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PA2AGA > HDDIG 11.04.00 10:10l 184 Lines 6036 Bytes #-9513 (0) @ EU
BID : HD_2000_101C
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Subj: HamDigitalDigest 2000/101C
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Message-Id: <hd_2000_101C>
From: pa2aga
To: hd_broadcast@pa2aga
Subject: HamDigitalDigest 2000/101C
X-BBS-Msg-Type: B
Look for a program called "Gold Wave" It will display any type of audio
file as if you were looking at it with an o-scope. It is pretty
flexible and can be tailored to do a lot of different things.
John
WA6RLV
Colin Campbell wrote:
>
> Hi and thanks for reading this.
> I would like to show the sound input to my soundcard on the screen as if the
> screen was an oscilloscope, but just the part from around 500Hz to 2000Hz.
> I'm using VB 6.0 and DirectX and have the DirectSoundBuffer accepting the
> data and I can print it out. The buffer holding the data contains numbers
> like 22363,29047,-31605,26988,-26736 How do I translate these back to
> frequency and amplitude of the input signal ? Is this possible with
> VB/DirectX or am I on the wrong track ? Is there another method I should be
> using ? My goal, after plotting the waveform, is to write a basic RTTY
> program then hopefully progress to some other modes.
> If someone could point me in the right direction I'd really appreciate it.
> Also, if anyone knows how to use the SoundBlaster for DSP or of any websites
> that have code for any SoundBlaster DSP routines out there I'd like to know
> where :)
> Colin MM5AGM
------------------------------
Date: Sun, 9 Apr 2000 13:28:33 -0400
From: "Rob" <Pse@NoEmail.Com>
Subject: starting RITTY
RITTY will not run under Windows, not in a DOS box!! Read the DOCS!!
It is best to boot directly into DOS at startup and NEVER let windows load.
RITTY may not work even if you RESTART into DOS mode.
With Windows 98, you just hold down the CTRL key when you first turn on the
computer. Then select COMMAND PROMPT ONLY when the MENU appears.
Then go to the RITTY directory (e.g. cd c:\RITTY) and then execute the
RITTY program.
RITTY is a great program. Version 2.x will doe both RTTY and PACTOR (but
you need a TRUE Sound Blaster Card (not a clone) for Pactor). Any sound
card will work for RITTY.
RITTY version 3.x will only do RTTY. I believe K6STI still sells licences
but you must write to him directly.
If you want a Windows based RTTY program for a sound card, you can try
TrueTTY or MixW32. But neither of them have the ADVANCED DSP features
offered in RITTY.
Good luck.
73's
Rob
"cdc" <cdc@fast.net.au> wrote in message
news:38EEDBFC.D50D9A8C@fast.net.au...
> Hi
> I am still trying to evaluate ritty (still searching for the best RTTY
> program to use). I must say trying because I can not start the
> unregistered version of RITTY. My operating system is Windows 98 and I
> had no problems evaluating other soundblaster based software like MixW
> Demo.
> When I start RITTY the Windows screen switches and the RITTY welcome
> screen comes on. That is how far I get.....
> This is very disappointing as I am very curious about RITTY, I have read
> many encouraging articles about the software. So if anybody has an idea
> what could be the reason for my problem please let me know.
> Thanks for your help
>
> VY 73
>
> VK2GFB
>
------------------------------
Date: Sun, 9 Apr 2000 08:58:38 GMT
From: nomail@rob.knoware.nl (Rob Janssen)
Subject: Telephone Keypad Letters?
Steve Sampson <ssampson@usa-site.net> wrote:
>All phones made in the far-east (I notice Oriental is now no longer
>politically correct in America) or Mexico, have PQRS with the 7,
>and WXYZ with the 9.
>I'd say that was pretty much a standard.
Apparently there has been another standard in Europe (I don't have the
details handy). This caused some problems recently, as ISDN phones were
sold here that had this different layout. It was then used only for the
programming of the built-in phonebook, so there was no problem.
Later, these keypad letters became more and more popular, mostly because of
GSM SMS but also because the telco started marketing the "name to number"
mappings that are used in the USA (of course these were always possible).
This caused a nasty problem: the letters on the keycaps did not correspond
to the system in use, and the firmware assumed that keycap layout. They
had to upgrade both the keycaps and the firmware to fix this.
Those phones were produced in Switzerland (Eurit), so probably the
different standard is in use over there...
Rob
--
+----------------------------------+--------------------------------------+
| Rob Janssen pe1chl@amsat.org | WWW: http://www.knoware.nl/users/rob |
| AMPRnet: rob@pe1chl.ampr.org | AX.25 BBS: PE1CHL@PI8WNO.#UTR.NLD.EU |
+----------------------------------+--------------------------------------+
------------------------------
Date: Sun, 9 Apr 2000 13:44:23 -0400
From: "Rob" <Pse@NoEmail.Com>
Subject: Terminal programs for old AMT-1 TNC?
Hi,
Does anyone know where I can obtain a terminal program for the old AMT-1 TNC
for RTTY and AMTOR.
The program can be DOS or Windows based. (Windows is preferred)
I think RTTY by WF1B supports the old AMT-1 but I am not really looking for
a contesting program.
73's
Rob
------------------------------
Date: Sat, 8 Apr 2000 18:32:24 +0200
From: "Gerry Pieterse" <tgerry@global.co.za>
Subject: Wanted: Used Kenwood TMV-7A
Wanted: Used Kenwood TMV-7A. Please reply directly to:
--
Kind regards
Gerry Pieterse
de ZS6GER
Tel: 27 11 888 1187
Fax: 27 11 888 1186
Cell: 082 443 0291
Snail Mail: 128 Seventh Street
Linden 2195
Johannesburg
South Africa
Best 73's
------------------------------
End of Ham-Digital Digest V2000 #101
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