?÷?÷PMP????·?°????±???°??±?±???


???????é???è?ó???á???????°?????ú×???????×????????á???????ú×??????????ù???á???????ú???????????????ù????????MP4???????ú???ò?????????ú?ú?·?????°???????ù±???5000???????????????ú???ù?????????±?ò10000?à???ò??"×??·"????????????????????????°??????????ò????????????????????"×??·"?????ú??
????MP4?????????????????????????°????????±???????????·¨????????????×?????????????????MP3??????????????????MP4??????????°?MP4??×÷??????????·?MP4????????????·??÷????????????????????????????????????????????MP4?????????ó????????????????·???????MP4????×÷???????????ú?·?????????????????????÷?÷??
????MP4?¨????PMP??????????·??÷????????????????·???????????????????±???/????????????????/????????±??????°???è±??????ù???ú?·????????????????MP4????????????MP4???????????????????????????á???????????????????????????????à???????§?????????????????????????·???????????????ú???ú?ú??????????MP4????????·????????è?????ú?·??
?ù???¨???ú???¤????2005?ê???????ú??????MP4·?????????????310??×ó?????¤???????????????á????10????????±???????2008?ê??MP4??????????100?????????¤???????????à???????úMP4??????·????°?°???±???????????????ü??×????à?§???ó????·????????????ò??????????????×??????ú?·?????????ü?????ù?????????????????????????°????????PMP????·?°?°???
?????÷?÷PMP????????·?°??????°????
??2??SigmaDesigns EM8510 ??????

??????·?°?·??????÷??·?°??ù?à???????÷??°ü?¨??
SigmaDesigns EM851x·?°?
SigmaDesigns 851x???í?÷?????°????×?????×???????ר?????????????????????è??????200MHz 32??RISC???í?÷??MPEG???????í?÷?????????????????????è???ü???§?????§?????é???????ê???????ù?è?÷?????????á???????????í???°?÷????WMA V9??DivX V3.11??DivX V4.X??5.X??MPEG-4??MPEG-2??MPEG-1????????????
??????????????????????????????????????????·??§??????
?±??????·¨??·?????????????RM??RMVB?????÷????200MHZ???è??6?ò???ò??·????¨?×?????????÷?????????¨SDRAM????????DDR2??
AMD Alchemy????·?°?
??3??AMD Au1200 ??????

AMD??????????PMP????????°×????2005?ê1????????ר????PMP?è???????í?÷Alchemy AU1200??AMD???????????????????¨?÷????·???ר??????PMP????????ר?????í?÷??????AMD·?????????????????
????????????????????????????????·?°???????????·??????·?????í???????????????é????Au1200??????????????·??÷(PMP)??????ר???????????????á???à???????ú????????????????????DVD???????????????±??????×??????ú???????????????????????°?ü?¤?????????????ü????????±???????PMP???ó??Au1200???í?÷?á????DVD???????????????????????°?ì?°?????????é?????±?????????ü?ó????????????Au1200???í?÷?§??????±ê×?????????????°ü?¨MPEG-1??MPEG2??MPEG4??WMV9??H.263??DivX??XVID??MP3, WMA, WAV, ASF, AVI,JPEG??
AMD Au1200???í?÷???÷??????°ü?¨?????????????????????í?÷???í???¤???§????????????: <400mW @ 400MHz??DVD ???????? (720??480) ???§???à???????????????????????ó???????? (1,024??768)???§??DDR1??DDR2 ?????????????????????????????è??????DSP???ò???????ò??±à???·????????×é???????è???à????×?????USB2.0 ?÷?ú???è±????§???ü???????????????ü???é?????????????????????ì????????LCD?????÷???????·???????????????????è??°?????????AES-128 ????×???????/????????×÷?????§????Windows CE 5.0??Linux 2.6??20GB??????USB2.0??????3.5???? TFT????LCD?????????????±????·???????,????,PVRs????????????????????????°????§??USB??????????????

???????ü??????±????ü?????????????????????????÷??????±ê×????????÷???ò????±à????????????DSP?ú?????????????????í?÷??MIPS????500MHZ????????DSP??????????????????????????????SOC???ê????????????·?°????ü????×???·?°???±????÷??????500MHZ?????è?????????ò??·??×????
?±???????????§??RM?????????¨?????ú?ù????×????í?????§????
??????PXA27x??????·?°?
????????????2003?ê?×??????????×?????????PXA27x?????????í?÷??×???????????624MHz??×÷???????????°?????????????????í?÷????????????Linux?òWince??×÷??????PXA27x?í?????????§???????????????????¨???í?????????§??????????????????????MPEG-2???????????????ó???ò??????????PXA27x???í?÷????MPEG-2±à????????????????
????????????PXA270????ר????PMP?è?????ü×?????????PDA(±???????HP4700)?????????ú(??MOTO E680)???????ù??????PXA270×÷??PMP???í?÷?????????ü???????à???????í??????????????????????????????????PMP?ú?·??????????????
±í1??Intel PXA27X???í?÷???????ò?é??±í??

PXA270??????????SD/SDIO/MMC??CF/PCMCIA??CMOS/CCD CAMERA??MS/MSPRO??USB1.1??OTG??IDE??LAN??SIM??????KEYBOARD???????÷??????PXA270????ר??????PMP??·????????ü??·???????PDA?????????ú??PMP???è????PXA270?ù?¨???????????????à?????????é????????PXA270??±?3D???????????ú×??????·??????×??ó???§??400?ò?ó????CCD?????·?????????????????ó???§??LAN????????????????????????PXA270???????????±?????¤??????PMP????·????ú?????????§????×?????±????ù???????°???????????????¨???????????ù??PXA270??PMP????·?°??????°??????????PXA255????·?°????ù??PXA255??·?°????????????????????????§?????à???????????????±??????·¨?§???ó???????ó??±à????????MPEG-2????

????????????2004?ê??????2700G?à??????????????????PXA270??????????????3D?????????±??PXA27x??????wireless MMX??????SpeedStep???????????í???????????ó?ó??????PXA270?????????í?????????????ó???????????????????¤PMP?ú?·?????????ü??2700G?????????ü??PXA27x·?°?????????????·?°????????ê????????MPEG-2±à???????????ü???ù??PXA27x??PMP?ú?·???ò?à??????·????????????????·???????????????????????é????????

SpeedStep???????????????????????í?÷?????????????¨?×??????±í???????????è???à?????÷?????ü???÷?????à?????????????????è???±???ü???????í?÷?÷???÷????×???????????·?????????SpeedStep??????????PXA270???÷????26MHz??624MHz(×???)????×????÷?????????????????????ê???????±??PXA270??????????26MHz???÷?????????±?ü????????????0.1??°???

?????????°PXA270???§??MPEG-1??MPEG-2??MPEG-4??DIVx??XVID??AVI??WMV9???????????¨???í???????§???????????à????????·á???????§??SD??MS??CF?????§??×??ó400?ò?ó???????·???§?????????????í??????????

?±??????±????????????è??????DSP??
TI DM320 DSP??ARM???í?÷??????·?°?
×÷??DSP???·??TI?????ù??TI DM320 DSP??PMP????·?°???TI·?°???????DM320DSP??????????±à???????í??ARM???í?÷???????????í?°?á?????§?è±?????????SigmaDesigns·?°????ù??TI·?°??§?????????à??·???·á?????á???à??×??÷?????????????°??·???????°ü?¨MPEG-4 SP??MPEG-4 ASP??MPEG-1??MPEG-2??DivX??WMV WMA V9??QuickTime 6??H.264??AAC-LC??MP3????????????TI DM320????DSP???????ò??±???????ARM???í?÷????×é???ê????????·?°????ò??????±?????????±???????????????????·?????,±à?????????????ü????±?PVR??????(??????????·??????¤???±????), DM320 PMP·?°?????MPEG-4 SP??????30fps D1??????(DM270??????30fps VGA??640x480),????·???????????????DM270??DM320?ù??????30fps??D1(H.264??????????),·?°??ù?§??USB2.0,HDD,SD,CF,MS??.TI??Ingenient??????×÷???ü???è??·?°????ì???????á??PMP·?°????í?????????á?????????????è????
±í2??Ingenien?????????ù??TI DM2X?°DM3X???à?????????????è????

???????§?????????à??·á????±à????????????

?±????±???????ARM???í?÷????±??????????????????ó?????§??????????????RM??RMVB???????????????í?÷??ARM 80-160MHZ?????????í??????·?°????è?????§×??ó?????í??±à???¤×÷??

·????¨??i.MX31????·?°?
·????¨??(Freescale)??i.MX??×??á????SZ????PDA????????????????i.MX1??i.MXL????WPDA???é???è±??????????ú??i.MX31??i.MX31L???í?÷?ù??ARM11???¨???à?????????÷eMMA?????ê?????????¤?°???¤?ó???í???é???§??MPEG-4??H.263??±à??????CPU 266MHZ??????133MHZ??1.8V??16/18????LCD?????÷???§??VGA??


±í3??Freescale IMX???????ò?é??±í??



????·????¨????Smart Speed&??????????????×??ó???????á?????§????/????eCPI?????÷?????????í???????????????é?????é???????????è±?±????á???????????ú???¨????????±?????3D?????????????????????????÷????i.MX31??i.MX31L???í?÷?????????????????í????(IPU)???????á??????VGA 640??480 30 fps????????????i.MX31??i.MX31L???í?÷??????????USB On-The-Go??????????????PC?òPC???§?è±????????á?°?ìPC???????ü????????????????USB Host??????????USB Host??????????WiFi????????·????ù???????§?è±???

?????????????????í?§?????????????????????????????????????é?????ê???±??·??????±??·??????????????????????ü??×÷?????á??????LCD?????ù???????????ü???§?????±??MPEG-4??H.263???ó±à???????§??CIF??QVGA????????30??/?????§??PacketVideo??RealNetworks ??Windows Media Player??????×????????ó?ó?????????¤???í?????ó??????????×????????ó?ó?????ó???í??i.MX31?á???????????ü?????????§?????????????ó??????±???3D???·??????MMC?¨??SD?¨????????????CMOS sensor??????IIC?????????èSmart Speed??????eCPI???????§??532 MHz i.MX31???????í?÷???????????????í?????à?±??3GHz???í?÷????????????×??ó????????????????eCPI????????????CPU???????????ó??????????????????·????????????????±???í???÷????????????3D???·???????à?????é?????????è±?????????i.MX31???í?÷?????ì???????????í??°???????×?°??¨???í?????????í?????????á???????????????????í?÷??L2?????????????????????á?????ú×??????é????????±??¤?????????????????ó?????ì?????è?????±????3D????????????·??????????í??????"?????????§"???è?ó??

?±????i.MX31???????????????úר???è?????????à??±???·á???????????????í??????°???MPEG-4??·????÷??????·¨???íMPEG-2??????


?è??SPCA536????·?°?
?è??(Sunplus)??SPCA536????·?°????????????§???????à???????????????????§????????·???????(???????????§??MPEG-4±à??????JPEG????????????±???????)??????????????±??????????ó?????????????á???????????è??DMV?????°????·?(?????ù??????)??°????§??×????í?????÷?????????????????? (*.mpx)???????????????ú??·???


Zoran????·?°?
???°??ORBBIT??????MP4?????????ú????????????????SMART??????????????Zoran COACH 7E??COACH 7?????á??View-LCD???????±????????????LCD????IC???è?ó????????COACH 7???±??????Zoom??×??????????·?????è?????????????????÷?????????°????·???COACH 7????????12???????????÷???í?????????????????÷???°??·??ó?????°???????ü????????

?à????COACH 6??Zoran COACH 7?????à?????????????????????????ú????????????±??±?????à??±ê×??ò???ú?ò????Pictbridge??????????????USB 2.0???§??????480Mbps?????????????????????ú???í?÷??????????Zoran??DVD??????????

COACH7????MPEG4?°????????????????VGA·?±????????????????í30????????????????????±à?????í???????????°??????????±???????????????COACH 7??????°?±???COACH 7Eר?????¨??CMOS?à?ú?è??????COACH 7P?ò??????ר??????????·?±???CCD?à?ú????????°?±??ù?§??16Mp?°??·?±??????????ù?????????ú????????????

Ittiam????·?°?
Ittiam????(http://www.ittiam.com)??????2001?ê?????????÷???????????ù?????????í??????°ì?????????×???ê??ר×???DSP??·?????????????????×???DSP?í???°????????????????

Ittiam?????ü????×????·?????????????????á?????????è??·?????????°?????·??????§?¨?????ú?·?????????????????ú?¨???????§???????????¨???ü????Ittiam??IP?÷?????????????×?????????úKromosCommunications??·????????¨???????? Ittiam???×???¨???ú?·?è????Ittiam×?????·????????????í???¨????DSP??????°ü?¨??×??????????????ò????????IP(voice-over-IP)??

Ittiam??MediaAlbum???????§?????????à??????????????????·??????÷???§?????ê?????????è????×÷???????¨???????¨???????¨???÷???à?????????è±????????ò??×???????

????????????·?--?§??MPEG4??DivX??????????--JPEG????????·?--MP3??AAC??????????--MPEG4??ADPCM???????à?ú--JPEG???ù?????????ò???????????????÷????·???????20GB??????CF?òSD?¨??802.11b???????ò????????????USB1.1?òUSB2.0??????LCD???????????·???ó??·??????????????·???°?????ú?ú???????ì?????????ì???ü????


·?????????·?°?
??4??Philips pnx0190e??

·?????(Philips)??±??????à????(Media Box)???????? Philips TriMedia???ù?????????è?????¨??????????????pnx0190e ????×??à???????í???????÷????????OEMs/ODM???÷????·????§??

??????????????pnx1500 series TriMedia/Nexperia ???í?÷???ü????????????????????????(100mm??150mm??30mm)???????????????????????á?????? 3 ???±?à??????·???????·?±????????????????? CIF(320X240) ·?±?????·?????PMP?????è?????¨?á??±ê×??¨??·?±???(SD,720??480)????30?????????????????????????á?????·??????(HD)?????ù??±ê×??? ATSC ·?±???°ü?¨ 720p ??1080i??

?????¨????Ant Limited's Pure Play?à?????????÷???÷??????????????MP3, MPEG1/2, MPEG4, DivX??H.264???à????????·¨??????????USB????????????·??????????????????ò????????TCP/IP 802.11g?±???????à????·????÷???÷??266 MHz,64 MB DDR400?????÷,16 MB boot flash ,20GB????,CVBS/S video in, CBVS/S video out,mini-PCI slot (????Philips TD2 802.11 ???¨),compact flash card socket,?á??MMC, SD??MS??flash card socket ,?±??????656??digital video camera input???????????÷ ,????????( 3.7V 2040 mAh Li-Poly ),Casio 18 bit display - 8.8cm (3.5") 320??240,????USB×°????????????PC,????USB OTG??????????OTG???§. ?÷?????????????ò???à?????????÷Target TCP/IP stack??PurePlay media browser,?÷?????????ò:Basic Decoders (MPEG2 video,layer 2/3 audio, jpeg),MEPG4 (includes AAC audio) ,DivX (with DivX DRM),H.264 decoder .?÷??±à?????ò(?????°??):MPEG2 video encoder library,MPEG4 video encoder library,MPEG2 layer 2?ò3 audio encoder.

?±??:?÷????266MHZ??

?????????????ú?ó????PMP???ú????·?°???????
????PMP?ú?·????·????????ó?????°?????????ó?à??PMP?ú?·?ù???ú???ò?¨???????è???????ú?ó????·??à?é???ú?·???ú?ú???ò??·???????±é????????·¨×?????·??ú?·???ò?????????ú?ó??PMP?è?????ì???ü?à??°????ú?ú??+Design House???????????????ù?ú?ú????????·?·???×???????????????????????Design House?ò·???×????????è????????????????±?????????·???×÷?ò????????°?PMP????×??ó×?????



±í4?????°???ú?ó??PMP???ú·?°??è????????????



?ú?????°?????????????è?????????ì??PMP???ú????·?°???????×÷??DEMO??×÷?????????à????????·?°????ì????,????2001?êIngenient Technologies??????TI???????????????????????????????÷?à??????????DSP????·?°???2002?ê,Archos????????????Ingenient??·?°???????????????????PMP?ú?·----?à????Jukebox??????, ?÷?á??RCA??IRIVER??MOBINOTE??MSI??OLYMPUS?????à?ú?????????§???????÷×???PMP?ú?·????????±???Ingenient??·?°???

?????÷??PMP????·?°?????±?±???


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±í5???÷????????PMP·?°??°??±?????±í??





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±í6???ú?ú?§????·?·?°???


?????????÷?÷MP4????×???
???°????????????MP4???é?????ó?à???????àMP4??????×÷??????MP3???????????????????????????????é???????????????????à??????×÷????°é?????????ú?·????????±????ó????°?????20G??40G??????×÷???????é????×??ó???à???ù??MP4???????????ú?·????°?±???????????????????????MP4??·??÷??

????MP4???????????????ò??????


ButterFly???? MPEG4 ?????°????40G ??????9500????

°????? AV320(20G) 4999??,AV340(40G)??5999??,AV380(80G)??7999??,???????????°??C300???·??7999????

??±? DVX-POD7010(20G)??7????16??9 LTPS????7800????

?????? CLIOD ?????????????? 2.5G??????2.2??OLED????6980????

Hauppauge ?°??????????20G??????7??LTPS????6880????

???? YH-999 3.5??????1.8?????????§?????????????à??????????PMC??·??÷??649?·????

????INCO C320 3.5??????20G ??????5800????

???????? MV500 20G????, 5800????

???? MS5566(20G)??3.5??????TFT????,2990??, ????5566??·??÷????2005 CES?????ú?·?±???????°??????????3???±????????????????????8?????±??×????ú×??????????é???è?ó????????????????????????

MegaView 567 7??????40G 2.5????????????????????????????5499????

±±??Newman D66V 2.5??????20G????3900????D18C??2.0??????20G??????2980????

??????3.5??????20G??????4880????

SONY HMP-A1 3.5??????20G??????4800????

???ú Centrix MVP-100???????é1.8????20GB??????????????3.5??????TFT???§??·?±?????320??240???§??×???720??480???????????????????ú?í??PC??????USB2.0??????????±??í???§??USB1.1??HOST ??????

?¨??PQI mTrix ?¨?¨°????°?ú???§?????ì??GBA???·??2??????mPack 800 3.5??????80G??????

ó?±? MAPOWER 2.5??????20G???? 4680????

?????? ???????? BX911 20G??????3.5??????4380????

???? ZEN PMC 20G??????3.8??????4300????

°?????iRiver H10 5G ?????????íPlayForSure ???¨??2500????

PMP-120 20G??????3.5??????4200????

???? PMP-1700 7??????40G ??????3500????

???úFIC Vassili 3.6?????ó???????§?????????????????????ú?÷???????ò???????????á??????×?????????·??????ü????????20GB???????????????à?????????°????°???????USB2.0?????????????????à????????????????·??????¨?????í??±í???????????????????á???ü?à??????????????????

°??ú?? Flash Player P800 ,LTPS????

NeoSol TN-A1002 2.5G ??????2??OLED?????????ì????????????????3300????

?ú??Iaudio x5 20G 1.8??????,1.2????, 3000 ????

COWON A2 4??16??9????30G??????

TEXXO TX-AV26 3.5??????256M??????2980????

??±? MOVIE VISION AV 2.5??????20G??????2700????

??±?NHC PMP-2000 1.3??????512M??????2300????

???ú???? JNC SSF-M20 3.5??????128M??????1999????

????MELE PMC-100 20G??????1980????

CVC PDV-2188 2.5??????32M??????cvc-cn.com,1980 ????

????DMTECH DM-AV10 3.5??????128M??????1880????

Shenzhen Orderly??Ipod MP4 1660????

??°? GEIL ??????(512M),OLED??????????,?§??MP4,1299????

?¨??Unione QBOX?????°??????·??÷ 3.5??????128M??????1080??

JXD680 512M ???? 999 ????

??????????????????MP4??????·?
×??üPMP?????ó?????????÷?????¨???????¤????2008?ê?????òPMP???è?ó????±????????¤180%?????????ù???????á????????5000-7000???????????????ì?????????ò?????ù????????·?????×??ú?ú??±????????????í??·????ò???????ú?ú?????ú?·???ó???ó?????ù????????????????????????????MP4??·??÷?????×?ù?ó?ê??????????MS5566??5499??????????????2990??????????×???????????±í????

???????à?ú?????§????±í?????????????à????MP4??·??÷???????????????ú???????????????ú?·?ò?????à?±?????????????ú?úMP4??·??÷???§?????????????ú??????????·????????????????ú???§???ò?????????????·?±????????????±????ó?????????????????????·????????????????????????????MP4?????????¤????

???????????±?°????×????????????????°????????????????·??????????§?????????á????????·?±????é??????±????ú?·???????????¨??±¨??????????????×??????????????????????ú?????á?????????????????????????????????????????§??????·???????????MP4????????????????????????×????????????????????????????????á??×??????????¨?á??????×????????é??VCD?????????????????????????????????è?ó±????????????????????ú?¨?????í??

??????????????,MP4????±????????±?°??190?????????÷?ó?ê??100????????,??°????ó??×??¤??????????°????????????????°?ù±????????§???????????ò?????????¤????????????????????????MP4·?????????????????????????MP4???á??????·?????·???????????·???????±??????????????????????????è???ù???§?????????ì??????MP4?????ê???á?????ó??×÷?????????÷?ê?ò?ó?ê?????????á????????±?·????????¤??

×÷??????±??????ú?·??MP4??±?????????·????????????ò???????????????????ü???í??????MP4??????·???·?????????????????MP4?±?°??×??????±?????????ù????MP4???????¨???????????????ú?·?¨??????????????????????????????·??????ì??·???????????????????????PDA?????????·??????????MP4???????è?????ù????????MP4?ê????????MP3???à??????????????±?????21???????????ì?ò×??ó?????????ü??

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link: http://www.eetchina.com/ART_8800371636_675277_342beade_no.HTM