Heiner Löllmann – Publications
Dr.-Ing. Heiner Löllmann
Scientist
- Room:
- 313
- Phone:
- +49 241 80-26954
- Fax:
- +49 241 80-22254
- E-mail:
- loellmann@ind.rwth-aachen.de
- Löllmann, H. W., Dartmann, G., and Vary, P.:Constrained Design of Allpass Transformed DFT Filter-Banks by Quadratic Programming,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Kyoto, Japan, 25.-30.3.2012), Piscataway, NJ, USA, Mar. 2012. - Allpass-Based Analysis-Synthesis Filter-Banks: Design and Application,
Dissertation, no. 30 in Aachener Beiträge zu Digitalen Nachrichtensystemen (ABDN) ed. by Vary, P., Aachen: Verlag Mainz, Nov. 2011, ISBN: 3-861-30308-6. - Löllmann, H. W. and Vary, P.:Estimation of the Frequency Dependent Reverberation Time by Means of Warped Filter-Banks,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Prague, Czech Republic, 22.-27.5.2011), Piscataway, NJ, USA , May 2011, pp. 309–312, ISBN: 978-1-45770-539-7. - Real-Time Dereverberation for Hearing Aids with Binaural Link,
in: IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Prague, Czech Republic, 22.-27.5.2011), May 2011, ISBN: 978-1-45770-539-7.
– Show and Tell Demonstration –. - Blind Dereverberation for Hearing Aids with Binaural Link,
in: ITG-Fachtagung Sprachkommunikation, (Bochum, Germany, 6.-8.10.2010), VDE Verlag GmbH, Oct. 2010, ISBN: 978-3-80073-300-2. - An Improved Algorithm for Blind Reverberation Time Estimation,
in: Proceedings of International Workshop on Acoustic Echo and Noise Control (IWAENC), (Tel Aviv, Israel, 30.8.-2.9.2010), Aug. 2010. - Löllmann, H. W. and Vary, P.:Least-Squares Design of DFT Filter-Banks Based on Allpass Transformation of Higher Order,
in: IEEE Transactions on Signal Processing, vol. 58, no. 4, Apr. 2010, pp. 2393–2398, ISSN: 1053-587x. - Löllmann, H. W. and Vary, P.:Low Delay Noise Reduction and Dereverberation for Hearing Aids,
in: EURASIP Journal on Applied Signal Processing, vol. 2009, no. 1, 2009, pp. 1–9, ISSN: 1110-8657. - IIR QMF-Bank Design for Speech and Audio Subband Coding,
in: Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), (New Paltz, NY, USA), Oct. 2009, pp. 269–272, ISBN: 978-1-42443-679-8. - Löllmann, H. W., Dartmann, G., and Vary, P.:General Least-Squares Design of Allpass Transformed DFT Filter-Banks,
in: Proceedings of European Signal Processing Conference (EUSIPCO), (Glasgow, Scotland), Aug. 2009, pp. 2653–2657.
– Special Session "Digital Filter Banks: Theory, Algorithms and Novel Applications" –. - Candidate Proposal for ITU-T Super-Wideband Speech and Audio Coding,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Taipei, Taiwan), Apr. 2009, pp. 4121–4124, ISBN: 978-1-42442-354-5. - Löllmann, H. W. and Vary, P.:Design of Critically Subsampled DFT Filter-Banks with Allpass Polyphase Filters and Near-Perfect Reconstruction,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Taipei, Taiwan), Apr. 2009, pp. 3185–3188, ISBN: 978-1-42442-354-5. - Löllmann, H. W. and Vary, P.:A Blind Speech Enhancement Algorithm for the Suppression of Late Reverberation and Noise,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Taipei, Taiwan), Apr. 2009, pp. 3989–3992, ISBN: 978-1-42442-354-5. - RTPROC: Rapid Real-Time Prototyping for Audio Signal Processing,
in: IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Taipei, Taiwan), Apr. 2009, ISBN: 978-1-42442-354-5.
– Show and Tell Demonstration –. - Löllmann, H. W. and Vary, P.:Reverberation Time Estimation for Speech Processing Applications,
in: Proceedings of the International Conference on Acoustics, including the 35th German Annual Conference on Acoustics (DAGA), (Rotterdam, The Netherlands, 0.-0.3.2009), Mar. 2009, pp. 1655–1658, ISBN: 978-3-98086-596-8. - Near End Listening Enhancement by Means of Warped Low Delay Filter-Banks,
in: ITG-Fachtagung Sprachkommunikation, (Aachen, Germany, 8.-10.10.2008), Berlin, Germany: VDE Verlag GmbH, Oct. 2008, ISBN: 978-3-80073-120-6. - Löllmann, H. W., Dartmann, G., and Vary, P.:Design of Multiple Order Allpass Transformed DFT Filter-Banks with Aliasing-Free Signal Reconstruction by Linear Programming,
in: ITG-Fachtagung Sprachkommunikation, (Aachen, Germany), VDE Verlag GmbH, Oct. 2008, ISBN: 978-3-80073-120-6. - Löllmann, H. W. and Vary, P.:A Blind Algorithm for Joint Noise Suppression and Dereverberation,
in: ITG-Fachtagung Sprachkommunikation, (Aachen, Germany), VDE Verlag GmbH, Oct. 2008, ISBN: 978-3-80073-120-6. - Löllmann, H. W. and Vary, P.:Estimation of the Reverberation Time in Noisy Environments,
in: Proceedings of International Workshop on Acoustic Echo and Noise Control (IWAENC), (Seattle, Washington, USA), University of Washington, Sept. 2008. - Löllmann, H. W. and Vary, P.:Low Delay Filter-Banks for Speech and Audio Processing,
in: Speech and Audio Processing in Adverse Environments, ed. by Hänsler, E. and Schmidt, G., Berlin: Springer, Aug. 2008, ch. 2, pp. 13–61, ISBN: 978-3-54070-601-4. - Löllmann, H. W. and Vary, P.:Design of IIR QMF Banks with Near-Perfect Reconstruction and Low Complexity,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Las Vegas, NV, USA), Mar. 2008, pp. 3521–3524, ISBN: 978-1-42441-483-3. - Löllmann, H. W., Dartmann, G., and Vary, P.:Least-Squares Design of Subsampled Allpass Transformed DFT Filter-Banks with LTI Property,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Las Vegas, NV, USA), Mar. 2008, pp. 3529–3532, ISBN: 978-1-42441-483-3. - Löllmann, H. W. and Vary, P.:Post-Filter Design for Superdirective Beamformers with Closely Spaced Microphones,
in: Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), (New Paltz, USA), Oct. 2007, pp. 291–294. - Löllmann, H. W. and Vary, P.:Improved Design of Oversampled Allpass Transformed DFT Filter-Banks with Near-Perfect Reconstruction,
in: Proceedings of European Signal Processing Conference (EUSIPCO), (Poznan, Poland), EURASIP, Sept. 2007, pp. 50–54. - Löllmann, H. W. and Vary, P.:Uniform and Warped Low Delay Filter-Banks for Speech Enhancement,
in: Speech Communication, vol. 49, no. 7-8, July 2007, pp. 574–587, ISSN: 0167-6393.
– Special Issue on Speech Enhancement –. - Löllmann, H. W. and Vary, P.:Parametric Phase Equalizers for Warped Filter-Banks,
in: Proceedings of European Signal Processing Conference (EUSIPCO), (Florence, Italy), Sept. 2006. - Löllmann, H. W. and Vary, P.:A Warped Low Delay Filter for Speech Enhancement,
in: Proceedings of International Workshop on Acoustic Echo and Noise Control (IWAENC), (Paris, France), Sept. 2006. - Hands-Free Audio and its Application to Telecommunication Terminals,
in: Proceedings of International AES Conference, "Audio for Mobile and Handheld Devices", (Seoul, Korea, 2.-4.9.2006), New York, NY, Sept. 2006, pp. 1–7, ISBN: 0-937-80358-8. - Löllmann, H. W. and Vary, P.:A Filter Structure for Low Delay Noise Suppression,
in: ITG-Fachtagung Sprachkommunikation, (Kiel, Germany), VDE Verlag, Apr. 2006. - Löllmann, H. W. and Vary, P.:Efficient Non-Uniform Filter-Bank Equalizer,
in: Proceedings of European Signal Processing Conference (EUSIPCO), (Antalya, Turkey), Sept. 2005. - Löllmann, H. W. and Vary, P.:Generalized Filter-Bank Equalizer for Noise Reduction with Reduced Signal Delay,
in: Proceedings of European Conference on Speech Communication and Technology (INTERSPEECH), (Lisbon, Portugal), Sept. 2005. - Löllmann, H. W. and Vary, P.:Low Delay Filter for Adaptive Noise Reduction,
in: Proceedings of International Workshop on Acoustic Echo and Noise Control (IWAENC), (Eindhoven, The Netherlands), Sept. 2005, pp. 205–208. - Robust Direction of Arrival Estimation for Speech Enhancement in Noisy Reverberant Rooms,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Orlando, Florida, USA), May 2002.