Arrangement for deleting trailing message portions
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United States of America Patent
Stats
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Jun 9, 1981
Grant Date -
N/A
app pub date -
Dec 21, 1978
filing date -
Dec 21, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A message storage system (104) deletes trailing silence from messages stored therein. Voice messages are converted to digital signals and stored as data blocks in a digital storage system (114a). Voice signals are detected in messages to be stored and voice present bits are generated and included in the individual data blocks to indicate whether voice signals are present in the data blocks. During storage of the data blocks, the voice present bits which identify data blocks containing no voice signals increment a counter (311), and voice present bits which identify data blocks containing voice signals clear the counter (311). The final count in the counter is representative of the trailing data blocks which do not contain voice signals, i.e., silence, and these data blocks are deleted from the digital storage system.
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