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Deskripsi
[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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Jepretan layar
Yang Baru
- Versi: ver.
- Diperbarui:
- - 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
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Pengembang
- FormulaNam
- Platform: Android Aplikasi (4)
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Info tambahan
- Versi: ver.
- Kategori:
Android Aplikasi›Alat - OS:
Android 8.0 - Ukuran:
26 Mb - Rating Konten:
Everyone - Google Play Peringkat:
0 - Diperbarui:
- Tanggal rilis:
Kontak
- Situs Web:
https://sites.google.com/view/formulanam
«FNam FFT Spectrogram Analyzer». Platform: Android. Kategori: Alat. Pengembang: «FormulaNam». Rilis pertama: . Pembaruan terakhir: . Harga saat ini: gratis. Judul ini belum mendapat rating atau ulasan di AppAgg. AppAgg melacak riwayat harga, peringkat, dan umpan balik pengguna «FNam FFT Spectrogram Analyzer». Ikuti diskon dan pembaruan di masa mendatang melalui RSS. AppAgg tidak menghosting aplikasi atau mendistribusikan perangkat lunak. Semua merek dagang, logo, dan tangkapan layar adalah milik pemiliknya masing-masing.
FNam FFT Spectrogram Analyzer URL singkat: Disalin!- 🌟 Bagikan
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