On 13 Jan 2001, Christoph Bartelmus wrote:
> Hi stewart,
> The Sony remote seems to use two different protocols. Buttons "1" to "6"
> and "off" use a 20 bit code while all others seem to use 15.
> Could you please record these buttons separately. You can use the SONY20
> config file from remotes/generic/ for the 20 bit code
done and attached. I recorded each button several times for comparison
then added the power-on button.
> > Unfortunately, only the Sattelite Receiver will play back
> > correctly (i.e. the device recognizes the signals sent from the
> > laptop). The laptop has no problems decoding the inbound signal.
> > I have tried fruitlessly to use all manner of 'frequency' setting.
> > Is there a better way to automate this or guess the correct frequency?
> Well, the SIR driver does not support setting the frequency anyway as we
> are bound to the baudrate that is available...
For what it's worth, I reached someone in tech support at denon who
tells me that their remotes are based on the sharp lc3715 ic which uses
pulse-phased modulation at 37.9kHz with a clock base of 455kHz.
> > I'm guessing this is my problem. I have a universal remote which does
> > not have a problem recording and replaying the troublesome remotes.
> The problem in my eyes is the driver implementation. Maybe I'll have a
> look as soon as I have some time.
A) what can I do to help with this? I have a second machine with a
hauppauge tv card that has an ir port. can I use this to do useful
B) my permanent installation will not use a laptop, but a PC with external
ir hardware. what do you recommend as best for transmission? the irman
only seems to talk about receiving.