The SPLab research group, as part of the Brno University of Technology (BUT), is involved in fundamental and applied research in the fields of voice, image, video and text processing. The members have long-term experience in cooperation with many small, medium, and supranational companies and can offer advanced technologies and customized solutions in a variety of industry fields. Within the framework of the 2017 40th International Conference on Telecommunications and Signal Processing (TSP) held during July 5-7, 2017, Barcelona, Spain, we invite you to the 7th SPLab Workshop organized by Signal Processing Laboratory of the BUT, which aim is: to introduce activities of research teams involved in the signal processing field of science to share knowledge among researchers to discuss possible areas of further cooperation to strengthen links among the research community The workshop is focused on fundamental and applied research mainly in these domains: audio, speech and language processing biomedical signal processing image and video signal processing sparse signal representation and compressed sensing data mining.