RECORDING DEVICE FOR VEHICLE, SIGNAL PROCESSING DEVICE, AND SIGNAL RECORDING METHOD

To provide a technique for enabling an unnecessary sound signal to be removed easily and accurately from a signal concerning a sound occurred in or around a vehicle and recorded in a recording medium.SOLUTION: A recording device for a vehicle includes: a sound source signal acquisition unit that acq...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAZAKI HIROTARO, SHIMIZU KAZUYA, TANABE MUTSUO, HAMAYA KIYOSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATING RANDOM NUMBERS LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS REGISTERING OR INDICATING THE WORKING OF MACHINES SOUND-PRODUCING DEVICES SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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Beschreibung
Zusammenfassung:	To provide a technique for enabling an unnecessary sound signal to be removed easily and accurately from a signal concerning a sound occurred in or around a vehicle and recorded in a recording medium.SOLUTION: A recording device for a vehicle includes: a sound source signal acquisition unit that acquires a sound source signal supplied to a speaker mounted on the vehicle; a sound collection signal acquisition unit that acquires a sound collection signal collected by a microphone mounted on the vehicle; and a recording control unit that records the sound source signal and the sound collection signal in the recording medium.SELECTED DRAWING: Figure 1 【課題】車両内部または車両周辺で生じ、記録媒体に記録された音声に係る信号から、不要な音声信号を容易に精度良く除去することを可能とする技術を提供する。【解決手段】車両用記録装置は、前記車両に搭載されたスピーカに供給される音源信号を取得する音源信号取得部と、前記車両に搭載されたマイクで集音された集音信号を取得する集音信号取得部と、前記音源信号及び前記集音信号を前記記録媒体に記録する記録制御部と、を備える。【選択図】図１