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How to Extract MP3 Audio from AVCHD MTS

How can I convert an .mts file to mp3? I would like to export just an audio clip (2 minutes) to an mp3 file. I have deleted the video in the timeline but it still leaves a 91Mb file - far too big of course to usefully use. Is there a way please?

If you are also confused about how to extract audio from MTS and save it in MP3 audio format, you've come to the right place. In this article, we'll recommend you some free online conversion services as well as offline video converter software to help convert convert .mts file to .mp3 file.

Firstly, we have some free online conversion service for you.

Zamzar offes free online service. It supports conversion between a broad variety of various file formats and file presets, of course including MTS to MP3. To convert files on Zamzar, there are only 4 steps needed: Step1. Select files from native folder or URL to convert
Step2. Choose the output format
Step3. Enter your email address to receive converted files
Step4. Start conversion

However, there is a limit on upload file size. You can only upload a file up to 100MB. If you want to convert a larger file, you need to pay for that. Please read the Zamar Plans to learn more about the charge. And it requires a stable network environment to do conversion on Zamzar.

The second online video conversion service we are able to find for you is the Convert.Files. It is offered at absolutely no charge and without the need to download additional software. It also works with a wide range of file types including MTS as input and MP3 as output also. But it is just capable of processing files up to 250MB. Well, anyway, as a free service, it can work with larger upload files size, compared to Zamzar. If you need to convert larger video files, you can turn to VideoToolbox.com, anther premium file conversion service by ConvertFiles team.

VideoToolbox and Convert.Files are families as we mentioned above. It converts your files between all of the popular video formats (MTS to MP3 included). It can process video files up to 600MB (Well, still got a limit on upload file size). Smarter than Convert.Files, it can analyze your video files from codec, bit rate, frame rate, resolution, etc. Also, it allows you to add a text watermark, cut, crop, and merge video, take snapshots and embed subtitles.

The above recommended free online services are all able to convert .mts to .mp3. But all of them have limit on upload file size and requires stable network environment. If you have a larger MTS video like 1GB to convert to MP3, you'd better turn to the below iOrgSoft AVCHD Video Converter (AVCHD Converter for Mac), a commercial offline converter that we are going to recommend to you.

iOrgSoft AVCHD Video Converter
iOrgSoft AVCHD Video Converter supports almost any camcorder video file format. Video formats like AVCHD, MTS, M2TS, MXF, MOD, TOD, XAVC, etc and audio formats like MP3, MP2, MKA, M4A, AMR, AAC, AC3, AIFF, FLAC, WMA, WAV, and APE are supported by the program. You can easily convert MTS to MP3 with it. You are allowed to adjust the audio output sample rate, bit rate, and channels before conversion.

You should know that the convert supports batch conversion which means you can add a bunch of MTS files at one time. And it has no limit on imported file size.

Additionally, it has grouped and optimized file presets by popular applications and devices, like Sony Vegas, Win Application (Apple Application), Final Cut Pro, iMovie, Premiere, Apple devices (iPad, iPhone, iPod, Apple TV, etc), Samsung, Tablet, Web share, etc.

Furthermore, it allows users to edit videos with abundant video editing tools including trimming, cropping, splitting, rotating, watermark (text and image type), transitions (video and audio), 3D effects, snapshots, and more. So, you can trim the extracted MP3 audio from MTS to get the desired tracks before export it.

In a word, you can do much more than converting MTS to MP3 with it.


iOrgSoft AVCHD Video Converter

iOrgSoft Video Converter allows you to convert camcorder video files like AVCHD (MTS/M2TS), MOD, TOD, MXF, XAVC etc to a more easy-to-play regular file format.

  • Support converting AVCHD, MTS, M2TS, MXF, XAVC, MOD, TOD, ect to regular video like MP4, MOV, WMV, FLV, SWF, etc
  • Extract music file from video and save as MP3, MP2, ACC, AC3, FLAC, etc
  • Edit video and audio with simple but useful editing tools
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How to Convert MTS to MP3 with iOrgSoft AVCHD Video Converter

Step 1Download and Install the Program

Please pay attention to OS compatibility before you click to download. Please feel free and safe to download, install and launch the AVCHD Video Converter which is absolutely clean and safe.

Please note that if you need to reinstall the program for some reason, please make sure you has uninstall the program fully before reinstall. And please take good care of your registration information.



Step 2Import MTS Files and Choose MP3 Ouput Format

And then import MTS files. To import your local MTS files, you have two optional ways. One is to click the "Add Files" button to browse your computer to select files. The other one is to directly drag and drop your local files from your file folder the program. Batch conversion is available.

And then please click the "Profile" pull-up menu to open the output format list, nevigate to "Common Audio" and find MP3 as output format.

add file and set output

Step 3Trim Audio

If you just attempt to make ringtone or background music for a special school or office project, you can use the tool "Trim" to get the specific audio track out of the entire file and convert it.

There are three ways to do the trimming:
1. drag the triangle slider on the timeline to determine the start and end time.
2. Play the imported MTS file, use the left bracket to determine the start time and use the right bracket to determine the end time.
3. Set the duration from the "Start Time" and "End Time" option.

Addtionally, you can allowed to add several different trimmed files or delete the mistaked trimmed file using the "+" or "-" function.

Besides, you can merge all the trimmed files into a single new one by checking the "Merge" box.


Step 4Start Converting MTS to MP3

Click the "Convert" icon button to get the conversion started. You can monitor the progress by the green progress bar. The conversion time mainly depends on the video length, resolution and your computer performance.

When completes, there will be a pop up to inform you and ask you whether you open the folder to play the converted file or not.

Windows Version

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Mac Version

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