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| <H1>Basic command line switch reference</H1> |
| <br> |
| Only the most usual switches are described here. However those should be sufficient |
| for the vast majority of users. |
| <P> |
| <TABLE CELLPADDING=3 BORDER="1"> |
| <TR VALIGN="TOP"> |
| <TD ALIGN="LEFT" nowrap><b>switch</b></TD> |
| <TD ALIGN="LEFT" nowrap><b>parameter</b></TD> |
| </TR> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#-abr">--abr</a></kbd></td> |
| <td align="LEFT" nowrap>average bitrate encoding</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#b">-b</a></kbd></td> |
| <td align="LEFT" nowrap>bitrate (8...320)</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#-decode">--decode</a></kbd></td> |
| <td align="LEFT" nowrap>decoding only</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#f">-f</a></kbd></td> |
| <td align="LEFT" nowrap> fast mode</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#h">-h</a></kbd></td> |
| <td align="LEFT" nowrap>high quality</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#-help">--help</a></kbd></td> |
| <td align="LEFT" nowrap> help</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#m">-m m</a></kbd></td> |
| <td align="LEFT" nowrap>mono mode</td> |
| </tr> |
| <tr valign="TOP"> |
| <td align="LEFT" nowrap><kbd><a href="#V">-V</a></kbd></td> |
| <td align="LEFT" nowrap>VBR quality setting (0...9)</td> |
| </tr> |
| </TABLE> |
| <BR> |
| <dl> |
| <dt><strong>* <kbd>--abr n</kbd><a name="-abr"> average |
| bitrate encoding</a></strong> |
| </dl> |
| <dl> |
| <dd>Turns on encoding with a targeted average bitrate of n kbits, allowing to |
| use frames of different sizes. The allowed range of n is 8-320, you can use |
| any integer value within that range. |
| <dt><br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| </dl> |
| <dl> |
| <dt><strong>* <kbd>-b n</kbd><a name="b"> bitrate</a></strong> |
| </dt> |
| </dl> |
| <dl> |
| <dd>For MPEG1 (sampling frequencies of 32, 44.1 and 48 kHz)<br> |
| n = 32,40,48,56,64,80,96,112,128,160,192,224,256,320<br> |
| <br> |
| For MPEG2 (sampling frequencies of 16, 22.05 and 24 kHz)<br> |
| n = 8,16,24,32,40,48,56,64,80,96,112,128,144,160<br> |
| <br> |
| Default is 128 kbs for MPEG1 and 80 kbs for MPEG2. |
| <dt><br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| </dl> |
| <dl> |
| <dt><strong>* <kbd>--decode</kbd><a name="-decode"> decoding |
| only</a></strong> </dt> |
| </dl> |
| <dl> |
| <dd>Uses LAME for decoding to a WAV file. The input file can be any input type |
| supported by encoding, including layer I,II,III (MP3). |
| <dt><br> |
| <br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| <dl> </dl> |
| <dt><strong>* <kbd>-f</kbd><a name="f"> fast mode</a></strong> |
| </dt> |
| </dl> |
| <dl> |
| <dd> This switch forces the encoder to use a faster encoding mode, but with |
| a lower quality. |
| <dt><br> |
| <br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| <dl> </dl> |
| <dt><strong>* <kbd>-h</kbd><a name="h"> high quality</a></strong> |
| </dt> |
| </dl> |
| <dl> |
| <dd> Use some quality improvements. Encoding will be slower, but the result |
| will be of higher quality.<br> |
| This switch is always enabled when using VBR. |
| <dt><br> |
| <br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| <dl> </dl> |
| <dt><strong>* <kbd>--help</kbd><a name="-help"> help</a></strong> |
| </dt> |
| </dl> |
| <dl> |
| <dd> Display a list of all available options. |
| <dt><br> |
| <br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| <dl> </dl> |
| <dt><strong>* <kbd>-m m</kbd><a name="m"> mono |
| mode</a></strong> </dt> |
| </dl> |
| <dl> |
| <dd>The input will be encoded as a mono signal. |
| <dt><br> |
| <br> |
| </dt> |
| <hr width="50%" noshade align="center"> |
| <br> |
| <dl> </dl> |
| <dt><strong>* <kbd>-V 0...9</kbd><a name="V"> VBR quality |
| setting</a></strong></dt> |
| </dl> |
| <dl> |
| <dd> Enable VBR (Variable BitRate) and specifies the value of VBR quality.<br> |
| default=4<br> |
| 0=highest quality. |
| </dl> |
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