FACTOID # 3: South Carolina has the highest rate of violent crimes and aggravated assaults per capita among US states.
 
 Home   Encyclopedia   Statistics   States A-Z   Flags   Maps   FAQ   About 
   
 
WHAT'S NEW
 

SEARCH ALL

FACTS & STATISTICS    Advanced view

Search encyclopedia, statistics and forums:

 

 

(* = Graphable)

 

 


Encyclopedia > Portable media player
An idle PMP compared with a coin

A portable multimedia player (PMP) - sometimes referred to as a portable video player (PVP) - is an electronic device that is capable of storing and playing digital media. Digital audio players (DAP) that display images and play videos are considered as PMPs. Like DAPs, the data is typically stored on a hard drive, microdrive, or flash memory. Other types of electronic devices like cellphones are sometimes referred as PMPs due to their playback capabilities.[1] Image File history File links White_Phantom. ... Image File history File links White_Phantom. ... Image File history File links Broom_icon. ... Electronics is the study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. ... Audio & Visual Media Digital media (as opposed to analog media) usually refers to electronic media that work on digital codes. ... Apple iPod, the best-selling hard drive-based player An embedded hard drive-based player (Creative ZEN Vision:M) An MP3 CD player (Philips Expanium) More commonly referred to as an MP3 player, a digital audio player or DAP is a portable, handheld digital music player that stores, organizes and... Typical hard drives of the mid-1990s. ... IBM 1 GB Microdrive The Microdrive is a brand name for a miniature, 1-inch hard disk designed to fit in a Compact Flash (CF) Type II slot. ... A USB flash drive. ... Cellular redirects here. ...

Contents

Typical features

PMPs are capable of playing digital audio, images, and video. They are usually built with a color LCD or OLED screen. Various players include the ability to record video - with the aid of optional accessories or cables - and audio, with a built-in microphone, or from a line-out cable or FM tuner. Some players include readers for memory cards, which were advertised to equip players with extra storage or directly transferring media, emulate an personal organizer, or support games like the iriver clix (through compatibility of Adobe Flash Lite) or the PlayStation Portable. Digital audio comprises audio signals stored in a digital format. ... A digital image is a representation of a two-dimensional image as a finite set of digital values, called picture elements or pixels. ... Digital video is a type of video recording system that works by using a digital, rather than analog, of the video signal. ... LCD redirects here. ... A 3. ... Microphones redirects here. ... A rugby lineout. ... FM broadcasting is a broadcast technology invented by Edwin Howard Armstrong that uses frequency modulation (FM) to provide high-fidelity sound over broadcast radio. ... Four major types of memory cards (from left to right: CompactFlash, Memory Stick, Secure Digital, and xD. A memory card or flash memory card is a solid-state electronic flash memory data storage device used with digital cameras, handheld and Mobile computers, telephones, music players, video game consoles, and other... An appointment diary A personal organizer, day planner, or personal planner is a small book/binder usually containing a calendar, address book, and notebook paper. ... iriver clix (1st generation) Image:Clix2. ... Adobe Flash Lite is a lightweight version of Adobe Flash Player optimized for mobile phones and other devices. ... The PlayStation Portable , officially abbreviated as PSP) is a handheld game console released and currently manufactured by Sony Computer Entertainment. ...

  • Audio Playback

As with any other DAP all portable media players have the ability to playback audio. Often players can also play formats other than MP3 and have the ability to play files in higher bit rates. Look up Dap, DAP in Wiktionary, the free dictionary. ...

  • Photo Viewer

The color screens an all portable media players allows users to view photos, though most users will prefer a large screen PVP as resolution is important to view the detail on a still image. Advanced players also often include expansion slots such as SD and CompactFlash (both common with cameras) so that users can transfers photos from a camera with a computer.

  • Video Playback

As a portable media player there is some form of video playback. More advanced players such as PVPs have higher quality LCD screens and format support. A number of players also have the ability to output the video to an external display such as a Television.


Computer compatibility

PMPs are usually packaged with an installation CD/DVD that inserts device drivers (and for some players, software that is capable of seamlessly transferring files between the player and the computer). For recent players, however, these are usually available online via the manufacturers' websites, or natively recognized by the operating system through Universal Mass Storage (UMS) or Media Transfer Protocol (MTP). The USB mass storage device class is a set of computing communications protocols defined by the USB Implementers Forum that run on the Universal Serial Bus. ... The Media Transfer Protocol is a set of custom extensions to the Picture Transfer Protocol (PTP) devised by Microsoft, to allow the protocol to be used for devices other than digital cameras, for example digital audio players such as MP3 players, and other portable media devices, for example portable video...


History

In 2002, Archos released the first official PMP, the Archos Jukebox Multimedia.[2] Manufacturers have since implemented abilities to view images and play videos into their devices. Image File history File links This is a lossless scalable vector image. ... Apple iPod, the best-selling hard drive-based player An embedded hard drive-based player (Creative ZEN Vision:M) An MP3 CD player (Philips Expanium) More commonly referred to as an MP3 player, a digital audio player or DAP is a portable, handheld digital music player that stores, organizes and... It has been suggested that this article be split into multiple articles. ... A series of Archos portable audio players from 2000 through 2002. ...


Hardware

In general, it is simple to operate the players; a small number of buttons can perform multiple actions, like play, stop, enter and etc. Some players have additional buttons, while others provide the simpler 'star' configuration adjacent to the screen, with a single selection button or joystick in the center of the star. For other uses, see Joystick (disambiguation). ...


Players are currently advertised with capacities of up to 16GB flash memory based and up to 250GB hard drive based.


Some of the more recent Chinese MP4 players support third-party expansion flash memory cards, for example, SD/MiniSD/MicroSD, to extend the capacity of the MP4 players.


These players mostly have USB 1.1 or USB 2.0 support, but FireWire support is rare. Older models only support USB 1.1, while most newer models are able to utilize the capabilities of an USB 2.0 port. Of the players that have USB support, a proprietary cable is usually used for the connection. Note: USB may also mean upper sideband in radio. ... Note: USB may also mean upper sideband in radio. ... The 6-pin and 4-pin FireWire Connectors The alternative ethernet-style cabling used by 1394c FireWire is Apple Inc. ...


Supported file formats

  • Audio

Nearly all players are compatible with the MP3 audio format, and many others support the Windows Media Audio (WMA) format, Advanced Audio Coding (AAC) and WAV. Some players are compatible with open-source formats like Ogg Vorbis and FLAC and others support audio with DRM protection. For other uses, see MP3 (disambiguation). ... Windows Media Audio (WMA) is an audio data compression technology developed by Microsoft. ... Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. ... WAV (or WAVE), short for Waveform audio format, is a Microsoft and IBM audio file format standard for storing audio on PCs. ... Vorbis is an open source, lossy audio codec project headed by the Xiph. ... FLAC, an acronym for Free Lossless Audio Codec, is a popular file format for audio data compression. ... Digital rights management (DRM) is an umbrella term that refers to access control technologies used by publishers and copyright holders to limit usage of digital media or devices. ...

  • Pictures

Image files are usually viewed on the JPEG format and some players, like the iPod series provide compatibility to additional file formats like GIF, PNG, and TIFF. JPG redirects here. ... iPod is a brand of portable media players designed and marketed by Apple and launched in October 2001. ... An example of a GIF image. ... PNG (Portable Network Graphics), sometimes pronounced as ping, is a relatively new bitmap image format that is becoming popular on the World Wide Web and elsewhere. ... This article is about TIFF, the computer image format. ...

  • Video

The iPod and the PlayStation Portable are popular examples of players that support the MPEG-4 video format, and many other players are compatible with the Windows Media Video (WMV) format and the now-defunct AVI. Recently, more and more players are enabling compatibility to the DivX video format and its open-source parallel, Xvid. The PlayStation Portable , officially abbreviated as PSP) is a handheld game console released and currently manufactured by Sony Computer Entertainment. ... MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ... Windows Media Video (WMV) is a generic name for the set of video codec technologies developed by Microsoft. ... // Audio-Video Interleaved, known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology. ... This article is about the video codec. ... Xvid (formerly XviD) is a video codec library following the MPEG-4 standard. ...


Chinese "MP4" players

Main article: Chinese MP4 player

The AMV video format[3] has a inadequate image compression algorithm by modern standards. With a resolution of 128 × 96 pixels and a framerate of 12 fps, a 30-minute video will be compressed into 80 MB. This format, as well as the ATV, MTV, and SMV (stands for SigmaTel Video) formats, were meant to provide video playback for "MP4" players without increasing the cost. MP4 Player 1GB i-Nickel Digital MP3 Player Chinese MP4/MTV Player is used to describe a group of digital audio players or portable Media Players, most commonly manufactured in China. ... This article or section does not cite its references or sources. ... Frame rate, or frame frequency, is the measurement of how quickly an imaging device can produce several consecutive images, called frames. ...


References

  1. ^ Yu, Emily - EE Times Asia. PMP needs to merge with cellphone, says Smartwork exec.
  2. ^ Archos (2007-09-12). ARCHOS Generation 5 Available Worldwide. Press release. Retrieved on 2007-12-05.
  3. ^ Template:Url=http://www.freepatentsonline.com/5247357.html

Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 255th day of the year (256th in leap years) in the Gregorian calendar. ... For information on Wikipedia press releases, see Wikipedia:Press releases. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 339th day of the year (340th in leap years) in the Gregorian calendar. ...

See also


  Results from FactBites:
 
Portable media player - Wikipedia, the free encyclopedia (454 words)
A portable multimedia player, or PMP is a hard disk or flash memory based electronic device, such as an "MP3 player", which is capable of storing and playing files in one or more media formats.
The main attractant of portable media players is often their versatility: being able to load and play different formats of video (including MPEG, DivX, and XviD), audio (including MP3, WAV, and Ogg Vorbis), or digital images, (including BMP, JPEG, and GIF).
A portable video player is a type of portable media player which focuses on the playback of digital video.
  More results at FactBites »

 
 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments

Want to know more?
Search encyclopedia, statistics and forums:

 


Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms, 1022, m