Ideálne nagenerovať si SoX-om, máš tak absolútnu kontrolu nad obsahom (formáty, dĺžky, úrovne, Fs, kvantizácia, dither, mix podľa ľubovôle).
Prehľad viď napr. Sox in phonetic research#Synthesis.
Základný PCM1644 set 10s trackov s peak úrovňou -1dBFS si nageneruješ napr. nasledovnou dávkou:
sox -V -r 44100 -c 2 -b 16 -n sin.00010.1644.10s.wav synth 10 sine 10 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sin.00020.1644.10s.wav synth 10 sine 20 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sin.00100.1644.10s.wav synth 10 sine 100 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sin.01000.1644.10s.wav synth 10 sine 1000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sin.10000.1644.10s.wav synth 10 sine 10000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sin.20000.1644.10s.wav synth 10 sine 20000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n square.00010.1644.10s.wav synth 10 square 10 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n square.00100.1644.10s.wav synth 10 square 100 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n square.01000.1644.10s.wav synth 10 square 1000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n triangle.00010.1644.10s.wav synth 10 triangle 10 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n triangle.00100.1644.10s.wav synth 10 triangle 100 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n triangle.01000.1644.10s.wav synth 10 triangle 1000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sawtooth.00010.1644.10s.wav synth 10 sawtooth 10 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sawtooth.00100.1644.10s.wav synth 10 sawtooth 100 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sawtooth.01000.1644.10s.wav synth 10 sawtooth 1000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sweep-lin.20-20k.1644.10s.wav synth 10 sine 20:20000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n sweep-exp.20-20k.1644.10s.wav synth 10 sine 20/20000 vol -1dB
sox -V -r 44100 -c 2 -b 16 -n noise-white.1644.10s.wav synth 10 whitenoise vol -1dB
sox -V -r 44100 -c 2 -b 16 -n noise-pink.1644.10s.wav synth 10 pinknoise vol -1dB
Pre protokol dodávam, že narábať s tým treba s citom, prehrávať ideálne do umelej záťaže s príposluchom - pri naivnom použití sa dá v priebehu pár sekúnd prísť o výškače/sluchátka, v krajnom prípade aj o sluch...