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Speech Emotion Recognition System based on Auto Encoder

2024· article· en· W4404239327 on OpenAlexaboutno aff
Rohit Katyal, Neeshu Sharma

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicWireless Sensor Networks and IoT
Canadian institutionsnot available
Fundersnot available
KeywordsSpeech recognitionComputer scienceEmotion recognitionEncoderSpeaker recognitionAutoencoderArtificial intelligenceArtificial neural network

Abstract

fetched live from OpenAlex

The most recent field of study to develop computer interface systems is emotion recognition through speech. In the proposed work two phases are designed, first phase is based upon feature extraction and second phase is based upon classification approach for a voice-signalled emotion recognition system. Initially, Mel-frequency cepstrum coefficients features of speech signals, pitch, zero crossing rate, amplitude and phase of a signal are extracted and introduced to auto encoder for feature selection. In the second, we suggest selecting relevant parameters from the previously retrieved parameters by using the Auto-Encoder approach. Then as a classifier technique, we employ Support Vector Machines (SVM). The Ryerson Multimedia Laboratory is used for experiments (RML) and tests the system using several categories, such as angry, disgust, fear, happy and surprise. The choice of characteristics that are extracted and the kind of classifier that is employed determine how accurate this system is.

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)0.000
metaresearch head score (Gemma)0.000
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 score0.005
Threshold uncertainty score0.016

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0050.002

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 head0.012
GPT teacher head0.195
Teacher spread0.183 · 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
Published2024
Admission routes1
Has abstractyes

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