Further to the previous article posted about the Bhaktivedanta audio recordings …..
" In the late 1980s all the known audio tapes of Srila Prabhupada were transferred from reel-to-reel and cassette to DAT as part of the normal archival procedure for preservation. More than a decade has passed, and with the development of new technology it is time to migrate the collection to the new primary digital format, .wav files. This process has been started, but the Archives sorely needs new equipment to match the leaps being made forward in technology and to make this a smooth, state-of-the-art transfer worthy of the material. "
Read more about this here.