Fork of:
https://github.com/JorenSix/pffft.wasm/tree/master
# proper coded for proper parsing into JS code
ffmpeg -i g_sharp_chord.wav -f f32le -acodec pcm_f32le g_sharp_chord.raw
ffmpeg -i 456.wav -f f32le -acodec pcm_f32le 456.raw
ffprobe -v error -of default=noprint_wrappers=1:nokey=1 -select_streams a:0 \
-show_entries stream=sample_fmt,channels,bits_per_raw_sample,sample_rate 456.raw
helper tools for debug:
https://onlinetonegenerator.com/ https://www.apronus.com/music/flashpiano.htm app: vocal pitch monitor
audio_block_size je závyslý na tom, kolik frekvencí to dokáže rozeznat? protože tak FFT funguje?
- TODO: implement FFT To sound + add sound debug framework
- ffmpeg