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add voice recorder gui app tutorial
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‎README.md

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@@ -219,6 +219,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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- [How to Record a Specific Window in Python](https://www.thepythoncode.com/article/record-a-specific-window-in-python). ([code](python-for-multimedia/record-specific-window))
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- [How to Add Audio to Video in Python](https://www.thepythoncode.com/article/add-audio-to-video-in-python). ([code](python-for-multimedia/add-audio-to-video))
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- [How to Compress Images in Python](https://www.thepythoncode.com/article/compress-images-in-python). ([code](python-for-multimedia/compress-image))
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- [How to Build a GUI Voice Recorder App in Python](https://www.thepythoncode.com/article/make-a-gui-voice-recorder-python). ([code](python-for-multimedia/voice-recorder-app))
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- ### [Web Programming](https://www.thepythoncode.com/topic/web-programming)
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- [Detecting Fraudulent Transactions in a Streaming Application using Kafka in Python](https://www.thepythoncode.com/article/detect-fraudulent-transactions-with-apache-kafka-in-python). ([code](general/detect-fraudulent-transactions))

‎gui-programming/voice-recorder-app/README.md

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# [How to Build a GUI Voice Recorder App in Python](https://www.thepythoncode.com/article/make-a-gui-voice-recorder-python)

‎gui-programming/voice-recorder-app/recorder.png

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‎gui-programming/voice-recorder-app/requirements.txt

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scipy
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sounddevice

‎gui-programming/voice-recorder-app/voice_recorder.py

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# importing everything from tkinter
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from tkinter import *
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# importing the styling module ttk from tkinter
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from tkinter import ttk
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# importing the message boxes from tkinter
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from tkinter.messagebox import showinfo, showerror, askokcancel
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# this is for recording the actual voice
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import sounddevice
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# this is for saving the recorded file to wav file format
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from scipy.io.wavfile import write
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# threading will help the app's tasks run concurrently
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import threading
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# importing datetime from datetime to handle dates
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from datetime import datetime
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# this will handle time
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import time
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# os module will be used for renaming files
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import os
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# the function for closing the main window
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def close_window():
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# here we are checking if the value of askokcancel is True
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if askokcancel(title='Close Voice Recorder', message='Are you sure you want to close the Voice Recorder?'):
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# this kills the window
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window.destroy()
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# function for recording sound
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def record_voice():
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# the try statement is for
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try:
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# this is the frequence at which the record will happen
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freq = 44100
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# getting the recording duration from the entry
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duration = int(duration_entry.get())
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# calling the recorder via the rec() function
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recording = sounddevice.rec(duration*freq, samplerate=freq, channels=2)
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# declaring the counter
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counter = 0
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# the loop is for displaying the recording progress
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while counter < duration:
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# updating the window
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window.update()
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# this will help update the window after every 1 second
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time.sleep(1)
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# incrementing the counter by 1
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counter += 1
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# displaying the recording duration
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progress_label.config(text=str(counter))
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# this records audio for the specified duration
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sounddevice.wait()
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# writing the audio data to recording.wav
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write('recording.wav', freq, recording)
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# looping through all the files in the current folder
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for file in os.listdir():
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# checking if the file name is recording.wav
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if file == 'recording.wav':
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# spliting the base and the extension
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base, ext = os.path.splitext(file)
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# getting current time
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current_time = datetime.now()
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# creating a new name for the recorded file
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new_name = 'recording-' + str(current_time.hour) + '.' + str(current_time.minute) + '.' + str(current_time.second) + ext
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# renaming the file
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os.rename(file, new_name)
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# display a message when recording is done
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showinfo('Recording complete', 'Your recording is complete')
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# function for catching all errors
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except:
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# display a message when an error is caught
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showerror(title='Error', message='An error occurred' \
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'\nThe following could ' \
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'be the causes:\n->Bad duration value\n->An empty entry field\n' \
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'Do not leave the entry empty and make sure to enter a valid duration value')
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# the function to run record_voice as a thread
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def recording_thread():
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# creating the thread whose target is record_voice()
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t1 = threading.Thread(target=record_voice)
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# starting the thread
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t1.start()
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# creates the window using Tk() fucntion
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window = Tk()
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# this will listen to the close window event
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window.protocol('WM_DELETE_WINDOW', close_window)
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# creates title for the window
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window.title('Voice Recorder')
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# the icon for the application, this replaces the default icon
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window.iconbitmap(window, 'voice_recorder_icon.ico')
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# dimensions and position of the window
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window.geometry('500x450+440+180')
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# makes the window non-resizable
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window.resizable(height=FALSE, width=FALSE)
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"""Styles for the widgets"""
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# style for the label
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label_style = ttk.Style()
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label_style.configure('TLabel', foreground='#000000', font=('OCR A Extended', 15))
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# style for the entry
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entry_style = ttk.Style()
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entry_style.configure('TEntry', font=('Dotum', 15))
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# style for the button
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button_style = ttk.Style()
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button_style.configure('TButton', foreground='#000000', font='DotumChe')
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# creates the canvas for containing all the widgets
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canvas = Canvas(window, width=500, height=400)
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canvas.pack()
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# loading the logo
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logo = PhotoImage(file='recorder.png')
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# creates dimensions of the logo
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logo = logo.subsample(2, 2)
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# adding the logo to the canvas
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canvas.create_image(240, 135, image=logo)
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# creating a ttk label
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duration_label = ttk.Label(window, text='Enter Recording Duration in Seconds:', style='TLabel')
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# creating a ttk entry
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duration_entry = ttk.Entry(window, width=76, style='TEntry')
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# adding the label to the canvas
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canvas.create_window(235, 290, window=duration_label)
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# adding the entry to the canvas
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canvas.create_window(250, 315, window=duration_entry)
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# creating the empty label for displaying download progress
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progress_label = ttk.Label(window, text='')
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# creating the button
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record_button = ttk.Button(window, text='Record', style='TButton', command=recording_thread)
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# adding the label to the canvas
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canvas.create_window(240, 365, window=progress_label)
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# adding the button to the canvas
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canvas.create_window(240, 410, window=record_button)
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# this will run the main window infinetly
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window.mainloop()

‎gui-programming/voice-recorder-app/voice_recorder_icon.ico

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