> On Tue, Mar 13, 2012 at 10:24 AM, Damian Bevan <deebs67@...> wrote:
>> Hi Tom,
>> Thanks for the prompt and helpful advice. I have now tried changing the
>> seeds on the two noise blocks to different negative values (-42 and -99),
>> and it does indeed appear to have resolved the problem. Or having one
>> positive (+42) and one negative (-99) also solved the problem.
>> I think you are right that this should be in the documentation. At the
>> moment the documentation is very misleading, in that a) The default seed in
>> the GRC block is 42, which is a great number, but unfortunately is
>> positive, and b) the documentation when you click on the block says
>> "noise_source_c(gr_noise_type_t type, float ampl, long seed = 3021) ->
>> gr_noise_source_c_sptr", which again hints at a positive seed (i.e. of
>> Cheers, and thanks again.
> Thanks for getting back to me on this. I'm going to change the
> documentation to explain it.
> And I'm going to change the default values to 0 instead of 42/3201 since
> 0's as good as either of those. I don't want to set it negative, though,
> since that would change the output behavior of the block and someone might
> be relying on this for consistency in their measurements or something.
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