[vorbis-dev] Vorbis 1.0 spec notes, part 2

Monty xiphmont at xiph.org
Thu Aug 8 16:15:41 PDT 2002



On Sat, Jul 20, 2002 at 10:45:54PM -0400, Kenneth Arnold wrote:
> Alright, a few more notes for today. Monty, if you could help get my
> CVS access restored / fixed, I can actually make all the little
> changes I find instead of putting the burdeon on you for everything,
> but I'll definately still have questions. However, I'd probably be
> able to incorporate answers to those sorts of questions into the spec
> documents also.

Send me a new ssh key and I'll get that fixed up.  You do have a key
and write access at the moment, I assume that key is lost?

> As per my question in the notes below, I'll probably be able to figure
> it out myself once I get to the part of the decode that uses it, but
> I think it really does need to be clearer in the spec.
> 
> codebook cont'd:
> * vector value decode: lookup type 1:
> - steps 1 and 2: zero->0, one->1

> * I'm confused about the vector value decodes --
>  what parameters do they take, what do they return,
>  and what is "this iteration's scalar value"?

I'm working on making this clearer now.

> vorbis-spec-ref.html:
> * identification header, paragraph under steps:
> - [audio_rate] -> [audio_sample_rate]

corrected 

> - inconsistent naming, upper vs. maximum, lower vs. (minimum?)

corrected 

> * time domain transforms
>  -  "if any other values" -> "if any value"

corrected 

> * floors
>  - variable 'i' is never defined (it's the loop iterator)

corrected 

>  - replace semicolon with colon after "read the floor type"

corrected 

Monty
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