Compared to an uncompressed audio format, like a WAV or FLAC (there we go, got the audiophiles back) compressed audio files, like MP3s, are often 10 times smaller.
So, if solar wind data could be integrated, the different types of information layered somehow, and put into an audio format, well, it'd be a lot easier to notice, or in this case, hear patterns or anomalies.
An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression. The data can be a raw bitstream in an audio coding format, but it is usually embedded in a container format or an audio data format with defined storage layer.