>
>
>
> Phil-
>
>> I tracked this down a few years ago....
>>
>> The MELP patents were sold to ASPI, which was purchased by Polycom. You must
>> contact them to get licensing information. http://www.aspi.com
>
>This is incorrect; Polycom has nothing to do with MELP. Read this carefully:
>
> http://www.aspi.com/tech/
>
>The correct info is as follows:
>
>1) There is no IPR for MELP/MELPe when used in mil/gov applications.
>
>2) For commercial apps:
>
>-Texas Instruments owns IPR for MELP 2400 bps; they
>will waive fees if a TI chip is used
I only find two patents "Mixed excitation linear prediction with fractional
pitch" and "Fractional pitch method". and I don't know if that's
all.
BTW, what your contact? my e-mail: 1...@163.com
>
>-Microsoft owns IPR for MELPe 1200 bps (acquired by
>purchasing SignalCom in 2001)
>
>-there will be IPR for MELPe 600 bps, probably Harris,
>although could be Thales Group. The 600 bps selection
>process is ongoing
>
>-if the NPP (noise pre-processing) algorithm specified
>in MELPe STANAG 4591 is used, then Lucent is the IPR
>holder
>
>
>Anyone who wants individual contact persons for the above companies, please
explain
>to me why offline, and I will ask those people for permission to give out there
info
>to you.
>
>-Jeff
>
>
>
>
