Send us a textTwenty five years ago work in a research institute in Germany made it possible to compress audio files into a size manageable enough to broadcast and share - ushering in a wave of innovation which shook the music industry to its foundations and laid the foundations for today's world of streaming. This podcast ( the first of two) looks in more detail at the birth of the mp3....Transcript/blog version here And a YouTube film version hereIf you'd like to explore more innovati...