Re: [LAD] embedded high end audio

2008-07-22 Thread Emanuel Rumpf
2008/7/22 porl sheean [EMAIL PROTECTED]:
 hi there everyone.

 i hope this is the right list for this, but i just had a question
 about embedded hardware.

this list has been more software-related so far
maybe a (google-) group as
   sci . electronics . components
could be more helpfull to you


 if i was wanting to develop a small (up to around 20cm square) device
 using an embedded linux setup, is there any high end (pro quality jack
 compatible) audio devices that are easily attainable? basically
 something like a high end adc/dac for minipci or something similar i
 suppose.


maybe something like this? :
http://diy4fun.blogspot.com/2008/04/make-sound-card-with-pcm2702.html

lots of dac's and adc's :

http://focus.ti.com/analog/docs/dataconvertershome.tsp?familyId=82contentType=4DCMP=TI_ErrorHQS=Other+OT+error_p_dc

looks hi-q:
http://focus.ti.com/docs/prod/folders/print/pcm1681.html#pricingpackaging


 ps. should this be posted to the users list instead, since i suppose
 it doesn't have a direct connection to linux development?

well...you want to use linux, don't you :-)
tell us, if your prototype is ready.
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Re: [LAD] embedded high end audio

2008-07-22 Thread porl sheean
thanks for the reply. i am still working out the feasibility of the
whole concept at the moment, but if it looks promising i'm sure i will
be asking more questions around here :P

thanks
porl

2008/7/23 Emanuel Rumpf [EMAIL PROTECTED]:
 2008/7/22 porl sheean [EMAIL PROTECTED]:
 hi there everyone.

 i hope this is the right list for this, but i just had a question
 about embedded hardware.

 this list has been more software-related so far
 maybe a (google-) group as
   sci . electronics . components
 could be more helpfull to you


 if i was wanting to develop a small (up to around 20cm square) device
 using an embedded linux setup, is there any high end (pro quality jack
 compatible) audio devices that are easily attainable? basically
 something like a high end adc/dac for minipci or something similar i
 suppose.


 maybe something like this? :
http://diy4fun.blogspot.com/2008/04/make-sound-card-with-pcm2702.html

 lots of dac's and adc's :

 http://focus.ti.com/analog/docs/dataconvertershome.tsp?familyId=82contentType=4DCMP=TI_ErrorHQS=Other+OT+error_p_dc

 looks hi-q:
http://focus.ti.com/docs/prod/folders/print/pcm1681.html#pricingpackaging


 ps. should this be posted to the users list instead, since i suppose
 it doesn't have a direct connection to linux development?

 well...you want to use linux, don't you :-)
 tell us, if your prototype is ready.
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 Linux-audio-dev@lists.linuxaudio.org
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[LAD] Writing a library?

2008-07-22 Thread Darren Landrum
I've been looking around for a library to read and write SFZ files, 
which is an open sampler format released by Cakewalk:

http://www.cakewalk.com/DevXchange/sfz.asp

Finding none, I thought I might try my hand at writing a library for 
this myself, as there is no embedded wave information like with Gig 
files. SFZ is simply a text file to be parsed.

Now, I know about writing a good header file, and its associated class, 
and all that, but I have no knowledge of how to write it as a dynamic 
library. Google searches on every possible permutation have been 
worthless to me as well.

I would prefer to write it in C++, as that's what I know, and even then, 
not too well, hence why I thought I'd start with something simple like 
parsing a text file. If anyone has any advice, recommendations, or 
ideas, I'll happily listen and learn. I have yet to think too much about 
how the data will be stored in the class, and what methods to make 
available to access it, so if anyone knows any best practices there, I'd 
really like to know. Consider this a feeler post.

I'd ultimately want this for a future project, which you can guess at by 
now.

Thank you for the help!

Regards,
Darren Landrum
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