SOUND COLLECTION AND REPRODUCTION SYSTEM, SOUND COLLECTION AND REPRODUCTION APPARATUS, SOUND COLLECTION AND REPRODUCTION METHOD, SOUND COLLECTION AND REPRODUCTION PROGRAM, SOUND COLLECTION SYSTEM, AND REPRODUCTION SYSTEM

摘要

The sound collection and reproduction system reproduces comprise: a microphone array selection unit which selects a microphone arrays; an area sound collection unit which collects sounds of all areas by using the microphone arrays; an area sound selection unit which selects an area sound of an area corresponding to a specified listening position, and area sounds of surrounding areas of this area corresponding to a listening direction, in accordance with a sound reproduction environment; an area volume adjustment unit which adjusts a volume of each area sound unit in accordance with a distance from the specified listening position; and a stereophonic sound processing unit which performs a stereophonic sound process, for each area sound to which volume adjustment has been performed by the area volume adjustment unit, by using a transfer function corresponding to a sound reproduction environment.

主权项

1. A sound collection and reproduction system which reproduces a stereophonic sound by collecting area sounds of all areas divided within a space by using a plurality of microphone arrays arranged in the space, comprising:
a microphone array selection unit which selects the microphone arrays for sound collection of each area within the space; an area sound collection unit which collects sounds of all areas by using the microphone arrays for each area selected by the microphone array selection unit; an area sound selection unit which selects an area sound of an area corresponding to a specified listening position, and area sounds of surrounding areas of this area corresponding to a listening direction, from among area sounds of all the areas to which sound collection has been performed by the area sound collection unit, in accordance with a sound reproduction environment; an area volume adjustment unit which adjusts a volume of each area sound selected by the area sound selection unit in accordance with a distance from the specified listening position; and a stereophonic sound processing unit which performs a stereophonic sound process, for each area sound to which volume adjustment has been performed by the area volume adjustment unit, by using a transfer function corresponding to a sound reproduction environment.