[vorbis-dev] Psycho-acoustics research

[Chris Riddoch]

Segher Boessenkool <segher at chello.nl> writes:

> > My idea so far is to record several speakers producing minimal pairs
> > (such as 'zip' and 'sip') and to compress the sound under different
> 
> Those are not minimal combinations; minimal combinations are
> "two letter" sounds, like "zi" and "ip".

Right, but I didn't say minimal combinations.  According to the
textbook I'm using for the linguistics class this semester:

: A minimal pair consists of two forms with distinct meanings that
: differ by only one segment found in the same position in each
: form. The examples [sip] and [zip] given previously form a minimal
: pair and show that the sounds [s] and [z] contrast in English.

> In my experience, Vorbis is worst with plosive sounds.

That's helpful to know, thanks!

> But different codecs have their own problems.  And it varies with
> listener, too.

I'd like to try a few comparisons, then.

> Vorbis is not a speech codec, so this won't directly help Vorbis.
> But it might certainly be helpful by giving further insights in what
> we do and don't do well, right now.

I kinda figured this would be the case, but I decided it would be
useful to compare some speech codecs with some non-speech ones. Thanks
for the pointers!


-- 
Chris Riddoch       | epistemological
socket at peakpeak.com | humility

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