Dale is the owner and webmaster for www.gizmocentral.com - an online webstore that specializes in electronic gadgets. His hobbies include gemology and he has an interested in fashion jewelry.
Cheap MP3 players have become an integral part of our everyday lives, along with ubiquitous cell phone the laptop computer! The convenience of having your music in MP3 format as opposed to conventional CDs is undeniable, and evident for all to see. This article discusses the technical aspects of the MP3 format and players.
On most music CDs, each song is stored in digital format as a WAV file. On average, one minute of music in this format can require between one and two megabytes of storage space. This allows for storage of only 10 to 15 songs on most CDs. MP3 technology seeks to compress the file size considerable making use of something called the “lossy compression algorithm” and the science of psychoacoustics. Within the range of human hearing, our ear has limitations on distinguishing between multiple notes being played simultaneously. For example, two notes of the same strength played simultaneously would likely be heard as a single note, with one note masking the other. The perception of human hearing has been described as a series of mathematical equations, and the lossy compression algorithm provides a roadmap to strip out the notes that cannot be discerned by the human ear. The resulting file is then compressed a second time, and the file is now in MP3 format. The MP3 file is typically one tenth of the original file size. Compressions of less than one twelfth are possible, but at these high compressions, the loss of audio quality becomes significant.
This MP3 file can then be downloaded on to an MP3 player. Most digital music players consist of a file storage unit, an electronic play back unit, a battery power supply, and headphones or earbuds. The storage, playback, and power supply units are housed in a protective casing. The file storage unit can be either a hard drive or a flash memory card. Hard drives usually have much higher storage capacities than flash memory units, but can suffer from “skipping” and consume more power than flash memory. The battery powers the MP3 player. It can be a built-in rechargeable battery or an external AAA size battery that needs to be inserted into the player. The economy of a built-in rechargeable battery is obvious, but you will need to plug the player into the USB port of your computer in order to charge the battery. In that respect, units with the AAA batteries are more convenient.
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Time Inc. Unveils Tablet Magazine Concept
By: Kris Andrews | 07/12/2009The popularity of the Internet has been hurting the print products, including magazines. Their websites, no matter how popular, can only generate a fraction of ad revenue compared to how much publication companies earn on print. Time Inc, publisher of various magazines including Time, People, and InStyle, come up with a series of digital magazines that will be formally unveiled soon.
Useful Barcode Scanner Reviews
By: Peter Hanson | 06/12/2009Since technology is more advanced, it's started to be imperative for the producers and the wholesale merchants of a product to track the line of their goods. The premium way for them to achieve this is to keep data in computers.
The proper way to use a stun gun
By: Chuck Dougherty | 04/12/2009In order to learn the proper way to use a stun gun you need at least some idea of what it is and how it works. In the most basic of terms, a stun gun uses high voltage and low amperage to temporarily disable your attacker and provide you with what hopefully will be enough time to escape.
The Best of Industrial Valves & Pressure Gauges 101
By: Ronald Yiu | 04/12/2009Valves are an integral part of the day-to-day functions- plumbing valves used in taps for hot and cold water, gas control valves on cookers and barbecues, small valves fitted to washing machines and dishwashers, and safety devices fitted to hot water systems.
The Best of Industrial Valves & Pressure Gauges 101
By: Ronald Yiu | 04/12/2009Valves are an integral part of the day-to-day functions- plumbing valves used in taps for hot and cold water, gas control valves on cookers and barbecues, small valves fitted to washing machines and dishwashers, and safety devices fitted to hot water systems.
The Best of Industrial Valves & Pressure Gauges 101
By: Ronald Yiu | 04/12/2009Valves are an integral part of the day-to-day functions- plumbing valves used in taps for hot and cold water, gas control valves on cookers and barbecues, small valves fitted to washing machines and dishwashers, and safety devices fitted to hot water systems.
The Best of Industrial Valves & Pressure Gauges 101
By: Ronald Yiu | 04/12/2009Valves are an integral part of the day-to-day functions- plumbing valves used in taps for hot and cold water, gas control valves on cookers and barbecues, small valves fitted to washing machines and dishwashers, and safety devices fitted to hot water systems.
The Best of Industrial Valves & Pressure Gauges 101
By: Ronald Yiu | 04/12/2009Valves are an integral part of the day-to-day functions- plumbing valves used in taps for hot and cold water, gas control valves on cookers and barbecues, small valves fitted to washing machines and dishwashers, and safety devices fitted to hot water systems.
Silver Jewelry - The Perfect Fashion Accessory
By: Dale Arnold | 18/07/2009 | JewelrySilver has become extremely popular in fashion jewelry today. This should come as no surprise. It has a warm color, is easy to work with, and much more affordable than gold or platinum. This article explores the world of silver jewelry.
Useful Information on Silver Jewelry
By: Dale Arnold | 18/07/2009 | JewelryThere is a wide range of silver jewelry available in the market today. Silver is a versatile metal in that it can be used for fine and fashion jewelry. This article some useful tips when buying silver jewelry.
The Beauty of Silver Pendants
By: Dale Arnold | 18/07/2009 | JewelryA silver pendant is an easy and inexpensive way to express yourself and your fashion style. There are a wide range of pendants available in the market today. This article provides tips on choosing and wearing silver pendants.
The Beauty of Silver Jewelry
By: Dale Arnold | 18/07/2009 | JewelrySilver has a warm, natural luster that has made it a favorite of designers and fans alike. It is also relatively easy to work with, allowing designers to create intricate and innovative silver jewelry designs. This article describes the beauty of silver jewelry.
Sterling Silver - A Popular Metal for Fashion Jewelry
By: Dale Arnold | 18/07/2009 | JewelrySilver was discovered several centuries ago and has through the ages, been cherished by all civilizations. Its warm luster and malleability have made it a favorite for fashion jewelry. Read on to learn more about this popular metal.
Pearl Bracelet Essentials
By: Dale Arnold | 17/07/2009 | JewelryPearl bracelets come in a wide range of forms and configurations. They are also available with natural or cultured pearls. Read on to learn more about the basics of pearl bracelets.
The Magic of Pearl Bracelets
By: Dale Arnold | 17/07/2009 | JewelryPearls have been popular in jewelry for many centuries now. However, the development of periculture made them particularly popular and affordable. Learn how inexpensive freshwater pearl bracelets can be used to jazz up a casual outfit.
The Beauty of Pearl Bracelets
By: Dale Arnold | 17/07/2009 | JewelryFreshwater pearl bracelets are affordable and can be used to punch up any outfit - casual or formal. Learn more about the basics and types of pearl bracelets available in the market today.