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  1. #1
    Regular Contributor
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    Oct 2005
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    Mumbai, India
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    103

    Audio Recording settings for the smallest file size

    Hi,
    I am a newbie to the multimedia stuffs. I am developing a voice recording application where i want to save the file at the smallest size possible.What settings(like the sample rate, mono/stereo, gain, volume,codec...etc) should i use in order to save the audio at the lowest possible file size?? Right now i am saving the voice as a wav file. Is there any other format that i can use so that the file size should be minimum?
    BTW i am using the CMdaAudioRecorderUtility class for recording voice.

    hope to hear from some experts in voice stuffs...
    thanks and regards
    Rafeeq

  2. #2
    Regular Contributor
    Join Date
    May 2005
    Location
    Sweden
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    272

    Re: Audio Recording settings for the smallest file size

    Wav is usually uncompressed, so that's a poor choice for minimizing the file size. Amr should give you much smaller files. As for the other parameters, they're quite obvious: mono requires less data than stereo, and the smaller the sample rate is, the smaller the amount of data you need to set. Gain and volume shouldn't matter.
    Mobile Sputnik: http://ptrmobile.blogspot.com/

  3. #3
    Regular Contributor
    Join Date
    Oct 2005
    Location
    Mumbai, India
    Posts
    103

    Re: Audio Recording settings for the smallest file size

    Hi ptrmn,
    thanks for giving such nice tips..I will try these settings in my application.

    thanks and regards
    Rafeeq

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