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  1. #1
    Registered User
    Join Date
    Mar 2007
    Posts
    2

    Exclamation Doubt about voice encoding in VOIP.

    1. I use audio capture in J2ME simulator , it show
    "Supported audio encodings: encoding=pcm
    encoding=pcm&rate=8000&bits=8&channels=1
    encoding=pcm&rate=22050&bits=16&channels=2"

    I have some question:

    1) PCM encoding can be used in VOIP? Should I switch it to other encoding with high compression level, such as G.729? Which encoding is the best one in J2ME VOIP?

    2) What's the date stream encoding when we use MMAPI capture ? Who decide it, MMAPI or device ?

  2. #2
    Nokia Developer Expert
    Join Date
    Dec 2006
    Location
    Mountain View, CA
    Posts
    197

    Re: Doubt about voice encoding in VOIP.

    I would suggest to start working with Symbian C+ and review the full-duplex Symbian C++ examples available on fn.com.

  3. #3
    Registered User
    Join Date
    Sep 2008
    Posts
    5

    Re: Doubt about voice encoding in VOIP.

    I am facing same encoding problem with MMAPI, is there solution for encoding audio in G711 ulaw ???

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