The Neutron Audio Recorder application is a breakthrough in the field of audio recording on mobile devices and PC! It is an advanced audio and voice recorder utilizing the famous audiophile-grade, platform-independent 32/64-bit Neutron HiFi™ Audio Engine, well known to Neutron Music Player users. All major platforms are supported, including Android, iOS, and Windows 10/11 (UWP).

DSP

As a result of this powerful integration, Neutron Audio Recorder offers a rich, market-unique set of DSP features tailored for all your recording needs:

Silence Detector: Skips silent pauses during capture to record only valid audio, ensuring minimum file size even during 24/7 continuous recording.
Parametric Equalizer: Up to 130 fully configurable bands for precisely correcting the frequency response of your input source or microphone.
Generic Filter: Fully configurable DSP filter for real-time sound correction and noise suppression during recording.
Automatic Gain Correction (AGC): Real-time dynamic analysis targeting desired gain levels, allowing distant and quiet sounds to become clear and well-defined.
High-Quality Resampling: Reduces file size for voice recordings without degradation, making it ideal for capturing lengthy lectures and voice memos.

MEDIA LIBRARY

A full-featured media library is at your disposal to flexibly organize, tag, and group your recordings into custom playlists.

UI & VISUALIZATION

The user interface includes precision Spectrum, RMS, and Waveform analyzers for comprehensive real-time audio visualization.

HI-RES AUDIO

The audio driver supports hi-res input formats. If your hardware supports it, Neutron captures high-resolution sound without limitations—up to 24/32-bit at 768 kHz.

VERSATILE AUDIO FORMATS

Store recordings in lossless hi-res formats (WAV, FLAC) or lossy formats (OGG/Vorbis, MP3, Speex, WAV-ADPCM) to save storage space. Capture hours of voice memos efficiently using the voice-optimized Speex format.

STORAGE & STREAMING

Save recordings to local memory, external SD cards, or stream directly in real time to network storage via SMB/CIFS or SFTP protocols. Direct network streaming ensures your recordings remain safe even if your device suffers power loss or disruption. Tags can be edited at any time post-recording.

AGC: CAPTURE DISTANT & QUIET SOUNDS

Neutron Audio Recorder features real-time Automatic Gain Control (AGC) processing that analyzes incoming signals dynamically to expand recording range. Distant or quiet voices are automatically raised to clear, recognizable levels—allowing you to easily record speech from across the room.

FILTER: REMOVE UNWANTED NOISE IN REAL TIME

Eliminate unwanted background noise during recording with fully configurable DSP filtering. Removing high-frequency hiss or low-frequency rumble at input significantly enhances codec efficiency when saving to compressed formats. Clean audio right out of the box eliminates time-consuming post-processing.

EQUALIZER: COMPENSATE SOURCE DEFICIENCIES

Correct hardware microphone response curves or room acoustics directly while recording. Compensating for input source deficiencies on the fly delivers production-ready audio as soon as recording stops.

Features

32/64-bit HD audio processing powered by the Neutron HiFi™ Audio Engine
OS-independent encoding and internal signal routing
Supported Audio Formats: WAV (PCM, ADPCM, A-Law, U-Law), FLAC, OGG/Vorbis, Speex, MP3
Playlists: M3U support
Direct access to USB ADC via USB OTG (up to 8 channels, 32-bit, 768 kHz)
Full metadata and tag editing capabilities
Direct audio file sharing with external installed applications
Flexible destination storage (Internal memory or external SD card)
Real-time network storage recording:
- SMB/CIFS network device (NAS or PC Samba shares)
- SFTP server over SSH
Local device library management via built-in FTP server
DSP Effects Suite:
- Silence Detector (skip silence during recording or playback)
- Parametric Equalizer (4–130 bands, fully configurable type, frequency, Q, and gain)
- Compressor / Limiter (dynamic range management)
- Automatic Gain Correction (AGC for distant sound enhancement)
- Dithering (quantization distortion reduction)
Presets and profile management for DSP configurations
High-precision real-time Resampling engine (Quality and Audiophile modes)
Real-time Spectrum, RMS, and Waveform visual analyzers
Playback Modes: Shuffle, Loop, Single Track, Queue
Comprehensive playlist management
Media Library Grouping: Album, Artist, Composer, Genre, Year, Folder
Bookmark management
Direct Folder navigation mode
Programmable Start and Stop recording timers
Customizable user interface appearance
Supported Languages: Русский, 中文 (繁体), 中文 (简体), 한국어, 日本語, Việt, ไทย, Deutsch, Italiano, Indonesian, Malay, Nederlands, Français, English, Español, ελληνικά, Português, Magyar, Polski, العربية, Türk
Cross-Platform Support: Android 2.1+ (Google Play), iOS 8.0+ (App Store), Windows 10/11 PC & Mobile (Microsoft Store)
Hardware Optimizations: ARMv7 VFP/NEON, ARMv8 NEON (ARM64), x86/x86_64 SSE2