These icons were first developed for computers in the 1980s as a response to the limited storage and transmission bandwidth used in electronic messaging.

However, spread spectrum techniques use a transmission bandwidth that is several orders of magnitude greater than the minimum required signal bandwidth.

Thus far, customers have reported downsampling on "1080i" signals only; 1920x1080i can be downsampled to 1440x1080i or 1280x1080i, with a corresponding reduction in transmission bandwidth.

Support wide transmission bandwidth.

With support for higher transmission bandwidth and improved modulation, these digital subscriber line schemes have increased capability 20-50 times as compared to the previous voiceband systems.

Audio data compression, as distinguished from dynamic range compression, has the potential to reduce the transmission bandwidth and storage requirements of audio data.

Many Internet radios operate with severely constrained transmission bandwidth, such that they can offer only mono or stereo content.

In other cases it may be desirable to maintain some degree of compatibility with older AM receivers, while still retaining the advantage of reduced transmission bandwidth.

This is done to save transmission bandwidth but a consequence is that in picture tube (CRT) displays, the full vertical resolution cannot be realized.

It allows significant reduction of transmission bandwidth during silence period.