Sunday, September 5, 2010

Optical Digital Audio Speakers: Facts About Digital Audio Speakers

By Jonathan Ikariyama

If you're not satisfied with your mp3 player or laptop computer music equipment as they are way too small and sounds like tin can then it is advisable to try using a digital audio speaker. Depending on your needs there's a large variety of audio speakers to choose from, there are actually audio speakers designed just for a specific system like USB speakers made for laptop computers, speaker docks for iPod, PSP, cell phones, MP3 players and more.

The benefits of digital stereo speakers are similar to what you get from with digital receivers, sharper sound and additional extra information to go along with each frequency. Unlike analogue transmissions, which attenuate over extended distance and are prone to disturbance, digital speakers sound equally clear across the whole area.

The USB digital speakers are super-portable and lightweight, gives power digital sound which connects using USB slot on your laptop. Unlike traditional speaker system which uses additional wires for power supply and output wires from your sound card which looks very messy. Available in compact desktop sizes, the AV tuner for 2-channel stereo systems require an amplifier to operate and is portable as in-car devices. Some designs feature a remote control for easy volume adjustments.

In case you are planning to purchase a speaker docks for iPod it is advisable to try a digital receivers, besides from its outstanding CD-quality sounds you can also enjoy listening to your preferred AM/FM programs with a noticeable clearness and reception. The phrase CD-quality is being used to illustrate digital radio by most of the market spokespeople, the radio stations and the makers, but it does not in reality sound like compressed digital music.

The sound quality varies between channels based on the number of kilobits that it utilizes for its transmission. It is the same basic principle as behind MP3 files, the higher the bit rate, the superior the sound quality. Nowadays these digital radios are only confined to couple of countries that have digital transmissions channels and they are too expensive.

Similar to any electronics, costs will decrease overtime. DAB+ radios are more costly than a regular analogue radio basically because they're a lot more sophisticated. The DAB+ chip inside the radio works as a decoder for transforming the digital stream into sound, fixing any transmission issues, and it also interprets virtually any of the program-associated data and multimedia data and outputs it on the digital radio's Liquid crystal display.

Because it is a somewhat new technology compared to some other digital radio standards, there are not so many products or producers that support it. At this time it's limited to desktop radios and iPod speaker docks, with one convenient in-car alternative. Limited adoption around the world also plays a factor, the only countries presently using the technology are Switzerland, Malta and Italy.

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