Tom Bäckström

Professor of Practice

Research outputs

  1. 2019
  2. Published

    Overlap-add Windows with Maximum Energy Concentration for Speech and Audio Processing

    Bäckström, T., 1 May 2019, ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, p. 491-495 5 p. 8683577. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  3. Published

    Can you identify me from a crowd? A modern "Where's Waldo?" problem

    Bäckström, T., Mar 2019

    Research output: Other contributionGeneral public

  4. Published

    Vocoding techniques

    Bäckström, T., Mar 2019, Sage Encyclopedia of human communication sciences and disorders. Damico, J. S. & Ball, M. J. (eds.). Sage, Vol. 4. 1 p.

    Research output: Chapter in Book/Report/Conference proceedingChapterProfessional

  5. Published
  6. Accepted/In press

    Robust and Responsive Acoustic Pairing of Devices Using Decorrelating Time-Frequency Modelling

    Perez Zarazaga, P., Bäckström, T. & Sigg, S., 2019, (Accepted/In press) European Signal Processing Conference. IEEE, (European Signal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  7. Accepted/In press

    Sound Privacy: A Conversational Speech Corpus for Quantifying the Experience of Privacy

    Perez Zarazaga, P., Das, S., Bäckström, T., Raju, V. V. V. & Vuppala, A., 2019, (Accepted/In press) Interspeech: Annual Conference of the International Speech Communication Association. International Speech Communication Association, 5 p. (Interspeech - Annual Conference of the International Speech Communication Association).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  8. 2018
  9. Published

    What machine learning can teach about philosophy of science — and what it can’t

    Bäckström, T., 12 Nov 2018

    Research output: Other contributionGeneral public

  10. Published
  11. Published

    Dithered Quantization for Frequency-Domain Speech and Audio Coding

    Bäckström, T., Fischer, J. & Das, S., Sep 2018, Proceedings of Interspeech. International: International Speech Communication Association, p. 3533-3537 46. (Interspeech).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  12. Published

    Postfiltering Using Log-Magnitude Spectrum for Speech and Audio Coding

    Das, S. & Bäckström, T., Sep 2018, Interspeech: Annual Conference of the International Speech Communication Association. International Speech Communication Association, p. 3543-3547 5 p. 1027. (Interspeech).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  13. Published

    Postfiltering with Complex Spectral Correlations for Speech and Audio Coding

    Das, S. & Bäckström, T., Sep 2018, Interspeech: Annual Conference of the International Speech Communication Association. International Speech Communication Association, p. 3538-3542 5 p. 1026. (Interspeech).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  14. Published

    Fast Randomization for Distributed Low-Bitrate Coding of Speech and Audio

    Backstrom, T. & Fischer, J., Jan 2018, In : IEEE/ACM Transactions on Audio Speech and Language Processing. 26, 1, p. 19-30 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    GMM-Based Iterative Entropy Coding for Spectral Envelopes of Speech and Audio

    Korse, S., Fuchs, G. & Bäckström, T., 2018, Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, p. 5689-5693 8461527. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  16. Published

    Noise reduction for randomized speech and audio coding in WASNs

    Fischer, J. & Bäckström, T., 2018. 5 p.

    Research output: Contribution to conferencePaperScientificpeer-review

  17. Published

    Optimizing MFCC Settings for Low-Complexity VAD Systems - a Case Study

    Craciun, A. & Bäckström, T., 2018, ITG-Fb. 282: Speech Communication. VDE Verlag, p. 281-285

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  18. Published

    Speech Coding, Speech Interfaces and IoT - Opportunities and Challenges

    Bäckström, T., 2018, 2018 52nd Asilomar Conference on Signals, Systems, and Computers. IEEE, p. 1931 - 1935 (Conference Record of the Asilomar Conference on Signals Systems and Computers).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  19. Published

    Whisper your secrets: On the user-centric design of privacy

    Bäckström, T., 2018

    Research output: Other contributionGeneral public

  20. 2017
  21. Published

    Estimation of the Probability Distribution of Spectral Fine Structure in the Speech Source

    Bäckström, T., Aug 2017, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. International Speech Communication Association, Vol. 2017-August. p. 344-348 5 p. (Interspeech: Annual Conference of the International Speech Communication Association).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  22. Published

    Modeling Formant Dynamics in Speech Spectral Envelopes

    Craciun, A., Paulus, J., Sevkin, G. & Bäckström, T., Aug 2017, Proceedings of the European Signal Processing Conference (EUSIPCO). IEEE, p. 1669-1673 5 p. (European Signal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  23. Published

    An Unsupervised Hybrid Approach for Online Detection of Sound Scene Changes in Broadcast Content

    Craciun, A., Sevkin, G. & Bäckström, T., Jun 2017, Proceedings of the AES Conference on Semantic Audio. Dittmar, C., Abeßer, J. & Müller, M. (eds.). Audio Engineering Society, p. 53-60 P1-2

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  24. Published

    Quadratic Programming Approach to Glottal Inverse Filtering by Joint Norm-1 and Norm-2 Optimization

    Airaksinen, M., Bäckström, T. & Alku, P., 1 May 2017, In : IEEE/ACM Transactions on Audio, Speech, and Language Processing. 25, 5, p. 929-939 11 p., 7636994.

    Research output: Contribution to journalArticleScientificpeer-review

  25. Published

    Speech Coding: with Code-Excited Linear Prediction

    Bäckström, T., Apr 2017, 235 p. (Signals and Communication Technology)

    Research output: Book/ReportBookScientificpeer-review

  26. Published

    Time–Frequency Processing: Methods and Tools

    Vilkamo, J. & Bäckström, T., 2017, Parametric Time-Frequency Domain Spatial Audio. Pulkki, V., Delikaris-Manias, S. & Politis, A. (eds.). p. 1-24

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

  27. 2016
  28. Published

    Blind recovery of perceptual models in distributed speech and audio coding

    Bäckström, T., Ghido, F. & Fischer, J., 1 Jan 2016, Proceedings of the Annual Conference of the International Speech Communication Association. Vol. 08-12-September-2016. p. 2483-2487 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  29. Published

    Entropy coding of spectral envelopes for speech and audio coding using distribution quantization

    Korse, S., Jähnel, T. & Bäckström, T., 1 Jan 2016, Proceedings of the Annual Conference of the International Speech Communication Association. International Speech Communication Association, Vol. 08-12-September-2016. p. 2543-2547 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  30. Published

    Joint enhancement and coding of speech by incorporating Wiener filtering in a CELP codec

    Fischer, J. & Bäckström, T., 1 Jan 2016, Proceedings of the Annual Conference of the International Speech Communication Association. International Speech Communication Association, Vol. 08-12-September-2016. p. 1730-1734 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  31. Published
  32. Published

    Automatic glottal inverse filtering with non-negative matrix factorization

    Airaksinen, M., Juvela, L., Bäckström, T. & Alku, P., 2016, Proceedings of the Annual Conference of the International Speech Communication Association: Interspeech'16, San Francisco, USA, Sept. 8-12, 2016. International Speech Communication Association, Vol. 08-12-September-2016. p. 1039-1043 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  33. Published

    Coding of Parametric Models with Randomized Quantization in a Distributed Speech and Audio Codec

    Baeckstroem, T. & Fischer, J., 2016, Speech Communication; 12. ITG Symposium . VDE Verlag, p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  34. Published

    Noise adaptive perceptual weighting in the AMR-WB encoder for increased speech loudness in adverse far-end noise conditions

    Jokinen, E. & Bäckström, T., 2016, Proceedings of the 24th European Signal Processing Conference, EUSIPCO 2016. Institute of Electrical and Electronics Engineers, p. 853-857 5 p. (European Signal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  35. Published

    Spectral Envelope Statistics for Source Modeling in Speech Enhancement

    Das, S., Craciun, A., Jaehnel, T. & Baeckstroem, T., 2016, Speech Communication; 12. ITG Symposium. VDE Verlag, p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  36. Published

    Ultra-low power acoustic front-ends for natural language user interfaces

    Fischer, J., Bhardwaj, K., Breiling, M., Leyh, M. & Bäckström, T., 2016, Proceedings: VDE-Kongress 2016 – Internet der Dinge. VDE Verlag

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  37. 2015
  38. Published

    An evaluation of stereo speech enhancement methods for different audio-visual scenarios

    Craciun, A., Uhle, C. & Backstrom, T., 22 Dec 2015, 2015 23rd European Signal Processing Conference, EUSIPCO 2015. Institute of Electrical and Electronics Engineers, p. 2048-2052 5 p. 7362744

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  39. Published

    Comparison of windowing schemes for speech coding

    Fischer, J. & Backstrom, T., 22 Dec 2015, 2015 23rd European Signal Processing Conference, EUSIPCO 2015. Institute of Electrical and Electronics Engineers, p. 804-808 5 p. 7362494

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  40. Published

    Envelope modeling for speech and audio processing using distribution quantization

    Jahnel, T., Backstrom, T. & Schubert, B., 22 Dec 2015, 2015 23rd European Signal Processing Conference, EUSIPCO 2015. Institute of Electrical and Electronics Engineers, p. 584-588 5 p. 7362450

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  41. Published

    Harmonic model for MDCT based audio coding with LPC envelope

    Moriya, T., Kamamoto, Y., Harada, N., Backstrom, T., Helmrich, C. & Fuchs, G., 22 Dec 2015, 2015 23rd European Signal Processing Conference, EUSIPCO 2015. Institute of Electrical and Electronics Engineers, p. 789-793 5 p. 7362491

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  42. Published

    Decorrelating MVDR filterbanks using the non-uniform discrete fourier transform

    Backstrom, T., 1 Apr 2015, In : IEEE Signal Processing Letters. 22, 4, p. 479-483 5 p., 6926762.

    Research output: Contribution to journalArticleScientificpeer-review

  43. Published

    Arithmetic coding of speech and audio spectra using tcx based on linear predictive spectral envelopes

    Backstrom, T. & Helmrich, C. R., 1 Jan 2015, 2015 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2015 - Proceedings. Institute of Electrical and Electronics Engineers, Vol. 2015-August. p. 5127-5131 5 p. 7178948

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  44. Published

    Finding line spectral frequencies using the fast fourier transform

    Bäckström, T., Pedersen, C. F., Fischer, J. & Pietrzyk, G., 1 Jan 2015, 2015 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2015 - Proceedings. Institute of Electrical and Electronics Engineers, Vol. 2015-August. p. 5122-5126 5 p. 7178947

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  45. Published

    Glottal inverse filtering based on quadratic programming

    Airaksinen, M., Bäckström, T. & Alku, P., 2015, Interspeech’15, Dresden, Germany, Sept. 6-10, 2015. International Speech Communication Association

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  46. Published

    Intelligibility evaluation of speech coding standards in severe background noise and packet loss conditions

    Jokinen, E., Lecomte, J., Schinkel-Bielefeld, N. & Bäckström, T., 2015, IEEE International Conference on Acoustics, Speech and Signal Processing, Brisbane, Australia, April 19-24, 2015. IEEE, p. 5152-5156 (International Conference on Acoustics Speech and Signal Processing ICASSP).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  47. 2014
  48. Published

    Decorrelated innovative Codebooks for ACELP using factorization of autocorrelation matrix

    Bäckström, T. & Helmrich, C. R., 1 Jan 2014, Proceedings of the Annual Conference of the International Speech Communication Association. p. 2794-2798 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  49. Published

    Implementation and evaluation of the Vandermonde transform

    Bäckström, T., Fischer, J. & Boley, D., 1 Jan 2014, 2014 Proceedings of the 22nd European Signal Processing Conference, EUSIPCO 2014. p. 71-75 5 p. 6951993

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  50. Published

    Sparse time-frequency representation of speech by the Vandermonde transform

    Pedersen, C. F. & Bäckström, T., 1 Jan 2014, Proceedings of the Annual Conference of the International Speech Communication Association. International Speech Communication Association, p. 2248-2252 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  51. Published

    Automatic estimation of the lip radiation effect in glottal inverse filtering

    Airaksinen, M., Bäckström, T. & Alku, P., 2014, INTERSPEECH, Singapore, Sept. 14-18, 2014. International Speech Communication Association, p. 398-402 (Interspeech).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  52. 2013
  53. Published

    Vandermonde factorization of toeplitz matrices and applications in filtering and warping

    Backstrom, T., 3 Dec 2013, In : IEEE Transactions on Signal Processing. 61, 24, p. 6257-6263 7 p., 6601660.

    Research output: Contribution to journalArticleScientificpeer-review

  54. Published

    Comparison of windowing in speech and audio coding

    Backstrom, T., 1 Dec 2013, 2013 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2013. 6701853

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  55. Published

    Computationally efficient objective function for algebraic codebook optimization in ACELP

    Bäckström, T., 1 Jan 2013, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH. International Speech Communication Association, p. 3434-3438 5 p. (Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  56. Published

    Optimized Covariance Domain Framework for TimeFrequency Processing of Spatial Audio

    Vilkamo, J., Bäckström, T. & Kuntz, A., 2013, In : Journal of the Audio Engineering Society. 61, 6, p. 403-411

    Research output: Contribution to journalArticleScientificpeer-review

  57. 2012
  58. Published

    Enumerative algebraic coding for ACELP

    Bä Ckström, T., 1 Dec 2012, 13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012. International Speech Communication Association, Vol. 2. p. 930-933 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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