[MPlayer-users] speed/bitrates with mp3lame vbr, varying q and aq

[HR]

Next test, re-encoding a mpeg 1, layer II stream. The results are more
or less the same, except for slightly higher bitrates when using lower
quality. Maybe worth noting that q=0,1 are slightly faster than the
rest.

HR


Original source: TV card, 29.970 NTSC (no idea if this was from
satelite, cable or whatever)
Encoding source: MPEG 1.0, Layer II, 44100 Hz 224 kbit Stereo, BPF: 732
Length: 95654 frames, approx 2499 seconds
Target: lame vbr=4 (mtrh) mp3


BITRATES
--------

frameno-q=0:aq=0.avi => audio bitrate 153064 bps
frameno-q=1:aq=0.avi => audio bitrate 149632 bps
frameno-q=2:aq=0.avi => audio bitrate 123272 bps
frameno-q=3:aq=0.avi => audio bitrate 120368 bps
frameno-q=4:aq=0.avi => audio bitrate 117376 bps
frameno-q=5:aq=0.avi => audio bitrate 114432 bps
frameno-q=6:aq=0.avi => audio bitrate 111400 bps
frameno-q=7:aq=0.avi => audio bitrate 107320 bps
frameno-q=8:aq=0.avi => audio bitrate 101200 bps
frameno-q=9:aq=0.avi => audio bitrate 120368 bps


SPEED
-----

--------------------
Encoding with q=9:aq=0

real	12m1.542s
user	10m43.160s
sys	0m26.190s


--------------------
Encoding with q=8:aq=0

real	13m49.691s
user	10m34.480s
sys	0m17.100s


--------------------
Encoding with q=7:aq=0

real	13m52.358s
user	10m36.720s
sys	0m19.980s


--------------------
Encoding with q=6:aq=0

real	11m49.102s
user	10m22.550s
sys	0m16.570s


--------------------
Encoding with q=5:aq=0

real	13m24.554s
user	10m43.290s
sys	0m18.470s


--------------------
Encoding with q=4:aq=0

real	14m9.711s
user	10m50.430s
sys	0m16.030s


--------------------
Encoding with q=3:aq=0

real	14m22.067s
user	10m54.160s
sys	0m18.050s


--------------------
Encoding with q=2:aq=0

real	11m56.143s
user	10m33.950s
sys	0m18.270s


--------------------
Encoding with q=1:aq=0

real	12m34.843s
user	9m52.290s
sys	0m18.340s


--------------------
Encoding with q=0:aq=0

real	13m8.347s
user	10m1.800s
sys	0m16.400s


--------------------
Encoding with q=9:aq=2

real	14m13.814s
user	10m53.170s
sys	0m19.700s


--------------------
Encoding with q=8:aq=2

real	11m23.879s
user	10m10.430s
sys	0m17.800s


--------------------
Encoding with q=7:aq=2

real	10m32.217s
user	10m7.530s
sys	0m14.200s


--------------------
Encoding with q=6:aq=2

real	10m41.097s
user	10m14.260s
sys	0m16.930s


--------------------
Encoding with q=5:aq=2

real	10m41.101s
user	10m13.630s
sys	0m17.140s


--------------------
Encoding with q=4:aq=2

real	10m53.714s
user	10m25.480s
sys	0m14.990s


--------------------
Encoding with q=3:aq=2

real	10m45.237s
user	10m16.650s
sys	0m17.130s


--------------------
Encoding with q=2:aq=2

real	10m52.322s
user	10m25.980s
sys	0m13.050s


--------------------
Encoding with q=1:aq=2

real	10m0.391s
user	9m28.840s
sys	0m16.100s


--------------------
Encoding with q=0:aq=2

real	9m57.662s
user	9m27.150s
sys	0m16.370s