Recordings from the recorder on Xiaomi Redmi often contain unnecessary pauses, noise or unnecessary fragments at the beginning / end. Cutting such files directly on the phone saves time and eliminates the need to transfer audio to the computer. MIUI to third-party applications with advanced functions.
The feature of Redmi smartphones (Series Note, K, A, etc.) is that they work on a customized shell. MIUI, So, for example, in some versions of the firmware, the cropping function is hidden in the editing menu, and in others, it's not at all. MIUI 12-14 and identified the most reliable.
Important: If you work with sensitive records (interviews, business negotiations), avoid online services - use offline editors. For normal tasks (lectures, voice notes), cloud tools will also work.
1. Built-in dictaphone editor MIUI: lip-service
On most Redmi models (e.g. Note 11 Pro, Redmi 10, Redmi) K50) The standard Dictaphone app can crop records without installing additional software. The function may be hidden or unavailable on older versions. MIUI โ Check its availability according to the instructions below.
To cut the record:
- Open the Dictaphone app (Micphone icon).
- Select the desired entry from the list and tap it.
- Click on the pencil icon (โ๏ธ) or Edit in the lower right corner.
- In the editor that opens, drag and drop sliders at the beginning and end of the timeline to highlight the desired snippet.
- Click Save as a new file (or Cut in older versions).
If there is no edit button, then your version MIUI In this case, use alternative methods from the following sections.
โ๏ธ Checking the availability of the built-in editor
โ ๏ธ Note: Built-in editor MIUI It saves the clipped record as a new file without replacing the original, which means that both versions, the original and the edited versions, will remain on the device.
2.Editing through "Gallery": an unexpected lifehack
Few people know, but the Gallery app on Xiaomi Redmi can work not only with photos and videos, but also with audio files, which is suitable for users who do not have a built-in editor in the recorder.
Instructions:
- ๐ Open the File Manager app and find the Recordings (or Records) folder where audio files from the recorder are stored.
- ๐ต Select the file you want (usually the format.m4a or.mp3) And tap it. From the Open With Menu, select Gallery.
- โ๏ธ In the bottom panel will appear a playback scale with sliders - drag them to highlight the fragment.
- ๐พ Click Save and select a folder to export (such as Music or Downloads).
The advantage of this method is that it is simple and does not need to install third-party programs, but the sound quality after saving can slightly deteriorate due to recoding.
Why does the gallery edit audio?
| Method | Supported formats | Loss of quality | Internet is required |
|---|---|---|---|
| Built-in dictaphone editor | .m4a, .mp3 | No. | No. |
| gallery | .m4a, .mp3, .wav | Minimum | No. |
| Lexis Audio Editor | .mp3, .wav, .flac | No (with the right settings) | No. |
| MP3 Cutter | .mp3, .aac | Medium | No. |
3. Third-party applications: top-3 editor for Xiaomi
If embedded tools MIUI If you don't like it, install one of the specialized applications, we've selected three of the most reliable and lightest programs that do not overload the system and work on all Redmi models (including budget ones with 2-3 GB of RAM).
1. Lexis Audio Editor (free, no advertising)
- ๐๏ธ Supports multi-track editing (useful for mixing records).
- ๐ Recovery of damaged files and noise reduction.
- ๐ฅ Exports to.mp3,.wav,.flac with bitrate setting.
Download to Google Play (weight) ~15MB).
2. MP3 Cutter and Ringtone Maker (free, with ads)
- โ๏ธ Precise pruning to millisecond accuracy.
- ๐ต Built-in format converter.
- ๐ฑ Optimized for screens with a cutout (like the Redmi Note 12).
The disadvantage is banner advertising, but they do not interfere with the work.
3. WaveEditor (paid version) ~200โฝ)
- ๐ Sound wave visualization for precise cropping.
- ๐ Support for batch processing (packet editing of multiple files).
- ๐ก๏ธ No length limit (important for long lectures).
โ ๏ธ Note: When installing third-party audio editors, only give them access to record folders (Recordings, Music). SMS โ This is unnecessary for audio cropping and may be a sign of malware.
4.Pruning through Google Drive: The Cloud Method
If your phone has little space or you want to edit records on multiple devices, use Google Drive, which is suitable for files up to 25MB (free version restriction).
Step-by-step:
- Upload the audio file to Google Drive (via app or browser).
- Open the file and click Open in... โ Select Google Drive (web version).
- In the upper right corner, press three dots (โฎ) and select Version Management โ Edit.
- Use the sliders to trim, then press Save.
Google Drive automatically creates a new version of the file without deleting the original, which is convenient for backups, but takes up additional space in the cloud.
Advantages of the method:
- ๐ Access from any device (even PC).
- ๐ Security โ Files are stored in encrypted form.
- ๐ฑ Does not load the phone processor.
Pruning via PC: for professional processing
If you want to not only crop the recording, but also improve its quality (remove noise, normalize volume), transfer the file to your computer. For Xiaomi Redmi, this is how you do it:
Methods of file transfer:
- ๐ Po Po Po USB-cable (select File Transfer mode when connected).
- โ๏ธ Through the cloud (Mi Cloud, Google Drive, Telegram).
- ๐ถ Local area network (Mi Drop or Send Anywhere).
For pruning on the PC, we recommend:
- Audacity (free, supports noise reduction plugins).
- Ocenaudio (simple interface, suitable for beginners).
- Adobe Audition (for professionals, paid).
After editing, return the file back to your phone.
- Connect Redmi to your PC and copy the file to your Music or Recordings folder.
- Or upload a file to the cloud and download it through an app on your phone.
๐ก
If, when connected, USB phone does not appear on PC, go to Settings โ Additionally. โ Developer and turn on Debugging by USB. Then select the mode. MTP plug-in.
6. Automatic Cutting of Silence: For Lectures and Interviews
If there are many pauses in a recording (e.g. during a lecture or interview), they can be removed automatically using the Auto Audio Cutter app (available on Google Play).
How to set up:
- Install Auto Audio Cutter and open the recording.
- In the Settings menu, select the Silence Threshold (recommended) -40 dB).
- Specify the minimum length of the pause to remove (e.g., 1 second).
- Click Process and wait until it is completed.
Example: if you record 10 minutes of lecture with 2 minutes of pauses, after processing will remain ~8 minutes of pure sound, convenient for taking notes or transcription.
โ ๏ธ Attention: Automatic pruning of silence can accidentally remove important pauses (for example, between words in slow speech.
๐ก
For background noise recordings (street, cafe), first use noise cancellation in Lexis Audio Editor, and then use automatic silence trimming.
7.Secret functions MIUI audio-work
In the firmware MIUI There are hidden features that make it easier to work with records, which are not advertised in official documentation, but they are available on most Redmi models:
1.Fast trimming through the Share menu
- Open the recording in the Recorder.
- Tap to share. โ Cut (will appear in) MIUI 13+).
- Select the fragment and send it directly to the messenger.
2. Voice commands for voice recorder
- Activate Xiaomi Voice Assistant (Settings) โ Voice assistant).
- Say โStart recordingโ or โStop recordingโ โ the recorder will respond even on a locked screen.
3. synchronize recordings with Mi Cloud
- Enable backup in Settings โ Xiaomi account โ Mi Cloud โ Dictaphone.
- The recordings will be automatically uploaded to the cloud and available on i.mi.com.