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Date:      Thu, 31 Dec 2009 13:52:07 -0500
From:      Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
To:        Gary Kline <kline@thought.org>
Cc:        FreeBSD Mailing List <freebsd-questions@FreeBSD.ORG>
Subject:   Re: is there a way to convert an audio file into a char array?
Message-ID:  <447hs3kmco.fsf@be-well.ilk.org>
In-Reply-To: <20091231093637.GA1832@thought.org> (Gary Kline's message of "Thu, 31 Dec 2009 01:36:40 -0800")
References:  <20091231093637.GA1832@thought.org>

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Gary Kline <kline@thought.org> writes:

> 	In working toward my goal of writing a keyboard driver with builtin
> 	clicks, I'm investigating different angles.  One would be to find
> 	existing audio files and catting then thru /dev/dsp.  
>
> 	Is there a way of turning any audio file/format into a character
> 	array---in the way that a graphic can be turned into a character
> 	array?
> 	
> 	For example, I turned the graphic of a small arrow to the following:
>
> unsigned char uparrow_bits[] = {
>    0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f, 0xf8, 0x1f, 0xfc, 0x3f,
>    0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f};
>
> 	Are there tools to do the same with a .au or .wav file?

od(1), but that would be silly.  Just have your program open the file
and read it in.

-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/



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