[wdmaudiodev] Looking for Audio specialist

  • From: "Peter Feucht" <p.feucht@xxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Mon, 2 Nov 2009 16:02:38 +0100

Ladies and Gentlemen,

We are manufacturer of devices for alternative medicine. 

Years ago we developped a system consisting of hardware (which can be
roughly seen as a wave player) and a software running under WIN XP on a

All this was working fine so far, but our customers want to switch to more
modern OS like Vista or WIN7 now and here our WIN software doesn't work any
The software has been developped by a contract IT specialist who is no
longer available. So I contacted other people here in our region to find out
where the problem is. The result was, that our software uses DirectSound
which is no longer available in modern OS (at least, that's what I was

For I by myself have nearly no experience with WIN programming I'm looking
for somebody who is specialiced in audio stuff.

To give some more details: 

1. Inside our hardware we are using a TI codec type 2902 which has a USB
front end, which is connected to the laptop. One problem is, that TI
supports this IC not very well, means, there are no special drivers
available, so we have to use generic drivers.

2. We are working with standard audio format (16Bit, Stereo, 44,1KSa) but we
have to be able to send very short waves (e.g. 50ms long), so there must be
a possibility to erase data which are already in the audio stack OR the
stack must be very short and the driver has to be so fast, that it delivers
new data fast enough to ensure a non interrupted audio stream of up to about
30 seconds.

3. Our wave data output has to be totally undisturbed from any other stuff
like WIN "dings".

4. It must be possible to use up to 4 devices simultaneously on one laptop,
using 4 USB ports or connected via a hub.

5. The audio data is partly generated "on the fly", means, it's not just a
playback of music files sitting somewhere on a hard disc, but often the
waves are generated by special algorithms and then held in arrays.

6. The software was written in VisualBasic .NET.

So if anybody is interested in working with us, please let me know. For all
this is not my field of expertise (I'm the hardware guy...) I'd prefer a
German (speaking) person, best here in the Southern part of Germany, so
personal meetings could take place without problems.

Hoping for some resonance I remain

With kind regards

Peter Feucht

mit freundlichen Grüßen
Dipl.-Ing.(FH) Peter Feucht
Daloserweg 2
D-89134 Blaustein, Germany
Tel.     +49 - (0)7304 - 96 87 60
Fax.    +49 - (0)7304 - 96 87 62
email  info@xxxxxxxxxxxxxxxxxxxxxxxx
web    www.palmed-medizintechnik.de
AG Ulm; HRB 3296
Sitz der Gesellschaft: Blaustein
Geschäftsführer: Dipl.-Ing.(FH) Peter Feucht
Geschäftsführer: Albert Harder
Ust-ID-Nr.  DE-181 011 857


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