| 2008 | Interspeech | Evaluation of voice activity and voicing detection. | Bojan Kotnik, Pierre Sendorek, Sergey Astrov, Turgay Ko, Tolga iloglu, Laura Doco Fernndez, Eduardo Rodrguez Banga, Harald Hge, Zdravko Kacic |
| 2008 | LREC | Evaluation of Modules and Tools for Speech Synthesis: the ECESS Framework. | Harald Hge, Zdravko Kacic, Bojan Kotnik, Matej Rojc, Nicolas Moreau, Horst-Udo Hain |
| 2004 | LREC | The Development and Integration of the LDA-Toolkit Into COST249 SpeechDat(II) SIG Reference Recognizer. | Bojan Kotnik, Zdravko Kacic, Bogomir Horvat |
| 2003 | Interspeech | Noise robust speech parameterization based on joint wavelet packet decomposition and autoregressive modeling. | Bojan Kotnik, Zdravko Kacic, Bogomir Horvat |
| 2002 | Interspeech | Efficient additive and convolutional noise reduction procedures. | Bojan Kotnik, Damjan Vlaj, Zdravko Kacic, Bogomir Horvat |
| 2001 | Interspeech | A multiconditional robust front-end feature extraction with a noise reduction procedure based on improved spectral subtraction algorithm. | Bojan Kotnik, Zdravko Kacic, Bogomir Horvat |
| 2001 | Interspeech | A computational efficient real time noise robust speech recognition based on improved spectral subtraction method. | Bojan Kotnik, Zdravko Kacic, Bogomir Horvat |