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Realtones (English tone – sound, voice; real – real, true;) pretty fresh type of mobile content. Tones come in a mobile phone just when it appeared in a sufficiently large amount of memory, fast processor which is able to play music in MP3 or amr. Realtone represents a small part of a musical composition or song, usually the most memorable passage or verse. As has been said realtones created in two formats – amr and MP3. MP3 format is a popular file format, it supports most modern mobile phones. amr format specially devised for mobile phones. These files are slightly smaller file size with the same as that format is MP3, but not supported by all mobile phones. Real Tones Polyphonic ringtones are much better and the more monophonic ringtones from their quality and realism.

This tune sounds as well as from speakers for your cd player. If you enjoy listening to music on the mobile phone, make sure you purchase the phone with good sound characteristics and the large size of memory, as realtones take much longer memory than polyphony. When buying a mobile phone to pay attention to what types of tones it supports. Be sure to make sure that it supports the MP3 format, since the music of this type are most easily found and plus that you will be able to download music on the phone from his home computer. Compatibility with the format of amr is needed, but not required.

Realtone get your phone you can use different methods. At the current time availability Internet every realtone can be found for a few minutes. amr realtones for siemens download fee is the easiest way and it can be done on any of the many sites on the Internet. Another method – is available in the shop Special drive downloads for your phone and download the desired song from a personal computer for data cable. The disadvantage of this method is that you will have to pay for a cd drive for a couple of melodies that you require, as well as on these discs is usually kept rather than new realtones. New songs you will find there will be difficult. The following method is more complicated and depends on your luck, but no financial implications. Need to ask their friends and acquaintances whether they have the melody in your phone. If you're lucky, you can download it to my cell phone via bluetooth or IrDA port. And the last way is more complicated. You need to find a full song in MP3 format, stored on a special computer program for processing sound files, cut the desired piece and download to the phone from her on the date of the cable. Realtones presently exist for almost every song of various genres such as alternative music, realtones from movies, Christmas realtones, realtones hits. Global Network with its unlimited resources and systems to find information to help you find almost any realtone.

All this means that a modern sound engineer has to choose, with some time the solution is reduced – before this was impossible. For high fidelity stereo reproduction, you can choose the frequency of 192/24, and for surround 5.1 – 96/24. There are other possibilities – for example, make the front channels 92/24 and 48/16 rear. Or do all Channels 48/20. The emergence of new media, dvd, sound engineers are no longer sentenced to outdated standards of quality cd – 44,1 at 16 bits. Encoding Dolby Digital (AS63) and dts. And the Dolby Digital , and dts (Digital Theater System) is called a lossy compression data. They dropped less important information.

So do in order to be able to send a lot of information through a narrow channel. Encoding of Dolby Digital (sometimes referred to as asp, it is constantly used in Dolby Digital ) takes six channels of 48/24 and compresses them into a ratio of about 11:1. Maximum data transfer rate – 640 kilobits per second, the normal speed – 384. dts encoding compresses the data stream about 1:3, to an average rate 1.4 Megabit per second. Since the compression ratio is less, many sound dts seems to be more qualitative.

Lossy compression and without. Lossy compression (Dolby DigitI , DTS) based on the use of algorithms of perception. Removed from the signal information overlap or masked louder. Since the information is destroyed and restore it later is impossible, such a method is called lossy.