Glossary:

ATIS Telecom Glossary

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Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

digital voice transmission

Transmission of analog voice signals that have been converted into digital signals.
Note: An example of digital voice transmission is transmission of pulse-code modulated (PCM) analog voice signals.

digital watermark

An identification code or bit pattern integrated into multimedia data that aids copyright owners in identifying illegally distributed audio, video, or image data. [Bahorsky]

digitize

To convert an analog signal into a digital signal carrying equivalent information.

digitizer

1. A device that converts an analog signal into a digital representation of the analog signal.
Note: A digitizer usually samples the analog signal at a constant sampling rate and encodes each sample into a numeric representation of the amplitude value of the sample.
2. A device that converts the position of a point on a surface into digital coordinate… (Read More →)

digroup

1. Abbreviation for digital group. In telephony, a basic digital multiplexing group.
Note 1: In the North American and Japanese T-carrier digital hierarchies, each digroup supports 12 PCM voice channels or their equivalent in other services. The DS1 line rate (2 digroups plus overhead bits) is
1. 544 Mb/s, supporting 24 voice channels or their equivalent in other services.
Note… (Read More →)

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