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Portable audio and video products are a perfect solution for those who need to use portable, lightweight audio and video equipment. Portable audio and video products include speakers, recorders, satellite television receivers, portable DVD players, and camcorders. These devices can be carried around in pockets, backpacks or briefcases. They come in many different varieties. Some of the most common types include stereo speakers with wireless kits, recorders with CD/DVD players, and Bluetooth wireless speakers.<img width="392" src="">Speakers with wireless kits allow the user to freely move his hands from one area to another without having to change the channel. They offer outstanding sound quality due to the high quality transducers used in their manufacturing. Stereo audio products usually consist of five to eight speakers located in a head mounted unit. They are known to have clear sound and good bass response.Recording devices come in two categories. The first type is the digital audio recorder, which records sound as the user activates each feature. The second type is the hard drive or the memory stick type, which stores the recorded data on a magnetic disk or a compact disk and then burns it to a DVD. Both these recording devices can be used for normal home usage, home theater recording, or corporate audio and video surveillance.Microphones are also used for recording purposes. There are two types of microphones - the direct microphone and the reflected microphone. The direct microphone is used to pick up sound from a distant area and then converts the sound into digital audio. The reflected microphone is similar to the previous type, except that it also reflects the sound from a distant area, thus converting the sound into digital. The microphone used for this purpose is called a cardioid microphone.Digital audio systems are available for those who need a better quality audio than the normal analog signal. Systems work with CD players and speakers. Speakers used for digital audio can reproduce sound much better than ordinary speakers. They also have a tendency to produce louder sounds than ordinary speakers do.Portable video products include camcorders, digital cameras, and spy equipment. Camcorders are used to record video footage without a computer. These products come in a variety of styles and models. Some of these camcorders come with video recorders and can be connected directly to a personal computer or a television. Spy products record video and then can be secretly transported or concealed in a variety of objects. Portable video products also include night vision and thermal imaging cameras.There are some audio and video products that can be used in combination with each other. A camcorder can be used to record audio and video and play it back at a later time. This is called camcorders + audio. Other types of portable product that work with audio and video include web cameras and smoke detectors. Web cameras are used by people to monitor things like their web camera when they are online. Smoke detectors will detect fires in various situations and alert people to danger.Most of the audio and video products can be purchased on line at very reasonable prices. You can purchase a basic unit or one that has more features. The prices range from one hundred dollars to four hundred dollars. The features vary from product to product. Some of the features include night vision, thermal imaging, and pan/tilt/zoom. Some of these products are intended for underwater use.Camcorders have come a long way over the years. It used to be that camcorders were large bulky devices. http://www.im-creator.com/free/thomasdavidson/thomasdavidson They used to have a lot of accessories and functions. Today the camcorders are smaller and lighter.The cameras now run on batteries or can be plugged into the wall. The audio can be output through headphones or speakers. Many of the older camcorders required the user to use tape. It took a special player to record audio and there were specialized programs to read the tapes. Today you can use almost any computer with audio and video capabilities. There are also computer programs that can transfer the data from an existing digital camcorder onto a regular DVD-R or VCR.There are many portable sound & video products on the market today. Some of them use rechargeable batteries while others use standard battery type. One advantage to using rechargeable batteries is they are easily disposable. Also, they are environmentally friendly.