ADSL (Assymetrical Digital Subscriber Line)
A very fast data link between the IMD hub and the radio station "Tails".
Algorithm
A formula or set of steps used to compress the audio data prior to transmission.
APTx (Audio Processing Technology)
Brand name of company who designed the APTX compression algorhythm audio record and playback cards.
Audionics
Audionics routing matrix system as used by IMD and BBC television centre stage 6.
Bandwidth
The amount of data that can be sent through a network connection, measured in bits per second (bps).
CDQ Prima
The CDQPrima digital audio codec is a device used to send stereo audio between 2 fixed points using the MPEG algorhythm (mainly) at 128kbs.
Codec
The Codecs function is to compress and un-compress (or COde and DECode) the audio data into the 128 kbits (2 channels) available over an ISDN2 line.
Compression
Process of reducing the size of digital audio data.
DAT
Digital Audio Tape format.
Digigram
Brand name of company that provide the Linear audio (uncompressed) record and playback cards.
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Encryption
Process of coding data so that a specific code or key is required to restore the original data.
Firewall
An electronic boundary that prevents unauthorised users from accessing certain computers or files on a network.
Flash
A file format for delivering interactive vector graphics and animations over the World Wide Web.
kbs
Kilobits per second. Thousand bits per second. A data transfer rate.
KiloHertz (kHz)
Thousand cycles per second.
IP Address
Unique numbering system used to identify an individual computer on a network.
ISDN (Integrated Services Digital Network)
Allows data to be transmitted at high speed over the public telephone network.
Linear
Uncompressed audio at 44.1 kbs, 16 bit linear audio.
MPEG Layer 2 & Layer 3 (Moving Picture Experts Group)
An ISO (International Standards Organization) group that sets standards for compressing and storing video, audio, and animation in digital. form.
Musicam
Musicam is an implementation of the Layer II coding algorithm designed by CCS in the USA.
TIFF
Tagged Image File Format. File format used to exchange files between applications and computer platforms.
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