| 摘要 |
An apparatus and a method for outputting an audio signal without a space sense are provided to store and output an audio signal close to an original sound. A test audio signal previously stored in a device for recording an audio signal is outputted to a speaker and recorded again through a microphone(S21). De-convolution calculation is performed on the test audio signal and the audio signal obtained by outputting and recording the test audio signal(S22). A room transfer function is obtained through the de-convolution calculation, converted into an inverse function, and then stored(S23). An audio signal reproduced in a room is recorded and stored(S24). Convolution calculation is performed on the inverse function of the room transfer function and the audio signal recorded in the room to remove a space sense, and the space sense-removed audio signal is outputted(S25).
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