| Nhà phát triển: | FormulaNam (4) | ||
| Giá bán: | Miễn phí | ||
| Xếp hạng: | 0 | ||
| Đánh giá: | 0 Viết đánh giá | ||
| Bình luận: | 0 Đăng bình luận | ||
| Danh sách: | 0 + 0 | ||
| Điểm: | 0 + 0 ¡ | ||
| Google Play | |||
Mô tả
[Video Guide - See it in action]
https://youtu.be/72SYLTG0l_8
FNam Audio & FFT Analyzer is a precision tool designed for sound engineers, researchers, students, and audio enthusiasts who need accurate frequency analysis and data logging.
■ Exclusive Features (Why FNam?)
Unlike typical sound meter apps, this app offers advanced features like Dual File Comparison and CSV Export, enabling detailed post-analysis of audio data.
■ KEY FEATURES
1. Real-time Audio Analysis
• High-precision FFT (Fast Fourier Transform) Graph.
• Time Domain Waveform (Oscilloscope) view.
• Fluid Spectrogram for visualizing frequency changes over time.
2. Dual File Comparison (Exclusive Feature)
• Simultaneous loading of two WAV files for comparative analysis.
• Spectrum Overlay: Visually compare differences using color-coded traces (Blue vs. Magenta).
• Instant Calculation: Provides Arithmetic Mean and Mean Difference between signals.
3. Data Logging & Export
• Flexible Sampling Rates: Supports various rates (4000Hz, 8000Hz, 16000Hz, 22050Hz, 44100Hz).
• High-quality Recording: Audio is recorded and saved as WAV files, strictly matching the selected sampling rate.
• Raw Data Export: Exports raw PCM data to CSV format. The exported data maintains the exact sampling rate and duration, making it optimized for post-processing in Excel, MATLAB, or Python.
• File Management: Files are stored in the 'Download\FNamDoc' directory.
- WAV naming format: Date_Time_SampleRate_Channel.wav
ex) 20260219_164715_44100Hz_Mono.wav
- CSV naming format: Selected WAV file name_SampleRate_Duration(s).csv
ex) 20260219_164715_44100Hz_Mono_44100_5.2s.csv
4. Professional Configuration
• Window Functions: Selectable Rectangular, Hann, Hamming, and Blackman windows.
• Frequency Weighting: Supports A, B, C, and Z (Linear) standard weighting filters.
• Axis Control: Supports both Auto-scaling and Manual range settings (Hz / dB) for precise graph inspection.
• Calibration: Independent offset controls for FFT and Time Domain to ensure alignment with professional reference equipment.
• Max Peak Hold: Displays and holds the maximum amplitude values across the frequency spectrum.
■ TECHNICAL SPECIFICATIONS
• Signal Processing: Anti-aliasing filters are automatically applied during downsampling to ensure measurement accuracy.
• Sampling Rate: Supports standard rates up to 44.1kHz (device dependent).
• Standards: Implements IEC 61672 formulas for accurate weighting calculations.
⚠️ Note: While this app uses IEC 61672 standard formulas, measurement discrepancies compared to professional equipment may occur due to the hardware frequency response limitations of the built-in smartphone microphone. For critical measurements, the use of a calibrated external microphone is recommended.
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Tính năng mới
- Phiên bản: ver.
- Cập nhật:
- - Added FNam Family info.
- Added a max peak-hold option
- Added sampling-rate info. to the saved WAV files
- Fixed WAV file loading bug
- Fixed an issue where the app could hang on startup after changing the sampling rate setting
- Fixed minor issues
Bình luận (0)
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Giá bán
- Hôm nay: Miễn phí
- Tối thiểu: Miễn phí
- Tối đa: Miễn phí
Theo dõi giá
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- FormulaNam
- Nền tảng: Android Ứng dụng (4)
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- Video: 2
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- FNam FFT Spectrogram Analyzer
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Thông tin bổ sung
- Phiên bản: ver.
- Danh mục:
Android Ứng dụng›Công cụ - HĐH:
Android 8.0 - Kích thước:
26 Mb - Xếp hạng nội dung:
Everyone - Google Play Xêp hạng:
0 - Cập nhật:
- Ngày phát hành:
Danh bạ
- Trang web:
https://sites.google.com/view/formulanam
FNam FFT Spectrogram Analyzer URL ngắn: Đã sao chép!- 🌟 Chia sẻ
- Google Play
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