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Compression and Decompression for Multimedia System Voice mail Voice mail systems use centralized equipment to record, store, and play back messages. Each user has access to an individual mailbox, which allows messages to be kept private. Voice-mail messaging is available to students, faculty members, and administrators. This service allows users to receive personal messages when they are away from their phones or while their phones are in use. Compared to written notes, voice mail allows longer and more complex messages to be accurately communicated. The ability to leave detailed, private messages frequently means callers can relay information without the need for a return call. This is especially useful when you consider that half of all calls are for one-way transfers of information. Review of compression techniques in existing voice mail system By choosing an appropriate voice mail compression technique, you can greatly reduce transmitted data rate and the bandwidth requirements for digitally encoded voice...

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