Hello Kirk,
The audio file size has been calculated below, using the free tool here.
The largest file size is roughly 250 Megabytes, you may have trouble finding small enough flash drives for each file. Still not a bad idea to keep a backup copy on flash media.
You can click here to see how to burn Audio CD’s and Data CD’s for archiving your media.
Minutes: 45
Settings – Uncompressed (WAV, AIFF etc.)
Sample Rate: 44.1 kHz (CD)
Bit Depth: 16-bit (CD)
Channels: 1 (Mono)
Bit Rate (kbps): 128
Uncompressed (WAV, AIFF etc.)
Bit Rate: 705.6 kbps
238.14 MB (megabytes)
Minutes: 45
Settings – Compressed (MP3, AAC etc.)
Channels: 1 (Mono)
227.10800170898438 MB (megabytes) /
Bit Rate: 128 kbps
43.2 MB (megabytes)
41.19873046875 MB (megabytes) / MiB