Research output per year
Research output per year
Personal profile
Artistic and research interests
My research is focused on sustainable speech communications technology, where sustainable refers to methods which uses resources efficiently and ecologically and which do not expose the privacy or security of user more than necessary. I am currently chairing and a founding member of the ISCA Special Interest Group "Security and Privacy in Speech Communication". Previously, I have contributed to several international standards such as 3GPP Enhanced Voice Services and MPEG Unified Speech and Audio Coding. My current research topics include speech coding and enhancement, acoustic fingerprinting, distributed source coding, as well as studies in how people experience privacy for the purpose of developing better user-interfaces for voice operated devices.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Doctoral degree, Engineering and Technology, Helsinki University of Technology
Award Date: 29 Mar 2004
Master's degree, Engineering and Technology, Helsinki University of Technology
Award Date: 19 Apr 2001
Keywords
- speech processing
- speech coding
- security and privacy in speech communication
- speech enhancement
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Network
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Introduction to Speech Processing
Bäckström, T., Räsänen, O., Zewoudie, A., Perez Zarazaga, P., Koivusalo, L., Das, S., Gómez Mellado, E., Bouafif, M. & Ramos, D., 12 Jul 2022, 2 ed. Aalto University.Research output: Book/Report › Book › Professional
Open Access -
NSVQ: Noise Substitution in Vector Quantization for Machine Learning
Vali, M. & Bäckström, T., 2022, In: IEEE Access. 10, p. 13598 - 13610 13 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile75 Downloads (Pure) -
Speech Localization at Low Bitrates in Wireless Acoustics Sensor Networks
Bouafif, M., Perez Zarazaga, P., Bäckström, T. & Lachiri, Z., Feb 2022, In: Frontiers in Signal Processing. 2, 14 p., 800003.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile35 Downloads (Pure) -
Voice-quality Features for Replay Attack Detection
Zewoudie, A. & Bäckström, T., 2022, (Accepted/In press) European Signal Processing Conference. IEEE, (European Signal Processing Conference).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open AccessFile23 Downloads (Pure) -
Cancellation of Local Competing Speaker with Near-field Localization for Distributed Ad-Hoc Sensor Network
Perez Zarazaga, P., Bouafif, M., Bäckström, T. & Lachiri, Z., 31 Aug 2021, 22nd Annual Conference of the International Speech Communication Association, INTERSPEECH 2021. International Speech Communication Association, p. 1176-1180 5 p. (Annual Conference of the International Speech Communication Association).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open AccessFile53 Downloads (Pure)
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Designing Inclusive & Trustworthy Digital Public Services for Migrants in Finland
01/10/2022 → 30/09/2025
Project: Academy of Finland: Strategic research funding
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Authentication between speech operated devices using acoustic fingerprints
Bäckström, T. & Zewoudie, A.
01/01/2020 → 31/12/2022
Project: Domestic funds and foundations
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Interdisciplinary research on statistical parametric speech synthesis
Juvela, L., Airaksinen, M., Bäckström, T., Alku, P., Nonavinakere Prabhakera, N., Bollepalli, B. & Murtola, T.
01/01/2018 → 31/12/2019
Project: Academy of Finland: Other research funding
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Interdisciplinary research on statistical parametric speech synthesis
Juvela, L., Airaksinen, M., Bäckström, T., Pohjalainen, J., Kakouros, S., Gowda, D., Jokinen, E., Alku, P., Bollepalli, B., Saeidi, R. & Raitio, T.
01/01/2015 → 31/12/2017
Project: Academy of Finland: Other research funding
Datasets
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Sound Privacy: A Conversational Speech Corpus for Quantifying the Experience of Privacy
Perez Zarazaga, P. (Creator), Das, S. (Creator) & Bäckström, T. (Creator), Aalto University, 2019
Dataset
Activities
- 12 Pre-examination of doctoral thesis or acting as opponent to doctoral students or membership of doctoral thesis committee or board
- 7 Chair or participant of a conference, workshop, panel, session, tutorial or event
- 5 Membership of a scientific or program committee of a conference or seminar
- 5 Invited academic talk
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More
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Privacy-preserving Machine Learning for Speech
Tom Bäckström (Examiner)
23 Feb 2022Activity: Academic assessments › Pre-examination of doctoral thesis or acting as opponent to doctoral students or membership of doctoral thesis committee or board
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Blind Bandwidth Extension of Speech
Tom Bäckström (Examiner)
14 Jul 2022Activity: Academic assessments › Pre-examination of doctoral thesis or acting as opponent to doctoral students or membership of doctoral thesis committee or board
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Privacy in Speech Technology / Survey Talk
Tom Bäckström (Speaker)
23 Sep 2022Activity: Talk or presentation types › Invited academic talk
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Machine learning for cognitive speech coding
Tom Bäckström (Examiner)
13 Jul 2022Activity: Academic assessments › Pre-examination of doctoral thesis or acting as opponent to doctoral students or membership of doctoral thesis committee or board
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Transform-based Coding Methods for Speech and other Audio Signals
Tom Bäckström (Examiner)
27 Apr 2022Activity: Academic assessments › Pre-examination of doctoral thesis or acting as opponent to doctoral students or membership of doctoral thesis committee or board
Press / Media
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Remote academic research: Lessons learned during the pandemic
05/08/2021
1 Media contribution
Press/Media: Social media activity
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Information bottlenecks and dimensionality reduction in deep learning: Notes on speech processing
03/09/2020
1 Media contribution
Press/Media: Social media activity
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Helteellä etätyöläiselläkin on oikeus lisätaukoihin – työnantajan ei kuitenkaan tarvitse toimittaa tuulettimia kotitoimistoille
28/06/2020
1 item of Media coverage
Press/Media: Media appearance
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