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<!DOCTYPE html PUBLIC "-//w3c//dtd html 4.0 transitional//en"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta name="GENERATOR" content="Mozilla/4.7 [en] (X11; I; Linux 2.2.12-20 i686) [Netscape]"><meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"><title>LAME Changelog</title></head><body text="#000000" bgcolor="#ffffff" link="#888888" vlink="#555555" alink="#bbbbbb"><center> <h1> History</h1></center>Starting with LAME 3.0: <br><font color="#ff0000">red = features and bug fixes which affect quality</font> <br><font color="#3366ff">blue = features and bug fixes which affect speed</font> <br>black = usability, portability, other <hr><h3>LAME 3.97 beta 2 November 26 2005</h3><ul> <li>Gabriel Bouvigne: <ul> <li>Fixed an initialization error when input is not using a standard sampling frequency</li> <li>Fixed a possible assertion failure in very low bitrate encoding</li> <li><font color="#ff0000">Slight change regarding ATH adjustment with V5</font></li> <li><font color="#ff0000">Reinstated bit reservoir for 320kbps CBR</font></li> <li><font color="#3366ff">ReplayGain analysis should now be faster when encountering silent parts</font></li> </ul> </li> <li>Takehiro Tominaga: <ul> <li>Fixed a possible link problem of assembly code</li> </ul> </li></ul><br><h3>LAME 3.97 beta 1 September 12 2005</h3><ul> <li>Takehiro Tominaga: <ul> <li>Fixed an out of array access in mp3rtp <li><font color="#ff0000">Fixed a quality setting in DLL</font></li> <li>Fixed display when using --silent</li> </ul> </li> <li>Vitaly Ivanov: <ul> <li>Updated DirectShow interface</li> </ul> </li> <li>Robert Hegemann: <ul> <li><font color="#ff0000">Fixed an out of array access</font></li> <li><font color="#ff0000">Fixed some small rounding problem in vbr-new quantization routines</font></li> <li><font color="#ff0000">Fixed a bug in vbr-new regarding high frequencies (sfb21) when using -Y</font></li> <li><font color="#ff0000">Fixed a few bugs in vbr-new when using -Y</font></li> <li><font color="#ff0000">Updated scalefactors allocation scheme in vbr-new</font></li> <li>Fixed mingw32 configure problems</li> <li>Resolved some compiler warnings</li> <li>Updated command-line visualisation</li> </ul> </li> <li>Gabriel Bouvigne: <ul> <li>Changed some FLOAT8 to FLOAT</li> <li>Added project files for VC7</li> <li><font color="#ff0000">Reworked -q1 and -q0</font></li> <li><font color="#ff0000">Updated presets</font></li> <li><font color="#ff0000">Fixed an error in ISO quantization on systems not using the IEEE754 hack</font></li> <li><font color="#3366ff">Faster quantization</font></li> <li><font color="#3366ff">SSE version of init_xrpow</font></li> </ul> </li> <li>Rog閞io Brito: <ul> <li>Updated Debian packaging</li> <li>Documentation work</li> </ul> </li> <li>Chris Miller: <ul> <li>Support for x64 platform SDK in makefile.msvc</li> </ul> </li></ul><br><h3>LAME 3.96.1 July 25 2004</h3><ul> <li>Robert Hegemann: <ul> <li><font color="#ff0000">Fixed a rare bug in vbr-new (could lead to crashes or data corruption)</font></li> </ul> </li> <li>Gabriel Bouvigne: <ul> <li>some fixes in ACM codec</li> <li>fixed padding when encoding to 320kbps</li> <li><font color="#ff0000">fixed block size selection for mid and side channels</font></li> </ul> </li></ul><br><h3>LAME 3.96 April 11 2004</h3><ul> <li>Gabriel Bouvigne: <ul> <li><font color="#ff0000">new quantization selection mode (used in ABR/CBR)</font></li> <li><font color="#ff0000">set sfscale for ABR/CBR up to 160kbps</font></li></ul></li></ul><br><h3>LAME 3.96 beta 2 March 28 2004</h3><ul> <li>Takehiro Tominaga: <ul> <li><font color="#3366ff">removed unnecessary integer convertion in resampling</font></li></ul></li> <li>Robert Hegemann: <ul> <li><font color="#ff0000">reworked scalefactor allocation in vbr-new</font></li> <li>fixed a freeformat decoding problem</li></ul> <li>Gabriel Bouvigne: <ul> <li><font color="#ff0000">updated minimal bitrate for V1 and V2</font></li></ul></li> <li>Aleksander Korzynski: <ul> <li>added ability to disable ReplayGain analysis</li></ul></li></ul><br><h3>LAME 3.96 beta March 7 2004</h3><ul> <li>Takehiro Tominaga: <ul> <li>fixed decoding issue</li></ul></li> <li>Aleksander Korzynski: <ul> <li>changed internal ReplayGain handling</li> <li>fixed some issues when ReplayGain is used with resampling</li></ul></li> <li>Robert Hegemann: <ul> <li>added standard ISO quantization for vbr-new, used at lower quality settings</li> <li><font color="#3366ff">faster count_bits for vbr-new</font></li> <li><font color="#3366ff">faster find_scalefac_ave function for vbr-new</font></li> <li><font color="#ff0000">fixed an out of array access in psychoacoustic models; this bug could make some psy calculations worthless and sometimes let lame crash</font></li> <li><font color="#ff0000">fixed an error on silent scalefactor bands; this bug resulted in huffman data overrun problems while decoding, resulting in audible glitches</font></li> <li>fixed a freeformat decoding bug</li> </ul> <li>Gabriel Bouvigne: <ul> <li><font color="#ff0000">adjusted short block thresholds</font></li> <li>fixed some array addressing bugs</li> <li>made ReplayGain analysis reentrant</li></ul></li> <li>David Chandler: fixed a crash in quantize_xrpow</li> <li>Michal Bacik: fixed a crash when using 8kHz</li> <li>Goran Markovic: fixed some decoding bugs</li> <li>John Edwards: fixed a too small buffer in ReplayGain code</li></ul><br><h3>LAME 3.95.1 January 12 2004</h3><ul> <li>Gabriel Bouvigne: <ul> <li>fixed a crash when using vbr-new</li> <li>changed ReplayGain reference level to 89dB</li></ul></li></ul><br><h3>LAME 3.95 January 11 2004</h3><ul> <li>Gabriel Bouvigne: <ul> <li><font color="#ff0000">fixed lowpass values when using vbr with mono files</font></li> <li><font color="#3366ff">faster quantization loops</font></li> <li><font color="#3366ff">faster count_bits</font></li> <li>fixed a buffer requirement error in ACM codec</li> </ul></li> <li>Takehiro TOMINAGA: <ul> <li>fixed mpglib and other decoding support code to prevent the crash when invalid mp3 input</li> </ul></li> <li>removed Layer I decoding support</li> <li><font color="#3366ff">use FastLog and IEEE 754 hack on PowerPC too (approx. 10 percent faster)</font></li></ul><br><h3>LAME 3.94 beta December 15 2003</h3><ul> <li>Takehiro Tominaga: <ul> <li><font color="#ff0000">fixed block switching of nspsytune</font></li> <li><font color="#ff0000">best huffman divide in the inner loop.</font> This should improve the quality, but PAINFULLY slow. So it is not enabled by default. Use -q0 to use it.</li> <li>Changed -q option mapping. "-q2" until version 3.93 is now "-q3".</li> <li><font color="#ff0000">saving bits by better scalefactor storing</font></li> <li>removed Vorbis support</li> <li><font color="#ff0000">substep quantization.</font>This should help breaking the SFB21 bloating problem</li> <li><font color="#ff0000">made psychoacoustic model aware of ATH adjustements</font></li> <li><font color="#ff0000">use ATH value as short block masking lower limit</font></li> <li><font color="#ff0000">several fixes in psychoacoustic model</font></li> <li>more robust decoding</li> </ul></li> <li>Mark Taylor / Gabriel Bouvigne: fixed issues in VBR header</li> <li>Mark Taylor: workaround against some hardware decoder defficiencies</li> <li>Aleksander Korzynski: ability to compute the "Radio" ReplayGain and detect clipping on the fly. The ReplayGain value is stored in the Lame tag.</li> <li>Gabriel Bouvigne: <ul> <li><font color="#ff0000">work on presets</font></li> <li><font color="#ff0000">use presets by default for cbr/abr</font></li> <li><font color="#ff0000">use presets by default for vbr</font></li> <li><font color="#ff0000">analog silence detection in partitionned sfb21</font></li> <li><font color="#3366ff">do not compute noise in upper 0 part of the spectrum</font></li> <li><font color="#3366ff">only compute noise in modified scalefactor bands</font></li> </ul></li> <li>Guillaume Lessard: <ul> <li>nogap related changes</li> </ul></li> <li>Alexander Leidinger: <ul> <li>prevent closing the input fd prematurely if the input is a named pipe</li> </ul></li></ul><br><h3>LAME 3.93.1 December 1 2002</h3><ul> <li>Gabriel Bouvigne: <ul> <li>preset medium added to the dll interface</li> <li><font color="#ff0000">fix for abr/cbr presets</font></li> <li><font color="#ff0000">fix -q0 switch</font></li> </ul> </li>⌨️ 快捷键说明
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