Reverberation suppression device
AssigneeMitsubishi Electric Corporation
InventorsTakashi Mikami, Atsuyoshi Yano
Life of this patent
Estimating the term…
Abstract
A reverberation suppression device comprises: an echo canceller that removes an echo component included in an input signal; a howling suppressor that detects occurrence of howling based on a frequency characteristic of the input signal from which the echo component has been removed and attenuates a frequency level of a component of the detected howling; and an initial sound suppressor that detects a sound section of the input signal in which the frequency level of the howling component has been attenuated and suppresses a signal value at a sound start portion of the detected sound section.
Claims5
A reverberation suppression device comprising:
- an initial sound suppressor that detects a sound section of an input signal and suppresses a signal value at a sound start portion of the detected sound section.
Dependencies are inferred from the claim text.