Speech privacy protection by high-quality, invertible, and extendable speech anonymization and de-anonymization

期間：2021年4月 – 2024年3月
助成種目：日本学術振興会 科学研究費助成事業 若手研究
課題番号：21K17775
URL：https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-21K17775/

Human speech contains not only verbal contents but also private information about the speaker such as the speaker identity. This proposal is on protecting the speaker’s privacy in speech data for two scenarios: 1) Speech anonymization: when the speaker shares the speech data in untrusted cyberspace, this speech data should be protected so that the audience can understand the speech but cannot infer who the speaker is; 2) Speech de-anonymization: when the speaker further shares the speech data to trusted audience, the original natural speech can be reconstructed from protected version.