| 摘要 |
PURPOSE: To provide a sound field signal reproducing device taking the directivity of an imaginary sound source into account. CONSTITUTION: The device is provided with a signal input means 1 inputting an audio signal, a signal division means 14 dividing the received audio signal into at least two signals, an A/D converter 2, a signal processing means 3 consisting of a tap coefficient storage means, a tap coefficient setting means and a convolution arithmetic means applying convolution processing to the received audio signal, a frequency characteristic storage means, a frequency characteristic setting means, an equalizer to change the frequency characteristic of the received audio signal, and an output level adjustment means adjusting the output level of the received audio signal, a D/A converter 4, an amplifier 5, and a speaker 6 and also a presence information input means 15 receiving presence information of an imaginary sound source reproduced by the speaker 6 and a directivity characteristic selection means 16 selecting the directivity of the imaginary sound source. |
