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G.729

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  • #29554 Reply
    Sagamino
    Guest

    May be a silly question, but does anyone know what the difference between G.729 and G.729 A/B? Are these two(three) types completely different and would not inter-work? For example, if there is already G.729 environment, but would like to add G.729 A service, can it not work??

    #29555 Reply
    Lib
    Guest

    The frame formats of g.729 and g.729A are the same. But g.729A works faster and is used widely.
    Do you know where can I get sources of working g.729A for DSP TMS320C55??
    Thanks for answers.

    #29556 Reply
    outlooker
    Guest

    There is a free G729A C code for intel sse on intel website.maybe you can translate it into TI’s C code.

    #29557 Reply
    Lib
    Guest

    Intel sources are oriented on the object library by Intel. This library is not free.

    #29558 Reply
    outlooker
    Guest

    It does not matter, intel’s dll works as HSP VM, same function as DSP,and the lib comes with many software such as VCON’s MxM.

    #29559 Reply
    Lib
    Guest

    In what way can I use this sources to optimize them for IT TMS320C55xx DSP?
    Are you sure Intel sources are useful for me?

    #29560 Reply
    outlooker
    Guest

    Intel SSE’s lib just convert long WORD operation to SSE’s code. but the G.711-G.729’s archeture does not need changed, so just convert the SSE calling (intel reserved key)to the specific TI DSP C code,which is most efficient on DSP. or change it into embedded assembler code.

    #29561 Reply
    Lib
    Guest

    Could you give me the URL of the sources? I tried to find them but got no result.
    Thank you.

    #29562 Reply
    outlooker
    Guest

    I found the code 2 years ago.It is hard to remember the name.

    Just drop a e-mail,I will send you later.

    #29563 Reply
    Lib
    Guest

    Thank you a lot.
    My email:

    ligoban@yandex.ru

Viewing 10 posts - 1 through 10 (of 10 total)
Reply To: G.729
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