| 개발자: | FormulaNam (4) | ||
| 가격: | 무료 | ||
| 순위: | 0 | ||
| 리뷰: | 0 리뷰 작성 | ||
| 댓글: | 0 댓글 게시 | ||
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| Google Play | |||
기술
[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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스크린샷
새로운 기능
- 버전: ver.
- 업데이트:
- - 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
가격 내역
- 오늘: 무료
- 최소: 무료
- 최대: 무료
가격 추적
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개발자
- FormulaNam
- 플랫폼: Android 앱 (4)
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- 할인: 0
- 동영상: 2
- RSS: 구독
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- FNam FFT Spectrogram Analyzer
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주소록
https://sites.google.com/view/formulanam «FNam FFT Spectrogram Analyzer». 플랫폼: Android. 카테고리: 도구. 개발자: «FormulaNam». 첫 번째 릴리스: . 마지막 업데이트: . 현재 가격: 무료. 이 타이틀은 아직 AppAgg에서 평가나 리뷰를 받지 못했습니다. AppAgg는 «FNam FFT Spectrogram Analyzer»의 가격 기록, 평점 및 사용자 피드백을 추적합니다. 향후 할인 및 업데이트 받기: RSS에서 확인할 수 있습니다. AppAgg는 애플리케이션을 호스팅하거나 소프트웨어를 배포하지 않습니다. 모든 상표, 로고 및 스크린샷은 해당 소유자의 자산입니다.
FNam FFT Spectrogram Analyzer 단축 URL: 복사됨!- 🌟 공유하기
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