Yeah, that would work if you want to dictate the VBR level instead of
the bitrate. But I think that most people using bitrate limiting really
are using it to limit the streaming bitrate. Either to deal with a
limited bandwidth internet connection (streaming from their home LMS
server), or to else to deal with wifi bandwidth issues.
VBR levels don't actually have a target bitrate. For example, I was
doing some testing of LAME recently and found that different versions
and different files can produce surprisingly different overall bitrates.
These are the resulting bitrates of just a small pert of that test:
Code:
--------------------
Del McCoury - Rambling Boy.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 242 212 192 176 161 144 129 107 94
3.99.5 266 226 193 177 155 130 111 102 89
Dizzy Gillespie - Manteca.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 246 221 201 180 167 152 137 116 101
3.99.5 263 224 196 181 162 139 119 108 94
Ella Fitzgerald - Anything Goes.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 167 144 131 116 107 96 87 72 63
3.99.5 187 159 137 123 109 92 79 71 60
George Baker Selection - Little Green Bag.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 256 233 213 184 170 157 141 121 107
3.99.5 268 235 205 190 171 150 133 120 98
George Jones - She Thinks I Still Care.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 231 198 178 161 148 134 121 105 93
3.99.5 264 212 180 166 147 127 110 102 87
Jack Johnson - Better Together.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 242 215 194 166 152 137 123 105 93
3.99.5 263 227 193 172 152 130 113 103 87
Jimmy Cliff - Ska All Over The World.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 227 207 191 179 166 151 135 114 100
3.99.5 249 218 191 179 160 133 113 105 93
John Coltrane - Giant Steps.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 269 227 203 184 171 156 140 126 113
3.99.5 292 238 201 187 167 145 126 121 102
Johnny Winter - Mojo Boogie.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 256 224 200 171 156 142 131 106 100
3.99.5 284 232 193 170 150 130 114 98 77
Kanye West - Gold Digger.wav
-V0 -V1 -V2 -V3 -V4 -V5 -V6 -V7 -V8
3.98.4 220 190 172 147 137 125 115 95 87
3.99.5 249 213 178 159 143 125 109 96 77
--------------------
------------------------------------------------------------------------
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