[vorbis] Re: [vorbis-dev] compressed audio tutorial - "major" update

[Hongli Lai]

"with each change in 10 dB corresponding to a doubling of the volume."

That's strange. My physics schoolbook tells me that each change in 3 dB 
corresponds to a doubling.

<p>Graham Mitchell wrote:
> I've made a large update to the introduction to compressed audio.  I 
> completely rewrote the first section, which I wasn't happy with.  It now 
> features two diagrams (worth 1000 words each!), and is broken up into a 
> couple of sections.
> 
> http://cs.leander.isd.tenet.edu/~mitchell/vorbis_intro.html
> 
> I have also continued to tweak other sections based on feedback from email 
> and this forum.  All the feedback has been very helpful.
> 
> If you could all read at least the first two sections (the new ones).  Anyone 
> wanting nitty gritty on the other changes can see the version history at the 
> bottom.  Here is the list of what's been done since my last mention here:
> 
> 	* modified end of "Just Say No to Bitrates" to clarify that Vorbis doesn't
> 	  target any specific bitrate when quality settings are used.  Includes
> 	  large verbatim quote from an email by Carsten Haese
> 	* capitalized section headers throughout
> 	* added final paragraph to "Transcoding" section
> 	* colloquial improvements: removed "folks" and first-person references
> 	* reworded a few sentences ending in prepositions
> 	* simplified sentence mentioning flac
> 	* put list of topics into introduction
> 	* changed "nearly 10 megabytes" to "approximately 10 megabytes"
> 	* wrong word in 2nd paragraph of "ABR/CBR/VBR" ("give" -> "gives")
> 
> By the way, the diagrams were my first try at making images in The GIMP, and 
> I couldn't figure out how to ensure the PNGs had transparent backgrounds.  If 
> they don't already, I'd appreciate some steps on how to do that.
> 
> By the way, the initial sine waves were generated using some very ugly Java 
> and then screen captured, touched up and labelled.
> 
> http://cs.leander.isd.tenet.edu/~mitchell/SineWave.java
> 
> 

<p><p><p><p><p>--- >8 ----
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