Open Access

ARTICLE

An Efficient Encrypted Speech Retrieval Based on Unsupervised Hashing and B+ Tree Dynamic Index

Qiu-yu Zhang^*, Yu-gui Jia, Fang-Peng Li, Le-Tian Fan

School of Computer and Communication, Lanzhou University of Technology, Lanzhou, 730050, China

* Corresponding Author: Qiu-yu Zhang. Email: