Automatic language identification ; Automatic speaker adaptation; Automatic voice recognition; Automatische Stimmenerkennung; Automatic speaker recognition ; Speaker diarization ; Textkorpus (phon.) ; Text corpus (phon.) ; Language corpus (phon.) ; Segmentation (computational linguistics) ; Cepstrum; Spectrography ; Pitch (phonem.) ; Stress (phonem.) ; India (English language in) ; Indien (engl. Sprache in) ; English in India ; Dardische Sprachen; Dardic languages; Indo-Arian languages ; Dravidian languages ; Lushéi; Lushai; Biate; Hmar; Hrangkhol; Sakachep