MP4 (full name - MPEG-4 Part 14) is used for digital video and audio streams, subtitles. It is part of MPEG-4 and contains meta descriptions, such as creation time, duration, album name, etc. Known format extensions:
- .m4a;
- .m4v;
- .m4b - used for audio books, podcasts, online stores;
- .m4p - protected AAC;
- .m4r - ringtone.
MP3 is a common format for encoding audio files. There are three versions of the format: MPEG-1, MPEG-2, and MPEG-2.5. The first provides a range of bitrate of 32-320 kbit / s, a sampling frequency of up to 48000 Hz, which determines the best quality of the audio track.
Conversion of MP4 - MP3 will be needed if there is a video, the viewing of which is optional, such as a lecture. For the convenience of working with information, video is converted into audio, listened to on its media or format the audio track into text.
How to make MP3 from MP4 is described below.
Movavi
Movavi Video Converter is a free program for the operating system Windows, Mac, Android.
How to make MP3 out of MP4? To do this, you must:
- install the program on the device;
- click the "Add Files" button, select "Add Video";
- specify the quality of the final format, for example 128 kbps or 320 kbps;
- choose the path to save, otherwise the program by default puts the finished audio in the library.
You can also use a video and photo editor, "Screen Recorder" to record video from the monitor, a program for recording video lessons, a PDF editor, PowerPoint to Video Converter.
Zamzar
Service for converting online formats.
Conversion Supported:
- documents;
- Images
- audio;
- video;
- e-books
- archives.
An API for developers is proposed, with the help of which the service functions are integrated into the developed applications. How to make MP3 from the MP4 format using this program?
- To convert MP4 to MP3, you must select a video file on your hard drive or enter the URL of the file to be modified.
- Mark the format to which the conversion occurs.
- Enter your email address.
- Accept the conditions, click the "Convert" button.
Convertio
This is an online service that converts data from video to audio.
In addition, there is the possibility of converting image files, documents, archives, presentations, fonts, vectors.
To make an audio track from a video, you need to follow the instructions:
- Go to the site, determine the input file format, select the result format.
- Choose the type of media that contains the file: Dropbox, computer hard drive, Google Drive, URL.
- Mark where the result will be uploaded. It could be Dropbox or Google Drive.
- A window appears where you need to select a file for processing.
- Click OK, after which the service will display the finished result.