Mobile Audio IC Industry Report, 2007-2008
Mobile Audio IC Industry Report, 2007-2008 MobileaudioICismainlyappliedtomobilephoneandMP3 playersandnowitisextendedtogameconsole,hand-held navigation,digitalcameraandotherfields.However, applicationinthesefieldsisstillsmall,Comparedtothatin mobilephoneandMP3players.MobilephoneaudioICis dividedintothreecategories,namelymelodyIC,CODEC,and audioamplifierIC.TheaudioICofMP3playersmainlyadopts MP3decoderICandCODEC. MelodyICmarketprospectsarebleak.Keyglobalmobile phonemanufacturers,likeNokia,Motorola,Sony-Ericssonand Siemens,seldomadoptmelodyIC.Especiallysince2005,the fourbigproducershavegenerallyusedapplicationprocessor andcustomizedanalogbaseband toreplacemelodyIC.In earlystage,mainlyJapanesemobilephoneproducers, Samsung,LGandChinesehandsetproducersadoptedmelody ICchips.Nowadays,onlyJapanesemanufacturersstillinsist onadoptingmelodyIC,andtherestallhavegivenitup. ThereareonlyasmallnumberofaudioCODECmanufacturers,mainlyTI,AKMandWolfson Microelectronics.Audio CODECmarketentrythresholdisveryhigh,andonlythemanufacturersmasteringDELTA-SIGMAconversioncan winthemselvesaplaceinthefield.What'smore,audioCODECis mostlyappliedtocompressedmusicplayers,and especiallyahugeamountisusedinMP3anddigitalcamera.ToCODECproducers,mobilephoneisonlytheir sidelinebusiness,aboutwhichtheydon'tcaremuch,iftheyloseit.AsforMP3player,Wolfson isabsolutelythe marketdominator,monopolizingthemarket.Asfornon-portablemusicplayerslikeCDplayerandprofessional acousticsequipment,ADI,AKMandCirrussharethemarket.Wolfson isseldominvolvedinthehigh-quality audiomarket.Thesemanufacturersarecomparativelyconservative,andtheydon'tpaymuchattentiontoportable
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