![]() ![]() 'Aggressive trimming' is a feature that allows the removal of these near silent parts automatically. Unfortunately, some MP3s also contain faint noise, or 'analog' silence. The 'Advanced info' dialog box in mpTrim shows the MPEG frame usage.įor additional file size support, please consider registering mpTrim PE or mpTrim PRO.Ī: mpTrim was originally created to trim only the 'digital' silence that is sometimes found in MP3s made from Audio-CDs (because of the silence that exists to separate the tracks in Audio-CDs). ![]() But for MPEG 1 layer III at 44.1kHz (MP3s made from Audio-CDs and usually in this format), mpTrim reads up to 7 minutes of music, so should be able to process most music tracks. That makes the assertion of the limit a little more difficult. ![]() Q: What's the biggest file size that mpTrim can handle?Ī: mpTrim file size support is not expressed in raw byte size but in number of MPEG frames. Who wants to store silence? Let's keep only the music. One nice feature of mpTrim is that it is automatically able to recognize the silence in most MP3s. It can easily make its way in MP3s at the beginning or at the end as a little bit of 'dead-zone'. But some players time display may be confused if it's not present.Ī: Digital silence is a bunch of samples set artificially to 0 (silence!) to separate music tracks on CDs. Seek information isn't part of the MPEG standard, doesn't affect the music quality and is not useful for a continuous playback. Seek information is used when you 'seek' (move) directly to some point of an MP3. mpTrim displays 'VBR+' when seek information is present, and 'VBR' (no plus) when it's missing. Note that VBR MP3s usually have extra 'seek information' embedded in them. Check below the 'from the end' sentence in mpTrim main window.Ī: Absolutely. MpTrim has a little indicator on how much space you'll recover when saving an MP3. you end up with an absolutely clean MP3 containing only MPEG-audio frames (and eventually an ID3 tag). So mpTrim parses the files looking for MPEG-audio frames and discards the rest. ![]()
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