We are working on microphone array processing and distant speech recognition, aiming to create hands-free, voice-enabled interfaces for home automation control. The user will be able to control appliances and perform actions without having to move from his/her place, by using their voice. For this purpose, microphone array processing is employed, with microphones placed on walls and ceiling. Our research is focused on acoustic speaker localization, voice activity detection, acoustic event detection, speech enhancement/beamforming, activation keyword spotting and distant speech recognition. We have also collected a distant speech database in Greek that is publicly available: ATHENA database

• Isidoros Rodomagoulakis
• Panagiotis Giannoulis
• Antigoni Tsiami
• Nassos Katsamanis
• Petros Maragos
• Gerasimos Potamianos

• Panagiotis Giannoulis, Alessio Brutti, Marco Matassoni, Alberto Abad, Athanasios Katsamanis, Miguel Matos, Gerasimos Potamianos and Petros Maragos
  Multi-room speech activity detection using a distributed microphone network in domestic environments,
  Proc. European Signal Processing Conf. (EUSIPCO-2015), Nice, France, Sep. 2015.
  

• Z. I. Skordilis, A Tsiami, P. Maragos, G. Potamianos, L. Spelgatti and R. Sannino,
  Multichannel Speech Enhancement Using MEMS Microphones ,
  Proc. IEEE Int'l Conf. on Acoustics, Speech, and Signal Processing (ICASSP-2015), Brisbane, Australia, Apr. 2015.
  

• A. Tsiami, I. Rodomagoulakis, P. Giannoulis, A. Katsamanis, G. Potamianos and P. Maragos,
  ATHENA: A Greek Multi-Sensory Database for Home Automation Control ,
  Proc. 15th Annual Conf. of International Speech Communication Association (INTERSPEECH-2014), Singapore, Sep. 2014.
  

• P. Giannoulis, G. Potamianos, A. Katsamanis and Petros Maragos,
  Multi-Microphone Fusion for Detection of Speech and Acoustic Events in Smart Spaces,
  Proc. 22th European Signal Processing Conference (EUSIPCO-2014), Lisbon, Portugal, Sep. 2014.
  

• A. Tsiami, A. Katsamanis, P. Maragos and G. Potamianos
  Experiments In Acoustic Source Localization Using Sparse Arrays In Adverse Indoors Environments ,
  Proc. 22th European Signal Processing Conference (EUSIPCO-2014), Lisbon, Portugal, Sep. 2014.
  

• P. Giannoulis, A. Tsiami, I. Rodomagoulakis, A. Katsamanis, G. Potamianos, P. Maragos, The ATHENA-RC system for speech activity detection and speaker localization in the DIRHA smart home, Proc. 4th Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA-2014).
  

• A. Katsamanis, I. Rodomagoulakis, G. Potamianos, P. Maragos and A. Tsiami,
  Robust Far-Field Spoken Command Recognition for Home Automation Combining Adaptation and Multichannel Processing ,
  Proc. Int'l. Conf. on Acoustics, Speech and Signal Processing (ICASSP-2014), Florence, Italy, May 2014.
  

• I. Rodomagoulakis, G. Potamianos and P. Maragos,
  Advances In Large Vocabulary Continuous Speech Recognition In Greek: Modeling And Nonlinear Features,
  Proc. 21st European Signal Processing Conference (EUSIPCO-2013), Marrakech, Morocco, Sep. 2013.
  

• I. Rodomagoulakis, P. Giannoulis, Z.-I. Skordilis, P. Maragos and G. Potamianos,
  Experiments on Far-field Multichannel Speech Processing in Smart Homes,
  Proc. 18th Int’l Conf. Digital Signal Processing (DSP-2013), Santorini, Greece, July 2013.
  

Some of our tools are publicly available via GitHub:

We have collected a real distant speech corpus in Greek that is publicly available.
The description and reference for the database is: