Editing entries in Xiaomi dictaphone: from cropping to export

Recording voice notes, lectures or interviews on Xiaomi smartphones often require refinement: cropping pauses, amplifying sound or adding tags. The built-in MIUI voice recorder offers basic editing tools, but many users do not know how to use them or where to look for advanced features. This article will reveal all the ways to modify audio files – from simple cropping to working with external editors, including nuances for different versions of MIUI and smartphone models.

We will not only look at the standard features of the Recording app (or Recorder in older versions), but also at alternative methods for cases where embedded tools are not enough, and focus on the problems of saving edited files, export formats and compatibility with the cloud services of Xiaomi Cloud. If you ever encounter a record that disappears after pruning or is saved in an uncomfortable format, here you will find solutions.

Where is the recorder stored on Xiaomi and how to open records

Before you edit audio files, you need to understand where they are physically located. MIUI Records of the voice recorder by default are saved in the folder /storage/emulated/0/MIUI/sound_recorder/ (for MIUI 12-14) or /storage/emulated/0/Recordings/ (In older versions, they can be accessed in two ways:

• 📱 Through the app: Open the Record (Mic icon), tap the file in the list, and you can listen to it and do basic things (rename, delete, crop).
• 📁 File Manager: Use Explorer (or Files by Google) and go to the folder MIUI/sound_recorder. Files have extensions.m4a (AAC) or.amr (for short notes).
• ☁️ Through the cloud: if sync with Xiaomi Cloud is enabled, the records are duplicated in the section Records on the site i.mi.com.

Important: files in the folder sound_recorder They can be hidden by the system. To see them, activate the display of hidden files in Explorer (⋮ → Also note that.amr files are of poor quality (8 kHz) and not subject to serious editing.

⚠️ Note: if you connect your smartphone to your PC through MTP, folder sound_recorder It may not appear in Windows Explorer. ADB Third-party managers (such as Solid Explorer).

Basic editing: cropping and removing fragments

The built-in editor of the Xiaomi voice recorder allows you to crop the beginning and end of the recording, as well as remove the middle snippets. The interface is intuitive, but has limitations: you can not impose effects or change the volume.

1. Open the Record application and select the desired audio file.
2. Put it on the icon. ✏️ Edit (or ⋯ → Edit in older versions).
3. At the bottom of the screen, you'll see a waveform recording, drag and drop the yellow markers left/right to select a fragment to save.
4. To remove the middle fragment: Tap on the waveform at the beginning of the removed segment. Drag the right marker to the end of the unnecessary section. Press 🗑️ Delete the highlighted fragment.
5. Listen to the results with a button ▶️.
6. Click Save – the system will prompt you to replace the original or create a copy.

Note: After saving, the edited version receives the edit suffix in the file name (e.g, lecture_edit.m4a). The original remains intact if you select Save as a new file.

Listen to the final version | Check the duration (is not cropped) | Select the format of saving (replacement / copy) | Make sure there is free space (file can be temporarily duplicated)

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MIUI 14 has a smart pause clipping feature: it automatically detects and removes silence longer than 2 seconds to activate it:

1. In the editor, tap on ⋮ → Remove pauses.
2. Set the sensitivity threshold (medium recommended).
3. Confirm the action – the recording will be processed in 5-10 seconds.

Problems in editing and their solutions

Users often encounter errors when working with the Xiaomi voice recorder, and here are the most common scenarios and ways to fix them:

Critical feature: in MIUI 12.5 and below, when cropping.m4a files longer than 1 hour, the editor can freeze. The solution is to break the record into parts through FFmpeg (team below) or use a PC.

ffmpeg -i input.m4a -f segment -segment_time 1800 -c copy output_%03d.m4a

⚠️ Note: If you are editing a recording synced with Xiaomi Cloud, changes may not appear in the cloud before the device restarts. To avoid conflicts, turn off sync before editing (Settings) → Accounts. → Xiaomi Cloud → Synchronization of records).

.m4a (AAC) |.mp3|.wav|.amr| Don't know

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Advanced editing: sound amplification, noise cancellation, effects

Xiaomi's standard voice recorder doesn't support overlaying effects or sound correction. These tasks will require third-party applications. MIUI:

• 🎛️ Lexis Audio Editor: a free editor with equalizer support, volume normalization and noise removal.
• 🎧 WaveEditor: allows you to overlay effects (river, echo), trim to millisecond accuracy.
• 🔊 Dolby On: Optimized for voice recordings – automatically suppresses background noise and enhances speech.
• 💻 Audacity (PC): for professional processing. Supports plugins VST and work with multiple tracks.

An example of step-by-step processing in Lexis Audio Editor:

1. Import the file from the folder sound_recorder.
2. Slip on the effects → Noise suppression, select the medium level.
3. In the Amplifier section, raise the volume by +6 dB (maximum without distortion).
4. Apply Normalization (target level: -3 dB).
5. Export to.m4a with a bitrate of 192 kbps.

For Audacity (PC) useful plugins:

Chris' Dynamic Compressor - to level the volume.

Noise Reduction – to remove background (e.g. fan or street noise)

Truncate Silence automatically cuts the pauses.

Export and Conversion of Edited Records

After editing, it is important to save the file in a user-friendly format. Xiaomi's built-in voice recorder only offers.m4a (AAC) or.amr, which is not always suitable.

• 📱 Save to Device: In the standard editor, select Save as a new file. The file will appear in the same folder. sound_recorder suffixed.
• ☁️ Export to the cloud: Enable sync in Settings → Xiaomi Cloud → Records: Edited files will be downloaded automatically when connected to Wi-Fi.
• 💾 Convert to other formats: Use MediaConverter (an Android app) or online services like Online-Convert..wav (without loss) will suit FFmpeg with the command: ffmpeg -i input.m4a -acodec pcm_s16le -ar 44100 output.wav

If you need to send a record by mail or messenger, the optimal format is.mp3 with a bitrate of 128-192 kbit / s. For archival storage (for example, an interview), choose.flac or.wav. Please note:.amr files are not suitable for professional processing due to poor quality (8 kHz, mono).

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To quickly share an edited post, use the Share feature in the Record app. The system will automatically compress the file to 10 MB (if the original is larger) for sending via Telegram or WhatsApp.

Automation of editing: scripts and bots

For users who regularly work with voice recordings (such as journalists or students), manual editing is time-consuming.

• 🤖 Tasker + AutoTools: a script to cut pauses and normalize volume on a schedule. Example of the task: Trigger: new audio in a folder sound_recorder. Action: FFmpeg is launched via Termux.Result: the processed file is copied to Download/Processed.

Telegram bots:

• @AudioEditorBot - crops up the recordings, superimposes effects.
• @VocaleBot - recognizes speech and saves text transcript.
• 📊 Python scripts: for mass processing. Example of silence removal code: from pydub import AudioSegment sound = AudioSegment.from_file("input.m4a") silent = sound.dBFS < -30 # chunks silence = [sound[i.start:i.end] for i in silent if (i.end - i.start) > 500] # pause out > 500 ms = sum(chunks) result.export("output.m4a", format="ipod")