Title:
インパルス応答を決定する装置及び方法ならびに音声を提供する装置及び方法
Document Type and Number:
Japanese Patent JP2006506671
Kind Code:
A
Abstract:
The invention relates to a device, which is provided for determining a pulse response in an environment, inside of which a loudspeaker (10) and a microphone (12) are placed, and which operates while using an audio signal. A device (20) for effecting the spectral coloring of a test signal, which is preferably a pseudo noise signal, operates while using a psychoacoustic masking threshold of the audio signal in order to obtain a colored test signal that is embedded in the audio signal in order to obtain a measurement signal that can be fed to the loudspeaker (10). A device (30, 32) for determining the pulse response preferably carries out a cross-correlation of a reaction signal, which is received from the environment via the microphone, and of the test signal or of the colored test signal. This enables a pulse response of an environment to be determined even while playing an audio piece in order to provide an optimal description of the environment for a wavefield synthesis.
Inventors:
Polar Thomas
Neubauer Christian
Neubauer Christian
Application Number:
JP2004552538A
Publication Date:
February 23, 2006
Filing Date:
November 06, 2003
Export Citation:
Assignee:
Fraunhofer-Gesellschaftsza Felderung der Angewanten Vorschung A. Fao
International Classes:
G10K15/00; H04S7/00; H04R29/00
Attorney, Agent or Firm:
Masahiro Okada
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