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Playing of audio/video files- DSP(Digital signal processor) vs Specific software application

dr.akshay_1980@yahoo.com

I would like to ask that while playing any music formats such as .mp3/aac/wma or any other known audio formats and avi,flv,mpeg which are video formats, Is specific DSP responsible for their encoding and playing the content or our software application is responsible for playing the type of formats for music files.

E.g. If my cellphone is not able to .flv file which thing is responsible for it? ( My mobile DSP or My mobile operating system's software application).

  • 0

    @Akshay Sharma

     

         Most audio/video formats are controlled by codecs which is software application code to compress/decompress the 1's and 0's. The DSP is hardware that takes analog signals and converts to digital 1's and 0's to be used by the software.

    Hope this clears the air so to speak.

     

    Cheers,

    Clem

  • 0 in reply to clem57

    Thats very true Clem, but still do I need modification of my software or the hardware in order to play particular video files such as .flv. If whole game revolves around codec and the software application that is responsible for playback,then is it possible to make general purpose software application which can play any codec/format and convert if necessary to the suitable format for playing.

     

    If my cellphone doesn't play .flv files,Will software up gradation of the music application be able to resolve and overcome this issue????? keeping in the mind DSP of cellphone will remain same..

     

    bye,

    Akshay