To convert MIDI to MP3 in Python, two great ways is using the pydub and fluidsynth libraries: pydub is a high-level audio library that makes it easy to work with audio files. fluidsynth is a software synthesizer for generating audio from MIDI. Here are three easy steps to convert MIDI to MP3 in Python: 🎵 Step 1: Install the pydub and It’s time to do the conversion using the MoviePy library. I will convert it to MP3 format, it is a widespread one. Depending on your use case, feel free to change the format in this line. As an example for speech recognition the wav format works better. Here is the final line of our project: my_clip.audio.write_audiofile(r"my_result.mp3") import numpy as np from scipy.io.wavfile import write rate = 44100 data = np.random.uniform (-1, 1, rate) # 1 second worth of random samples between -1 and 1 scaled = np.int16 (data / np.max (np.abs (data)) * 32767) write ('test.wav', rate, scaled) If you want Python to actually play audio, then this page provides an overview of some of the I'd like to write a simple script to convert a few dozen .wav files I have in a folder to v0 mp3. It doesn't need to be complicated, just enough to do the job and help me learn a little bit of python in the process ;) Perform all your processing while the audio file is in-scope. import speech_recognition as sr r = sr.Recognizer () with sr.AudioFile ("hello_world.wav") as source: audio = r.record (source) try: s = r.recognize_google (audio) print ("Text: "+s) except Exception as e: print ("Exception: "+str (e)) As you've done in the accepted solution above Second issue is that we should also set AudioSegment.converter = ffmpeg_path. You may also try to copy ffmpeg.exe and ffprobe.exe to the same folder as the Python script. You may also try to copy ffmpeg.exe and ffprobe.exe to the same folder as the Python script. I'm trying to record samples from a stream and save the snippets as an .mp3 file. The following code properly reads the stream and saves the data to the file. The file plays in a media player but it has no headers, etc., so when I try and do something else with the .mp3 file (such as converting it to another format using LAME), it fails every time. Converting an .mp3 file to a .wav file As a first step, we convert this .mp3 file to a .wav file, in order to process it, later, with the Python library soundfile . You can use any .mp3 file you wish. I am trying to convert a .mp3 file into a .wav file based on [this website][1]. I have set my working directory to the location that stores both the python script and the .mp3 file, and tried running the code below: {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"convert2wav.py","path":"convert2wav.py","contentType":"file"}],"totalCount":1 f2rg.