search for: codecperformancecomparison

Displaying 2 results from an estimated 2 matches for "codecperformancecomparison".

2014 Sep 22
2
Retuning compression levels
Erik de Castro Lopo wrote: >> Currently, compression settings are as follows >> >> -6, -l 8 -b 4096 -m -r 6-A tukey(0.5) >> -7, -l 8 -b 4096 -m -e -r 6-A tukey(0.5) >> -8, -l 12 -b 4096 -m -e -r 6-A tukey(0.5) >> >> I suggest the following, in case my previous patch is accepted >> >> -6, -l 8 -b 4096 -m -r 6 -A tukey(0.5);partial_tukey(2)
2014 Sep 22
2
Retuning compression levels
...would make the decoding of -7 as CPU-intensive as -8 is > now. Seeing that all FLAC-capable hardware that I know of has > been decoding -8 without problems for years, there's probably no > harm done with changing this too. > > Any thoughts? From <http://www.rockbox.org/wiki/CodecPerformanceComparison> it seems that the decoding of -8 is about 6% slower than -5. Sometimes the difference is bigger but doesn't exceed 10%. The only exception is "Freescale i.MX21 (454MHz ARM926EJ?-S, Fuze+)": 43x vs 35x realtime. But the decoding time is so small (4 sec vs 5 sec) that it can be som...