Sunday, December 15, 2013

Eliminating that Terrible Hum From Your Home Theater Speakerss

You've all heard it, that dreaded 60Hz hum through the speakers of a home theater or house audio system. Hopefully you heard it at a friend's house and not your own. It can drive you completely nuts. You may have even tried, unsuccessfully, to fix the little noise problem. That can make you even more crazy. What causes that horrendous noise through your speakers?
More often than not humming through your speakers is caused by a grounding problem. There are three main ground problems that cause problems in an audio / video system. These are ground loops, improper grounding and lack of a ground altogether. The other possible culprits that can cause noise are bad cables, a faulty piece of equipment or electrical noise from a lighting dimmer or electric motor. There are steps you can take to troubleshoot the noise and eliminate it from you theater.
The first step is find out where it is coming from. Disconnect your source and display equipment from your receiver or surround sound processor. If the noise stops, connect them back to the receiver or processor on at a time until the noise returns. When the hum comes back, you found where the noise is entering your system. Note that if you are connecting remote equipment, such as running the signal from your theater room DVD player to the TV in the bedroom, your chances to pick up noise increase dramatically. With such long runs, noise can be induced into the long cable runs from adjacent electrical wiring. It is also easy to create a ground loop, because the equipment is plugged into two different, widely separated outlets, on different electrical circuits.
If the noise is caused by a cable box, the noise is likely caused by the cable TV ground. To test this theory, disconnect the incoming cable TV feed to the rear of the cable box or TV while they are still connected to the rest of the system. If the noise is eliminated by disconnecting the Topping TP20-MARK2, the problem is the cable TV ground. You can electrically decouple the cable TV feed from your system with a ground breaking transformer. These are available from many sources. Be advised that many newer, digital cable TV systems require any device in the signal chain to pass a full 1,000 Mhz. Some of the older ground break transformers will not do this. Be sure to check the specifications of whatever device you are purchasing to verify it will pass the digital cable TV signal.
If the noise is from your projector, TV, or monitor, it is most likely caused because the video display device is plugged into a different outlet than the other a/v equipment. It could be on a different circuit as well. These circuits may have two different ground potentials. That is, the resistance to ground is different on each circuit. A difference in resistance to ground from one ground point to another can cause the dreaded ground loop. If you get a ground loop, current flows between the two components. If the current flows through the components internal audio signal ground, you will get a hum.
You can use an isolation transformer, similar to the type used for cable TV ground problems, to eliminate the electrical connection from one component to the other. These transformers are inserted in line with the audio signal connection between the two components. If there is no audio connection between the components, the problem may be current flowing through the video portion. In this case, a video isolation transformer should be used to eliminate the ground loop.
Sometimes power conditioners will stop noise problems by placing equipment on Chengsheng HS-9004 2-CH Amplifier, electrically isolated outlets. This is done using isolation transformers. Sometimes this is ineffective however, due to the differences in internal construction of different power conditioning equipment. Some safety regulations, such as UL 1950, specify that an isolation transformer is only allowed to isolate the hot and neutral wires; the grounding wire must be passed straight through. If this is the case, the ground loop problem may still exist because many communication circuits are connected to the grounding conductor and not the neutral. In this case, the isolation transformer, or any power conditioner or UPS with an isolation transformer will have absolutely no affect on the grounding problem.
The noise may be generated externally, from a dimmer or refrigerator compressor for example, and coming in through the main power input on the audio video equipment. In this case, a high quality power conditioner may be effective in reducing or eliminating the noise problem. You may also find that one of the signal interconnecting cables in your system is faulty. This can also cause noise problems. Check for this by swapping the cables with one that you know to be good.
You can solve most noise problems in your home theater or multi room audio/video system by taking the systematic, step-by-step approach. Work your way up the signal chain, eliminating each piece of equipment as you go. If you have nothing connected to your speakers except the speaker wiring, and they still hum, the problem is noise induced into the speaker wiring from adjacent power cables. Other than that case, most problems are caused by ground problems, which you can find, and solve, if you take it one step at a time.

Thursday, December 12, 2013

Trouble Shooting Home Theater Audio Problems

Experiencing audio problems with your new home cinema system can be very frustrating since sound is one of the basic elements of the home theater experience.Many people would likely agree that the audio quality of a home theater system is just as crucial and possibly even more so than the home theater system video quality. An excellent audio element makes the cinema come to life right in your residence.
There are many problems which can arise with your sound system. Some are significant and necessitate replacement of home theater components. Others can be fixed with a minor adjustment. This is not a complete troubleshooting manual, but rather some advice for you if your home theater system provides poor sound quality.
Usually your first thought might be to conclude that your poor audio quality is caused by your speakers, before you immediately race out to purchase a new home theater surround sound speaker package, check the basic things first.
The problem might not be in the speakers, but in the amplifier or the connections from the amplifier. Checking and ensuring that the speakers are correctly connected on both ends is the first step.
After the connections pass examination, the next step is to check if the problem lies with the amplifier or audio speaker. Some of the lower end home theater systems come with low powered amps. Most often they do not supply sufficient power to speakers to produce the quality audio you desire. This may show up particularly if the room is large when the sound doesn't fill up the room.
To determine if it is indeed the amplifier then hook up your speakers to a stereo; this generally will have a more powerful amp. If the speaker quality improves then the problem probably lies in your home theater amplifier. If you can not distinguish any difference, then your speakers could possibly be at fault.
Poor cable installation and audio speaker cable are another possible cause for consideration. Cheap workmanship can lower audio quality and home theater packages often come equipped with inexpensive poor quality cables.
If you experience problems with your theater system, it is always best to assume the problem lies in the connections between components first and then suspect the components themselves. To ensure a great sound experience ensure that everything is properly connected, your amp is of sufficient power, and the cables are of high quality. If a person makes use of these basic easy precautions a significant amount of frustration can be eliminated. If your home theater sound isn't where you need it to be, use those hints as a blueprint as you analyze your system. If it really is time to look for new components, consider those directives as you make your next purchase.

Wednesday, December 11, 2013

Home Audio Equipment and Speakers - Best Ways to Save Money While Maximizing the Quality

The average audio consumer is content to head to the nearest electronics giant super store in an effort to acquire the latest advertised best buy. Most of the time the uninitiated assumes that the selections of speakers put forth are at least good quality. Surprise, surprise!
There are many major well known brands whose commercial and pro lines are exceptionally superb. Unfortunately, much of the quality does not always crossover into home audio models. There are two avenues to explore when shopping for the good quality at the best price. Both, however, take a little extra time.
If there is a particular brand and model which has peaked one's interest, due research is recommended. The first option is to diligently search audio or speaker forums and reviews of different brands and models. Do not be afraid to join a few and ask other user's opinions on the speakers in question. Reading a few consumer magazines featuring articles about home audio speakers can be a good start as well.
The other option, which may be intimidating to most individuals, is to build a set of speakers. Do-it-yourself speaker kits are available just like do-it-yourself computer desktops. The local bookstore will usually have several good books on speaker construction. Many of these same books will provide plans for building the box or speaker enclosure. The internet, as well, has a wealth of information to provide and the price is can be free.
A word of caution: many online retailers are simply resellers. Many of these vendors do not have any experience in electronics and other audio equipment. Because of these types of "cookie cutter" merchant's lack of experience with the products with which the sell, the consumer should not expect any competent tech support or professional experience. Instead it is recommended that the shopper purchase from an online retailer who has years of experience with the electronic products that they do sell. Their experience can be a valuable tool.
Even though building a set of speakers is more time consuming than simply running out to the store and dropping hard earned cash on an overpriced set of speakers, often one can build a much better quality pair of speakers for the same amount of money or less. They key advantage of building a set of speakers is that the personal experience and skills gained from a do-it-yourself project, such as this. will be invaluable in future projects and repairs. In fact, many individual's careers

Tuesday, December 10, 2013

Home Audio and Home Theatre Options and Trends in 2013 a

Technology advances at lightening speed. You blink and there is something new on the horizon. Sometimes, it's challenging to keep up, but when it comes to home audio & theatre, nothing is more exciting than the prospect of accessible and affordable technology to help create a cutting-edge, comfortable and streamlined experience.
2013 has many exciting developments in store on the home theatre front and as experts in home theatre setup, design and support, we wanted to share some of those trends with our readers.
1. Seamless wireless integrationa
Airplay is an Apple functionality that allows you to stream music or video through your entire house, wirelessly. This technology can be integrated into speaker docks, AV receivers and stereo systems so that your iTunes playlists can be enjoyed in any room with the click of a button. And while most AirPlay products were somewhat pricey in 2011-2012, there is some expectation that prices will come down in 2013.
But if wireless isn't in your budget, you can give the impression of a streamlined, wireless system by strategically concealing all back-end power sources with a clean and tidy cable management approach. Cable management is the practice of using small and specialized cable ties and devices to hide cables from view and keep your home looking beautiful. Cable management can be extensive, used in larger server installations in businesses, or while building large homes. Cable management options can also be inexpensive and easy to undertake. Vendors such as Ikea or Best Buy offer many cable management devices for home use.
2. Bye-bye discs
It used to be that streaming video was the way of the future - the future is now.
While DVD and Blu-ray players still exist (and will for some time), more and more, consumers are demanding streaming functionality. Content streaming services continue to expand. Rogers on Demand offers more, Netflix invested heavily in its content in 2012, iTunes has an ever-expanding library, and all offer you entertainment when you want it. We can set up your Apple TV and integrate it with your Netflix or iTunes library so that you can stream any movie to any enabled screen in your home.
3. Multi room home audio
Imagine your favorite music, vibrant and clear, played softly or loudly in any room you choose, throughout your home. A strategically planned multi-room, multi-speaker home audio system is the ultimate in flexibility. And it is entirely possible in 2013.
All of your music is stored in one location (like your iPad, for instance) and we set up your audio system so that your favorite tunes can be transferred from your living room to your kitchen and even to your bathroom with the click of a single button. Enjoy bass thumping beats in the basement while you exercise, then switch to classical playing softly in the background while you work in your home office, and later, some sing along oldies while you prepare and cook dinner in the kitchen. Whole home audio amplifies joy in your life! The music to your ears is just a phone call away!
Tucu is Tech U Can Use. We offer installation and support services for at home or in the office technology needs in the Toronto and Greater Toronto area.
From home audio, home theatre and home security installations, with or without iPad integration, to network monitoring, cloud computing support and computer troubleshooting at the office, we offer personalized, referral worthy service.

Home Audio and Home Theatre Options and Trends in 2013

Technology advances at lightening speed. You blink and there is something new on the horizon. Sometimes, it's challenging to keep up, but when it comes to home audio & theatre, nothing is more exciting than the prospect of accessible and affordable technology to help create a cutting-edge, comfortable and streamlined experience.
2013 has many exciting developments in store on the home theatre front and as experts in home theatre setup, design and support, we wanted to share some of those trends with our readers.
1. Seamless wireless integration
Airplay is an Apple functionality that allows you to stream music or video through your entire house, wirelessly. This technology can be integrated into speaker docks, AV receivers and stereo systems so that your iTunes playlists can be enjoyed in any room with the click of a button. And while most AirPlay products were somewhat pricey in 2011-2012, there is some expectation that prices will come down in 2013.
But if wireless isn't in your budget, you can give the impression of a streamlined, wireless system by strategically concealing all back-end power sources with a clean and tidy cable management approach. Cable management is the practice of using small and specialized cable ties and devices to hide cables from view and keep your home looking beautiful. Cable management can be extensive, used in larger server installations in businesses, or while building large homes. Cable management options can also be inexpensive and easy to undertake. Vendors such as Ikea or Best Buy offer many cable management devices for home use.
2. Bye-bye discs
It used to be that streaming video was the way of the future - the future is now.
While DVD and Blu-ray players still exist (and will for some time), more and more, consumers are demanding streaming functionality. Content streaming services continue to expand. Rogers on Demand offers more, Netflix invested heavily in its content in 2012, iTunes has an ever-expanding library, and all offer you entertainment when you want it. We can set up your Apple TV and integrate it with your Netflix or iTunes library so that you can stream any movie to any enabled screen in your home.
3. Multi room home audio
Imagine your favorite music, vibrant and clear, played softly or loudly in any room you choose, throughout your home. A strategically planned multi-room, multi-speaker home audio system is the ultimate in flexibility. And it is entirely possible in 2013.
All of your music is stored in one location (like your iPad, for instance) and we set up your audio system so that your favorite tunes can be transferred from your living room to your kitchen and even to your bathroom with the click of a single button. Enjoy bass thumping beats in the basement while you exercise, then switch to classical playing softly in the background while you work in your home office, and later, some sing along oldies while you prepare and cook dinner in the kitchen. Whole home audio amplifies joy in your life! The music to your ears is just a phone call away!
Tucu is Tech U Can Use. We offer installation and support services for at home or in the office technology needs in the Toronto and Greater Toronto area.
From home audio, home theatre and home security installations, with or without iPad integration, to network monitoring, cloud computing support and computer troubleshooting at the office, we offer personalized, referral worthy service.

Monday, December 9, 2013

Professional Service and Repair For Home Audio Systemss

It is very common for people to have very elaborate sound systems in their homes in today's modern times, so it always important to be aware of companies that are out there to repair your system in case it gets damaged, or be aware that companies are out there that specialize in upgrading your systems. From sound systems that are set up around the house for PA systems, to elaborate theater sound systems for your home entertainment areas, there is always need to use a professional Home audio tech.s
Many people want to get the most out of their brand new huge plasma TV, and the best way to do that is to have a sound-system installed that compliments your new TV. Audio systems can be very complex, and have a lot more going on than just speakers and wires. There are equalizers, main boards, amplifiers, and everything in-between that runs your system. Many components in a sound system can easily be broken, or blown, and you want to call a professional to fix or replace what you need to have fixed.
Having your sound system properly installed, and set up, will make the difference of quality like you could have never imagined. Even speaker placement is important. Also, if you have a speaker go out, you want to make sure a proper replacement is installed. Audio systems are very complex, and hard to fix on your own properly, so its best just to leave it to the professionals to make sure you are getting the most out of what you have.

Sunday, December 8, 2013

The HDMI Cable: The Future of Home Entertainment

The term HDMI stands for High Definition Multimedia Interface. It was developed after a consensus reached by a consortium of the big players in electronics manufacturing industries, which included Silicon Image, Hitachi, Sony, Philips, Toshiba and Panasonic. This technology allows efficient and "future proof" transmission of HD-videos as well as multichannel audio in a variety of computers, video and audio products.
The efficiency of this innovation has made over 800 electronics manufacturers to adopt HDMI as a standard for their products. The biggest benefit for the end consumer is the fact that he gets to enjoy a high quality, single cable, and all digital solution which can be used to connect all the home electronic appliances for entertainment without minding which manufacturer it's from. Also HDMI allows your electronic components to communicate with each other. This will allow you to optimize and synchronize your electronics with HDMI in a trouble-free automatic manner.
Benefits of HDMI:
• It is currently the best and efficient audio/video connection available in the market. It delivers great quality and is the only way you can view 1080p full-HD videos at home. Simply put, if you want to experience true HD on your Blu-ray players, DVD players that are upconverting and HD set-top boxes, then you must connect all these appliances with the HDMI cable.
• One Cable Convenience: Before the HDMI cable, you had to have 3 video cables, and at least one audio cable so that you can connect a single video/audio component to the TV. However using HDMI, all these signals travel just through one cable: thus translating to less confusion, and a cleaner system with fewer wires involved.
• All signals transferred are digital: The previous interconnection cables such as S-Video, component video and composite video did not carry an uncompressed, purely digital version of the data they were transmitting between components. Thus it involved a lot of analog to digital and digital to analog processing at various stages where the cable was connected on the various components, thus distorting the data especially when it moved through many components and long connections. However HDMI transmits purely digital data, thus it is never distorted during the conversion stages.
When you go to look for an HDMI cable, there are a number of things you should consider such as: construction and materials, speed ratings, bit depth rating, in-wall rating and if they support a specific feature among others. When deciding on the length of the cable, you need to know whether the length will be to connect each of your components. When it comes to HDMI being compatible to 3D, you must look for any HDMI cable with a continuous throughput of 10.2Gbps and one that can support 3D.