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README.md
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---
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license: apache-2.0
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tags:
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- afro-digits-speech
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datasets:
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- crowd-speech-africa
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metrics:
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- accuracy
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model-index:
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- name: afrospeech-wav2vec-run
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results:
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- task:
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name: Audio Classification
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type: audio-classification
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dataset:
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name: Afro Speech
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type: chrisjay/crowd-speech-africa
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args: no
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metrics:
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- name: Validation Accuracy
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type: accuracy
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value: 0.8
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---
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# afrospeech-wav2vec-run
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This model is a fine-tuned version of [facebook/wav2vec2-base](https://huggingface.co/facebook/wav2vec2-base) on the [crowd-speech-africa](https://huggingface.co/datasets/chrisjay/crowd-speech-africa), which was a crowd-sourced dataset collected using the [afro-speech Space](https://huggingface.co/spaces/chrisjay/afro-speech). It achieves the following results on the [validation set](VALID_rundi_run_audio_data.csv):
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- F1: 0.8
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- Accuracy: 0.8
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The confusion matrix below helps to give a better look at the model's performance across the digits. Through it, we can see the precision and recall of the model as well as other important insights.
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![confusion matrix](afrospeech-wav2vec-run_confusion_matrix_VALID.png)
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## Training and evaluation data
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The model was trained on a mixed audio data from Rundi (`run`).
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- Size of training set: 16
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- Size of validation set: 5
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Below is a distribution of the dataset (training and valdation)
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![digits-bar-plot-for-afrospeech](digits-bar-plot-for-afrospeech-wav2vec-run.png)
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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: 64
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- eval_batch_size: 64
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- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
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- num_epochs: 150
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### Training results
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| Training Loss | Epoch | Validation Accuracy |
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|:-------------:|:-----:|:--------:|
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|0.00183 | 1 | 0.6 |
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|0.0003991 | 50 | 0.8 |
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| 0.0002174 | 100 | 0.6 |
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|0.0043911 | 150 | 0.4 |
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### Framework versions
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- Transformers 4.21.3
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- Pytorch 1.12.0
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- Datasets 1.14.0
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- Tokenizers 0.12.1
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VALID_rundi_run_audio_data.csv
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audio_path,transcript,lang,lang_code,gender,age,country,accent
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AUDIO_HOMEPATH/data/p34rQlhMwuOkmqhltKEd8lYW2xYPN3do/audio.wav,4,rundi,run,Male,29.0,France,
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AUDIO_HOMEPATH/data/tkyZJyB9IS2PJ8HNgqOybUSdnrTl48up/audio.wav,5,rundi,run,Male,29.0,France,
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AUDIO_HOMEPATH/data/tF3MBOD3L6tHfmRYoO8u1kdwgUlaMPZr/audio.wav,9,rundi,run,Male,29.0,France,
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AUDIO_HOMEPATH/data/Qlqz7bCCQUJuZYiTDgLxFhElL4AncAH7/audio.wav,7,rundi,run,Male,29.0,France,
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AUDIO_HOMEPATH/data/EsElOIcf8DSiOTn1uoihsYiVKjDWXwKH/audio.wav,8,rundi,run,Male,25.0,France,
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afrospeech-wav2vec-run_METRICS_VALID.json
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{"acc": 0.8, "f1": 0.8}
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afrospeech-wav2vec-run_confusion_matrix_VALID.png
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digits-bar-plot-for-afrospeech-wav2vec-run.png
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