01Apa itu Penganalisis Suara Online dan Cara Kerjanya?
Sound Analyzer menangkap getaran akustik mikrofon dan mengubah sinyal domain waktu menjadi komponen frekuensi dengan Fast Fourier Transform (FFT).
Didukung oleh Web Audio API dan pemrosesan DSP 32-bit di browser, seluruh analisis berjalan 100% lokal tanpa kirim data ke server.
Menyediakan spektrum FFT 16.384 bin, spektrogram air terjun 60 FPS, osiloskop audio, dan RTA 1/3 oktaf standar ISO 266.
Workstation Akustik Modular
16,384 Bins • 60 FPS GPUPenganalisis Spektrum FFT 16K
Spektrum frekuensi 16.384 bin dengan skala logaritmik/linear dan penahan puncak.
High-resolution Fast Fourier Transform analysis with customizable windowing functions.
Spektrogram Air Terjun
Peta panas waktu-frekuensi 60 FPS dengan 6 palet warna ilmiah.
Continuous time-frequency energy history rendered at 60 frames per second.
Osiloskop Audio
Visualizer bentuk gelombang domain waktu dengan pemicu zero-crossing.
Time-domain waveform visualizer with auto-triggering and zero-crossing lock.
RTA Pita 1/3 Oktaf
Penganalisis 31 pita fraksional ISO 266 untuk kalibrasi ruangan dan sistem PA.
Standard fractional octave bands compliant with ISO 266 room calibration standards.
Goniometer Stereo
Vektorskop Lissajous X-Y untuk memeriksa korelasi fase dan lebar stereo.
Lissajous stereo vector scope and real-time phase correlation monitoring.
Telemetry Engine
Instantaneous RMS, peak dBFS, crest factor, and harmonic pitch tracking.
- Peak dBFS:0.0 dBFS Max
- FFT Resolution:16,384 Bins
- Processing Latency:< 5 ms Native
02Engineering & Practical Use Cases
• Tuner Nada Harmonik
Pelacak nada instrumen dan vokal presisi sub-sen dengan algoritma HPS & YIN.
Calibrate guitar intonation, orchestral instruments, and vocal performance with sub-cent precision.
• Synthesizer Nada & Kebisingan
Generator gelombang sinus murni, sapuan frekuensi, dan derau putih/merah muda/cokelat.
Verify amplifier frequency response, subwoofer crossover points, and speaker distortion.
• Sandbox Filter DSP Langsung
Eksperimen filter digital biquad Web Audio interaktif dengan kurva Bode langsung.
Demonstrate Fourier transforms, filter topologies, and psychoacoustic curves interactively.
• Pengukur Kebisingan Leq
Survei tingkat kebisingan kontinu IEC 61672 dengan kurva dBA/dBC.
Measure ambient classroom noise, workplace OSHA exposure, and municipal sound compliance.
• Detektor Hum Listrik 50/60Hz
Diagnostik otomatis gangguan ground loop listrik 50 Hz/60 Hz dan dengung induksi.
Pinpoint 50 Hz and 60 Hz electrical interference and stray electromagnetic field spikes.
03Technical Specifications
| Acoustic Tools & Engines | Official Standards & Citations | Dynamic Range | Engineering & Practical Use Cases |
|---|---|---|---|
| Penganalisis Spektrum FFT 16K | 16K FFT / Blackman-Harris | 20 Hz – 20 kHz (±0.1 dB) | Audio Gear Testing |
| RTA Pita 1/3 Oktaf | ISO 266:1997 Standards | 31 1/3-Octave Center Bands | Studio Acoustic Tuning |
| Pengukur Kebisingan Leq | IEC 61672-1 Class 2 Engine | 0.1 dB Leq / L10 / L50 / L90 | Environmental Noise Monitoring |
| Tuner Nada Harmonik | HPS + YIN Autocorrelation | ±0.1 Cent (Sub-Cent) | Instrument Intonation |
100% Client-Side Private Audio DSP
Zero server uploads. All signal processing runs locally in browser memory. Your microphone audio never leaves your device memory.