The spectrogram application is a simple program that computes the spectrograms of a set of audio files. It is designed to be fast and easy to use. It relies on the spectrogram module of the FFFT ...
Each horizontal slice of the spectrogram therefore represents ~94 Hz of bandwidth. You can increase resolution by using a larger FFT size (e.g. 1024, 2048), which allows for finer frequency detail ...
FFTは、時間軸を周波数軸へ変換してくれる演算です。 一定の時間間隔でサンプリングされた波形(時系列データ)を与えると、一定の周波数間隔で並んだデータ(周波数成分)が得られます。 FFT演算の答えは複素数(ベクトル)で得られ、そこから振幅や位相 ...
Abstract: The concept of the two-dimensional spectro-temporal modulation filtering of the auditory model is implemented for the FFT spectrogram. It analyzes the spectrogram in terms of the temporal ...