<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><p>I am not sure whether input test vectors, which i used, are correct one. I am not also sure about the behaviour of tremor decoder against Vorbis float decoder. <br>
Please suggest if the results are acceptable. <br></p>
<p></p></div></blockquote><div>The test vectors you're using are good.<br> <br>The files with small PCM differences (one or two linear steps peak) are to be expected. Vorbis does not spec bit-exact decode, and Tremor is using some minor approximations. The differences will be well below an audible threshold.<br>
<br>The larger differences from other files are likely a problem, depending on how they're being measured. These files all use the older pre-1.0 floor 0, so this suggests an error in floor0 decode. However, it's difficult to tell only by looking at average/RMS differences.<br>
<br>Have you listened to these files, or plotted them as a spectrogram? These tests are likely to be more useful after a difference test has pointed out a possible problem. <br><br>Monty<br>Xiph.Org<br><br></div></div>