Thanks for your answer Mr Drung. That's fine for me too. The use of kB/s is also correct.
Note that "k" for kilo (=1000 times) and "K" is for Kelvin (= a metric for temperature). So "k" is correct because it should be in lowercase. And "s" is also correct because it should be in lowercase to means "second" (=a metric for time). More details could be seen at http://en.wikipedia.org/wiki/International_system_of_units But the binary prefix for amount of data metric does not have a good standard yet. The National Institute of Standards and Technology in the United States has suggested the use of bit for bits and B for byte but (in January 1999) created a new designation for binary prefixes. The IEEE Standards Board decided that IEEE standards will use the conventional, internationally adopted, definitions of the SI prefixes.(see details at http://en.wikipedia.org/wiki/SI_prefix#Units_used_in_computing_and_telecommunications ). So 8 kbps = 8 kb/s = 1 kB/s = 8000 bits per second. Then the metric kB/s can be used. The only metric that is not acceptable is k/s, because it is for frequency and k/s = 1000 x 1/s = 1000 Hz = 1 kHz. :-) Thanks for your attention. Romulo On Sun, May 16, 2010 at 7:52 AM, Benjamin Drung <[email protected]> wrote: > Am Samstag, den 15.05.2010, 15:12 -0300 schrieb Romulo Curty Cerqueira: > > Dear Mrs > > > > First of all, I would like to thank you for this kind software. > > > > I would also like to give you a comment to get a better usage of it. > > > > I saw that you write "k/s" for speed metric, but it is not meaningfull > > because k means only "kilo" and it means 1000 times something, as > > bellow: > > > > Retrieving video data: 0.4% ( 310.00k of 74.95M) at 421.32k/s ETA > > 03:01 > > > > I think it should be better to write "kbps" (kilo bits per second), > > the most used in the market, as bellow: > > > > Retrieving video data: 0.4% ( 310.00k of 74.95M) at 421.32 kbps ETA > > 03:01 > > IMO youtube-dl should follow Ubuntu's units policy [1] and use kB/s. > > [1] https://wiki.ubuntu.com/UnitsPolicy > > -- > Benjamin Drung > Ubuntu Developer (www.ubuntu.com) | Debian Maintainer (www.debian.org) >
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