A simple-to-use sound file writer
__peter__ at web.de
Thu Jan 14 17:02:14 CET 2010
Alf P. Steinbach wrote:
> Just as a contribution, since someone hinted that I haven't really
> contributed much to the Python community.
> The [simple_sound] code will probably go into my ch 3 at <url:
> http://tinyurl.com/programmingbookP3>, but sans sine wave generation since
> I haven't yet discussed trig functions, and maybe /with/ changes suggested
> by you?
> def _append_as_big_endian_int16_to( a, i ):
> if i < 0:
> i = i + 65536
> assert( 0 <= i < 65536 )
> a.append( i // 256 )
> a.append( i % 256 )
> data = array.array( "B" ) # B -> unsigned bytes.
Do you know that array.array() supports 16 bit signed integers? There's even
a byteswap() method to deal with endianess.
> Utility class that may be used to capture output (an instance of this or
> any other file like class can be passed as "filename" to
> class BytesCollector:
Are you reinventing io.BytesIO() here?
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