Looking for iphone developer to solve LTC signal processing problem
Looking for iphone developer to solve LTC signal processing problem
- Subject: Looking for iphone developer to solve LTC signal processing problem
- From: Chris Beeson <email@hidden>
- Date: Thu, 03 Sep 2009 22:54:42 +0100
Hi,
I recently commissioned the development of a small C library to decode
an LTC SMTPE audio stream.
The code works perfectly when fed with WAV files using the libraries
own WAV import functions.
The problem is that it does not work with captured audio using the
iPhone Audio Services API in a real-time environment - ie. capture the
audio then feed the pointer to the library.
But it does work if I capture the audio signal using the API, save it
as a WAV file and then import using the commissioned C Library WAV
import function.
There must be a difference in the way the data is stored in memory but
cannot work out what....
I know that my C library requires floats (which is not supported by
the iPhone AS API) so there is a really clunky by of code to convert
the samples, but apart from that I'm stuck...
To be honest though, this project is completlely out of the scope of
my knowledge and I really need an expert to fix my problem...
I am only a small single developer but some funds could be found if
you are willing to undertake the task.
All I'm looking for is a solution.... nothing more.....
Thanks in advance
Chris
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