| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for collecting sound in a position optimized for a kind of the sound of a sound collection object.SOLUTION: A drum includes: a cylindrical shell 10; a drum head 20a installed in one open end of the shell 10; and a first drum sound sensor 30a which is installed inside the drum head 20a and the shell 10, close to a medial axis of the shell 10, and detects attack sound generated immediately after hitting the drum head 20a. An amplifier 40 reproduces performance sound output extracted with wiring 32b. |
