Secure speaker identification in open and closed environments modeled with symmetric comb filters. - Shafik, Amira; Monir, Mohamad; El-Shafai, Walid; Khalaf, Ashraf A. M.; Nassar, M. M.; El-Fishawy, Adel S.; El-Din, M. A. Zein; Dessouky, Moawad I.; El-Rabaie, El-Sayed M.; Abd El-Samie, Fathi E. (Multimedia Tools & Applications, 2025)