2017-04-13 10:09:32 UTC
I have approx. 30 minutes of Matrix H recorded off-air in 1977.
The bad news is that it's a 1-7/8 ips compact cassette.
The good news is that the sound quality is very good, no noise reduction was used, no perceptible azimuth drifting, and only occasional dropouts.
Programme material* is the Last Night of the Proms (excerpt) and some BBC drama.
My question is whether it is worth digitising these recordings for posterity? I have memories that this system utilised phase-encoded elements so would the cassette tape's performance have degraded any surround info?
I'm reluctant to throw away rare examples of our past technologies :-)
* haven't even considered any copyright issues!
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