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@@ -3,63 +3,101 @@ library_name: transformers
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  license: bsd-3-clause
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  base_model: Simon-Kotchou/ssast-tiny-patch-audioset-16-16
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  tags:
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- - generated_from_trainer
 
 
 
 
 
 
 
 
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  metrics:
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  - accuracy
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  model-index:
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  - name: YORENG100-SSAST-Emotion-Recognition
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- results: []
 
 
 
 
 
 
 
 
 
 
 
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  ---
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- <!-- This model card has been generated automatically according to the information the Trainer had access to. You
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- should probably proofread and complete it, then remove this comment. -->
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-
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  # YORENG100-SSAST-Emotion-Recognition
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- This model is a fine-tuned version of [Simon-Kotchou/ssast-tiny-patch-audioset-16-16](https://huggingface.co/Simon-Kotchou/ssast-tiny-patch-audioset-16-16) on the None dataset.
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- It achieves the following results on the evaluation set:
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- - Loss: 0.2023
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- - Accuracy: 0.9645
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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- ## Model description
 
 
 
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- More information needed
 
 
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- ## Intended uses & limitations
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- More information needed
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- ## Training and evaluation data
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- More information needed
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- ## Training procedure
 
 
 
 
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- ### Training hyperparameters
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- The following hyperparameters were used during training:
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- - learning_rate: 3e-05
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- - train_batch_size: 32
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- - eval_batch_size: 32
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- - seed: 42
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- - distributed_type: tpu
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- - optimizer: Use OptimizerNames.ADAMW_TORCH with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
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- - lr_scheduler_type: linear
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- - lr_scheduler_warmup_steps: 2500
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- - num_epochs: 3
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- ### Training results
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- | Training Loss | Epoch | Step | Validation Loss | Accuracy |
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- |:-------------:|:-----:|:----:|:---------------:|:--------:|
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- | 0.2156 | 1.0 | 2501 | 0.2080 | 0.9645 |
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- | 0.1943 | 2.0 | 5002 | 0.2044 | 0.9645 |
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- | 0.1842 | 3.0 | 7503 | 0.2023 | 0.9645 |
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- ### Framework versions
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- - Transformers 5.0.0
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- - Pytorch 2.9.0+cpu
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- - Datasets 4.5.0
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- - Tokenizers 0.22.2
 
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  license: bsd-3-clause
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  base_model: Simon-Kotchou/ssast-tiny-patch-audioset-16-16
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  tags:
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+ - audio-classification
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+ - speech-emotion-recognition
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+ - yoruba
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+ - code-switching
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+ - multilingual
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+ - ssast
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+ - nigeria
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+ datasets:
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+ - Professor/YORENG100
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  metrics:
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  - accuracy
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  model-index:
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  - name: YORENG100-SSAST-Emotion-Recognition
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+ results:
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+ - task:
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+ type: audio-classification
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+ name: Speech Emotion Recognition
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+ dataset:
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+ name: YORENG100 (Yoruba-English Code-Switching)
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+ type: custom
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+ metrics:
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+ - type: accuracy
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+ value: 0.9645
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+ name: Test Accuracy
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+ pipeline_tag: audio-classification
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  ---
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  # YORENG100-SSAST-Emotion-Recognition
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+ This model is a specialized Speech Emotion Recognition (SER) system fine-tuned from the **SSAST (Self-Supervised Audio Spectrogram Transformer)**. It is specifically designed to handle the linguistic complexities of **Yoruba-English code-switching**, common in Nigerian urban centers.
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+
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+ ## 🌟 Model Highlights
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+ - **Architecture:** SSAST-Tiny (16x16 Patches)
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+ - **Dataset:** YORENG100 (100 hours of curated Yoruba-English bilingual speech)
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+ - **Top Accuracy:** 96.45% on validation set.
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+ - **Innovation:** Captures emotional prosody across language boundaries where traditional monolingual models often fail.
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+
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+
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+
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+ ## πŸš€ How to Use (Manual Inference)
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+
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+ Since SSAST requires specific tensor dimension handling for its patch-based architecture, we recommend the following manual inference style over the standard `pipeline`.
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+
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+ ```python
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+ import torch
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+ import librosa
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+ from transformers import AutoFeatureExtractor, ASTForAudioClassification
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+
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+ # 1. Load Model & Processor
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+ model_id = "Professor/YORENG100-SSAST-Emotion-Recognition"
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+ device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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+
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+ feature_extractor = AutoFeatureExtractor.from_pretrained(model_id)
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+ model = ASTForAudioClassification.from_pretrained(model_id).to(device)
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+ model.eval()
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+
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+ # 2. Prepare Audio (Resample to 16kHz)
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+ audio_path = "path_to_your_audio.wav"
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+ speech, _ = librosa.load(audio_path, sr=16000)
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+ # 3. Preprocess & Predict
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+ inputs = feature_extractor(speech, sampling_rate=16000, return_tensors="pt")
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+ # SSAST Fix: Ensure [Batch, Time, Freq] shape
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+ input_values = inputs.input_values.squeeze().unsqueeze(0).to(device)
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+ with torch.no_grad():
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+ logits = model(input_values).logits
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+ prediction = torch.argmax(logits, dim=-1).item()
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+ print(f"Predicted Emotion: {model.config.id2label[prediction]}")
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+ ```
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+ ## πŸ“Š Training Results
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+ The model was trained for 3 epochs on a TPU-v3-8. Note the high stability in accuracy even as loss continued to decrease.
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+ | Epoch | Step | Training Loss | Validation Loss | Accuracy |
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+ | --- | --- | --- | --- | --- |
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+ | 1.0 | 2501 | 0.2156 | 0.2080 | 0.9645 |
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+ | 2.0 | 5002 | 0.1943 | 0.2044 | 0.9645 |
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+ | 3.0 | 7503 | 0.1842 | 0.2023 | 0.9645 |
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+ ## 🌍 Background: Yoruba-English Emotion Recognition
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+ Emotion recognition in tonal languages like **Yoruba** is uniquely challenging because pitch (F0) is used to distinguish word meanings (lexical tone) as well as emotional state. When speakers code-switch into English, the "emotional acoustic profile" shifts mid-sentence.
 
 
 
 
 
 
 
 
 
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+ This model uses the patch-based attention mechanism of SSAST to focus on local time-frequency features that are invariant to these language shifts.
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+ ## πŸ›  Limitations
 
 
 
 
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+ * **Background Noise:** Not yet robust to high-noise environments (e.g., market or traffic noise).
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+ * **Sampling Rate:** Only supports 16kHz audio input.
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+ * **Labels:** Performance is optimized for [Angry, Happy, Sad, Neutral, etc.].
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+ ## πŸ“œ Citation
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+ If you use this model or the YORENG100 dataset, please cite us