What is a .G721 file?
A .G721 file is a type of audio file that uses a special method to store sound. This method is known as the G.721 codec. The G.721 codec was developed by a group called the International Telegraph Union (ITU). This codec is special because it can compress audio without losing much quality, making the file smaller and easier to send or store. The audio in a G721 file is usually recorded at a quality that is good for voices and is transmitted at a speed of 32 kilobits per second. This means it's mainly used for spoken words, like in a podcast or a voice message, rather than music.
To listen to or work with a .G721 file, you need specific programs that can understand and process this type of file. Some of the programs that can open .G721 files include: - FFmpeg: This is a very powerful tool that can work with a wide range of audio and video formats, including .G721 files. It's a bit complex because it uses command-line instructions, but it's very versatile. - libsndfile: This is a library that allows software developers to read and write files in various formats, including G.721, within their applications. It's not a standalone program you would use directly, but rather it helps other programs to handle .G721 files.
Both FFmpeg and libsndfile are repeated in the list, which means they are highly recommended options for working with .G721 files. These tools are typically used by people who have some technical knowledge, such as developers or those familiar with command-line interfaces.
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