In Polish language:

Cyfrowe Przetwarzanie Sygnałów, Oppenchaim, Schafler

Cyfrowe Przetwarzanie Sygnałów, Brodziewicz

Zarys Cyfrowego Przetwarzania Sygnałów, C. Marven, G. Ewers, WKŁ 1999

Digital Signal Processing, Principles, Algorithms, ans Applications, J. Proakis, D. Manolakis, Prentice-Hall, (EMPIK)

Filtry Adaptacyjne i Adaptacyjne Przetwarzanie Sygnałów, L. Rutkowski, WNT

Teoria i Projektowanie Filtrów, G. Tames, S. Mitra, WNT

Przetworniki analogowo-cyfrowe i cyfrowo-analogowe, Z. Kulka, A. Libura, M. Nadachowski, WKŁ

Filtracja OPtymalna, B. Anderson, J. Moore

Podstawy Teorii Sygnałów, J. Szabatin, WKŁ

Analiza Danych, S. Brandt, PWN

In English:

Understanding Digital Signal Processing  -- by Richard G. Lyons

Schaum's Outline of Digital Signal Processing -- by Monson H. Hayes;

Digital Signal Processing Using MATLAB  -- by Vinay K. Ingle, John G. Proakis

Digital Signal Processing Implementation Using the TMS320C6000 DSP Platform (With CD-ROM) -- by Naim Dahnoun

Digital Signal Processing with Field Programmable Gate Arrays (With CD-ROM) -- by Uwe Meyer-Baese

Digital Telephony (Wiley Series in Telecommunications and Signal Processing) -- by John C. Bellamy

DSP Filter Cookbook -- by Jayant Datta

Multirate Systems and Filter Banks (Prentice Hall Signal Processing Series) -- by P. P. Vaidyanathan

Schaum's Outline of Analog and Digital Communication -- by Hwei P. Hsu

Active Noise Control Systems : Algorithms and Dsp Implementations (Wiley Series in Telecommunications and Signal Processing) -- by Sen M. Kuo, Dennis R. Morgan

Detection of Signals in Noise -- by Robert N. McDonough, A. D. Whalen

Oversampling Delta-Sigma Data Converters : Theory, Design, and Simulation -- by James C. Candy, Gabor C. Temes

Advanced Signal Processing Handbook: Theory and Implementation for Radar, Sonar, and Medical Imaging Real Time Systems -- by Stergios Stergiopoulos

Multirate and Wavelet Signal Processing -- by Bruce W. Suter

C++ Algorithms for Digital Signal Processing -- by Paul M. Embree, Damon Danieli

Advances in Network and Acoustic Echo Cancellation (Digital Signal Processing (Springer-Verlag).) -- by Jacob Benesty, et al