diff --git a/doc/comparison.html b/doc/comparison.html
index 6c3ccbe7..f243010c 100644
--- a/doc/comparison.html
+++ b/doc/comparison.html
@@ -397,7 +397,7 @@
 		<TR><TD>LPAC 1.20 (-r, normal)</TD><TD>20:49.34</TD><TD>393.16 MB</TD><TD>0.5223</TD></TR>
 		<TR BGCOLOR="#D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>88:20.18</TD><TD>393.12 MB</TD><TD>0.5223</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>109:27.86</TD><TD>393.93 MB</TD><TD>0.5234</TD></TR>
-		<TR BGCOLOR="#D3D4C5"><TD>flac 0.5 (-6)</TD><TD>41:11.46</TD><TD>399.30 MB</TD><TD>0.5305</TD></TR>
+		<TR BGCOLOR="#D3D4C5"><TD>flac 0.5 (-6)</TD><TD>53:58.80</TD><TD>397.78 MB</TD><TD>0.5284</TD></TR>
 		<TR><TD>WavPack 3.6 (high)</TD><TD>10:05.48</TD><TD>403.70 MB</TD><TD>0.5363</TD></TR>
 		<TR BGCOLOR="#D3D4C5"><TD>Kexis 0.2.2</TD><TD>17:17.42</TD><TD>416.93 MB</TD><TD>0.5539</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>6:41.17</TD><TD>417.24 MB</TD><TD>0.5543</TD></TR>
@@ -439,7 +439,7 @@
 		<TR><TD>Monkey's Audio (high)</TD><TD>0:41.98</TD><TD>43.85 MB</TD><TD>0.7500</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>8:12.44</TD><TD>43.87 MB</TD><TD>0.7503</TD></TR>
 		<TR><TD>RKAU 1.06 (normal)</TD><TD>2:59.56</TD><TD>43.88 MB</TD><TD>0.7504</TD></TR>
-		<TR BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>3:13.55</TD><TD>44.38 MB</TD><TD>0.7591</TD></TR>
+		<TD BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>4:14.51</TD><TD>44.38 MB</TD><TD>0.7590</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, high)</TD><TD>6:51.24</TD><TD>44.42 MB</TD><TD>0.7598</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:45.72</TD><TD>44.44 MB</TD><TD>0.7601</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>7:50.80</TD><TD>44.44 MB</TD><TD>0.7601</TD></TR>
@@ -462,7 +462,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:52.22</TD><TD>40.57 MB</TD><TD>0.6314</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, high)</TD><TD>7:36.55</TD><TD>40.61 MB</TD><TD>0.6320</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>9:49.64</TD><TD>40.71 MB</TD><TD>0.6336</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>3:35.02</TD><TD>41.01 MB</TD><TD>0.6383</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>4:42.34</TD><TD>40.99 MB</TD><TD>0.6379</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:52.37</TD><TD>41.72 MB</TD><TD>0.6492</TD></TR>
 		<TR><TD>Kexis 0.2.2</TD><TD>1:30.85</TD><TD>42.75 MB</TD><TD>0.6652</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:50.22</TD><TD>43.05 MB</TD><TD>0.6701</TD></TR>
@@ -481,7 +481,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>6:04.27</TD><TD>23.95 MB</TD><TD>0.7175</TD></TR>
 		<TR><TD>RKAU 1.06 (normal)</TD><TD>1:32.20</TD><TD>24.04 MB</TD><TD>0.7202</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>3:21.70</TD><TD>24.04 MB</TD><TD>0.7202</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>1:50.43</TD><TD>24.31 MB</TD><TD>0.7285</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>2:25.87</TD><TD>24.31 MB</TD><TD>0.7283</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:27.03</TD><TD>25.12 MB</TD><TD>0.7525</TD></TR>
 		<TR><TD>WavPack 3.6 (high)</TD><TD>0:28.07</TD><TD>25.44 MB</TD><TD>0.7621</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Kexis 0.2.2</TD><TD>0:47.07</TD><TD>26.03 MB</TD><TD>0.7799</TD></TR>
@@ -500,7 +500,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:07.58</TD><TD>23.45 MB</TD><TD>0.6000</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, high)</TD><TD>4:47.03</TD><TD>23.49 MB</TD><TD>0.6008</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>5:50.53</TD><TD>23.52 MB</TD><TD>0.6016</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>2:10.43</TD><TD>23.55 MB</TD><TD>0.6023</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>2:52.49</TD><TD>23.52 MB</TD><TD>0.6017</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:31.44</TD><TD>24.30 MB</TD><TD>0.6217</TD></TR>
 		<TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:30.45</TD><TD>24.72 MB</TD><TD>0.6324</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Kexis 0.2.2</TD><TD>0:55.13</TD><TD>24.80 MB</TD><TD>0.6345</TD></TR>
@@ -514,7 +514,7 @@
 		</TR>
 		<TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:15.79</TD><TD>30.12 MB</TD><TD>0.6670</TD></TR>
 		<TR><TD>Monkey's Audio (high)</TD><TD>0:29.68</TD><TD>30.32 MB</TD><TD>0.6716</TD></TR>
-		<TR BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>2:35.05</TD><TD>30.82 MB</TD><TD>0.6825</TD></TR>
+		<TD BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>3:24.43</TD><TD>30.80 MB</TD><TD>0.6821</TD></TR>
 		<TR><TD>RKAU 1.06 (high)</TD><TD>6:52.69</TD><TD>30.83 MB</TD><TD>0.6828</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (normal)</TD><TD>2:41.42</TD><TD>30.87 MB</TD><TD>0.6837</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, normal)</TD><TD>1:20.29</TD><TD>31.03 MB</TD><TD>0.6871</TD></TR>
@@ -536,7 +536,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:28.45</TD><TD>34.65 MB</TD><TD>0.6535</TD></TR>
 		<TR><TD>Monkey's Audio (high)</TD><TD>0:24.17</TD><TD>34.91 MB</TD><TD>0.6586</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:34.16</TD><TD>35.10 MB</TD><TD>0.6621</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>3:00.29</TD><TD>35.14 MB</TD><TD>0.6629</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>3:57.30</TD><TD>35.14 MB</TD><TD>0.6628</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>6:39.29</TD><TD>35.17 MB</TD><TD>0.6633</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>7:39.28</TD><TD>35.19 MB</TD><TD>0.6638</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:40.44</TD><TD>35.39 MB</TD><TD>0.6676</TD></TR>
@@ -557,7 +557,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>3:06.27</TD><TD>7.48 MB</TD><TD>0.3591</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, high)</TD><TD>2:21.16</TD><TD>7.48 MB</TD><TD>0.3593</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (high)</TD><TD>0:12.58</TD><TD>7.56 MB</TD><TD>0.3634</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>1:02.16</TD><TD>7.82 MB</TD><TD>0.3755</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>1:21.78</TD><TD>7.69 MB</TD><TD>0.3694</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:16.11</TD><TD>7.99 MB</TD><TD>0.3838</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:07.92</TD><TD>8.16 MB</TD><TD>0.3921</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:13.88</TD><TD>8.28 MB</TD><TD>0.3977</TD></TR>
@@ -577,7 +577,7 @@
 		<TR><TD>LPAC 1.20 (-r, normal)</TD><TD>1:28.02</TD><TD>22.32 MB</TD><TD>0.3972</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>8:13.86</TD><TD>22.38 MB</TD><TD>0.3983</TD></TR>
 		<TR><TD>WavPack 3.6 (high)</TD><TD>0:43.84</TD><TD>22.53 MB</TD><TD>0.4010</TD></TR>
-		<TR BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>3:00.34</TD><TD>22.85 MB</TD><TD>0.4067</TD></TR>
+		<TD BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>3:53.28</TD><TD>22.63 MB</TD><TD>0.4028</TD></TR>
 		<TR><TD>Kexis 0.2.2</TD><TD>1:14.81</TD><TD>23.42 MB</TD><TD>0.4168</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:29.33</TD><TD>23.63 MB</TD><TD>0.4205</TD></TR>
 		<TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:38.05</TD><TD>25.58 MB</TD><TD>0.4552</TD></TR>
@@ -596,7 +596,7 @@
 		<TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>12:18.79</TD><TD>35.83 MB</TD><TD>0.3558</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>2:33.43</TD><TD>36.05 MB</TD><TD>0.3580</TD></TR>
 		<TR><TD>WavPack 3.6 (high)</TD><TD>1:17.06</TD><TD>37.88 MB</TD><TD>0.3762</TD></TR>
-		<TR BGCOLOR="D3D4C5"><TD>flac 0.4 (-6)</TD><TD>5:15.13</TD><TD>38.56 MB</TD><TD>0.3830</TD></TR>
+		<TD BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>6:44.91</TD><TD>38.07 MB</TD><TD>0.3781</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:50.03</TD><TD>39.34 MB</TD><TD>0.3907</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Kexis 0.2.2</TD><TD>2:12.79</TD><TD>39.89 MB</TD><TD>0.3962</TD></TR>
 		<TR><TD>WaveZIP</TD><TD>1:05.60</TD><TD>43.67 MB</TD><TD>0.4337</TD></TR>
@@ -615,7 +615,7 @@
 		<TR><TD>RKAU 1.06 (normal)</TD><TD>1:58.42</TD><TD>10.97 MB</TD><TD>0.3994</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>5:20.71</TD><TD>11.21 MB</TD><TD>0.4083</TD></TR>
 		<TR><TD>WavPack 3.6 (high)</TD><TD>0:22.32</TD><TD>11.52 MB</TD><TD>0.4193</TD></TR>
-		<TR BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>1:26.66</TD><TD>11.77 MB</TD><TD>0.4285</TD></TR>
+		<TD BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>1:50.54</TD><TD>11.69 MB</TD><TD>0.4257</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:13.56</TD><TD>12.01 MB</TD><TD>0.4374</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Kexis 0.2.2</TD><TD>0:37.61</TD><TD>12.14 MB</TD><TD>0.4419</TD></TR>
 		<TR><TD>WaveZIP</TD><TD>0:18.75</TD><TD>13.08 MB</TD><TD>0.4765</TD></TR>
@@ -633,7 +633,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>0:25.98</TD><TD>7.27 MB</TD><TD>0.4436</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, high)</TD><TD>2:21.30</TD><TD>7.34 MB</TD><TD>0.4480</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>3:00.91</TD><TD>7.38 MB</TD><TD>0.4500</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>0:53.18</TD><TD>7.41 MB</TD><TD>0.4519</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>1:09.15</TD><TD>7.38 MB</TD><TD>0.4503</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:13.17</TD><TD>7.41 MB</TD><TD>0.4520</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:07.99</TD><TD>7.47 MB</TD><TD>0.4558</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Kexis 0.2.2</TD><TD>0:21.79</TD><TD>7.50 MB</TD><TD>0.4572</TD></TR>
@@ -651,8 +651,8 @@
 		<TR><TD>Monkey's Audio (high)</TD><TD>0:15.69</TD><TD>12.68 MB</TD><TD>0.5228</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>0:41.22</TD><TD>12.75 MB</TD><TD>0.5253</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, high)</TD><TD>3:40.65</TD><TD>12.88 MB</TD><TD>0.5309</TD></TR>
-		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>4:53.81</TD><TD>12.92 MB</TD><TD>0.5323</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>1:22.09</TD><TD>12.92 MB</TD><TD>0.5324</TD></TR>
+		<TD BGCOLOR="D3D4C5"><TD>flac 0.5 (-6)</TD><TD>1:48.28</TD><TD>12.90 MB</TD><TD>0.5318</TD></TR>
+		<TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>4:53.81</TD><TD>12.92 MB</TD><TD>0.5323</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:20.21</TD><TD>13.15 MB</TD><TD>0.5420</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:12.71</TD><TD>13.28 MB</TD><TD>0.5475</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Kexis 0.2.2</TD><TD>0:34.04</TD><TD>13.30 MB</TD><TD>0.5481</TD></TR>
@@ -671,7 +671,7 @@
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>23:13.96</TD><TD>97.80 MB</TD><TD>0.4579</TD></TR>
 		<TR><TD>LPAC 1.20 (-r, normal)</TD><TD>5:46.84</TD><TD>98.04 MB</TD><TD>0.4590</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>30:04.06</TD><TD>98.10 MB</TD><TD>0.4593</TD></TR>
-		<TR><TD>flac 0.5 (-6)</TD><TD>11:47.13</TD><TD>98.76 MB</TD><TD>0.4624</TD></TR>
+		<TD><TD>flac 0.5 (-6)</TD><TD>15:33.92</TD><TD>98.28 MB</TD><TD>0.4601</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>2:50.35</TD><TD>99.53 MB</TD><TD>0.4660</TD></TR>
 		<TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>1:53.28</TD><TD>102.54 MB</TD><TD>0.4801</TD></TR>
 		<TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>2:34.37</TD><TD>102.59 MB</TD><TD>0.4803</TD></TR>