วันจันทร์ที่ 22 กุมภาพันธ์ พ.ศ. 2553

How to Get the Most Out of Your Speakers

It is important to know how to get the most out of your speakers. Speakers are an integral part of your home's media equipment. They provide audio outputs such as ambiance sounds and dialogues. Speakers give an edge to clarity, pitch, and depth of sound. A quality speaker enhances the quality of any musical experience.

If you are interested in getting the most out of your speakers without breaking the bank, then here are few tips on which areas ensure a better speaker performance.

Speakers are the keystone of audio output. In a home theatre system there are basic types of speaker placements: The right and left front speakers, the direct centre speaker, the surround sound speakers and the sub woofer system speakers. It is important for all of the speakers to provide the optimum output to ensure a realistic audio experience.

Front speakers produce the soundtrack and the effect sounds. There are different types of front right and left speakers categorized by their placement in the room. The most common types of front right and left speakers are floor speakers, book-shelf speakers and the satellite speaker system.

Floor speakers - These speakers are used with a home theatre system. They are usually large and the sound quality of these speakers is superb. The form, color, and material of the floor speakers can be planned to match with the decor of the room. A decor with traditional furniture and tapestry should have floor speakers with wood finish. Black colored speakers are good for a room with modern furnishings. The floor speakers can also be custom made for your requirement. On the downside, they are usually expensive and can take up lot of space.

Bookshelf Speakers - These speakers are smaller than floor speakers and work very well in a limited space. They are less expensive than their larger counterparts. There is a disadvantage with them, bookshelf speakers cannot produce low-pitched frequencies very well, but there is a solution, you can attach a powerful subwoofer system to enhance the bass.

Subwoofer and satellite speaker systems - These speakers are little geniuses. Tiny yet superbly equipped to give you the experience of full sound. The subwoofer is little bigger than the satellites but can be placed anywhere in a room and their performance will not be hindered. The satellites are small enough to fit anywhere, from walls to ceilings, tabletops to shelves. The most important advantage of the Subwoofer and satellite speaker system is that it matches different types of interior decorations.

Direct channel speakers do the majority of the work of producing the audio output, as it provides the dialogue and almost half of the soundtrack.

Surround sound speakers provide the ambient sound of an audiovisual presentation. These speakers give the experience of a movie theatre. The surround sound effect provides a 360-degree sound experience. The most popular types of surround sound speakers are in-ceiling and in-wall speakers. These are no different from the other speakers. In-ceiling and in-wall speakers as the names suggest, are installed within the walls and the ceiling. These speakers have been used for commercial purposes for a long time and now they are used for residential purpose. These speakers blend easily with the decor of the room as they are available in a variety of colours. It is important for in-ceiling and in-wall speakers to be installed properly to enhance the output of the speakers.

Not only the speakers themselves, but also other factors such as the placement of the speakers and the quality of the accessories help to enhance the output of the audio system. These factors are,

Inter-connections and Cables - It is crucial for the audio signals to be transferred from the source to the speakers for an audio output. As the signals go through different components there is degradation in the quality of the audio output. Therefore it is important for you to ensure that the cables used for connecting the various pieces of equipment are of very good quality and you can also use contact enhancers to be sure of a good connection. It is also important to use the best quality audiovisual equipment connection that is supported by your system.

Acoustic Improvements -Making the rooms more acoustic by the use of acoustic materials can be a good solution to get the most out of your speakers. The acoustic treatment of the rooms effectively enhances the bass response and clarity of dialogue. It is also important to cut out the noise emitted from the other components of the multimedia console like projectors and other components. Sometimes such noises hamper the performance of the speakers. There is a simple solution to this problem. Build a hush box around the noisy equipment out of special acoustic material to contain the unwanted noise.

The strategic placement of acoustic panels in the room can also enhance the audio output. To ensure that the panels are placed at the perfect position, you can run a simple test. Sit down where you would usually listen to the equipment e.g. on the sofa (the listening position) and place a mirror on the wall. Move the mirror until you are able to see the speakers' reflection. Mark that spot and there would be the perfect place to position your acoustic panel.

The placement of the subwoofer system is also important. Though the low bass is non-directional, the volume of bass and its tonal quality is affected by the improper placement of the subwoofer. To get rid of this problem use a simple trick. Place the sub woofer in the listening position outlined above. Move around the room listening for place with best quality of bass. Place the sub woofers in that position.

These hints and tips will help you if you would like to know how to get the most out of your speakers.




Sam Goddard has is a semi-professional singer and has spent many years researching the biological and physical properties of sound from a human and a technological perspective.
Get more information regarding speaker stands.

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วันเสาร์ที่ 20 กุมภาพันธ์ พ.ศ. 2553

Successful Travel Photography

Travel photography is quite different from other photographic endeavors especially if you plan to make a living from it.

Most successful travel photographers are writers as well. Actually in the print world, you can't separate words from pictures. They complement each other.

What the picture can't show, the words explain in greater detail. So it's no surprise that some travel articles are sometimes from husband and wife teams.

That's the perfect job for couples. Think exotic locations, the love of your life with you and endless adventures together.

My biggest problem with travel photography is that a lot of the imagery you see have been so photographed that they're the equivalent of visual clichés. What comes to mind when you think of China? Great Wall of China, or the Forbidden City in Beijing? Egypt? The Great Pyramids. India... the Taj Mahal. Indonesia...Borobodur. Cambodia...Angkor Wat.

As in most printed media, the pictures tend to be more important than the words. A visually striking image will draw a casual browser of publication into reading an article even if the headline is not well-written.

A great selection of pictures of one destination can save a article with mediocre writing. But the same can't be said if the pictures are of poor quality.

No matter how good and compelling the writing, if the pictures are just mediocre, readers will not be drawn to the story.

Poorly composed images, especially ones with lots of technical flaws like low resolution, artifacting and digital noise cannot be rescued. As powerful as Photoshop is, it simply can't fix or add something that isn't in a picture.

Even if it can, there is the ethical question of are you allowed to? Most magazine have strict guidelines against such manipulation of images especially in their editorial content.

But poorly written articles can be "massaged" and fine-tuned by editors into some quite readable.

Tips for a successful trip:

1. Careful planning and research of your destination.

Obvious yet a lot of people don't consider this when making their plans. Festivities like Oktoberfest in Germany, Tournament of Roses in Pasadena, California takes place annually at the same time.

And by planning I don't just mean planning for the length of time you are going to be at your destination. If you're a digital photographer, you'll need power to charge your batteries and a way to download and clear off your memory cards or you will be up the proverbial creek without a paddle.

If you're headed abroad where electrical power is different from home, you'll also a voltage converter. I recommend the Kensington 3317 International All-in-one Travel Plug Adapter.

2. Precise note-taking.

Whether you use a laptop or pen and paper, having good habits like keeping receipts and other bills incurred during the trip is important.

Even if you're not writing the article, precise notes on how to get from town A to town B, how much the fare was, the duration of the drive are all details which add value to your pitch to magazines or collaborative effort with a writer.

Remember your recall will not be so good once you're home. Foreign names have a way of sounding the same when you get home, so good note-taking is critical.

Your article will have more credibility if you provide details since a travel article is part "how-to" and part narrative. Another reason for those notes is documentation when you claim the trip as a business expense.

3. Digital SLR with wide and telephoto zoom lens

Think "light." If you're lugging around a lot of gear, you'll be too beat to use your camera. Traveling light doesn't mean you leave essentials like a healthy supply of extra memory cards, batteries and flash units at home.

If you're bringing along a laptop, then a supply of writable CDs or DVDs is important.

Even if you don't have a chance to edit your images after you download them to your computer, you should burn those images as a backup and mail them to yourself.

That way if all your gear is stolen, you'll still have images to show when you get home.




Prior to his arrival in the US, before attending college, Riverside portrait photographer Peter Phun traveled extensively, documenting his travels through photography.

He specializes in location portraits, weddings and editorial work. He writes about photography, Macs & the internet. He also designs websites and is a stay-at-home dad.

Previously, Peter worked as a staff photographer for 18 years at The Press-Enterprise, Southern California's 4th largest daily newspaper. He is the webmaster for the Mac user group in the Inland Empire.

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