 2015
AES Journal Forum
Spectral Impairment of Two-Dimensional Higher Order Ambisonics
When reproducing a two-dimensional higher order Ambisonic soundfield with a uniformly distributed loudspeaker array, there is a tradeoff that depends on the radius of the reproduction area, the order, and the wave number. For classical first-order Ambisonics, perfect reconstruction is possible in a tiny sweet spot, and filtering can be used with a larger number of loudspeakers. However, for a larger sweet spot, higher order Ambisonics must be used and the number of loudspeakers must be matched to the order because filter compensation is not possible. The number of loudspeakers is a tradeoff between spectral impairment at high frequencies and reproduction errors at low frequencies.
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