Thursday, October 27, 2016

Where You Can Get a Walkie Talkie Headset

Walkie talkies are widely used in almost any setting where the portable radio communication is necessary, including but not limited to; loud environments, in forests, in airports, when hunting, in airports, hiking and other outdoor recreation, among others. The units come in handy in situations where many people need to listen, and only 1 needs to talk at a go, for instance, when giving instructions to workers on a camping site. In other words, Walkie talkies are a great communication tools to have, regardless of whether you're using them for fun, at home, or at work, to help in facilitating things to run smoothly. That being so, they have one major limitation, and that's the fact that they're hand held devices which you've to carry with you at all times, and handle whenever you want to communicate. If both of your hands are full, then that can be very inconvenient. Fortunately however, today, there lots of accessories you can use, such as the Walkie talkie headset, which frees up your hands, thus allowing you to talk or communicate with much ease. Moreover nothing helps enhance the audio quality of the Walkie Talkie more than the headset.



To use the headset, you simply need to plug it into the Walkie talkie, and then you can leave the unit clipped onto your belt. The headset will allow you to not only hear clearly, but it also helps in cancelling out noise from your surroundings or environment. The boom mic of the headset allows you to talk directly into the Walkie talkie without having to hold the device up near your mouth.

Radio Connector Types

Walkie talkies don't use the same types of connectors for attaching the speakers, earpiece/microphones or headsets. Today, there are many different connector types available on the market. Even different Walkie talkie models from the same company might have different connector types. Actually, just because 2 different radios have a same physical connection socket, doesn't always mean that they're internally wired up the same way; this means that you should never assume that having the same socket means similar accessories will work in both Walkie talkies. So always be careful when choosing the connectors for your radios.

Active vs Passive

The Active Walkie talkie headsets normally manage the ambient sound that's around it, and send a similar frequency to unwanted sounds to cancel it out; this increases the sounds to noise ratio of unwanted sounds, eventually cancelling the noise out. The Passive Walkie talkie headsets rely on the insulated or the sound absorbent material to muffle the sounds; this is a cheaper option which only protect ups to a certain decibel level.

Conclusion

Today, there is a wide range of walkie talkie headsets to choose from. Your choice should depend on your particular needs, however, you should also make sure you choose one which will work great in your particular ambiance. If you are looking to buy a Walkie talkie headset, contact Headsetonline today, and we will gladly provide you with the perfect unit geared to meet each and every one of your needs.

Friday, October 21, 2016

what to look for when buying earphones

Closed Back Headphones vs. Open-back Headphones

Open-back headphones have pads which rest on the outer ear. They're designed such that the outer shell of the ear cup has perforations usually with horizontal cutouts. The Open back headphones design of the ear cup enhances better natural sound because of less coloration as compared to the Closed back headphones.

Closed back headphones have much larger earpads which encircle the ears. They are designed such that there's a big pad which cups the ears, and it features an insulated outer shell of plastic which covers the ears. The Closed back headphones actually have a very solid outer shell which doesn't have any sort of perforations such that the outer shell effectively cups/encircles the entire ear. The Closed back headphones are excellent at isolating noise. They block most of the ambient noise, but they've a smaller sound stage, which gives the user the perception that the audio/sound is originating from within their head. Closed back headphones also tend to produce much stronger low frequencies as compared to Open back headphones.

Low Impedance vs High Impedance



Headphones normally come in various different impedance levels, such as 8 ohms, 16 ohms and 32 ohms. The power that's supplied by an audio source may be at varying levels because of a variety of factors including being limited because of being battery powered. Generally, as the impedance of the headphones increases, much more voltage will be required in order to drive it, and the audio loudness of headphones for a particular voltage decreases.

The determination of impedance is usually disregarded by many headphone buyers, however, the truth is it's one of the most important factors to consider when choosing the best headphones for your particular needs. Impedance is basically just how much power the headphones can put out so that it can overcome resistance to move the headphones' diaphragm.

Low impedance headphones (that is, less than 25 ohm), usually require little power in order to deliver high audio levels. Low Impedance headphones play well with devices which have weak amplification. These can include; mobile phones, portable music players and various other portable devices. This type of headphones can be used at home and also while jogging with your mobile phone; this is one of the reasons why most of the on-, in-, and over the ear headphones, are low impedance. Low impedance headphones are normally designed to get plugged directly in to a single (one) source, and generates sound more efficiently from a lower level input signal. This headphones tend to be much louder and much more efficient, however, they will also require a much more capable amplifier.

High impedance headphones (25 ohms and above), generally require more power in order to deliver high audio levels. As a result, they're protected from damages caused by overloading. High impedance headphones are typically designed for studio like applications where there might be multiple phones/devices wired in parallel and receiving input signals from a single source. High impedance headphones are more tolerant of the amplifier limitations, however, they will produce less volume for a particular output level. They are also a little more durable (that is, electronically), however, they require much higher signal levels in order to produce the same level of output level of the low impedance headphones. This type of headphones can be used with a wider range of audio equipment.

Passive Headphones vs. Active Headphones

Passive (noise cancelling) headphones are made of materials which help in blocking out sound waves from the surrounding environment. The same way ear muffs soften the outside noise, so does this type of headphones employ passive noise canceling. This type of headphones are typically used for both professional mixing and monitoring, like in broadcast and recording studios, and such other applications. Passive headphones are basically designed to playback music/audio true to the actual original recording, with minimal, compression, EQ, and such other sound enhancements.

On the other hand, Active headphones use batteries in order to power the built in Digital Signal Processing (also abbreviated as DSP) technology which processes play back for a particular reason, for example, to enhance the bass and the high end. Due to the enhancement of playbacks with sharper high ends and more bass, active headphones are more popular for general listening and listening to music for pleasure. Active noise cancelling headphones are also made of materials which help in blocking out outside noise, however, they take things a step further by making their very own sound waves; the sound waves created mimic the outside noises, but are a mirror image of each other, thus cancels each other out.

Wired Headphones Vs Wireless Headphones

When choosing a pair of headphones, deciding between wireless vs. wired is among one of the most overlooked factors. Wireless headphones might be a more popular choice, however, the wired headphones also have their own set of benefits. Well, that being said, as a general rule of thumb, between wireless headphones and wired headphones, assuming a similar price between the models; the wired headphones usually offer a much better quality. Also, the audio quality may get compromised over Bluetooth.

You can opt for the wireless headphones if you are not much of an audiophile, and you tend to travel a lot. If you really don't like getting the cables of your headphones getting tangled, or caught while listening to music/audio, then the choice should be rather simple; go for wireless headphones.

You can opt for the wired headphones if you are an audiophile, and you do not necessarily bother with the wireless options unless absolutely essential like using them when traveling, or keeping the headphones as a backup. As aforementioned, the wired headphones are way ahead in terms of output quality as compared to the wireless headphones. You will never have to worry about running out of batteries, unless you happen to opt for wired headphones which cancel noise. In addition, you will never suffer from interference from the other commonly used wireless electronic devices. However, you will need to take good care of the wired headphone cables, or they will eventually break.

Monday, October 10, 2016

Intel Made A VR Headset And It's Totally Cord-Free

Intel just announced its own virtual reality headset called Project Alloy, a VR competitor to the Oculus Rift,HTC Vive and the forthcoming PlayStation VR headsets. But what separates the Alloy from the pack is that it’s completely wireless (the wire above is for capturing video for the demo) and it should give you complete spatial awareness without all the dongles the Rift and Vive currently require.

It does this using two of Intel’s RealSense cameras to continuously map your environment. It can even map your hands.

Intel calls the idea “Merged Reality”, essentially combining inputs from cameras around your environment into a virtual world. And Intel was able to pack everything â€" the processor, sensors and controllers â€" into one cord-free headset.



During Intel’s demo, however, the RealSense camera didn’t seem quite as fluid as you’d hope, especially if it’s your primary means of reacting to the digital world around you. Intel says that its hardware will be open source in the second half of 2017 (ugh), so the headset won’t be available anytime soon. Intel is also working with Microsoft so Alloy can run Windows Holographic, the software which powers Hololens, according to Microsoft’s Terry Myerson. Microsoft says that Windows Holographic will also be released in an update for all Windows 10 PCs next year.

Source - http://www.gizmodo.com.au/2016/08/intel-made-a-vr-headset-and-its-totally-cord-free/

Thursday, October 6, 2016

Ham radio: A last resort when phone lines fail

We at this blog believe in radio communications and will never let it die, understanding the importance that it still plays, and during the worst catastrophes, will be the best form of communication. This story about 9-11 adds proof to this statement.

If disaster strikes, there is a form of communication that can still get through: a ham radio.

When 9/11 hit New York City in 2001, for instance, ham radio operators provided a connection to the outside world.

One of those people was amateur radio enthusiast Bob Kyvig, formerly of White Bear Lake, who now lives in Centerville.

“The only communication out there on 9/11 was amateur radio,” Kyvig recalled. “The telephone lines were jammed and no one was going in or out.”

On the days following that horrific attack, Kyvig assumed the role of messenger, relaying messages from Manhattan to loved ones in the area by calling or knocking on their door. His house calls would go like this: “I am Bob; I am a ham operator. I just communicated with your loved one; they are fine and doing well and they will talk to you soon.”

When White Bear Lake sailor Gerry Spiess landed in Samoa on his historic solo voyage across the Pacific Ocean in 1981, he contacted Kyvig, who connected Spiess with his wife Sally.

When Hugo’s tornado struck in 2008, he and wife Jill remained on the radio as long as they could but had to abandon the “ham shack” as the storm approached. The tornado did $30,000 damage to their home, including Kyvig’s outside antennas.



A ham since 1968, long before Facetime, email or Skype, Kyvig was 20 when he took up the hobby while serving in the Navy. He was stationed in Hawaii and had childhood buddies serving in Germany and aboard the USS Milwaukee. The three met on the radio at least once a week without fail for more than 40 years, until the death of one of the men in 2015.

That connection to people is what Kyvig most enjoys. He chats on the radio to people he’s never met around the world.

“It’s a worldwide network of people enjoying fellowship with other hams,” Kyvig said.

The radio operator answers calls for help in areas of “health and welfare,” and was on Centerville’s first CERT (citizen emergency response team), which is now inactive. He serves as a severe weather spotter too, and gains “insights” as to what is happening around the world by chatting to foreigners.

“We talk about everything from fishing, to weather and local problems,” he said. “It’s very interesting because you find out so much about people across the world. And it’s not just the personal part but handling messages for help in disasters.”

He’s listened to astronauts aboard the space station and scientists at the South Pole. He has talked to people in Russia, New Zealand and most of Europe. For a long time, he kept a conversation going with a man in Norway who lived close to some of his relatives. Wife Jill also has her ham license and enjoys talking to other women, known as YLs or young ladies, across the world. “Lord knows what they’re talking about,” Bob said. “I leave the room.”

Ham buffs do have opportunity to meet at events called “eyeball picnics.” The Kyvigs traveled to a picnic in Branson, Missouri earlier this summer to socialize with other hams and match voices with faces.

Without getting too technical, Kyvig explained that radio signals are bounced up through the ionosphere. The signal goes up and down several times before it hits the final destination and you don’t control where it hits. People who want to contact Kyvig can tune into his call number: WA0ROH, assigned by the Federal Communications Commission (FCC), which regulates interstate and international communications. The agency requires operators to keep a log of who they talk to on an electronic spreadsheet.

“We could be talking to people the FCC thinks is a bad guy,” he said. “Because we can transmit all over the world without a phone line, some use it to their own means.”

Other countries have comparable agencies.

Each country has its own beginning call letters. The United States uses W, K and N.

“The concept is simple,” he added. “We use what Mother Nature has provided: airwaves. We plug a number in for a country and anyone can answer.”

A true party line, Kyvig said 30,000 people could be listening in on a conversation.

Jill proudly pointed out that Bob earned a master’s degree from The 3905 Century Club. It’s not the typical academic degree, but a difficult achievement nonetheless. “The degree was a challenge,” he said, which explains why only 68 radio operators have received the degree since 1967.

Bob inspired her to get her license, Jill said, and together they do public service events using ham radio.

Invented in the early ’20s, ham equipment is evolving, but affordable. Newbies can do it for about $300, he said. There are antennas on his roof, but mostly they are horizontal wires stretched between a tree and the house. Generator backup is used if there’s a power outage. He also keeps a mobile 12 volt transmitter that he can use in his truck to chat while he’s driving.

At one time, working knowledge of Morse code was a requirement to get an FCC ham license, but that was dropped, so more people are getting into it, he said.

When he’s not on the radio, Kyvig enjoys making furniture and fixing TVs. He retired from a career in computer operations about five years ago.

Source - http://www.presspubs.com/citizen/news/article_c147ab30-7c25-11e6-9028-679823bb75af.html

Monday, July 25, 2016

Why Are Good Communication Skills Important?

Take a second and look at Human beings, really look at us. We’re not as strong as elephants or rhinos, we’re not as tough as lions or tigers and we can neither swim like fish nor fly like birds. Yet, despite all this, there is still one inescapable fact: Human beings are the dominant species on the planet.

The short answer to your question lies implicitly within the above paragraph. With good communication skills, a group of disparate individuals can overcome a great many obstacles by working together. It is believed that our earliest ancestors were able to ward off predators by sticking together in large groups and thus presenting a formidable target (as opposed to, say, a buffet). We were also able to hunt prey much larger and stronger than ourselves (e.g. the woolly mammoth) by co-ordinating our efforts with good communication skills.

Such good communication skills are, not to put too fine a point on it, vitally important to the Human race as a whole. This excerpt from ‘Mutual Aid: A Factor of Evolution’ by Russian author Peter Kropotkin (1902), illustrates what we’re trying to say better than we ever could.

“Man is the result of both his inherited instincts and his education. Among the miners and the seamen, their common occupations and their every-day contact with one another create a feeling of solidarity, while the surrounding dangers maintain courage and pluck”

In other words, their shared lifestyle is a form of communication, the result of learned social primers and a lifetime of experience. It is the secret ingredient to our success as a species.

Good communication skills in the workplace operate along the same basic principles as they do outside the workplace. The goal is clarity, but equally, the speaker wishes to illustrate her point of view and encourage others to sympathize with it. This is why politicians pay their speechwriters as handsomely as they do.

Communication skills are also Vital to Human interaction. Humans are able to learn all sorts of things by listening for verbal cues that we are unconsciously primed to respond to. Information about a speaker’s age, class, race, gender and even occupation can be gleaned from the simple act of listening to a person. To quote Peter Trudgill’s book ‘Sociolinguistics: An Introduction to Language and Society’ (1974),

“Different social groups use different linguistic varieties, and as experienced members of a speech community we have learnt to classify speakers accordingly”, for those interested - this is known as ‘social-class dialects’.

You might ask how this affects you. Well, consider this; if you are applying for a typically upper or middle class job (say, office manager as an example) and you speak with a traditionally working-class accent, vocabulary and demeanour during your interview, you are actually less likely to get the job than the applicant who uses received pronunciation and does not use colloquialisms or slang terms. You might be more qualified on paper, but the interviewer will likely say something about you not being “the right fit” for the position. This is because he has been primed to expect a certain type for a certain role. Therefore, good communications skills, in this instance at least, would hinge on your ability to appeal to listeners by meeting their expectations.

Of course, we now know that such distinctions are unfair. Combating expectations of class, race, gender and sexual stereotyping led to the rise of ‘political correctness’, a much-maligned (and often justly so) and yet consistently misunderstood phenomenon.

For a more extreme example, imagine giving an obscenity-laced PowerPoint presentation at your next meeting. Once you stop laughing, consider the implications even if everything in the presentation was 100% accurate, (groundbreaking, even) you’d still be fired, wouldn’t you? Swearing is, of course, a lower-class way of communicating.

You need to find the correct words for the correct situation, but evidently, there has been a great deal of discussion as to what are the correct words.



If you want to know more, the poem ‘The Six O’Clock News’ (1976) by Scottish poet Tom Leonard is a good place to start. In the UK, we study it as part of GCSE English (or at least we did when this writer was at school), and the poem neatly highlights the social and class-based distinctions that typified (and still do to some extent) ‘normal’ speech and any important announcements..

So, in conclusion, communication skills are important because without them, nobody would be able to understand YOU.

Sunday, July 17, 2016

This ‘Smart’ Earplug Can Be Your Language Translator In Real Time

We have all watched star trek or 'Allo 'Allo! (bare with us) and wondered how we can understand all the different languages. Well it is all down to the tardis! It translates the persons speech from their mouth to your ear so you can understand in perfect English. But now you don't need to keep a Tardis about with you, as they have designed a earpiece that can translate different languages, just pop it into your ear and talk to some foreigners. You can find the original article here.

How many times did you give up on befriending a foreign national due to language problem? Even if you have befriended the person who doesn't speak your language, it becomes difficult to converse with him or her. You always feel  the need to have a translator, whether it is a face-to-face conversation or a telephonic interaction.

Technology has the solution for any or every kind of problem in this world. It is advancing day-by-day so language barrier can no longer make you behave like an alien. Communicating with a foreign national in real time is no longer a pain as a company has come up with the Pilot earphones that let two people who speak different languages communicate smoothly with each other.



So there won't be any awkward pause the next time you speak with your friend who doesn't know your language. Also, there is no need to consult either a dictionary or search online the next time you want to talk to your French or Spanish friend.

In fact, Wavery Labs, a New York-based company that launched the wireless earphones, will add more languages as soon as possible. Currently the earphone translates only three languages - English, French and Spanish. The company will soon add Italian to its list.



You must be wondering about its functions. It works when you connect the earphones to two different people, speaking different languages and translates what they say in the ear.

Waverly Labs calls it the first 'smart earpiece'. But it hasn't disclosed much detail about how it works. According to the company, the earphone uses "translation technology" embedded in an app. The Pilot will cost $129 (around Rs. 8,646) and will be available for pre-order on their website.

Sunday, July 10, 2016

2 Way Radio Hire : The way forward for Business Communication

Imagine this, you're in charge of the 30 volunteers working your son's annual cross-country club event. With one week to go, you're wondering how you'll be able to communicate with them all, spread out across a 150-acre course - not to mention trying to pay for expensive communication devices on a limited budget.

OR…A security firm has just landed a lucrative contract at several convention centers spread across the United States, but needs a way to share important information with any or all of its officers at a moment's notice.

The answer to all of these scenarios? Hiring a two way radio .

One of the biggest financial drains on any company is its investment in equipment that depreciates or becomes obsolete within the space of 3-5 years, regardless of the amount of money thrown at said assets.

With regard to communication equipment, some items- such as phones, computers and paging systems- must be purchased for use on a permanent basis. But unless Purchasing can reinvent the wheel, these purchases still represent money down the drain.

In addition, how does a company address business-driven fluctuations in staff, and the resultant security, safety, and customer service issues? Purchasing communication equipment that will be used for one week, then set aside for months afterward- only to be misplaced, damaged or stolen before it can be used again- is an expensive way to run a business.

How much better to work with a 2 way radio hire company; one that will not only provide the best service and selection, but also tailor state-of-the-art equipment to your organization's specific needs.

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There are few things more vital to an organization's well-being and security than effective and efficient communication. Schools, public safety agencies, hospitals, the agriculture industry, stores, construction sites, and airports are only a few of the many entities that rely on rapid communication for the very existence.

Given the unstable state of the economy, equipment rental has become the best of all possible solutions for companies with shrinking budgets. Aside from the fact that rental expenses are tax deductible, the two way radios themselves are designed for ease of use, and built to withstand the most rugged of conditions.

A 2 way radio Hire offers the best warranties and service, as well as: State-of-the-art equipment. Systematic hardware and software updates. Multiple frequency capability. Calibration of frequencies to match your existing equipment. Local and/or coast-to-coast capability, depending on your business needs. Temporary repeater installation in buildings where dead spots normally occur. Next-day shipping to remote work sites. Zero maintenance cost. Volume discounts.

Two way radio has come a long way since its first use by police departments in the early 1930's. In equal measure, the more recent transition from analog to digital signal represents a quantum leap forward in features, capability and efficiency.

2 way radio gives everyone involved a solution that offers value for money and an affordable way to the problem of anti-social behavior. In fact after paying for the handset there is no rental or call charges. With robust and reliable 2 way radios being it has never been easier for business owners to stay in touch and make their premises as safe and free of trouble as possible.