Types of Hi-Fi Systems

!±8± Types of Hi-Fi Systems

Hi-Fi or high fidelity replica is a word utilized by home stereo listeners and home audio enthusiasts (audiophiles) to relate to soaring quality reproduction of sound or images that are very congregation to the creative recital. Preferably, high fidelity apparatus has least amount of distortion and noise and a precise frequency response as put forward in 1973 by the German Deutsches Institut fur Normung (DIN) standard DIN 45500. Hi-Fi system is the meeting of video / audio elements like MP3 players, CD players, television set, and DVD players, digital surround sound speakers and satellite TV receiver considered to replicate soaring quality images and sounds of the creative recording.

The word Hi-Fi system of visual and audio elements is primarily related to precise reproduction of creative sound without distortion or noise, as assigned by DIN 45500 standards in nineteen seventies. Though three decades later, it has grown to be a wider term the phrase was initially utilized to relate to any audio apparatus of the shrillest quality. Nowadays, it is made up of the similar elements that a usual home theater utilize - television, DVD, CD player and surround sound speakers.

One of the benefits of the high fidelity system is their reasonable prices when equated with pricey home theater systems. It is not essential that you purchase all the elements at the equal time. This creates the improvement of your hi-fi easier and simpler.

There are three steps in a high fidelity system: the music or source playback tool, the amplification of sound signals furnished by the amplifiers, the loud speakers which renovate the amplified signals into sound. It should have a number of playback tools like a DVD player, a CD player or may be a,television. Even though mostly it comes with a CD player or a universal player that can engage in the recreation of different sound configures like DVD, CD and DVD-A etc.

Subsequently, during the amplification procedure, the amplifiers execute two tasks. They have organizers that permit you to regulate the volume. Secondly, they improve the sound effects which are very important for accurate high fidelity audio practice. Finally, there is a place of speakers that obtain the electric signals and transfer them into sound. For this system, you require at any rate two speakers. Lastly, you also require interconnects and speaker wires to hook up all the elements.

There are three kinds of systems based on their output power, design and what functions & qualities they come with: Midi Hi-Fi, Mini Hi-Fi and Micro hi-fi systems. Midi Hi-Fi are accumulated parts of different elements like a CD player and twin cassette player. The greater forms typically provide higher output while the lesser forms with minor output are also obtainable. Midi hi-fi are flexible and easy to utilize. Nowadays forms of midi system integrate lots of features and there is a variety of forms with various features and styles, and at various prices to pick from, so there should be a midi system on the market to outfit your taste, budget and listening requisites. Midi Hi-Fi abode all the different audio tools in one simple to move unit.

Mini Hi-Fi systems approach in two proposes - numerous elements integrated into single unit or elements system. Their elements are not as hefty as midi hi-fi systems so require lesser place than the large midi systems. Micro Hi-Fi systems are dense and come with elements built into a single component. They generally offer much minor output but they are relatively suitable to budge around in your home. The most significant quality of the Micro Hi-Fi is the precision and clarity.

The configuration of these Hi-Fi systems is splendid and it can be used by large number of people, who wants high quality of reproduction of original sound without distortion or noise. New hi-fi apparatus can also incorporate signal resources such as digital audio broadcasting (DAB) or HD Radio tuners, digital audio tape (DAT).A

Types of Hi-Fi Systems

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Eliminating that Terrible Hum From Your Home Theater Speakers

!±8± Eliminating that Terrible Hum From Your Home Theater Speakers

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 TV cable, 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 different, 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.

Eliminating that Terrible Hum From Your Home Theater Speakers

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The Many Features of the HTCT 500

!±8± The Many Features of the HTCT 500

Most people consider a great entertainment center set up to consist of 5 (or even 7) massive and well placed speakers. They expect them to be expensive and to deliver theater quality sound. The HTCT 500 is designed to be such a device, and several reviews have confirmed that. The only baffling aspect is the use of 3 speakers instead of 5 or more.

It works much like the wave radio you may have heard about. This sound bar generates a wave of sound that continues to reverberate off of your particular home theater setup. The quality, therefore, isn't so much based on the quality of the speaker as it is based on the acoustics of the room. The typical room (both in size and material component) tends to accommodate for excellent sound quality with this Sony sound bar.

This particular model is unique in that it is actually a bar rather than a tall-standing, more equally proportioned rectangle. It comes as a 3.1 setup, meaning it comes with 2 other speakers plus a subwoofer for enhanced bass. The placement of the bar itself is the true heart of the sound quality, but the other two speakers are what provide the actual affect of surround sound. That means that they offer the affect of sound in a specific location (so if an explosion is supposed to happen to the left of the viewers, then the speakers can offer that.)

The only side affect of having something this impressive is aesthetics. Most people like to show off that they have an impressive sound system by the size of the speakers they have. While this sound bar is more compact, which allows for better variety of placement, it doesn't appear to be that great in quality.

A typical 6 or 7 speaker set up tends to be quite pricey, but you're paying for several different speakers. With the sound bar, you're paying for fewer parts, but the price is the same as several parts. Add that to the fact that you lack the physical appearance of great sound and it may seem a little steep. This bar runs about 0.

Giving up the aspect of awe-inspiring size has it's other benefits too, however. Fewer speakers does mean more room, but it also means less cords. You won't have to worry about the big tangled mess of cords that tends to swarm any home theater set up. It also means having fewer cords that run all around the room because of speaker placement.

Something that expensive may seem a little much for what you're getting. However, it is a Sony product, which is a company that has certainly proved it self in sound quality. It may not be the best in the business, but it certainly has a reputation.

So having the htct 500 means a more compact way of doing what, basically, has already been done before. You lose some of the physical aspects of great surround sound, and if you already have the quality, it's not much of and advance. It is, however, an incredible piece of technology and innovative to say the least. If nothing else, it at least holds that to its name.

The Many Features of the HTCT 500

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Understanding Sony Htct500

!±8± Understanding Sony Htct500

This Sony htct500 review will help you understand exactly what the Sony HT-CT500 home theater system can deliver and what it cannot. A sound bar will improve the sound of your television without taking up a lot of space and having a mess of wires. If you have a small apartment or need better sound in your bedroom or den, adding a sound bar is a great alternative to an large conventional surround sound system.

Flat panel TVs can really benefit by using a sound bar. The tiny speakers built into these types of television sets are of mediocre quality. It simply sounds so much better going through a system like the HT-CT500. The smooth designs of new models of LCD and plasma screens complements the hip look of the Sony. While the full surround sound system delivers fantastic sonic realism, these small units come darn close. For a bedroom, a den or any small room, the Sony sound bar is far more convenient. You really are not sacrificing that much audio quality.

Some sound bars have very good stereo sound, giving you a huge improvement over your TV's built-in stereo speakers. You will not need an amplifier because these models have an amplifier included. This is a convenient, streamline setup.

Some sound bars use a technology called virtual surround sound. Conventional surround sound systems use four speakers and a powered sub woofer, which are all carefully positioned in the listening area. This setup is not practical for many people. As an alternative, sound bars offer virtual surround sound. Virtual surround sound does not have the level of precision that the conventional multiple speaker setup has, but it is very close to that level of perfection.

There are sound bars that can be combined with a full surround sound system. These models allow you to combine slick sound bar looks with the better detail and accuracy of a conventional system. They are often referred to as "LCRs" since they have left, center, and right channel audio controls. These systems still require between two and four surround sound speakers and a powered sub woofer. A separate home theater receiver will also be necessary.

Most models do not require a separate home theater receiver because they have built-in amplification. All you have to do is connect audio components, and you are ready to go. Other virtual surround and LCR sound bars do not have built-in amplification. Most virtual surround and LCR components must use a separate home theater receiver. These passive components are a particularly good option if you already have a home theater receiver. A separate receiver will provide cleaner power and more sophisticated audio processing, providing you with a higher sound quality.

Sound bars work great in small-to-medium sized rooms. The shape of your room is a factor to be considered. For square shape rooms, you should use a technique called "beaming", where the sound is bounced off of the walls. For an open floor space, learn to make small adjustments in timing and volume to create the effect of sound coming from different directions.

Hopefully, this Sony htct500 review will help you select the best sound system for your situation. The Sony HT-CT500 system has a very good reputation among it users. It is can be purchased for a very reasonable price. It will enhance the audio of your movies, music and games.

Understanding Sony Htct500

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