MP3 vs. WMA

There are just a few audio compression formats out there, just like there are only a few image compression formats (you may have heard of them: JPG, GIF, BMP). Two of the most popular audio formats are WMA, or Windows Media Audio, and MP3 (Short for MPEG, Moving Pictures Experts Group, Audio Layer 3). WMA is the older audio format, produced by Microsoft, to work with Microsoft's Windows media player. The WMA compression format was designed specifically for this format, and thus can not be converted to other audio formats.

The audio quality of WMA and MP3 audio formats tends to be noticeably different. WMA is a decent quality audio format when streaming at phoneline speeds (maybe 30kbps or so). At such speed WMA almost reaches an FM level of audio quality, although not quite. At 128kbps, Microsoft claims the WMA is nearly CD-quality, although many would deny this. WMA, however, is not to be completely looked over. The compression provides relatively small audio files and they require less processing power to execute. It thus retains a deminishing niche as MP3 has become more popular and widely used.

The MP3 audio compression was developed in Germany in 1991 by the Fraunhofer Institute. MP3 typically provides higher quality sound than WMA because it uses perceptual audio coding to compress CD-quality sound by a factor of 12. As a result, MP3 has become almost the universal standard among audio usage and broadcasting. It provides CD-quality sound at reasonable compression sizes and high streaming speeds. Watch out, however, at low bitrates, as MP3 quality will likely suffer.

Bradley James is a senior editor at SciNet.cc, a website containing many helpful consumer electronics review articles. For more information on MP3 and WMA audio formats, please visit our MP3 vs. WMA webpage.

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In this Oct. 15, 2008 file photo, Federal Reserve Chairman Ben Bernanke, right, listens to Timothy Geithner, president of the New York Federal Reserve, before speaking at the Economic Club of New York. President-elect Barack Obama is likely to name Timothy Geithner as Treasury Secretary in a time of intense economic turmoil as he rounds out the upper echelon of his Cabinet, a senior Democratic official familiar with the deliberations said Friday. (AP Photo/Mark Lennihan)AP - President-elect Barack Obama intends to name Timothy Geithner, president of the New York Federal Reserve, as his treasury secretary to confront the nation's intense economic turmoil, senior Democratic officials said Friday.



Trader Paul LaRegina works on the floor of the New York Stock Exchange Friday, Nov. 21, 2008. (AP Photo/Richard Drew)AP - Wall Street put a stop to a terrifying decline and stormed higher Friday as President-elect Barack Obama appeared ready to tap the chief of the New York Federal Reserve as the next treasury secretary and hand him the herculean task of righting the U.S. financial system.



President-elect Barack Obama, with money in hand, looks to pay for his order during a visit to Manny's Deli in Chicago, Friday, Nov. 21, 2008. (AP Photo/Charles Dharapak)AP - While President-elect Barack Obama publicly sidelined himself during congressional debate over an auto industry bailout this week, he and his top aides quietly prodded congressional leaders to find a solution to rescue struggling automakers.



Nebraska lawmakers Tom Carlson, left, of Holdrege, Lowen Kruse of Omaha, John Wightman of Lexington, and Norm Wallman of Cortland visit briefly Friday, Nov. 21, 2008, on the floor of the legislature just before the final vote of LB1, which puts a 30-day age limit on children who can be dropped off at Nebraska hospitals under the safe haven law. The bill easily passed 43-5. (AP Photo/Bill Wolf)AP - Gov. Dave Heineman signed into law Friday a bill adding a 30-day age limit to a safe-haven law that allowed 35 children — including teenagers as old as 17 — to be abandoned at state hospitals. The law, approved hours earlier by the Legislature in a 45-3 vote, goes into effect Saturday, and makes Nebraska the 14th state with a 30-day age cap. It had been the only state with a safe-haven law without an age limit.



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U.S. Attorney General Alberto Gonzales, left, and Vice President Dick Cheney are shown in this 2006 file photo at the White House. Cheney and Gonzales have been indicted on state charges involving federal prisons in a South Texas county that has been a source of bizarre legal and political battles under the outgoing prosecutor. (AP Photo/Pablo Martinez Monsivais, file)AP - A county prosecutor who brought indictments this week against Vice President Dick Cheney and others pounded his fist and shouted at the judge Friday during a routine hearing. Willacy County District Attorney Juan Angel Guerra asked Presiding Judge Manuel Banales to recuse himself from the case, which alleges abuse at federally run prisons.



Bulgarian archaeologists work near a Thracian bronze chariot discovered near the village of Karanovo. A bronze chariot dating back to the second century AD has been unearthed in a Thracian burial mound in southeastern Bulgaria, archaeologists said Friday.(AFP/BGNES)AP - Archaeologists have unearthed an elaborately decorated 1,800-year-old chariot sheathed in bronze at an ancient Thracian tomb in southeastern Bulgaria, the head of the excavation said Friday. "The lavishly ornamented four-wheel chariot dates back to the end of the second century A.D.," Veselin Ignatov told The Associated Press in a telephone interview from the site, near the southeastern village of Karanovo.



AP - Police have arrested a man suspected of leaving greasy, graphic imprints on the windows of stores, churches and schools in a small Nebraska town. A 35-year-old man was caught in the act by police early Wednesday morning, Cherry County Attorney Eric Scott said Friday. The man hasn't been charged yet, but authorities believe he is the vandal some townsfolk have dubbed the "Butt Bandit."

New York Knicks' Zach Randolph (50) shoots over Oklahoma City Thunder's Earl Watson (25) during the first half of an NBA basketball game Friday, Nov. 14, 2008 at Madison Square Garden in New York.  Randolph scored 20 points as the Knicks won 116-106. (AP Photo/Frank Franklin II)AP - The Los Angeles Clippers filled their void in the post Friday, acquiring forward Zach Randolph and guard Mardy Collins from the New York Knicks for Cuttino Mobley and Tim Thomas.



(From left) Senator Hillary Clinton, New Mexico Governor Bill Richardson, and Timothy F. Geithner, President of the Federal Reserve Bank of New York, are seen in a combination file photo. (From left Craig Mitchelldyer, Andrea Comas, Keith Bedford/Reuters)Reuters - President-elect Barack Obama on Friday moved toward nominating Timothy Geithner as Treasury secretary and charging the respected head of the New York Federal Reserve with helping pull the United States out of an economic nosedive.



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Leaders of the U.S. automotive industry testify at a hearing held by the House Financial Services Committee on Capitol Hill in Washington November 19, 2008. From left are General Motors CEO Richard Wagoner, Chrysler Chairman and CEO Robert Nardelli and Ford president and CEO Alan Mulally. (Kevin Lamarque/Reuters)Reuters - Detroit automakers began work on turnaround plans demanded by Congress in return for $25 billion in aid as General Motors Corp said it would cut production more and give up two of its controversial corporate jets.



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President Bush walks across the South Lawn to board Marine One at the White House, November 21, 2008. (Jim Young/Reuters)Reuters - U.S. President George W. Bush and Chinese President Hu Jintao planned to discuss North Korea's nuclear program on Friday evening as Asia Pacific leaders gathered for an annual economic summit amid the worst financial crisis since the 1930s.



A cleric walks past the national flag and a nuclear logo while visiting the International Koran exhibition at the Imam Khomeini grand mosque in Tehran September 3, 2008. (Morteza Nikoubazl/Reuters)Reuters - Iran rejected Friday U.S. reports it had enriched enough uranium to make an atom bomb, saying this would require steps it had ruled out like ejecting U.N. inspectors and leaving the Non-Proliferation Treaty (NPT).



Peruvian President Alan Garcia delivers a speech during the opening of the Asia-Pacific Economic Cooperation (APEC) CEO Summit in Lima. Leaders of the 21-member APEC group are to seek ways of turning back the world economic crisis as they gather in Lima amid unrelenting bad news from the Asia-Pacific region.(AFP/Presidencia)AFP - US President George W. Bush began Friday his last scheduled foreign trip, meeting the leader of increasingly important China ahead of a summit aimed at containing a spiraling financial crisis.



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