Intro to Computational Linguistics
Speech Frontend Demo
Record your voice, inspect the waveform, generate a spectrogram, isolate a spectral feature vector, and apply log-mel features.
- Status
- Idle
- Input sample rate
- -
- Analysis sample rate
- 16,000 Hz
- Duration
- -
- Frames
- -
- Mel bins
- 40
Spectrogram
Short-time Fourier transform heatmap over time. The orange line marks the selected frame.
Spectral Feature Vector
Heatmap of one selected STFT spectrum slice before log-mel.
Log-Mel Frame
The same selected time frame after mel filtering and log compression.