PROJECT ON

IPOD MP3 PLAYERBASED ON MICROCONTROLLER

TEAM MEMBERS-Abhi

Our Objective

• Design fully functional MP3 player utilizing microcontroller, DSP processor, LCD, and hardware MP3 decoder

History of the IPOD• Timeline - History of MP3

• 1987 - EUREKA project

• January 1988 - Moving Picture Experts Group or MPEG was established

• April 1989 - Fraunhoffer received a German patent for MP3.

• 1992 - MPEG-1.

• 1993 - MPEG-1 standard published.

• 1994 - MPEG-2 developed and published a year later.

• November 26, 1996 - United States patent issued for MP3.

• September 1998 - enforce their patent rights.

• February 1999 - A record company called SubPop is the first to distribute music tracks in the

MP3 format.

• 1999 - Portable MP3 players appear.

What is an IPOD??

• The iPod is a line of portable media players and multi-purpose pocket computers designed and marketed by Apple Inc.

• Creator was Tony Fadell. He approached different companies until Apple accepted his idea and hired him.

IPOD FEATURES

Some of iPod's more notable features include:

• Audio• Video• Photos• External hard drive• Calender/contacts syncing• Games• Car integration

From Apple, accessories include:

• Microphone• External digital voice recorders • Universal dock for charging, syncing or

connecting to external A/V equipment • Remote control compatible with

universal dock • Camera connector• Armbands, cases and skins• Car audio adapters, in-car iPod holders • Portable, desktop and wireless speakers • iPod Hi-Fi speaker system • Car chargers and power adapters • Radio transmitters

Components Required

Hardware Requirement: Atmega 162 Dsp processor Lcd display

ATMEGA 162 MICROCONTROLLER

AtMega-162• The high-performance, low-power Atmel 8-bit AVR RISC-

based microcontroller combines 16KB of programmable flash memory, 1KB SRAM, 512B EEPROM, and a JTAG interface for on-chip debugging. The device supports throughput of 16 MIPS at 16MHz and operates between 2.7-5.5 volts.

• By executing instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

The data sheet of AtMega-162 Microcontroller is being attached below:

ATM

EGA

162

PIN

DIA

GRAM

DSP PROCESSOR

DSP PROCESSOR

A digital signal processor (DSP) is a specialized microprocessor with its architecture optimized for the operational needs of digital signal processingThe goal of DSPs is usually to measure, filter and/or compress continuous real-world analog signals.A DSP Processor can process data in real time, making it ideal for applications that cannot tolerate delays.A DSP Processor takes a digital signal and processes it to improve the signal into clearer sound, sharper image or faster data.We have used an EnTuino DSP Processor for the simple purpose of performing simultaneous and continuous conversion of mp3 formatted audio files to give us a much clearer output.

LCD

LCDA liquid-crystal display (LCD) is a flat panel display or video display that uses the

light modulating properties of liquid crystals. Liquid crystals do not emit light directly.

LCDs are available to display arbitrary images (as in a general-purpose computer display) or fixed images which can be displayed or hidden, such as preset words,

digits, and 7-segment displays as in a digital clock.

In our project, we have used a GLCD5110 LCD display. It has the following features:- 84 X 48 pixels resolution- Built-in PCD8544 controller with SPI interface bus.- Built-in the backlight blue LED controlled by software- Supply voltage range is +3 to +3.3V. Maximum current is 10mA (with backlight LED)- Display the standard size 5x7 pixel character up to 14 characters 6 lines and mono-tone graphic image.- Size is 4.5 x 4.5 cm.- Easy to connection- Interface with any popular microcontroller.

Additional Requirements

Storage memory to store the songs. Usb cable to move data from

system and power it up. Battery to give power. Ear phone or headphones.

Start Up

Building Blocks of Mp3 code media player

class CodeWriting class for reading

mp3,Play,Stop,Pause

MP3Player

List of references we have used:• http://electronics.howstuffworks.com/ipod.htm• http://inventors.about.com/od/mstartinventions/a/MPThree.htm• http://www.addysg.org.uk/ipodined/news.php• http://www.learninginhand.com/ipod/quizzes.html• http://www.apple.com/itunes/whatson/podcasts/tips.html• http://www.quizzlerpro.com/downloads/QuizzlerManual.pdf• http://www.talkingpanda.com/iwriter/• http://www.ehow.com/how_2049669_add-music-ipod-itunes.html• http://www.apple.com/hotnews/thoughtsonmusic/• http://www.podkids.com.au/• http://www.apple.com/au/education/• http://www.education-world.com/a_tech/sites/sites070.shtml

THANK YOU!