Forum Discussion
Is there any free program to convert mp4 to wav?
Hi, I'm relatively new to audio editing and file conversion, and I’m currently working on a project that requires me to extract high-quality audio from an MP4 video file. Specifically, I need the au...
As for me, GStreamer is a good and free MP4 to WAV converter. It is an open-source multimedia framework that enables the construction of graphs of media-handling components. It's used for:
- Audio and video playback
- Recording
- Streaming
- Format conversion (like MP4 to WAV)
- Filtering and effects processing
GStreamer uses a pipeline-based architecture where you connect different elements (sources, filters, sinks, etc.) to process media data.
Here's how to convert MP4 to WAV format using GStreamer:
gst-launch-1.0 filesrc location=input.mp4, format=S16LE, rate=44100,channels=2, location=output.wavBreakdown of the Pipeline:
- filesrc location=input.mp4 - Reads the input MP4 file
- ! decodebin - Automatically detects and decodes the content
- ! audioconvert - Converts audio to a standard format
- ! audioresample - Resamples audio if needed
- ! audio/x-raw,format=S16LE,rate=44100,channels=2 - Sets output format to 16-bit signed PCM, 44.1kHz, stereo
- ! wavenc - Encodes to WAV format
- ! filesink location=output.wav - Writes the output to a file