Create README.md
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README.md
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import gradio as gr
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import wave
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import matplotlib.pyplot as plt
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import numpy as np
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from extract_features import *
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import pickle
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import soundfile
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import librosa
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classifier = pickle.load(open('finalized_rf.sav', 'rb'))
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def emotion_predict(input):
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input_features = extract_feature(input, mfcc=True, chroma=True, mel=True, contrast=True, tonnetz=True)
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rf_prediction = classifier.predict(input_features.reshape(1,-1))
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if rf_prediction == 'happy':
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return 'Happy π'
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elif rf_prediction == 'neutral':
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return 'Neutral π'
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elif rf_prediction == 'sad':
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return 'Sad π’'
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else:
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return 'Angry π€'
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def plot_fig(input):
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wav = wave.open(input, 'r')
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raw = wav.readframes(-1)
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raw = np.frombuffer(raw, "int16")
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sampleRate = wav.getframerate()
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Time = np.linspace(0, len(raw)/sampleRate, num=len(raw))
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fig = plt.figure()
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plt.rcParams["figure.figsize"] = (50,15)
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plt.title("Waveform Of the Audio", fontsize=25)
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plt.xticks(fontsize=15)
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plt.yticks(fontsize=15)
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plt.ylabel("Amplitude", fontsize=25)
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plt.plot(Time, raw, color='red')
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return fig
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with gr.Blocks() as app:
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gr.Markdown(
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"""
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# Speech Emotion Detector π΅π
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This application classifies inputted audio π according to the verbal emotion into four categories:
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1. Happy π
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2. Neutral π
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3. Sad π’
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4. Angry π€
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"""
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)
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with gr.Tab("Record Audio"):
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record_input = gr.Audio(source="microphone", type="filepath")
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with gr.Accordion("Audio Visualization", open=False):
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gr.Markdown(
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"""
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### Visualization will work only after Audio has been submitted
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"""
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)
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plot_record = gr.Button("Display Audio Signal")
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plot_record_c = gr.Plot(label='Waveform Of the Audio')
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record_button = gr.Button("Detect Emotion")
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record_output = gr.Text(label = 'Emotion Detected')
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with gr.Tab("Upload Audio File"):
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gr.Markdown(
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"""
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## Uploaded Audio should be of .wav format
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"""
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)
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upload_input = gr.Audio(type="filepath")
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with gr.Accordion("Audio Visualization", open=False):
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gr.Markdown(
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"""
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### Visualization will work only after Audio has been submitted
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"""
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)
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plot_upload = gr.Button("Display Audio Signal")
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plot_upload_c = gr.Plot(label='Waveform Of the Audio')
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upload_button = gr.Button("Detect Emotion")
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upload_output = gr.Text(label = 'Emotion Detected')
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record_button.click(emotion_predict, inputs=record_input, outputs=record_output)
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upload_button.click(emotion_predict, inputs=upload_input, outputs=upload_output)
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plot_record.click(plot_fig, inputs=record_input, outputs=plot_record_c)
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plot_upload.click(plot_fig, inputs=upload_input, outputs=plot_upload_c)
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app.launch()
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