The Post-Stroke Speech Transcription (PSST) Challenge
Robert C. Gale, Mikala Fleegle, Gerasimos Fergadiotis, Steven Bedrick
Abstract
We present the outcome of the Post-Stroke Speech Transcription (PSST) challenge. For the challenge, we prepared a new data resource of responses to two confrontation naming tests found in AphasiaBank, extracting audio and adding new phonemic transcripts for each response. The challenge consisted of two tasks. Task A asked challengers to build an automatic speech recognizer (ASR) for phonemic transcription of the PSST samples, evaluated in terms of phoneme error rate (PER) as well as a finer-grained metric derived from phonological feature theory, feature error rate (FER). The best model had a 9.9% FER / 20.0% PER, improving on our baseline by a relative 18% and 24%, respectively. Task B approximated a downstream assessment task, asking challengers to identify whether each recording contained a correctly pronounced target word. Challengers were unable to improve on the baseline algorithm; however, using this algorithm with the improved transcripts from Task A resulted in 92.8% accuracy / 0.921 F1, a relative improvement of 2.8% and 3.3%, respectively.- Anthology ID:
- 2022.rapid-1.6
- Volume:
- Proceedings of the RaPID Workshop - Resources and ProcessIng of linguistic, para-linguistic and extra-linguistic Data from people with various forms of cognitive/psychiatric/developmental impairments - within the 13th Language Resources and Evaluation Conference
- Month:
- June
- Year:
- 2022
- Address:
- Marseille, France
- Editors:
- Dimitrios Kokkinakis, Charalambos K. Themistocleous, Kristina Lundholm Fors, Athanasios Tsanas, Kathleen C. Fraser
- Venue:
- RaPID
- SIG:
- Publisher:
- European Language Resources Association
- Note:
- Pages:
- 41–55
- Language:
- URL:
- https://aclanthology.org/2022.rapid-1.6
- DOI:
- Cite (ACL):
- Robert C. Gale, Mikala Fleegle, Gerasimos Fergadiotis, and Steven Bedrick. 2022. The Post-Stroke Speech Transcription (PSST) Challenge. In Proceedings of the RaPID Workshop - Resources and ProcessIng of linguistic, para-linguistic and extra-linguistic Data from people with various forms of cognitive/psychiatric/developmental impairments - within the 13th Language Resources and Evaluation Conference, pages 41–55, Marseille, France. European Language Resources Association.
- Cite (Informal):
- The Post-Stroke Speech Transcription (PSST) Challenge (Gale et al., RaPID 2022)
- PDF:
- https://preview.aclanthology.org/ingest-acl-2023-videos/2022.rapid-1.6.pdf
- Code
- psst-challenge/psstbaseline
- Data
- LibriSpeech