Effects of DAC Nonlinearity on Reproduction of Noise-Shaped Signals

Benjamin E. Effects of DAC Nonlinearity on Reproduction of Noise-Shaped Signals. In: AES Convention 95. Audio Engineering Society; 1993. Paper 3778. Available from: https://aes.org/publications/elibrary-page/?id=6455

@inproceedings{Benjamin1993_6455,
  author = {Benjamin, Eric},
  title = {{Effects of DAC Nonlinearity on Reproduction of Noise-Shaped Signals}},
  booktitle = {AES Convention 95},
  note = {Paper 3778},
  year = {1993},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=6455}
}

TY  - CPAPER
TI  - Effects of DAC Nonlinearity on Reproduction of Noise-Shaped Signals
AU  - Benjamin, Eric
T2  - AES Convention 95
M1  - Paper 3778
PY  - 1993
DA  - 1993/10/06
UR  - https://aes.org/publications/elibrary-page/?id=6455
PB  - Audio Engineering Society
LA  - en
AB  - Current technology allows the recording of digital audio with 20 bits or greater resolution and nearly commensurate signal-to-noise ratios. Techniques have been proposed for reducing 20-bit or 18-bit audio to 16 bits ( for CD or DAT reproduction) using noise shaping, with minimal increase in perceived noise. The published proposals use an nth-order noise shaper to shape the truncation quantization noise to be minimally audible according to a selected noise weighting curve. Published simulations of 1 LSB (16 bit) of DAC differential nonlinearity, with ninth-order noise shaping of the quantization noise, show that much of the advantage of the noise shaping is lost. Can available DACs reproduce these signals? How little nonlinearity must the DAC have to retain the advantages of noise shaping? What other problems occur with DACs that would affect the utility of noise shaping? This paper addresses these questions.
ER  -