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Study for Automatic Speech Recognition for Wav2Vec2.0

2025· article· en· W4410617847 on OpenAlexaff
Xiwei Huang

Bibliographic record

VenueApplied and Computational Engineering · 2025
Typearticle
Languageen
FieldComputer Science
TopicSpeech Recognition and Synthesis
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsSpeech recognitionComputer scienceNatural language processing

Abstract

fetched live from OpenAlex

Automatic Speech Recognition (ASR) is a popular technology that converts speech audio into corresponding text. This application serves critical roles in areas such as virtual assistants, transcription services, accessibility tools, etc. This paper mainly introduces the application of the Wav2Vec2.0 model, which is an advanced self-supervised ASR model. The dataset used in this research is the Mozilla Common Voice dataset, which contains audio data in multiple languages and from people across different ages, genders, and occupations. In addition, the data preprocessing process and the architecture of the model will also be discussed in this research. The implementation demonstrates the strong ability of the Wav2Vec2.0 model in transcribing speech data from the Mozilla Common Voice database, and the experimental results highlight the model's robustness in handling variations in accent, speaking speed, and recording quality, achieving competitive word error rates (WER) across diverse linguistic scenarios. Results also indicate potential improvements in accuracy through more careful and targeted data processing and improving the tokenizer. All these findings underscore the model's future capacity in real-world speech recognition systems, emphasizing its adaptability and efficiency.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.005
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.016
Threshold uncertainty score0.031

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.005
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0010.000
Scholarly communication0.0010.002
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0060.005

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.019
GPT teacher head0.248
Teacher spread0.228 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

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