Re: multitasking

[Glenn English <ghe2001@gmail.com>]

On Tue, Oct 24, 2017 at 7:44 PM, Jeremy Nicoll - ml sox users
<jn.ml.sxu.88@wingsandbeaks.org.uk> wrote:

> I can't answer the question, but I think whoever does will need to know
> more.  Are these multiple capabilities needed on different pieces of
> audio, but all being processed at the same time?

No, just one hugish (1G++) flac file, processed in several different ways.

> Or do you mean that for one audio source a whole sequence of things
> are to be done to it?

Got it :-)

>  - which seems to me to be one sox command with various effects
>    coded one afetr another

That's another possibility, but it takes a very long time to cat a
billion little flacs into a single or mp3 it, so I assumed it'd take a
long time to eq or compress the huge flac, so I wanted to do several
things in parallel. That's not a deal killer because this program is
being designed to do the SoX part(s) of the job with no human
intervention. But I'd like to get its job done overnight.

> There two sorts of chain mentioned; one is the "chain of effects" which
> is (I think) analogous to having a whole series of effects boxes wired
> up so that sound after it is processed by the first box is cabled to
> the next box which does something else, then that output is cabled to
> the next one...   Anywhere you see a series of effects each with their
> parameters specified, is that sort of chain.
>
> Effects like normalisation, eq etc happen in the order you specify them,
> except for the automatic processing implicit in various ways (say) of
> combining input files.  (I think.)

That's what I was assuming (hoping) for. Self sorting of the order of
effects works for me.

> The ones with ":" between them confuse me too.  Although I can sort of
> see how the ones in the manual might work, I don't think I'm capable of
> working out other ways to use ":".

Maybe I'll play around with different ways of dealing with things in
hopes of finding out what works. Unless someone more knowledgeable
than you and me comes along and saves me a week of futzing.

> --
> Jeremy Nicoll - my opinions are my own

Thank you for your opinions :-)

--
Glenn English

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