if (wave1.mode() != 8) { assert(0); return false; }
switch (wave1.num_channels()) { case 1: wave2.set_info(1, 16, wave1.sample_rate()); for (size_t i = 0; i < wave1.num_units() * wave1.num_channels(); i++) { int value = wave1.data_8bit(i); assert(0 <= value && value <= 255); value <<= 8; value -= 32768; assert(-32768 <= value && value <= 32767); wave2.push_16bit(uint16_t(value)); } break;
