Hi all, I've just "hacked" the "dudestar" app to use the FreeDV API, not the Codec2 3200 and 1600 code that came with "mvoice".
Now I can experiment with other Codec2 modes!! Warning: First hack Source in: www.unixservice.com.au/freedv Alan VK2ZIW On Wed, 18 Nov 2020 06:08:37 +1000, Al Beard via Freetel-codec2 wrote > Hi Sebastien, > > The M17 project > > It was commented on RepeaterBuilder, what does the mode 3200 offer > in improving the low signal performance over the current 4800 > bits/sec commercial offerings? > > I thought, that's very true. If they (M17) used say the 700 Codec2 > mode, with the added callsign data Src & Dest etc. perhaps the packet > size could be well down, perhaps 1000 bits/sec. Surely this would > improve the low signal performance. > > AI modes (LPCnet) > > Are they needed at this point or is this experimentation, awaiting > newer hardware? Note: Apple (Inc) are looking at adding the SIMD > extended instructions into the ARM architecture for their "pad" > and cell-phone range and, note AND, replacing the CPU to ARM in their > desktop systems! > > ========== Right now ========== > > I'd like to see: > > 1) Adapt "dudestar" and "droidstar" to use the current FreeDV API. > (minus the AI modes) > > 2) Adapt the above two apps to use other FreeDV modes, perhaps even 450. > > Does this make cents? > > Alan VK2ZIW > > On Tue, 17 Nov 2020 15:59:20 +0100, Sebastien F4GRX wrote > > hello > > > > m17 looks like an embedded project that will not be able to use the > > last AI powered but resource hungry modes, because they only use a > > STM32 in their handheld. > > > > Moreover their goal does not look like to reduce the used bandwidth > > or work HF DX, but to provide clear audio that competes with > > proprietary solutions on VHF and UHF. > > > > So is it really bad if they only use the the old but lightweight modes? > > > > For me at least it makes a lot of sense. > > > > Sebastien > > > > Le 17/11/2020 à 02:38, Al Beard via Freetel-codec2 a écrit : > > > Hi, > > > > > > Adapting "dudestar" to use the latest Codec2 library is proving > > > difficult for me, a "hacker" at best. > > > > > > I'd really like to do this as I'd be unhappy with the M17 project > > > being limited to only the Codec2 modes 3200 and 1600. > > > > > > C++ "Scope" problems. > > > > > > Alan VK2ZIW > > > > > > On Tue, 17 Nov 2020 09:52:40 +1000, Al Beard via Freetel-codec2 wrote > > >> Hi guys, > > >> > > >> The "dudestar" app https://github.com/nostar/dudestar > > >> > > >> Makes use of the 3200 mode from 2010 to be compatible with the M17 > > >> project. > > >> > > >> Can the "dudestar" software in the "Voice & Data" mode be changed to > > >> use the lower bit-rate modes such as 700 or even 450? > > >> > > >> To keep the internet packet format the same, in this V&D mode just > > >> have more "space" for data. > > >> > > >> As it stands, in the "Type" field bits, there is provision for encryption. > > >> It's been commented that "encryption" should be OUT. This frees up > > >> the bits for more vocoder types. > > >> > > >> Will an app such as this and "DROIDstar" encourage "over the > > >> internet" experimentation with alternate vocoders? > > >> > > >> BTW: The 3200 mode sounds quite good as long as one's mic audio level > > >> is adjusted down below clipping. (Use the O/S volume control app) > > >> > > >> (and the background noise level is low) (lessons from my laptop > > >> internal mic that "hears" the CPU fan very well) > > >> > > >> --------------------------------------------------- > > >> Alan VK2ZIW > > >> Before the Big Bang, God, Sela. > > >> OpenWebMail 2.53, nothing in the cloud. > > >> > > >> _______________________________________________ > > >> Freetel-codec2 mailing list > > >> [email protected] > > >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > > > --------------------------------------------------- > > > Alan VK2ZIW > > > Before the Big Bang, God, Sela. > > > OpenWebMail 2.53, nothing in the cloud. > > > > > > > > > > > > _______________________________________________ > > > Freetel-codec2 mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > _______________________________________________ > > Freetel-codec2 mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > --------------------------------------------------- > Alan VK2ZIW > Before the Big Bang, God, Sela. > OpenWebMail 2.53, nothing in the cloud. > > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 --------------------------------------------------- Alan VK2ZIW Before the Big Bang, God, Sela. OpenWebMail 2.53, nothing in the cloud. _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
