Mp-3 Players: types, functions, features, sound

Digital portable player - a device for storing and playing audio files (mostly in mp3 format). The player can be used as a flash drive, but in the low-end models having its own memory is not provided - you want to insert the microSD card.

Functions mp-3 players

Mp-3 Player c Bluetooth

Bluetooth interface - designed for listening to music tracks in the headphones without wires. Depending on the model, the possibility of remote file transfers, pairing with a laptop or smartphone. The player can easily recognize the many models of phones.

If a person is constantly in motion, the wires interfere, Bluetooth interface will solve this problem.

Mp-3 Player with FM-transmitter

The built-in player FM- transmitter will be an excellent opportunity to listen to your favorite music from external devices. For example, in the car radio tuned to player and listen to the signal from the car speaker tracks.

The principle of operation is based on a built-in module for FM broadcast, but for a short distance. Turn on the music in the player, activate the FM-transmitter, configure the radio to any of the corresponding waves of radio and then pour it loses in music player.

FM-transmitter consumes a lot of energy, so you should pay attention to the way of charging the digital player.

Mp-3 Player with FM-tuner and radio recording

This is an ordinary radio, built-in digital player. power consumption when listening to a minimum, it is possible to listen to the radio without having to worry about recharging device. The antenna serves as the headphone wire.

However, the signal quality is not the best. It depends on many factors. For example, where the player. If the subway, the signal is lost altogether.

FM-tuner will become mandatory for those who prefer to listen to and favorite tracks and radio for the latest information, news. Favorite tune can be recorded.

Number of fixed radio settings

Installing and configuring favorite radio waves can not do without their inclusion in the device memory. Like the radio player is saved and the next time the owner will not have to look for it again.

Such a function is called 'Preset radio. " The player can store up to 60 radio stations, and sometimes more.

It features typical for almost all models and is becoming a real assistant, allowing you to quickly switch from one wavelength to another without further manipulation.

Mp-3 player with a TV-tuner and DivX version

TV-tuner will be a real fun in a long and tedious road. The portable device is able to capture television signals, that is, the player can watch TV.

The signal captured by the antenna, but it will not be as wires from the headphones. To transfer is a separate antenna, built-in player.

It is important to pay attention primarily on battery power or battery. The tuner consumes enormous amounts of energy. The display will also play a role, it should be fairly easy to view TV and movies.

DivX version

This application will be an integral part of the player to the TV-tuner. Its presence will maintain the view set of video types. You should choose the latest versions, since they will be able to encode virtually any files and give the version for viewing.

Before you buy a model with a TV-tuner, you should consider whether you need it really. If the player is used only for listening to music, this additional parameter is not needed.

Mp-3 Player with Wi-Fi

wireless Wi-Fi connection via the player is connected to a computer, and other devices. You can also connect to the Internet, where there is Wi-Fi access point.

This option is convenient because the owner of the player will be able to remain online without having your phone at hand. Therefore, from this parameter should not refuse.

Mp-3 player with a web browser

This option will be useful for those who like to listen to music and browse the Internet at the same time.

This gadget can be called not the player, and a mini-computer listening to music by default. Model complex and usually includes a plurality of additional parameters.

Digital devices with Wi-Fi and Internet browser - this is not a luxury but rather a necessity. But if the owner did not bind to the World Wide Web, then give her the preference is not worth the selection.

Additional functions

Mp-3 player with organizer

The parameter is optional, if available phone. However, many users prefer to fix things and make notes in the player. For this and organizer provided.

Enter the data is not very convenient, as the display of small players, the way of typing uncomfortable.

Mp-3 player with voice recorder

The function is a must for students and schoolchildren. Record lectures or lessons and then play helps in learning. Recorder will be useful for those who do not have to write or print due to any circumstances. Built-in module usually accompanied reproduction with variable speed.

The recording quality for digital music player is quite good, it is quite able to replace the conventional tape recorder. Many journalists will appreciate this addition to the digital player.

Mp-3 player with a notebook

Typically, this function is provided with a digital audio player based on Android.

It is not very convenient in terms of typing, and on devices with a large screen and touch control notebook will come in handy. For business travelers, such as notebooks need on any gadget.

Mp-3 player alarm clock and clock

Alarm clock in the player is necessary for those who want to wake up to your favorite music instead of the standard sounds. Option is built into the device with the clock. This additional feature is common to all modern models.

If the music is heard from time to time, the presence of the alarm clock is not required.

Mp-3 player with sleep timer

The required option for those who like to fall asleep to music. The sleep timer works on the principle of the alarm. In the settings you specified during the system off, and the player is switched off in due time, without disturbing the owner. As a result, the player is stored charge the battery, and the user does not wake up to turn it off.

The presence of built-in games

Games help fun during the long trip to transport or hold. The players often embedded games, but not too difficult, since they take up much space on the memory card.

It should be borne in mind that the game the player will "eat" a lot of energy and work time reduced.

DAC

Availability of digital-to-analog converter will be a welcome addition to the portable device. What is he doing? It converts the digital information into an analog signal. That is the sound that has passed through the DAC, will be high quality.

Characteristics Mp-3 player

The weight

Modern technologies have significantly reduced the weight of the music player. However, the differentiation in weight is still there. They depend on the type of laptop accessory.

Exists:

• Players on the base of the flash memory (30 - 60 g)
• Disc Soup (100 - 130 g)
• On the basis of the hard disk (120 g or more)
• Combination (60 - 120 g)

Depending on the filling weight ranges and a digital device. However, all players have a convenient form.

Such devices weigh a little, but the more functional of the model, the greater the weight, despite the manufacturability. In any case, the weight of the player is a minor, he easily fit in your pocket, and on the neck and arm.

Material housing and waterproofness Mp-3 player

If the player is acquired for sports, then at the material it is necessary to pay attention to. The enclosure must be durable and waterproof.

Manufacturers use different types of plastic and metal coating of the electronic device. Metal body beats the skeleton of plastic. However, such a model will be harder.

The material which is coated with the player has a value if the planned intensive operation in a variety of extreme conditions. The simplest models are made of fairly strong type of plastic. Therefore, fear for the device is not worth the fall. For sports portable purchase accessories specifically for this purpose.

Indicators of water resistance will vary depending on the model. Usually permeability indicator scale is measured according to the standard IPX and begins with IPX7.

• IPX4 - protection "spray in any direction" housing
• IPX5 - protection body "of water flow in any direction '
• IPX6 - Protection Player "strong and powerful streams of water in any direction '
• IPX7 - protection devaysa when immersed in water up to 1 m (surface immersion)
• IPX8 - body is water at a depth of 1 m, but not deeper than 4 m

Indicators to the level 4 does not have a value and represent the lowest degree of water protection. By purchasing a waterproof model, pay attention to the figures in the documentation to the player. It should be or IPX8 IPX7, but not less. Otherwise, swim with such a device can not be.

The remote control supplied with Mp-3 player

The remote control includes control of player functions on a remote distance.

This is useful especially in crowded public transport or a situation where the device to get distracted and it is not desirable. The pricing of the presence of the remote little effect.

Mp-3 player with a built-in speaker

This feature is only needed if the owner likes to listen to music, not only in the headphones, but also directly from the device. However, expect a loud and clear sound experience is not necessary. Still, the player is designed to play the tracks in the headphones. The whole model is constructed on the basis of the main functions of the device and not more.

Models based on Android have speakers with good sound. But in any case the player does not replace a full speakers.

Optionally fixing clip

The player often cling to clothes - collar, lapel, belt, sleeve. Make it possible with the help of clips, which are sometimes included in the complete set of portable devaysa, but is an optional item.

Many devices are attached with laces and other accessories, depending on model and design. The clip is also considered the most convenient attachment to clothes.

Screen

Screen types

Properties screen and the way it is made, plays an important role when buying a player, not only for music but for watching videos. Several distinct types of screens:

• monochrome LCD
• color LCD
• OLED screens

First installed on low-cost and simple devices. In order to see the information, the display is illuminated every time. The second type is characterized by a color display and does not require additional illumination, it is possible to view photos and videos. However, when "going blind" bright sunshine this screen.

This screen is also called OLED. In recent years, we developed a similar screen under the control of the thin-film resistors. It is called AMOLED. This type has an excellent color reproduction and wins in functionality for all of their fellows. Minus - the high cost.

Choosing a player, pay attention to the screen size and type - from the color quality of the viewable files will depend.

Screen size Mp-3 Player

This parameter depends on the wishes of the customer, his habit of viewing information displayed on the screen in a certain format. For devices with TV-tuner screen size should be at least 4 inches, or watching movies will be existent punishment, not pleasure.

The larger the screen size, the more comfortable is to view information. However, we must not forget that with a diagonal screen size of the device and increase its weight. Charge the player quickly dissipated, as much diagonal requires energy.

There are musical gadgets with compact "little windows", which will only affect playback track and charge the battery. When you select a screen diagonal guided by their own feelings, look with a display size of the most convenient way to browse files and control the operation of the player.

Display number of colors

This parameter is important only if the player acquisition with TV-tuner and camera. On the number of screen colors will depend on the quality and brightness of the image, photo or video. In the conventional player small number of tones, but the multifunction apparatus provided with shades in an amount of more than 16 Mill.

Acquiring digital media player, interested in this option. Though when viewing the display will already be visible quality video playback of files and pictures. Characteristics necessary for a comfortable and enjoyable viewing of any type of information.

Resolution vertically and horizontally

The screen resolution is important when using the player for video playback, photo imaging. It displays a number of pixels. The more, the better - the big screen will send more information in good quality.

Minimum vertical resolution - 16, across - 8. On performance pay attention only in the case of the acquisition of the player with TV-tuner, photo and video camera. For a simple screen resolution of the device it does not matter, as even the lowest figure gives a good picture.

Touchpad

The touch panel device assumes control by a light touch of fingers at the location of the control point. Instead of buttons that need to click or scroll with the force indicated by LEDs on the panel, which indicate the function. Touching the indicator, there is a player management.

A separate control panel on these players do not have, all the work is carried out on the screen.

Sound

Mp-3 player with a digital equalizer

Equalizer can be found in simple models. With it adjusts the timbre of sound is selected the style and genre, in which we would like to listen to the track. Often the player already have predefined settings. It only remains to choose the tone you want, such as pop or rock.

In more sophisticated devices, you can manually adjust the tone you want, and do not use the predefined settings. Depending on the model player it is equipped with a number from 3 to 30 and more ready settings. Listening to music in unusual formats will amuse and improve the perception of the songs.

Variable speed playback

Playing this kind is necessary for students to all who study languages ​​or trying to understand the words of the text speaks in rapid speech. Feature allows you to slow down or speed up playback.

For example, a text or a song in a foreign language, you can intentionally slow down - the word will become more apparent, will be easier to catch on. If a student is used to record lectures on tape and then listen to them, then this feature is required of the player. With the help of "scrolls" unnecessary and there is useful information.

If there is no need for slow-motion playback, the option is not needed.

Sound power per channel

From this function will vary, with all types of headphones if sound is quite loud and powerful. Measured sound power in mW per channel and reaches a maximum index mark 280 mW. On the parameter can be ignored, as the main characteristics of the sound and its power, he is not particularly affected.

Headphones tend to change infrequently, and additional function takes place and affects the size of the player.

Signal / noise

This parameter is necessary for those who are going to listen to the player tracks in high quality audio equipment. The fact that the device emits noise amplifier, which in the normal mode of listening with headphones is not perceived.

However, if you connect the player to a professional audio equipment, noise will be distinguishable, sound will not be clean. In this case, and pay attention to the signal / noise ratio. The higher the dB, the sound quality.

This parameter is not required if you plan to normal, standard use of the player.

Video

video playback

The feature is useful when the player is not only used as a music player, but also play movies, clips, clips. Option involves having a good definition video and large for the size of the player.

For small-screen devices such option would be useless.

Viewing graphics and text files

View image files - this is an opportunity to recognize and support the formats JPEG, GIF, TIFF less. That is, viewing photos and other images, it is possible and on a portable music player.

Displays with this color option.

The multimedia device may recognize the musical and text files. Option is useful for those who have to spend much time on the road, when to do nothing and want to read.

subtitle format

Supported by portable devices that can distinguish and recognize files with subtitles. The principle of the function is the same as that of the PC. Written to a separate file with the information and if the player supports this format, it will play the subtitles for the film.

The function is only needed for those who watch movies in a foreign language in addition to the usual music.

Shooting videos and the maximum resolution

Many current models of digital players include video capture function. That is, along with the camera and video can be used. However the quality of the captured material will depend on the number of colors supported device.

Maximum resolution video shooting will directly depend on the number of pixels that reaches indicators in 5.0 mPas. Professional portable players with video are high resolution by default.

Camera and maximum resolution

The presence of the camera in the device for listening to music is not required. But many feel the need to have it in all the gadgets, electronics, regardless of destination.

The maximum resolution of the camera. The maximum number of megapixels chamber is 5.0 min - 0.3. It should take into account the fact that the photos taken with the camera digital music player, will not be of high quality. However, the picture meets the requirements for normal viewing on the network or computer.

The principle of the camera selection is no different from its choice in the phone. The higher the resolution, the higher quality picture. Recently it began to produce digital players with superior camera quality and resolution of the smartphone camera. Each manufacturer offers a device with different indices.

Operating system and firmware

Android

With the advent of Android OS management and content of electronic devices has become a real pleasure. Not passed it, and digital portable players. Players based on Android has a number of additional features and functions.

Global manufacturers are using this operating system for music players which turns the portable player into a multifunctional gadget with a number of advantages:

• easy control
• excellent color rendering
• The player works with all types of files
• It supports a variety of applications

Players typically belong to the class of professional devices, but sometimes in a more simple models operate using the Android OS.

Insertion possibility

At this point, few people pay attention, because the consumer does not think about the operating system and the possibility of its change.

In some models, this program can be changed, thereby increasing the functionality of the player. If you want to buy a multimedia player with TV-tuner, FM-tuner, and more, the ability to change the firmware needed.

Since updated codecs, language support needed to set up. That is, the ability to change the program device is necessary also for those who like to "cut" a system on your own.

The parameter of interest of young people. If the player has no intention to change the program, this feature useless.

Input / Output from Mp-3 Player

Input audio / video recording capabilities

Write to track player with external media, music center, VCR or CD-player is possible through the audio input recording function. You need to have a special cable, which is usually included in the box.

The owner will be able to burn liked the music or movie. If the function is required, it is necessary to pay attention to the size of the player's memory.

Mp-3 player with video output

Feature allows you to watch video files on your big screen TV, but without the ability to record. Standard connector is embedded by default in digital devices with TV-tuner.

This analog composite output, which performs data transfer by means of a coaxial cable.

Mp-3 player yield HDMI

Additional output required for watching movies or programs from your player to your big screen TV. To do this, he must have the support of television HDTV. Since the translated data from the digital audio player will appear on the screen in high quality HD.

HDMI is built not on all models. Therefore it is necessary to ask for additional output, whether the player is provided with the appropriate cable. Sometimes it is not supplied device.

HDMI is provided for devices with built-in TV-tuner with the ability to watch TV, movies and their subsequent recording.

Mp-3 player with an audio line output

Function is required to connect the player to the speakers the music center or other third-party audio hardware.

Mp-3 player with two headphone jacks

For those who listen to music or watch movies in the pair. Two connectors connect two pairs of headphones, which is convenient for traveling long distances alone. This additional feature appreciated by tourists, couples in love and those who can not imagine life without music.

media type

Option implies the type of media on which information is recorded - music, movies and other playable items. This is something on which the whole operation of the device is held. There are three types of players with different types of media:

• Digital - based on flash memory
• disc players
• With hard drive

The first type - the most popular and widely used. Information is written to the flash memory, which can overwrite and correct. Portable Flash player is compact, light weight, design variety and more options.

Flash media becomes an obvious choice of the consumer.

Disk or CD MP3 players are still relevant for the music lovers. In such devices, the sound of higher quality charge lasts long. However, CD MP3 is large in size and weight, they are not very easy to carry in your pocket.

The player with hard disk is different large storage capacity - up to 500 GB. It is considered not only a medium for music, but also is used for file transfer and playback.

On what media to stop the choice depends on the purpose and personal preference. Athletes, for example, should I buy a flash player. Otherwise endless failures in the disk player spoil the nerves of even the most persistent of the athlete.

Those who prefer the sound quality and quiet listening to the house, preferred a conventional CD MP3. And fans gather huge collection probably fit a hard drive with an impressive memory.

Built-in memory

Built-in memory - this parameter affects the number of tracks and other information that can be stored in the player. The higher the score, the more information together in a carrier.

Multimedia portable players may have a storage capacity of 64 Gb - maximum index for portable flash accessories.

The amount of memory card included

Often, your player includes a separate memory card. The reason is simple - the built-in memory does not have sufficient size, and the consumer may have recourse to additional carriers.

The minimum size of the memory card 1 GB, the maximum size reaches 32 GB or more for complex electronic player, with many additional features, and watching videos.

slot type of memory card at Mp-3 Player

Option implies the type of memory card, which operates the player. In these types of slots are suitable:

• Compact Flash
• Micro SD
• SD
• MMC
• Memory Stick
• Smart media

Memory cards are different capacity, size, data security, price category and write speeds.

Depending on the player selects the type of card. On option is desirable to pay attention, otherwise it may happen that a purchased card is not compatible with the model.

The number of slots for memory cards

Additional slots are incorporated in the model, equipped with a variety of multimedia functions, and involves working with a large amount of information at the expense of the memory card.

This feature becomes essential parameter in the professional player acquisition.

Food and work time

Type batteries Mp-3 Player

Players often performed with an element of power in the form of batteries AA or AAA. They can easily be replaced. Some models are equipped with rechargeable batteries, which are divided into:

• Nickel metal-hydride
• Lithium-ion
• Lithium Polymer
• Batteries Stick

It can be recharged at any time, unlike the nickel metal-hydride which is placed on the charging after a complete discharge. Stick batteries are designed for disc players.

The maximum operating time

device operating time depends on the capacity of the batteries or the battery and the degree of exploitation.

If you plan to permanent use, not only as a player but also for watching movies, then charge battery runs out quickly - time work is significantly reduced, compared with the usual listening tracks. If the owner is listening to the radio, and sometimes plays recorded songs - the work will increase.

Business hours of video playback

This characteristic of the device indicates the maximum possible play time of video playback. It is necessary if you plan to purchase a multi-player with TV-tuner.

On the index will depend on the duration of digital enhancement. View video consumes large amounts of energy, so keep that in mind when shopping.

Number of batteries. Portable digital players typically operate from batteries, the number of which is determined by the model and varies from one to four. The more complex the player, the more nutrients provided. Simple digital players are equipped with a battery.

AC adapter

Network adapter on some models included and will be connected to the mains. It may be necessary, if the user is listening to music at home and have the opportunity to recharge the player's battery via an adapter.

Rechargeable USB / direct connection to USB

Most models can be charged via USB-connector, so there's no need to constantly worry about the charger. To a computer player is connected via a cable, which is included in the kit.

USB-connector is characterized by small size models with minimal features. Players based on Android are usually charged with the charger.

USB type

The players, even the most simple, integrated high-speed USB 2.0 interface type. However, before You could choose between USB 1.1 and 2.0. First it reaches the speed of 12 Mbit / s, the second 480 Mbit / s. Find a modern model of the type of USB 1.1 is almost impossible.

Under the direct connection to the USB port of the PC input socket meant. The carrier is similar to an ordinary flash drive and connected directly to the computer.

Connector hides in the device body or covered with special cap that can store player from dust, dirt and damage. The presence of cable in this case is not necessary and is not provided.

Interface USB-Host

USB-Host is provided in order to transmit, transmit or receive information, tracks from external devices - cameras and other devices, other than the computer.

That is, you can download photos from the camera to the player without using a computer.

Feature will be a godsend for those who appreciate the versatility of the device and constantly uses it for its own purposes.

conclusion
If you are going to purchase a portable digital music player, think about everything you want to get away from it. The model can be designed purely for listening to music or for wider application - video player, games and camera. Depending on personal preference and selected digital accessory.

First, determine the type of the player - a flash or disk, then a type of food and method of its replacement - batteries or battery, pick up the player memory size depending on the number of music. Choose a design and size of the device. Further, it is already possible to "play" with additional features.

Remember that today we can find a model that would be completely arranged user to the last detail.