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Thread: Read AMR data

  1. #1
    Nokia Developer Champion
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    Jun 2008
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    Read AMR data

    hi..i hav recorded some data in a stream using the CMdaAudioInputStream API and saved the file in AMR format.Im also able to playback that file.Now what i have done is converted that AMR to .txt format for the purpose of reading it and extract some data, but the data written in it ofcourse i knew it from before that i won't be able to read it.So is there anyway so that i can convert that data in some readable format.Actually i want to extract data frm it like pitch of sound or anything else i can get.So i have the following query:

    Is this the right way to extract data frm AMR file, and if not then how can i extract some usable data frm file.

  2. #2
    Nokia Developer Champion
    Join Date
    Jun 2008
    Location
    Noida,India
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    3,988

    Re: Read AMR data

    hi..im now using a new approach to analyze the audio data by implementing the FFT algo given in the wiki in my project.as i have mentioned in previous post that im using the CMdaAudioInputStream to store or record the data in array of buffer.Now im not getting on how to implement that audio data in the FFT algo, so that i can get some sort of waveform for audio data vriations..So anybody having idea on how to implement this.

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