Jan 04

I think today wherever there’s a human being, there’s a pair of speakers. Perhaps you can’t imagine your living without your home theater system. In the bedroom, you still want to listen to your favorite Cd’s. The shortest car ride is unbearable without a decent stereo and a pair of speakers. Newly, this goes for boat rides, too. The more recent wireless technology allows you to have speakers in the garden, in the garage or wherever you have things to do.

But loudspeaker manufacturers don’t settle for this, when it comes to outdoor use. They want speakers that black out and melt into the environment. They want 100% weatherproof. They want naturalistic design. And the answer to all their wishes has materialized itself into the planter and rock speakers.

The biggest rocks in this field are Stereostone, Rockustics and SpeakerCraft. When it comes to rocking and rolling stones they can make all your wishes come true. Just try them by sending over a piece of rock from your garden. They’ll send back the design of a prototype speaker that looks exactly like your rock.

How to recognize a rock speaker

If you are in a friend’s garden, music is all around but you don’t know where it comes from, be sure that the speakers are hiding in the form of some rocks or flower pots. These speakers are especially designed for outdoor use, which means that they are 100% weatherproof. They are completely sealed, using insulating materials that are made to hold up in extreme weather conditions.

In aspect, both Rockustics and Stereostone speakers got inspired from mother nature. They have that grainy look, irregular shape of natural rocks, heavy appearance heavy, but are entirely made of light, synthetic, materials. Most buying guides recommend looking for speakers that are made of good weatherproof materials like: coated aluminum, stainless steel, polypropylene.

Do rock speakers really rock?

They sure do! What we like most about these speakers is how you can use them to impress your kids. Flower pots that sing and rocks that tell stories, this is as close as technology can get to a fairy tale.

If you have doubts about their performance level, don’t. Of course, they can’t compete by far with the audio quality of a high performing audio system or to the home theater experience. But they sound pretty well. Rock speakers and planters are meant to please the ear while they don’t bug the eye. The major advantage is they come close to you, and you don’t have to play them that loud. This way you won’t keep the neighbors up at night just because you are giving a back yard party.

The major drawback? Though they are designed mostly for outdoor use, they’re all wired. But this inconvenient can be solved through a few placement tricks.

Placement tips

Unless you plan to use your rock speakers as wasp nests or rain gauges, you should use a few tricks when mounting them:

  • Choose a drier place to place them.
  • Don’t point the port upward.
  • Place the speaker near the place you are to sit more often; In open air, there’s less reflection and speakers may sound weaker.
  • Measure the area you want the speakers to cover, preferable before you buy them. A pair usually covers 200 to 400 sq. ft.
  • Usually, 16- or 18-gauge wire is good; for runs over 80 feet, choose 14-gauge wire.
  • No matter the brand, use direct-burial cable to connect the speakers, because it resists the underground moisture and oxidation.

Planter and rock speaker manufacturers

Planter and rock speakers definitely can bring a dose of exoticism in your backyard. Here are some brands worth your consideration:

Rockustics

These are the guys that make your garden rock. Their garden series includes both rock and planter speakers. The Rocky III speaker looks like a stone on the back but like a Flintstones tool on the front. The sound quality and the bass response are good, even when compared with normal speakers. If you are willing to give away a larger sum, in order to enjoy a real bass experience, also buy one of the subwoofer models. Their base can be buried in the ground and a smaller part remains visible.

All Rockustics products have a lifetime warranty (their lifetime, not yours). All the speakers are designed for outdoor use. As previously mentioned, Rockustics can create custom colored-speakers, available by special request.

Stereostone

A Stereostone unit is a complete speaker on its own. Stereostone also offers models of aboveground subwoofers. The Gibraltar Rock is probably the most impressive rock speaker from Stereostone, both in size and performance. With an 8-inch woofer, its bass is quite pleasing. It can be of use in your personal garden, but also in theme parks or other public spaces.

SpeakerCraft

It’s probably even more difficult to tell which ones are rocks and which ones are speakers if you go for the Rox speakers from SpeakerCraft. The grille texture that hides the speaker is so fine that you almost don’t notice the difference. To build the speaker enclosure, the company developed a special blend of weatherproof resins. No matter how astonishing this stone similarity is, you may want to look for a little diversity in the garden patio. Webster the Frog is waiting for you. It is not a real frog, but a speaker in disguise from Bahama Sounds, a SpeakerCraft division located in Riverside, California.

For more information on wireless speakers and headphones visit http://www.wireless-speakers.org where you can find shopping tricks and product reviews.

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Dec 29

If MCSE training is in your future, you have many ways in which to get it. For many, the best way of doing this is through taking courses at a local training center. Others simply like to study from CD ROM’s or even through books. But, it is important that you get a thorough education of the topics that are included in the MCSE training courses. These courses will then prepare you for the 7 exams that you will need to take in order to be certified. There is a large base of knowledge to learn yet through basic tutorials you can accomplish all that you need to, assuming you have a basic knowledge of Microsoft systems.

Here are some of the exams that you will likely need to take:

For Windows 2000:

Microsoft Windows 2000 Professional: Configuring, installing and administering

Microsoft Windows 2000 Server: Configuring, installing and administering

Microsoft Windows 2000 Network Infrastructure: Implementing and administering.

Microsoft Windows 2000 Directory Service Infrastructure: Implementing and administering.

For Windows Server 2003:

Microsoft Windows XP Professional: configuring, installing, and administering

Microsoft Windows Server 2003 Environment: managing and maintaining

Microsoft Windows Server 2003 Network Infrastructure: planning and maintaining

Microsoft Windows Server 2003 Active Directory Infrastructure: implementing, planning, and maintaining.

There are also other exams that will need to be taken and passed. This includes a single design exam and an elective exam. There are a total of seven exams. The tests take any place from two to three hours to take and it will cost you about $125 US dollars on last check to take them. The exams consist of anyplace from 50-90 multiple choice, solution building, or drag and drop questions. But, content, method and even the exams themselves are subject to changes as Microsoft sees fit. Keep your eyes open for changes in the MCSE training.

For more information please see http://www.mcse-training-info.co.uk

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Dec 17

The interface is the face of the application behind which all of our instructional code is hidden; the interface between the user and the machinations for data crunching. It is imperative that the interface is well organised and easy to traverse with a mouse. I have seen command buttons thrown upon a form as if the developer were throwing dice in a game of yahtzee! (http://en.wikipedia.org/wiki/Yahtzee%21)

Ugly or disheveled design does not entice a user to utilise the application we put our blood, sweat and tears into and after all of our effort we want to motivate the user to utilise our application as much as possible.

One of our purposes as programmers is to improve the user’s experience of their working environment. Well ordered and aligned controls upon a form and well spaced details within a report will be easier upon the user’s eye and easier for the user to navigate the information presented. The user often uses the mouse cursor to guide their eyes around the display screen in a more focussed way. This is a similar principal to using a pencil to guide one’s eyes as a speed reading method (http://en.wikipedia.org/wiki/Speed_reading).

It is important to understand the psyche of the user. Most users live in a very different work space to us developers. A user who works for Administration services relies heavily upon grammatically correct written language and a particular spatial sense of proportion and balance with regards to information printed upon a report which also extends to an application’s forms. Inconsistent use of capitalisation within a report or spelling mistakes within an application will be revealed by the user or client. Some programmers may conclude that the user or client is being pernickety but would we want this type of grammatical or syntactical error to appear within our code? For instance; would we want to find the word employee to be misspelt as employea and appearing as employea or Employea within a case insensitive language?

Accurately named buttons upon a form are preferable to images. An image can speak a thousand words but what does an image of a tree say? I’ve seen trees and fish used as images upon buttons. Really, it is not kindergarten and images are always open to interpretation. Write out a button’s intentions clearly in written language. Images are useful for toolbars or coolbars and there are well defined and almost universally acceptable sets of icons available for these purposes and I suggest buying a quality set of icons from a graphics house like IconExperience or IconFactory.

Application colour is also a critical aspect of usability and application identification. Brand colours of a client’s organisation or your own is often a good choice. You can give the user the option of changing the primary colour of an application specific to their PC. The main proviso in colour choice is consistency and as few as possible. I have seen many programmers first attempts at an application become a fairground of diversely coloured forms or having a form within the application that changes colour from green to red during data validation errors. My first application was an example of the full colour spectrum. When I first started programming, colour computer screens had not long been on the market and I used the new functionality to it’s fullest extent! It drove the user batty and someone else edited the application to use more uniform colours.

Limitations to a user’s access to data within an application needs to be made obvious. If a user cannot access a control’s data then disable that control and colour it a non-intrusive grey. Profligate use of error notifications with phrases like “Access Violation!”, “Warning!” or “Security Breach” when a user clicks a control that has data they do not have access to, is an absolutely ridiculous waste of time and an unnecessary cause of user anxiety.

In most cases it is preferable to allow the user to see all of the controls upon a form including features they cannot access; features which can be disabled. If you hide controls upon a form you risk discombobulating your well organised form layout which violates the guideline of improving the user’s working experience. Even more disconcerting is hidden controls that magically appear in front of the user: Yes I know the controls have a visible property but it does not mean we have to use it.

In summation of the above:

  • Well ordered and laid out controls are easier upon the eye and easier to navigate with the mouse cursor.
  • Check for grammatical errors or inconsistency in the way words are used.
  • Use written names instead of icons or images for a form’s controls.
  • Use a uniform colour identifier for applications. Corporate branding colours are a good choice.
  • Do not hide controls from the user. If the user cannot access a control then notify them of the limitation in a a non-intrusive way.
  • Do not make controls appear and disappear upon a form.

For those interested in improving the grammar and punctuation within their applications I highly recommend the following book:

Renton, N.E. (2004) Compendium of Style & Good Writing - Third Edition, John Wiley & Sons Australia.

The older copies, of which I own one, were:
Renton, N.E. (1990) Elements of Style & Good Writing, Schwartz and Wilkinson, Melbourne, Australia.

Duane Hennessy
Senior Software Engineer and Systems Architect.
Bandicoot Software
Tropical Queensland, Australia
(ABN: 33 682 969 957)

Bandicoot CodeClipper, your code snippet organiser.
http://www.bandicootsoftware.com.au

Moderator of http://groups.yahoo.com/group/AccessDevelopers.

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