Multichannel recording is certainly one of the most important remaining issues concerning today's sound techniques. A good surround recording is extremely difficult to obtain as it must fulfill a number of conditions including envelopment feeling, accurate localisation and a large sweet spot without compromising the timbres. Advanced signal processing allows to obtain directivities designed from panning laws, which have been designed to optimally drive any multichannel layout. This paper presents the underlying concept of High Spatial Resolution, the spatial equivalent for High Fidelity, and points out why this is a key point to achieve high spatial quality. Actual performances of such a High Spatial Resolution 5.0 microphone featuring a small array of 8 omnidirectional capsules are fully simulated and measured.
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