| 摘要 |
PURPOSE:To prevent howling in a KARAOKE musical performance by a howling preventive filter by measuring a test signal and the howling frequency at a microphone position. CONSTITUTION:This KARAOKE device is provided with a music reproducing device 1, a test signal generation part 10 which supplies the speech signal of a microphone 3 to a KARAOKE part 2 through the howling preventive filter 5 and outputs KARAOKE signals from plural speakers 15, a howling frequency measurement part which measures the howling frequency with the test signal of the test signal generation part, a microphone position specification part 7 which indicates the microphone position, and a storage part 12 for measured howling frequency data and microphone position data; and the howling preventive filter prevents the howling in the KARAOKE musical performance. |
