Lots of screenshots will help create comfort and familiarity with toolbar, and clearly show benefits visitor can expect to receive. Perhaps even more powerful for software in particular is a screen-capture video. Can you show exactly how toolbar is installed, and more importantly, how it's used? There's probably nothing so powerful for your customers as seeing your software installed and running on your own computer.

Don't forget to include testimonials from other users of your toolbar and your other products if you have them. Audio and written details describing installation and use of your software will go a long way towards helping your customers overcome any misgivings they may have.

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The sound compression uses techniques that conform to MPEG standards. Also radio transmission uses a form of signal modulation known as Coded Orthogonal Frequency Division Multiplex or COFDM. Here data representing sounds and other data to be transmitted is spread across a large number of close spaced radio signals. By spreading data over a wide frequency in this way whole transmission is less susceptible to noise and other forms of interference including fading and multi-path interference.

Multipath interference results when signals are reflected from objects such as hills and buildings and several signals from transmitter arrive at receiver, all at slightly different times because they have travelled over slightly different paths and have taken slightly different times to travel. For VHF FM this is a particular problem and often results in signal becoming distorted. DAB digital radio is able to combine all signals, and make overall reception more robust.

Naturally technology to enable all this to happen makes radio receivers more complicated. However improvements in integrated circuit technology in recent years have enabled required capabilities to be built into a radio for a reasonable cost. It is also expected to fall further as DAB becomes better established.

Summary DAB Digital Radio is a great improvement over analogue transmissions that are broadcast. Offering possibility of better quality audio, accompanying data, push button tuning and no requirement to re-tune when moving from one service area to next, it is certainly provides a considerable improvement over older analogue broadcasts. By offering all these facilities, it sets DAB digital radio in a position to take over as new form of broadcasting for 21st Century.