In subjective audio assessment, the exponentially decaying sinusoid (-electronic gong-) is one of the most valuable artificial signals. This paper describes the real-time generation of digital electronic gongs that are entirely free of distortion and noise modulation. A linearized fourth-order recursive filter is used. A novel error feedforward technique makes the filter's noise floor perfectly white.
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.