An audio letter is an audio recording sent by postal mail to a recipient. The practice was more common when charges for long-distance telephone services were higher and before the widespread use of the Internet.

The Compact Cassette, typical medium for audio letters

Discovered audio recordings offer a unique perspective into that time period and have often been used to present historical context in modern-day radio and television programs.

Media

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Media used in recording audio letters include:

References

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