BEGIN:VCALENDAR VERSION:2.0 PRODID:-//128.220.36.25//NONSGML kigkonsult.se iCalcreator 2.26.9// CALSCALE:GREGORIAN METHOD:PUBLISH X-FROM-URL:https://www.clsp.jhu.edu X-WR-TIMEZONE:America/New_York BEGIN:VTIMEZONE TZID:America/New_York X-LIC-LOCATION:America/New_York BEGIN:STANDARD DTSTART:20231105T020000 TZOFFSETFROM:-0400 TZOFFSETTO:-0500 RDATE:20241103T020000 TZNAME:EST END:STANDARD BEGIN:DAYLIGHT DTSTART:20240310T020000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 RDATE:20250309T020000 TZNAME:EDT END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT UID:ai1ec-21497@www.clsp.jhu.edu DTSTAMP:20240328T081625Z CATEGORIES;LANGUAGE=en-US:Seminars CONTACT: DESCRIPTION:Abstract\nWhile the “deep learning tsunami” continues to define the state of the art in speech and language processing\, finite-state tra nsducer grammars developed by linguists and engineers are still widely use d in industrial\, highly-multilingual settings\, particularly for symbolic \, “front-end” speech applications. In this talk\, I will first briefly re view the current state of the OpenFst and OpenGrm finite-state transducer libraries. I then review two “late-breaking” algorithms found in these lib raries. The first is a heuristic but highly-effective general-purpose opti mization routine for weighted transducers. The second is an algorithm for computing the single shortest string of non-deterministic weighted accepto rs which lack certain properties required by classic shortest-path algorit hms. I will then illustrate how the OpenGrm tools can be used to induce a finite-state string-to-string transduction model known as a pair n-gram mo del. This model has been applied to grapheme-to-phoneme conversion\, loanw ord detection\, abbreviation expansion\, and back-transliteration\, among other tasks.\nBiography\nKyle Gorman is an assistant professor of linguist ics at the Graduate Center\, City University of New York\, and director of the master’s program in computational linguistics\; he is also a software engineer in the speech and language algorithms group at Google. With Rich ard Sproat\, he is the coauthor of Finite-State Text Processing (Morgan & Claypool\, 2021) and the creator of Pynini\, a finite-state text processin g library for Python. He has also published on statistical methods for com paring computational models\, text normalization\, grapheme-to-phoneme con version\, and morphological analysis\, as well as many topics in linguisti c theory. DTSTART;TZID=America/New_York:20220401T120000 DTEND;TZID=America/New_York:20220401T131500 LOCATION:Ames Hall 234 @ 3400 N. Charles Street\, Baltimore\, MD 21218 SEQUENCE:0 SUMMARY:Kyle Gorman (City University of New York) ” Weighted Finite-State T ransducers: The Later Years” URL:https://www.clsp.jhu.edu/events/kyle-gorman-city-university-of-new-york -weighted-finite-state-transducers-the-later-years/ X-COST-TYPE:free X-ALT-DESC;FMTTYPE=text/html:\\n\\n
\\nAbstr act
\nWhile the “deep learning tsunami” continues to define the state of the art in speech and language processing\, finite-state tra nsducer grammars developed by linguists and engineers are still widely use d in industrial\, highly-multilingual settings\, particularly for symbolic \, “front-end” speech applications. In this talk\, I will first briefly re view the current state of the OpenFst and OpenGrm finite-state transducer libraries. I then review two “late-breaking” algorithms found in these lib raries. The first is a heuristic but highly-effective general-purpose opti mization routine for weighted transducers. The second is an algorithm for computing the single shortest string of non-deterministic weighted accepto rs which lack certain properties required by classic shortest-path algorit hms. I will then illustrate how the OpenGrm tools can be used to induce a finite-state string-to-string transduction model known as a pair n-gram mo del. This model has been applied to grapheme-to-phoneme conversion\, loanw ord detection\, abbreviation expansion\, and back-transliteration\, among other tasks.
\nBiography
\nKyle Gorman is an assistant professor of linguistics at the Graduate Center\, City Universit y of New York\, and director of the master’s program in computational ling uistics\; he is also a software engineer in the speech and language algori thms group at Google. With Richard Sproat\, he is the coauthor of Finit e-State Text Processing (Morgan & Claypool\, 2021) and the creator of Pynini\, a finite-state text processing library for Python. He has also pu blished on statistical methods for comparing computational models\, text n ormalization\, grapheme-to-phoneme conversion\, and morphological analysis \, as well as many topics in linguistic theory.
\n X-TAGS;LANGUAGE=en-US:2022\,Gorman\,March END:VEVENT BEGIN:VEVENT UID:ai1ec-24157@www.clsp.jhu.edu DTSTAMP:20240328T081625Z CATEGORIES;LANGUAGE=en-US:Seminars CONTACT: DESCRIPTION:Abstract\nIn this talk\, I will present a simple extension of i mage-based Masked Autoencoders (MAE) to self-supervised representation lea rning from audio spectrograms. Following the Transformer encoder-decoder d esign in MAE\, our Audio-MAE first encodes audio spectrogram patches with a high masking ratio\, feeding only the non-masked tokens through encoder layers. The decoder then re-orders and decodes the encoded context padded with mask tokens\, in order to reconstruct the input spectrogram. We find it beneficial to incorporate local window attention in the decoder\, as au dio spectrograms are highly correlated in local time and frequency bands. We then fine-tune the encoder with a lower masking ratio on target dataset s. Empirically\, Audio-MAE sets new state-of-the-art performance on six au dio and speech classification tasks\, outperforming other recent models th at use external supervised pre-training.\nBio\nFlorian Metze is a Research Scientist Manager at Meta AI in New York\, supporting a team of researche rs and engineers working on multi-modal (image\, video\, audio\, text) con tent understanding for Meta’s Family of Apps (Instagram\, Threads\, Facebo ok\, WhatsApp). He used to be an Associate Research Professor at Carnegie Mellon University\, in the School of Computer Science’s Language Technolog ies Institute\, where he still is an Adjunct Professor. He is also a co-fo under of Abridge\, a company working on extracting information from doctor patient conversations. His work covers many areas of speech recognition a nd multi-media analysis with a focus on end-to-end deep learning. Currentl y\, he focuses on multi-modal processing of videos\, and using that inform ation to recommend unconnected content. In the past\, he has worked on low resource and multi-lingual speech processing\, speech recognition with ar ticulatory features\, large-scale multi-media retrieval and summarization\ , information extraction from medical interviews\, and recognition of pers onality or similar meta-data from speech.\nFor more information\, please s ee http://www.cs.cmu.edu/directory/fmetze\n DTSTART;TZID=America/New_York:20231110T120000 DTEND;TZID=America/New_York:20231110T131500 LOCATION:Hackerman Hall B17 @ 3400 N. Charles Street\, Baltimore\, MD 21218 SEQUENCE:0 SUMMARY:Florian Metze (CMU) “Masked Autoencoders that Listen” URL:https://www.clsp.jhu.edu/events/florian-metze-cmu/ X-COST-TYPE:free X-ALT-DESC;FMTTYPE=text/html:\\n\\n\\nAbstr act
\nIn this talk\, I will present a simple extension of i mage-based Masked Autoencoders (MAE) to self-supervised representation lea rning from audio spectrograms. Following the Transformer encoder-decoder d esign in MAE\, our Audio-MAE first encodes audio spectrogram patches with a high masking ratio\, feeding only the non-masked tokens through encoder layers. The decoder then re-orders and decodes the encoded context padded with mask tokens\, in order to reconstruct the input spectrogram. We find it beneficial to incorporate local window attention in the decoder\, as au dio spectrograms are highly correlated in local time and frequency bands. We then fine-tune the encoder with a lower masking ratio on target dataset s. Empirically\, Audio-MAE sets new state-of-the-art performance on six au dio and speech classification tasks\, outperforming other recent models th at use external supervised pre-training.
\nBio
\nFlorian Metze is a Research Scientist Manager at Meta AI in New York\ , supporting a team of researchers and engineers working on multi-modal (i mage\, video\, audio\, text) content understanding for Meta’s Family of Ap ps (Instagram\, Threads\, Facebook\, WhatsApp). He used to be an Associate Research Professor at Carnegie Mellon University\, in the School of Compu ter Science’s Language Technologies Institute\, where he still is an Adjun ct Professor. He is also a co-founder of Abridge\, a company working on ex tracting information from doctor patient conversations. His work covers ma ny areas of speech recognition and multi-media analysis with a focus on en d-to-end deep learning. Currently\, he focuses on multi-modal processing o f videos\, and using that information to recommend unconnected content. In the past\, he has worked on low resource and multi-lingual speech process ing\, speech recognition with articulatory features\, large-scale multi-me dia retrieval and summarization\, information extraction from medical inte rviews\, and recognition of personality or similar meta-data from speech.< /p>\n
For more information\, please see http://www.cs.cmu.edu/directory/fmetze
\n\n X-TAGS;LANGUAGE=en-US:2023\,Metze\,November END:VEVENT END:VCALENDAR