How do I measure frequency of an audio file into an array?

1. How do I find the frequency of an audio file?
2. How do I find the frequency of a WAV file?
3. How do I know what Hz my MP3 is?

How do I find the frequency of an audio file?

If you need to determine the bitrate or frequency of an audio file, such as an MP3, or the audio in a movie file, such as an MPEG or MP4, you can do so on Windows using a free program called Pazera Free Audio Extractor. This program includes the powerful FFMPEG library with an easy-to-use and quick interface.

How do I find the frequency of a WAV file?

Find a WAV file's sample rate in Windows by right-clicking the file, then clicking "Properties." In the window that appears, look under "Audio Format" for a set of details including a number expressed in kilohertz (kHz): This is the sample rate.

How do I know what Hz my MP3 is?

First install Spek on your PC and launch it. Now find an audio file (MP3, WAV, FLAC, AAC, whatever) you want to find the true bitrate for. Drag and drop it into Spek – which will now display the frequency spectrum of the file.