Na tom převodu do .lyra souboru je úžasná komprese.
Soubor test.wav o velikosti 19,3 MB (20 270 428 bajtů)
ffmpeg -i test.mp3 -acodec pcm_s16le -ac 1 -ar 48000 test.wav
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, mono, s16, 768 kb/s
# bazel-bin/encoder_main --input_path=$HOME/temp/test.wav --output_dir=$HOME/temp --bitrate=3200
INFO: Created TensorFlow Lite XNNPACK delegate for CPU.
WARNING: Logging before InitGoogleLogging() is written to STDERR
I20221005 00:15:04.687291 14306 encoder_main_lib.cc:91] Elapsed seconds : 14
I20221005 00:15:04.688161 14306 encoder_main_lib.cc:92] Samples per second : 698869
test.lyra má potom 82,4 kB (84 456 bajtů)