How to remove short silence gaps from MP3 files?

Version:	1.0.19 (1237)
Updated:	14 Apr, 2024
Compatibility:	Mac OS X 10.13 or later

Helped us out of a scrape!

So after a long and uninteresting string of events I arrived at a situation where I had to convert some MP3 audio recodings into WAV files so they would work better with Adobe Premiere Pro which was glitching (there was a Uni’ deadline and Adobe wouldn’t play ball to allow me to download Audition). Downloaded this App in a few seconds, backed up the original dozen files and a few seconds later this App had converted them perfectly allowing them to work as I needed. Uni’ deadline met and crisis averted. Will definitely need this again as I will need to do similar over next few years. Very easy and quick.

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^{By Zarandok67 on Jun 03, 2018, USA}

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^{By ‘晴天‘ on Aug 29, 2017, China}

Short silence gaps are a limitation of the MP3 format

MP3 encoders introduce a delay of a few hundred samples, or 10 to 100 milliseconds, at the beginning and the end of output MP3 files. Files having such gaps cannot be seamlessly joined, which makes impossible, for example, a gapless playing of a group of MP3 files.

Small silence gaps,<br>introduced during conversion to MP3 format

Small silence gaps,
introduced during conversion to MP3 format

This article is about how to get rid of short silence gaps, introduced by the MP3 format itself.

Enable "Trim silence from start and end" in Preferences

To get rid of silent gaps in MP3 files, start To WAV Converter, and open its Preferences window. Make sure the option Trim silence from start and end is enabled in the Preferences / Effects tab.

To WAV Converter for Mac - Trim silence from start and end

Setting trimming silence from start and end in Preferences / Effects

Change the output format

Since short silent gaps at the beginning and the end are a limitation of the MP3 format, the MP3 audio files should be converted to another format. You can skip this step if the silence in your MP3 files has a different nature, or short silence gaps are not an issue in your case.

In the case of small files, with a duration of up to a few seconds, the WAV format would be the best. Otherwise, the AIFF, FLAC, MP4/AAC and MP4/ALAC audio formats are also suitable for this purpose.

The output audio format can be changed in the Preferences / Format tab. The list of available audio formats depends on the audio converter you are using.

To WAV Converter for Mac - Selection of WAV Format

Selection of WAV Format in Preferences / Format

Start the conversion

In the Finder, select a few MP3 files or folders containing them. Drag files specified in the Finder and drop them into To WAV Converter to start conversion.

Done!

When you finished, check the result of trimming the silence in some audio editor. The short silent gaps should not appear in new WAV files.

WAV file without short silence gaps

Helped us out of a scrape!

AWESOME!!!

可以的好用

How to remove short silence gaps at the beginning and the end from MP3 files?

Short silence gaps are a limitation of the MP3 format

Enable "Trim silence from start and end" in Preferences

Change the output format

Start the conversion

Done!

To WAV Converter for Mac

Audio Conversion on Mac

Customization of Preferences

Sound Improvement on Mac

Audio Conversion - Frequently Asked Questions