SOUND COLLECTION SYSTEM AND SOUND COLLECTION METHOD

PROBLEM TO BE SOLVED: To provide a sound collection system that is enhanced in convenience when sounds are collected from a desired sound source within a target area.SOLUTION: A sound collection system comprises a camera for picking up pictures of a target space, a microphone array for collecting so...

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Bibliographic Details
Main Authors MATSUMOTO HIROYUKI, WATANABE SHUICHI, TSUJI TOSHITSUGU
Format Patent
LanguageEnglish
Japanese
Published 12.08.2016
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DEAF-AID SETS
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
MEASURING
PHYSICS
PUBLIC ADDRESS SYSTEMS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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Summary:PROBLEM TO BE SOLVED: To provide a sound collection system that is enhanced in convenience when sounds are collected from a desired sound source within a target area.SOLUTION: A sound collection system comprises a camera for picking up pictures of a target space, a microphone array for collecting sounds by using plural microphones, a sound source analyzer 55 for calculating a sound source position based on collected audio data, an image display processor 52 for displaying, on a display 53, image data containing pictures of a pickup target space and a sound source position display representing a sound source position, a user input device for accepting an instruction of a specified place in a target space image displayed on the display 53, a directivity calculator 57 for forming directivity of sound collection in a direction from the microphone array to the specified place on the basis of the collected sound data, and generating audio data which are emphasized in sounds in a direction having directivity, and a sound output unit 58 for outputting the audio data after the directivity processing to a speaker and reproducing the audio data.SELECTED DRAWING: Figure 1 【課題】収音システムにおいて、対象領域内の所望の音源からの音を収音する際の利便性を向上させる。【解決手段】対象空間の映像を撮像するカメラと、複数のマイクロホンを用いて音声を収音するマイクアレイと、収音された音声データに基づき音源位置を算出する音源解析部５５と、撮像された対象空間の映像と音源位置を示す音源位置表示とを含む画像データをディスプレイ５３に表示させる画像表示処理部５２と、ディスプレイ５３に表示された対象空間画像における指定箇所の指示を受け付けるユーザ入力装置と、収音された音声データを基に、マイクアレイから指定箇所に向かう方向に収音の指向性を形成し、指向性を有する方向の音声を強調した音声データを生成する指向性演算部５７と、指向性処理後の音声データをスピーカに出力して再生させる音声出力部５８と、を備える。【選択図】図１
Bibliography:Application Number: JP20150022423