M4A stands for MPEG 4 Audio and is a filename extension used to represent audio files. MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. International Organization for Standardization

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Now, choose File > Export > Export as WAV > in Save as type option, choose Other uncompressed files > choose Encoding as U-Law and proceed to save file for UCCX supported type. Once Mono file is created, delete the older file format. To change audio to Mono, click on drop down button highlighted on the picture and choose “ Split Stereo to Mono“. The picture shows how to change Project Rate (Hz) to 8000 wav file on Audacity, press Ctrl+A (Select All) and change Project Rate (Hz) to 8000 and Mono type (by clicking top drop down) m4a file on Audacity, click on File menu > Export > choose Export as WAV option to save file. If versions are displayed on the libraries, then it means the libraries are successfully loaded onto Audacity. Run the downloaded file and do not change the installation directory while installing.Ĭlose Audacity and open again.

In Preferences: Libraries window seen above, under FFmpeg Import/Export Library, click on Download button, then download for Windows version. Go to the deal Step 4 – Install FFmpeg Import/Export Library

M4a to wav audacity