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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Speaker Recognition in Skype Calls
 Kaňok, Tomáš ; Glembek, Ondřej (referee) ; Schwarz, Petr (advisor)
This diploma thesis is concerned with machine identification and verification of speaker, it's theory and applications. It evaluates existing implementation of the subject by the Speech@FIT group. It also considers plugins for the Skype program. Then a functioning plugin is proposed which makes possible identification of the speaker. It is implemented and evaluated here. Towards the end of this thesis suggestions of future development are presented.
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Information Combination Analysis in Multi-Channel Speaker Verification
 Procházka, Jan ; Plchot, Oldřich (referee) ; Mošner, Ladislav (advisor)
In this work, we deal with the analysis and comparison of information combinations of multi-channel speech data for a speaker verification task. Three levels/representations were chosen for data fusion: signal-level, embedding-level, and score-level. At the signal level, spatial filters (beamforming) are implemented. Speech recordings serve as input to a neural network (ECAPA-TDNN architecture) that extracts embeddings, vector representations of the speaker. The vectors are further compared by cosine similarity module that results in scores, real numbers. Score-level fusion achieves the best relative improvement against single-channel recordings (up to 70 %). Embedding-level fusion provides the most consistent results for different recording conditions.
Detailed record
Speaker Recognition in Skype Calls
 Kaňok, Tomáš ; Glembek, Ondřej (referee) ; Schwarz, Petr (advisor)
This diploma thesis is concerned with machine identification and verification of speaker, it's theory and applications. It evaluates existing implementation of the subject by the Speech@FIT group. It also considers plugins for the Skype program. Then a functioning plugin is proposed which makes possible identification of the speaker. It is implemented and evaluated here. Towards the end of this thesis suggestions of future development are presented.
Detailed record

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