# Speech Scrambler Based on Discrete Cosine Transform and Novel Seven-Dimension Hyper Chaotic System

> Research article (Journal of Physics Conference Series, 2021) · cited 16× · AI/ML

**Wikidata**: [openalex:W3133595464](https://www.wikidata.org/wiki/openalex:W3133595464)  
**Source**: https://4ort.xyz/entity/speech-scrambler-based-on-discrete-cosine-transform-and-novel-seven-dimension-hyper-chaotic-system