| Detection of voice activity in an audio signal R Niemisto US Patent App. 11/214,454, 2006 | 139 | 2006 |
| Method and an apparatus for processing an audio signal using noise suppression or echo suppression RE Niemisto, R Bregovic, B Dumitrescu, VM Myllyla US Patent 9,640,187, 2017 | 80 | 2017 |
| Multistage IIR filter design using convex stability domains defined by positive realness B Dumitrescu, R Niemisto IEEE Transactions on Signal Processing 52 (4), 962-974, 2004 | 79 | 2004 |
| Method and apparatus for voice activity determination RE Niemistö, PM Valve US Patent 8,682,662, 2014 | 47 | 2014 |
| Method and apparatus for voice activity determination RE Niemistö, PM Valve US Patent 8,244,528, 2012 | 34 | 2012 |
| Filterbank-based processing of speech signals R Niemisto, J Vartiainen US Patent App. 11/241,885, 2007 | 26 | 2007 |
| Simplified procedures for quasi-equiripple IIR filter design R Niemisto, B Dumitrescu IEEE Signal Processing Letters 11 (3), 308-311, 2004 | 22 | 2004 |
| Electronic device speech enhancement RE Niemisto, JP Vartiainen US Patent 8,275,136, 2012 | 21 | 2012 |
| Apparatus for audio signal processing EJ Paajanen, RE Niemistö US Patent App. 14/004,549, 2014 | 14 | 2014 |
| Audio capture with multiple microphones AHT Sassi, JP Sjoberg, AJ Koski, A Huttunen, M Partio, R Niemisto, ... US Patent 9,888,317, 2018 | 12 | 2018 |
| On performance of linear adaptive filtering algorithms in acoustic echo control in presence of distorting loudspeakers R Niemistö, T Mäkelä Proceedings of the Eight International Workshop on Acoustic Echo and Noise …, 2003 | 12 | 2003 |
| Noise reduction in multi-microphone systems R Niemisto, V Myllyla US Patent 10,469,944, 2019 | 11 | 2019 |
| Robust fast affine projection algorithm for nonlinear acoustic echo cancellation R Niemistö, T Mäkelä, V Myllylä 2002 11th European Signal Processing Conference, 1-4, 2002 | 9 | 2002 |
| Audio signal processing apparatus RE Niemisto, JP Vartiainen, B Dumitrescu, R Bregovic US Patent 9,076,437, 2015 | 7 | 2015 |
| Effects of harmonic components generated by polynomial preprocessor in acoustic echo control T Mäkelä, R Niemistö Power 100, 50, 2003 | 7 | 2003 |
| ICA for acoustic echo control M Magadán, R Niemistö, U Ruotsalainen, J Möttönen 2002 11th European Signal Processing Conference, 1-4, 2002 | 7 | 2002 |
| Method and apparatus for filtering an audio signal RE Niemistö, J Mäkinen US Patent App. 14/386,000, 2015 | 6 | 2015 |
| Evaluating Artificial Bandwidth Extension by Conversational Tests in Car Using Mobile Devices with Integrated Hands-Free Functionality. L Laaksonen, V Myllylä, R Niemistö INTERSPEECH, 1177-1180, 2011 | 5 | 2011 |
| Low-delay nonuniform oversampled filterbanks for acoustic echo control B Dumitrescu, R Bregović, T Saramäki, R Niemistö 2006 14th European Signal Processing Conference, 1-4, 2006 | 5 | 2006 |
| A Kaiser window approach for designing nonuniform oversampled M-channel filterbanks R Bregovic, B Dumitrescu, T Saramäki, R Niemistö | 4 | 2006 |
