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Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device
From: |
Jeff Brower |
Subject: |
Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device |
Date: |
Thu, 20 Mar 2008 07:32:59 -0600 |
Rick-
> > Is this a DVSI licensed and publically available closed source module
> > or something "unofficial" or not generally available to the world at
> > large ? It has obviously long been possible to recode some reverse
> > engineered DSP chip based IMBE implemenation into C++ source code for
> > Wintel/Unix/BSD use, but this would not be free of license and patent
> > issues... and could not be made part of an open sourced project or
> > product without a DVSI deal (and it appears they don't see this as in
> > their interest).
> Reverse engineering - at least for two common IMBE variants (P25 and
> MA/COM's ProVoice) - isn't necessary. Both algorithms are published by
> DVSI through the TIA.
Are these publications actual C code, along with input/output test vectors that
can
be used to verify bit-exact performance of a software implementation?
-Jeff
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, (continued)
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Rick Parrish, 2008/03/19
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Rick Parrish, 2008/03/19
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, David I. Emery, 2008/03/19
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Rick Parrish, 2008/03/20
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device,
Jeff Brower <=
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Rick Parrish, 2008/03/21
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Jeff Brower, 2008/03/21
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Rick Parrish, 2008/03/21
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, David I. Emery, 2008/03/21
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Jeff Brower, 2008/03/22
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Eric A. Cottrell, 2008/03/22
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Eric A. Cottrell, 2008/03/23
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Jeff Brower, 2008/03/24
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Eric Cottrell, 2008/03/24
- Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device, Jeff Brower, 2008/03/24