Dr.-Ing. Bernd Geiser

Publications from Sep/ 2014 to Mar/ 2010

Geiser, B., Krüger, H., Vary, P. and Wiese, D.: A Differential Microphone Array with Input Level Alignment, Directional Equalization and Fast Notch Adaptation for Handsfree Communication, in ITG-Fachtagung Sprachkommunikation, Sep. 2014

Krüger, H., Geiser, B. and Vary, P.: On Reverse Waterfilling in Closed-Loop LPC with Noise Shaping, in ITG-Fachtagung Sprachkommunikation, Sep. 2014

Krüger, H., Geiser, B. and Vary, P.: On Noise Propagation in Closed-Loop Linear Predictive Coding, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 3718-3722, May. 2014 ©2014 IEEE

Geiser, B. and Vary, P.: Artificial Bandwidth Extension of Wideband Speech by Pitch-Scaling of Higher Frequencies, in Workshop Audiosignal- und Sprachverarbeitung (WASP), pp. 2892-2901, Sep. 2013, ISBN: 978-3-88579-614-5, ISSN: 1617-5468

Gómez, A. M., Pérez-Córdoba, J. L. and Geiser, B.: Backwards-Compatible Error Propagation Recovery for the AMR Codec over Erasure Channels, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May. 2013 ©2013 IEEE

Geiser, B. and Vary, P.: Speech Bandwidth Extension Based on In-Band Transmission of Higher Frequencies, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May. 2013 ©2013 IEEE

López-Oller, D., Gómez, A. M., Pérez-Córdoba, J. L., Geiser, B. and Vary, P.: Steganographic Pulse-Based Recovery for Robust ACELP Transmission over Erasure Channels, in Proceedings of IberSPEECH, pp. 257-266, Nov. 2012, 10.1007/978-3-642-35292-8_27

Geiser, B.: Paths toward HD-Voice Communication, in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Sep. 2012

Geiser, B.: High-Definition Telephony over Heterogeneous Networks, Ph. D. Dissertation IND, RWTH Aachen, Aachener Beiträge zu Digitalen Nachrichtensystemen (ABDN), 33, ISBN: 978-3-86130-339-8, Jun. 2012, ISBN: 978-3-86130-339-8

Heese, F., Geiser, B. and Vary, P.: Intelligibility Assessment of a System for Artifical Bandwidth Extension of Telephone Speech, in Proceedings of German Annual Conference on Acoustics (DAGA), pp. 905-906, Mar. 2012

Geiser, B., Schäfer, M. and Vary, P.: Binaural Wideband Telephony Using Steganography, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV)(Aachen, Germany), pp. 132-137, TuDPress Verlag der Wissenschaften GmbH, Sep. 2011, ISBN: 978-3-94271-037-4, ISSN: 0940-6832

Schäfer, M., Schnelling, C., Geiser, B. and Vary, P.: A Listening Test Environment for Subjective Assessment of Speech and Audio Signal Processing Algorithms, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV)(Aachen, Germany), pp. 237-244, TUDpress Verlag der Wissenschaften GmbH, Sep. 2011, ISBN: 978-3-94271-037-4, ISSN: 0940-6832

Krüger, H., Geiser, B., Vary, P., Li, H. T. and Zhang, D.: A Fast Indexing Method for Shells of the Gosset Lattice, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV), pp. 205-212, TuDPress Verlag der Wissenschaften GmbH, Sep. 2011, ISBN: 978-3-94271-037-4, ISSN: 0940-6832

Krüger, H., Geiser, B., Vary, P., Li, H. T. and Zhang, D.: Gosset Lattice Spherical Vector Quantization with Low Complexity, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)(Prague, Czech Republic), pp. 485-488, May. 2011, ISBN: 978-1-45770-539-7, 10.1109/ICASSP.2011.5946446 ©2011 IEEE

Krüger, H., Geiser, B. and Vary, P.: Gosset Low Complexity Vector Quantization with Application to Audio Coding, in ITG-Fachtagung Sprachkommunikation(Bochum, Germany), VDE Verlag GmbH, Oct. 2010, ISBN: 978-3-80073-300-2

Heese, F., Esch, T., Geiser, B. and Vary, P.: Noise Reduction for Wideband Speech Exploiting Spectral Dependencies Based on Conditional Estimation, in ITG-Fachtagung Sprachkommunikation(Bochum, Germany), VDE Verlag GmbH, Oct. 2010, ISBN: 978-3-80073-300-2

Geiser, B., Roggendorf, M. and Vary, P.: Multi-Band Pre-Echo Control Using a Filterbank Equalizer, in Proceedings of European Signal Processing Conference (EUSIPCO)(Aalborg, Denmark), pp. 244-248, Aug. 2010, ISSN: 2076-1465

Esch, T., Heese, F., Geiser, B. and Vary, P.: Wideband Noise Suppression Supported by Artificial Bandwidth Extension Techniques, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)(Dallas, TX, USA), pp. 4790-4793, Mar. 2010 ©2010 IEEE

Thomas, M. R. P., Geiser, B., Gudnason, J., Naylor, P. A. and Vary, P.: Voice Source Estimation for Artificial Bandwidth Extension of Telephone Speech, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)(Dallas, TX, USA), pp. 4794-4797, Mar. 2010 ©2010 IEEE

Geiser, B., Krüger, H. and Vary, P.: Super-Wideband Bandwidth Extension for Wideband Audio Codecs Using Switched Spectral Replication and Pitch Synthesis, in Proceedings of German Annual Conference on Acoustics (DAGA)(Berlin, Germany), pp. 663-664, Mar. 2010

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