Although modern headphones have been particularly widely sold and used for listening to stereo recordings since the release of the Walkman, there is subjective debate regarding the nature of their reproduction of stereo sound. Stereo recordings represent the position of horizontal depth cues (stereo separation) via volume differences of the sound in question between the two channels.

When the sounds from two speakers mix, they create the phase difference the brain uses to locate direction. Through most headphones, because the right and left channels do not combine in this manner, the illusion of the phantom centre can be perceived as lost.

Hard panned sounds will also only be heard only in one ear rather than from one side. This latter point is of particular import for earlier stereo recordings which were less sophisticated, sometimes playing vocals through one channel and music through the other.

Binaural recordings use a different microphone technique to encode direction directly as phase, with very little amplitude difference (except above 2 kHz) often using a dummy head, and can produce a surprisingly life-like spatial impression through headphones. Commercial recordings almost always use stereo recording, because historically loudspeaker listening has been more popular than headphone listening.

It is possible to change the spatial effects of stereo sound on headphones to better approximate the presentation of speaker reproduction by using frequency-dependent cross-feed between the channels, or–better still–a Blumlein shuffler (a custom EQ employed to augment the low-frequency content of the difference information in a stereo signal). While cross-feed can reduce the unpleasantness that some listeners find with hard panned stereo in headphones, the use of a dummy head during recording, with artificial pinnae, can allow on playback through headphones, the experience of hearing the performance as though situated in the positron of the dummy head.

Optimal sound is achieved when the dummy head matches the listener’s head, since pinnae vary greatly in size and shape.

Headsets can have an ergonomic benefits over traditional telephone handsets[citation needed]. They allow call center agents to maintain better posture instead of tilting their head sideways to cradle a handset[citation needed].

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Although article marketing is effective, it would not work if your articles are not accepted by directories. Make all the necessary steps to get your articles published. You can also do the following tactics to make sure your articles will be published.

1. Correct your article before making it live

No matter how tedious it is to proofread your article, you just have to do it. Article directories don’t publish sloppy articles in the first place. If one or few of your sloppy articles get through, they will not make it in the hands of the readers.

Readers will drop your article faster than a hot iron if it’s overloaded with wrong spelling and other typos. Poor grammar is not only embarrassing they could distort your message and get you into trouble, too.

A useful tip if you are going proofread your article yourself is to back track. Read the last sentence first making your way up. That way you are not going to miss any sloppy sentence or misused words.

2. Make your articles worthwhile to publishers and readers

Article marketing is aimed at helping readers learn something about your niche. There should not be an advertisement tone in your article. Articles laden with sales pitch are never published by article directories.

A good article in their eye is one that informs, share, and educate their readers about new product or service, or trend out there.

The right place for your sales pitch is not the body of your article but the resource box you place at the bottom. This small box plays an important role of inviting people to visit your website. Use your skills in promoting here and not in the body of your article.

3. Be straightforward in imparting your message

Write your articles with your readers in mind. They don’t want to waste their time going through each sentence and dissecting it just to understand what you meant. Make your article as easy to read and understand as possible.

That is to say avoid using jargons in it. Though the topic may be very easy for you, some people reading might still find it difficult. Cater to these readers also.

Remember these three fundamentals when writing your articles and you’ll be well on your way to achieve article marketing success.

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