Audio letter
Appearance
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Philips_C-60_-_Tape_-_Worn_-_Face_%2813844721854%29.jpg/220px-Philips_C-60_-_Tape_-_Worn_-_Face_%2813844721854%29.jpg)
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.
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[edit]
Media used in recording audio letters include: