Yes Gary!!!!!!!!!!! I believe your 880 maybe 128bit. Look at the specs. John
--- In dstar_digital@yahoogroups.com, "Gary" <g...@...> wrote: > > John, > > > > Try plugging a better quality speaker into the radio. > > I personally find this does wonders to increase fidelity. > > Icom should be ashamed of the speakers in the D-Star HT's. > > > > I'm not sure, but there also may be something else going on as well. > > If I set up my 80 or 880 and connect to a reflector and do the same with the > ID-1 using the same speaker, the fidelity improves big time with the 80 and > 880 but the ID-1 still sounds much better (and the RF signal is much > weaker). > > > > Gary > > KB2BSL > > WG2MSK repeater > > > > From: dstar_digital@yahoogroups.com [mailto:dstar_digi...@yahoogroups.com] > On Behalf Of n2gyn > Sent: Wednesday, September 01, 2010 2:27 PM > To: dstar_digital@yahoogroups.com > Subject: [DSTAR_DIGITAL] Re: Bit Rate? > > > > > > Thank you all for you reply and comments. > Let me make myself clearer. > I would like to see the audio quality of D-Star be improved. To MY ears' > everyone sound like a robot. I thought this was due to the low bit rate. I > am NOT impressed with the digital voice mode. I want to hear a more natural > sounding voice. My telephone sounds better. > How could this be achieved if not by bit rate? > John > ==================================================== > > --- In dstar_digital@yahoogroups.com > <mailto:dstar_digital%40yahoogroups.com> , "Ted Wrobel" <twrobel@> wrote: > > > > Hi John, > > > > Not quite sure what you are thinking, but here is a brief overview of the > > DStar data stream. > > > > The input to / output from the data processing 'module' of the radio is a > > 9600 Baud stream - which equates to roughly 960 eight bit characters per > > second. > > > > The logic of the system digitizes the voice in and passes it to the AMBE > > Vocoder that compresses the data stream - a lot. > > > > It is the compresion by the Vocoder that is both the strength and weakness > > of DStar. The compression makes a low data rate (and thus low bandwidth) > > possible, but it also means that the re-constituted voice is an > > approximation of the voice input. Generally the reconstructed voice is > > pretty good, and given the bandwidth it is really quite remarkable. > > > > In any case, the baud rate of the system is fixed and cannot be modified > at > > any stage of the process without making the resulting stream > unrecognizable > > to other DStar systems. > > > > Note that the data rate over the internet can be much higher, but the > chain > > from repeater controller to / from the radio is fixed for DV comms at > 9600. > > > > > > 73 > > Ted > > W1GRI > > > > _____ > > > > From: dstar_digital@yahoogroups.com > <mailto:dstar_digital%40yahoogroups.com> > [mailto:dstar_digital@yahoogroups.com > <mailto:dstar_digital%40yahoogroups.com> ] > > On Behalf Of n2gyn > > Sent: Tuesday, August 31, 2010 16:54 > > To: dstar_digital@yahoogroups.com <mailto:dstar_digital%40yahoogroups.com> > > > Subject: [DSTAR_DIGITAL] Bit Rate? > > > > > > > > > > Most radios are sent to 8bit. Can all radio's bit rate be changed? > > I believe it is the LOW bit rate that lowers the quality of d-star's > audio. > > Is there a sub menu in the radio's. Also can the repeater's rate be change > > to a higher rate? > > John > > >
