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Quite a few people have released the schematics and source code for their music player. | Quite a few people have released the schematics and source code for their music player. | ||
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Such open-source music players include: | Such open-source music players include: | ||
− | == | + | == at Open Circuits == |
* [[TRAXMOD]] Digital Audio Player | * [[TRAXMOD]] Digital Audio Player | ||
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− | == | + | == elsewhere == |
''Some of these web sites are very difficult to post comments to. I suppose posting comments about these music players here -- at Open Circuits -- is the next best thing.'' | ''Some of these web sites are very difficult to post comments to. I suppose posting comments about these music players here -- at Open Circuits -- is the next best thing.'' | ||
− | + | == MP3 players by Raphael Abrams == | |
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− | == MP3 players by Raphael Abrams | ||
[http://walrus.com/~raphael/html/eejump.html MP3 players by Raphael Abrams] has designed and released the designs and has kits for 3 MP3 players ( http://www.teuthis.com/html/kits.html ): | [http://walrus.com/~raphael/html/eejump.html MP3 players by Raphael Abrams] has designed and released the designs and has kits for 3 MP3 players ( http://www.teuthis.com/html/kits.html ): | ||
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* MAKE: Daisy MMC/SD Mp3 Player | * MAKE: Daisy MMC/SD Mp3 Player | ||
* The [http://www.makezine.com/blog/archive/2006/08/open_source_mp3_player_kit_sak.html “Sakura”] MMC Mp3 Player | * The [http://www.makezine.com/blog/archive/2006/08/open_source_mp3_player_kit_sak.html “Sakura”] MMC Mp3 Player | ||
− | * The Super Simple (Compact Flash Card) Mp3 Player -- discontinued, or is it still available from http:// | + | * The Super Simple (Compact Flash Card) Mp3 Player -- discontinued, or is it still available from http://walrus.com/~raphael/html/kits.html ? |
The kits include the PCB and all parts that solder to it, including a pre-programmed microcontroller. | The kits include the PCB and all parts that solder to it, including a pre-programmed microcontroller. | ||
The kits do not include the memory card. | The kits do not include the memory card. | ||
− | == EchoMp3 == | + | === EchoMp3 === |
* [http://www.techdesign.be/projects/020/020.htm EchoMp3] is a small DIY* MP3 player. Up to 4 GB SD card; uses 18LF452 or 18LF458; Full user control (volume, track, pause, skip, directory) with a 5-way micro joystick; VS1002D MP3 decoder chip. | * [http://www.techdesign.be/projects/020/020.htm EchoMp3] is a small DIY* MP3 player. Up to 4 GB SD card; uses 18LF452 or 18LF458; Full user control (volume, track, pause, skip, directory) with a 5-way micro joystick; VS1002D MP3 decoder chip. | ||
− | == Daisy MP3 player == | + | === Daisy MP3 player === |
Daisy MP3 Player Kit: Open Source MP3 Player Kit | Daisy MP3 Player Kit: Open Source MP3 Player Kit | ||
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* VS1011 from VLSI, Finland. It is an .mp3 and .wav decoder chip, a DAC, and a headphone amplifier all in one 28 pin package. | * VS1011 from VLSI, Finland. It is an .mp3 and .wav decoder chip, a DAC, and a headphone amplifier all in one 28 pin package. | ||
− | == "The Super-Simple pocket size mp3 player" == | + | === "The Super-Simple pocket size mp3 player" === |
"simplest possible MP3 setup" | "simplest possible MP3 setup" | ||
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2 versions of the source code, one in assembly, one in C. | 2 versions of the source code, one in assembly, one in C. | ||
− | = | + | === The Sakura, the World’s Simplest Open Source DIY MP3 player === |
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− | == The Sakura, the World’s Simplest Open Source DIY MP3 player | ||
The Sakura, the World’s Simplest Open Source DIY MP3 player. | The Sakura, the World’s Simplest Open Source DIY MP3 player. | ||
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Source code is in C. | Source code is in C. | ||
− | == Juicebox == | + | === Juicebox === |
"Juicebox is a design (code and hardware) for a small ATMEGA128 system which can be used for mp3 playback and general tasks. It includes MMC card (multimedia card) and FAT filesystem support and is written for GNU tools." | "Juicebox is a design (code and hardware) for a small ATMEGA128 system which can be used for mp3 playback and general tasks. It includes MMC card (multimedia card) and FAT filesystem support and is written for GNU tools." | ||
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* http://sourceforge.net/projects/juicebox/ | * http://sourceforge.net/projects/juicebox/ | ||
− | == PIC audio player == | + | === PIC audio player === |
People at the Microchip PIC forum are batting around ideas: | People at the Microchip PIC forum are batting around ideas: | ||
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[http://forum.microchip.com/tm.aspx?m=162048 saving an audio file to a memory]. | [http://forum.microchip.com/tm.aspx?m=162048 saving an audio file to a memory]. | ||
− | == MPic == | + | === MPic === |
* http://mpic3.com/downloads/ "Mpic3": Source Code in CCS PIC C and has Compact Flash and FAT16 code within it; schematic and PCB. Based on Microchip PIC18F452 and VLSI VS1001K MP3 CODEC IC. | * http://mpic3.com/downloads/ "Mpic3": Source Code in CCS PIC C and has Compact Flash and FAT16 code within it; schematic and PCB. Based on Microchip PIC18F452 and VLSI VS1001K MP3 CODEC IC. | ||
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− | == | + | ===MintyMP3=== |
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− | == | ||
MP3 player in an Altoids can. | MP3 player in an Altoids can. | ||
includes FM transmitter. | includes FM transmitter. | ||
Uses compact flash card (reads FAT16), PIC18F452, STA013 mp3 decoder chip, FT232 USB chip. | Uses compact flash card (reads FAT16), PIC18F452, STA013 mp3 decoder chip, FT232 USB chip. | ||
− | "compact flash card. ... Cheaper & faster than multimedia cards (MMC) and can be accessed via a PCMCIA slot, as all PC laptops have, using a | + | "compact flash card. ... Cheaper & faster than multimedia cards (MMC) and can be accessed via a PCMCIA slot, as all PC laptops have, using a $5 adaptor (although you can read/write using the Java program MintyComm program talking through the serial port)" |
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http://ladyada.net/make/minty/ | http://ladyada.net/make/minty/ | ||
(There's a nice forum [http://forums.ladyada.net here] for discussing this). | (There's a nice forum [http://forums.ladyada.net here] for discussing this). | ||
− | ==MP3 Player== | + | ==="MP3 Player"=== |
http://www.microsyl.com/mp3/mp3.html | http://www.microsyl.com/mp3/mp3.html | ||
based on Atmel AVR | based on Atmel AVR | ||
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includes source code in C. | includes source code in C. | ||
− | ==Yet Another Mobile MP3 Player== | + | |
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+ | ===Yet Another Mobile MP3 Player=== | ||
http://www.bobblick.com/techref/projects/yammp3/yammp3.html | http://www.bobblick.com/techref/projects/yammp3/yammp3.html | ||
"basically a personal computer that runs in a car" | "basically a personal computer that runs in a car" | ||
(runs Linux) | (runs Linux) | ||
− | ==BookPC Car MP3 Player== | + | ===BookPC Car MP3 Player=== |
http://www.bobblick.com/techref/projects/mp3book/mp3book.html | http://www.bobblick.com/techref/projects/mp3book/mp3book.html | ||
"a computer I built for my car" | "a computer I built for my car" | ||
(runs Linux) | (runs Linux) | ||
− | == MP3Car == | + | === MP3Car === |
"MP3Car.Com - Home of the Car Computer Forums - Build your own Carputer" | "MP3Car.Com - Home of the Car Computer Forums - Build your own Carputer" | ||
http://mp3car.com/ | http://mp3car.com/ | ||
− | == MP3 Player == | + | === MP3 Player === |
http://www.codepuppies.com/~ben/sens/pic/mp3/ | http://www.codepuppies.com/~ben/sens/pic/mp3/ | ||
(open-source hardware and software) | (open-source hardware and software) | ||
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to simplify the PIC playback code. | to simplify the PIC playback code. | ||
− | == | + | === butterfly MP3 === |
An open design for a portable MP3 player. | An open design for a portable MP3 player. | ||
It is designed to be easy / possible to make for a beginner and cheap as well. | It is designed to be easy / possible to make for a beginner and cheap as well. | ||
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http://butterflymp3.sourceforge.net/ | http://butterflymp3.sourceforge.net/ | ||
− | == DSPdap - DSP based Digital Audio (MP3) Player == | + | === DSPdap - DSP based Digital Audio (MP3) Player === |
Hardware and firmware for a DSP based digital audio MP3 player with USB pen drive funtionality. This player uses a a 16-bit fixed point DSP (Texas Instruments TMS320 C55x) and CompactFlash card. | Hardware and firmware for a DSP based digital audio MP3 player with USB pen drive funtionality. This player uses a a 16-bit fixed point DSP (Texas Instruments TMS320 C55x) and CompactFlash card. | ||
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http://dspdap.sourceforge.net | http://dspdap.sourceforge.net | ||
− | == | + | ===yampp: Yet another MP-3 Player=== |
http://myplace.nu/mp3/ | http://myplace.nu/mp3/ | ||
− | === | + | === yampp Industrial III === |
The "SPE020 MP3 Player" | The "SPE020 MP3 Player" | ||
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− | == CarPuter == | + | === CarPuter === |
[http://www.nslu2-linux.org/wiki/HowTo/CarPuter NSLU2-based CarPuter] | [http://www.nslu2-linux.org/wiki/HowTo/CarPuter NSLU2-based CarPuter] | ||
seems to use less power than other Linux-based MP3 players. (?) | seems to use less power than other Linux-based MP3 players. (?) | ||
− | == | + | === [http://www.rockbox.org/twiki/bin/view/Main/RockboxPlayer Rockbox Player] === |
− | Project to design and build a Free/Open hardware | + | Project to design and build a Free/Open hardware audio player and recorder, for use with RockBox firmware. |
− | Based on AT91SAM9260, ARM926EJ-S processor and in Rockbox | + | Based on AT91SAM9260, ARM926EJ-S processor and in Rockbox, an open source firmware for mp3 players, written from scratch since year 2001. |
Rockbox firmware support for over 15 Sound Codecs, including OGG and FLAC. It's written in C, using Free Software tools as GCC-ARM C compiler. | Rockbox firmware support for over 15 Sound Codecs, including OGG and FLAC. It's written in C, using Free Software tools as GCC-ARM C compiler. | ||
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== iPod ? == | == iPod ? == | ||
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http://www.tuaw.com/2005/10/19/stock-brokers-crack-open-an-ipod-5g-so-you-dont-have-to/ | http://www.tuaw.com/2005/10/19/stock-brokers-crack-open-an-ipod-5g-so-you-dont-have-to/ | ||
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− | == | + | == wishlist == |
(Are these reasonable desires, or is this a "I want a pony" wishlist?) | (Are these reasonable desires, or is this a "I want a pony" wishlist?) | ||
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From | From | ||
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For example, your own notes.) | For example, your own notes.) | ||
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+ | == discussion == | ||
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--[[User:DavidCary|DavidCary]] 15:28, 25 April 2006 (PDT) | --[[User:DavidCary|DavidCary]] 15:28, 25 April 2006 (PDT) | ||
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Rev. 01 — 18 April 2007 Application note[http://www.nxp.com/acrobat_download/applicationnotes/AN10583_1.pdf] | Rev. 01 — 18 April 2007 Application note[http://www.nxp.com/acrobat_download/applicationnotes/AN10583_1.pdf] | ||
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Open-source MP3 decoders include: | Open-source MP3 decoders include: | ||
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* [http://sourceforge.net/projects/hardmad/ sourceforge: HardMad] "hardware mp3 decoder. Written in SystemC." | * [http://sourceforge.net/projects/hardmad/ sourceforge: HardMad] "hardware mp3 decoder. Written in SystemC." | ||
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− | + | * [http://lehmayr.de/e_mrmidi.htm Mr. Midi 2]: free open source; "Lyrics are displayed (when contained in MIDI file)"; SD card bootloader for ATmega168; ... put MIDI files on a SD card, plug the card in, and use the LCD screen and buttons under it to choose a file to play. | |
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