Eric Wong <normalper...@yhbt.net> writes:

> Måns Rullgård <m...@mansr.com> wrote:
>> There are some fixes and improvements in my github repo at
>> https://github.com/mansr/sox
>> 
>> You probably want to grab those as well.
>
> Thanks. I've split them into 3 topics (mr/{dsd,build,pad})
> for easier review on my repo @ git://80x24.org/sox.git
>
> I couldn't test the MSVC build patch, but it looked obvious enough.
>
> I actually haven't tested the dop effect, either, and am not
> sure how to use it.  I can only get it to play static with
> a file I created:
>
>   sox test.dsf -r 176.4k -p dop | play -p

You need a DAC that supports the format.  If yours doesn't you'll get
static.  The purpose of dop is to wrap DSD data for transport to a DAC
over a non-DSD-aware link.

> Resampling the intermediate data to 48k still plays static:
>
>   sox test.dsf -r 176.4k -p dop | sox -p -r48k -p | play -p

That makes no sense.  The dop output should not be touched further.

> This sounds fine:
>
>   sox test.dsf -r 48k -p | play -p

There you're downsampling the DSD stream to 48k in software and playing
it the normal way.

-- 
Måns Rullgård

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