Tin Pan Alley's sophisticated songwriting experienced a surge in popularity during the Rock 'n' Roll era. true or false

True that’s the answer true

If your choices are: -cropping  -anti-aliasing-imperfection-contrastdownsampling is done to decrease the bit rate when transmitting over a limited bandwidth or to convert to a more limited audio format. this is the opposite of upsampling. so the answer is contrast.