In using pyttsx3 to produce mp3 audio files, it seems there's a problem that the mp3 file is not recognizable by pydub. pyttsx3: text to speech package pydub: audio handling package The error message says a lot of "Header missing". The code is below. What went wrong, and how can it be corrected? import pyttsx3 engine = pyttsx3.init("sapi5") engine.setProperty('rate', 130) # number higher the faster voices = engine.getProperty("voices") engine.setProperty("voice", voices[0].id) texts = "a quick sentence into mp3" engine.save_to_file(texts, "C:\\TEM\\temp audio.mp3") engine.runAndWait() # the produced file plays no problem by media player in Windows. # here to read the mp3 audio file produced from pydub import AudioSegment sound1 = AudioSegment.from_file(r"C:\\TEM\\temp audio.mp3", format="mp3") # error pops here Error message is here: Traceback (most recent call last): File "C:\My Documents\script.py", line 17, in <module> sound1 = AudioSegment.from_file(r"C:\\TEM\\temp audio.mp3", format="mp3") File "C:\Python38\lib\site-packages\pydub\audio_segment.py", line 773, in from_file raise CouldntDecodeError( pydub.exceptions.CouldntDecodeError: Decoding failed. ffmpeg returned error code: 1 Output from ffmpeg/avlib: ffmpeg version 2023-04-17-git-65e537b833-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers built with gcc 12.2.0 (Rev10, Built by MSYS2 project) configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libvpl --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint libavutil 58. 6.100 / 58. 6.100 libavcodec 60. 9.100 / 60. 9.100 libavformat 60. 4.101 / 60. 4.101 libavdevice 60. 2.100 / 60. 2.100 libavfilter 9. 5.100 / 9. 5.100 libswscale 7. 2.100 / 7. 2.100 libswresample 4. 11.100 / 4. 11.100 libpostproc 57. 2.100 / 57. 2.100 [mp3float @ 000002788275f6c0] Header missing Last message repeated 31 times [mp3 @ 00000278827328c0] Could not find codec parameters for stream 0 (Audio: mp3 (mp3float), 0 channels, fltp): unspecified frame size Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options Input #0, mp3, from 'C:\\TEM\\temp audio.mp3': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Audio: mp3, 0 channels, fltp Stream mapping: Stream #0:0 -> #0:0 (mp3 (mp3float) -> pcm_s16le (native)) Press [q] to stop, [?] for help [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [mp3float @ 000002788277ba00] Header missing Error while decoding stream #0:0: Invalid data found when processing input [graph_0_in_0_0 @ 000002788277a640] Value inf for parameter 'time_base' out of range [0 - 2.14748e+09] Last message repeated 1 times [graph_0_in_0_0 @ 000002788277a640] Error setting option time_base to value 1/0. [graph_0_in_0_0 @ 000002788277a640] Error applying generic filter options. Error reinitializing filters! Error while filtering: Result too large [aost#0:0/pcm_s16le @ 000002788277fc00] Finishing stream without any data written to it. [graph_0_in_0_0 @ 000002788277eb80] Value inf for parameter 'time_base' out of range [0 - 2.14748e+09] Last message repeated 1 times [graph_0_in_0_0 @ 000002788277eb80] Error setting option time_base to value 1/0. [graph_0_in_0_0 @ 000002788277eb80] Error applying generic filter options. [aost#0:0/pcm_s16le @ 000002788277fc00] Error configuring filter graph Conversion failed! Continue reading...