Subject: Re: [linux-audio-dev] audio project
From: Martin Wolters (martinw_AT_atc.creative.com)
Date: Wed May 08 2002 - 23:58:41 EEST
Did you also check the ALSA HowTo from Nagorni:
http://www.suse.de/~mana/alsa090_howto.html
-M
Henry Gomersall wrote:
>I am new to this mailing list so forgive me if this has been answered 20
>times previously.
>
>I am new to C programming (although not new to programming in general).
>In fact, this is my first real project and my motivation for learning C.
>So please forgive me if this is obvious. It is just I have found the
>ALSA documentation fairly cryptic.
>
>Essentially all I require is a function that returns a block of data
>from the mic in on my sound card for further processing (namely a DFT).I
>need to capture this data at regular intervals. So let's say I sample at
>44kHz and do a 1024 sample FFT, I need a function that returns to me the
>data every time a new 1024 sample block is available - which i can then
>pass to my FFT function.
>
>I have been looking at ALSA for this. Is this the best option?
>
>Any help at all (however apparently trivial) would be much appreciated.
>
>Many Thanks
>
>Henry Gomersall
>
>
>
-- Martin Wolters Creative ATC 1500 Green Hills Road Scotts Valley, CA 95066 Phone: ++1 (831) 440-2848 Fax: ++1 (831) 440-2882
This archive was generated by hypermail 2b28 : Thu May 09 2002 - 14:01:01 EEST