On 24 April 2018 at 00:00, Michael Wen <mike...@gmail.com> wrote:
> My understanding the decoder does not require a lot of computing
> power. Training the data is.
>
>
yes it looks like that.
Training the data can be achieved one-time using some kind of smart-phone/
offline utility because this need not be real-time. we can then feed this
to our decoder. Does that work ?
> On Mon, Apr 23, 2018 at 1:04 AM, David Rowe <da...@rowetel.com> wrote:
> > I don't think they are on this list, but I have had a response via email
> so
> > free free to reach out to them.
> >
> > Their current algorithm needs a GPU to decode, so won't run on a SM1000
> (or
> > even CPU) class machine. This sort of computational complexity is common
> > for new DSP algorithms. The tend to get more efficient over time.
> >
> > - David
> >
> > On 23/04/18 13:46, Akshay Mishra wrote:
> >>
> >> Are the authors available on this list -- I read the paper and if some
> >> trial is available would like to play with this on our setup (similar to
> >> SM1000 but with a different RF front end). A training set for each user
> can
> >> be incorporated when they first state and made available to all...
> >>
> >> thanks,
> >>
> >> On 22 April 2018 at 01:32, David Rowe <da...@rowetel.com
> >> <mailto:da...@rowetel.com>> wrote:
> >>
> >> Some amazing work with Codec 2 and WavNet ... using a Codec 2
> >> encoder and WaveNet decoder they have speech quality as good as AMB
> >> wideband at just 2400 bit/s
> >>
> >> http://www.rowetel.com/?p=5966
> >>
> >> - David
> >>
> >> On 20/04/18 11:41, David Rowe wrote:
> >>
> >> Hi Bruce,
> >>
> >> I'll be presenting at our WIA national conference on the same
> >> dates .. will send you the slides. Aiming to release on FreeDV
> >> GUI by then.
> >>
> >> - David
> >>
> >> On 20/04/18 11:35, Bruce Perens wrote:
> >>
> >> Woo hoo! Please tell me about anything you'd like me to
> >> present at Hamvention. This will definitely be in there.
> >>
> >> On Thu, Apr 19, 2018 at 6:51 PM, David Rowe
> >> <da...@rowetel.com <mailto:da...@rowetel.com>
> >> <mailto:da...@rowetel.com <mailto:da...@rowetel.com>>>
> wrote:
> >>
> >> Hello,
> >>
> >> I've been working steadily on FreeDV 700D, porting from
> >> Octave to C,
> >> and working through some tricky sync problems. I can
> >> now simulate
> >> the end-end system on the command line, and listen to
> >> the results. It's outperforming FreeDV 1600 by about
> >> 10dB on fast fading
> >> channels, and is error free at -2dB SNR on AWGN
> channels.
> >>
> >> The main differences from FreeDV 700C are a new OFDM
> >> modem with rate
> >> 1/2 LDPC code and the option of a long interleaver
> >> (seconds of
> >> latency). It uses the the 700 bit/s codec, although
> >> with a few
> >> tweaks we could run other codecs and LDPC codes using a
> >> few dB more
> >> SNR. More inf on the FreeDV 700D mode here:
> >>
> >> https://www.rowetel.com/?p=5573
> >> <https://www.rowetel.com/?p=5573>
> >> <https://www.rowetel.com/?p=5573
> >> <https://www.rowetel.com/?p=5573>>
> >>
> >> For anyone who would like to play along, here's
> >> README_ofdm.txt for
> >> the mode:
> >>
> >>
> >> https://svn.code.sf.net/p/freetel/code/codec2-dev/README_ofdm.txt
> >>
> >> <https://svn.code.sf.net/p/freetel/code/codec2-dev/README_ofdm.txt>
> >>
> >> <https://svn.code.sf.net/p/freetel/code/codec2-dev/README_ofdm.txt
> >>
> >> <https://svn.code.sf.net/p/freetel/code/codec2-dev/README_ofdm.txt>>
> >>
> >> This includes references to blog posts, lots of command
> >> line
> >> examples, and specification at the end. There's enough
> >> information
> >> for the super keen to run it over the air using the cmd
> >> line tools,
> >> which I haven't done yet.
> >>
> >> Next steps are some over the air tests, write a
> >> freedv_api.c "mode"
> >> for it, integration into the FreeDV GUI program, and
> >> lots of tweaking.
> >>
> >> - David
> >>
> >> On 16/04/18 08:52, Glen English wrote:
> >>
> >> I will write more abt this when I return, however
> >> a) the quality
> >> of the capacitor influences notch depth, b )
> >> getting the area
> >> and proximity of the loop to the line matters. for
> >> a 6" filter,
> >> anything over 33db for 600k bp-reject is very good.
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------
> ------------------
> >>
> >> Check out the vibrant tech community on one of the
> >> world's most
> >> engaging tech sites, Slashdot.org!
> >> http://sdm.link/slashdot
> >>
> >>
> >>
> >> _______________________________________________
> >> Freetel-codec2 mailing list
> >> Freetel-codec2@lists.sourceforge.net
> >> <mailto:Freetel-codec2@lists.sourceforge.net>
> >> <mailto:Freetel-codec2@lists.sourceforge.net
> >> <mailto:Freetel-codec2@lists.sourceforge.net>>
> >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
> >> <https://lists.sourceforge.net/lists/listinfo/freetel-
> codec2>
> >>
> >> <https://lists.sourceforge.net/lists/listinfo/freetel-codec2
> >> <https://lists.sourceforge.net/lists/listinfo/freetel-
> codec2>>
> >>
> >>
> >> -- You received this message because you are
> >> subscribed to the Google
> >> Groups "digitalvoice" group.
> >> To unsubscribe from this group and stop receiving
> >> emails from it,
> >> send an email to
> >> digitalvoice+unsubscr...@googlegroups.com
> >> <mailto:digitalvoice%2bunsubscr...@googlegroups.com>
> >> <mailto:digitalvoice%2bunsubscr...@googlegroups.com
> >> <mailto:digitalvoice%252bunsubscr...@googlegroups.com>>.
> >> To post to this group, send email to
> >> digitalvo...@googlegroups.com
> >> <mailto:digitalvo...@googlegroups.com>
> >> <mailto:digitalvo...@googlegroups.com
> >> <mailto:digitalvo...@googlegroups.com>>.
> >> Visit this group at
> >> https://groups.google.com/group/digitalvoice
> >> <https://groups.google.com/group/digitalvoice>
> >> <https://groups.google.com/group/digitalvoice
> >> <https://groups.google.com/group/digitalvoice>>.
> >> For more options, visit
> >> https://groups.google.com/d/optout
> >> <https://groups.google.com/d/optout>
> >> <https://groups.google.com/d/optout
> >> <https://groups.google.com/d/optout>>.
> >>
> >>
> >>
> >>
> >> -- Bruce Perens K6BP - Standards committee
> chair,
> >> license
> >> review committee member, Open Source Initiative
> >> President, Open Research Institute
> >>
> >>
> >>
> >> ------------------------------------------------------------
> ------------------
> >>
> >> Check out the vibrant tech community on one of the world's
> >> most
> >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> >>
> >>
> >>
> >> _______________________________________________
> >> Freetel-codec2 mailing list
> >> Freetel-codec2@lists.sourceforge.net
> >> <mailto:Freetel-codec2@lists.sourceforge.net>
> >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
> >> <https://lists.sourceforge.net/lists/listinfo/freetel-
> codec2>
> >>
> >>
> >>
> >> ------------------------------------------------------------
> ------------------
> >>
> >> Check out the vibrant tech community on one of the world's most
> >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> >> _______________________________________________
> >> Freetel-codec2 mailing list
> >> Freetel-codec2@lists.sourceforge.net
> >> <mailto:Freetel-codec2@lists.sourceforge.net>
> >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
> >> <https://lists.sourceforge.net/lists/listinfo/freetel-codec2>
> >>
> >>
> >>
> >> ------------------------------------------------------------
> ------------------
> >> Check out the vibrant tech community on one of the world's most
> >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> >> _______________________________________________
> >> Freetel-codec2 mailing list
> >> Freetel-codec2@lists.sourceforge.net
> >> <mailto:Freetel-codec2@lists.sourceforge.net>
> >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
> >> <https://lists.sourceforge.net/lists/listinfo/freetel-codec2>
> >>
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------
> ------------------
> >> Check out the vibrant tech community on one of the world's most
> >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> >>
> >>
> >>
> >> _______________________________________________
> >> Freetel-codec2 mailing list
> >> Freetel-codec2@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
> >>
> >
> > ------------------------------------------------------------
> ------------------
> > Check out the vibrant tech community on one of the world's most
> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> > _______________________________________________
> > Freetel-codec2 mailing list
> > Freetel-codec2@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/freetel-codec2
>
> ------------------------------------------------------------
> ------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> Freetel-codec2 mailing list
> Freetel-codec2@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
>
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Freetel-codec2 mailing list
Freetel-codec2@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/freetel-codec2
