Computationally Efficient Conversion from Pulse-Code Modulation to Naturally Sampled Pulse-Width Modulation

Pascual C, Roeckner B. Computationally Efficient Conversion from Pulse-Code Modulation to Naturally Sampled Pulse-Width Modulation. In: AES Convention 109. Audio Engineering Society; 2000. Paper 5198. Available from: https://aes.org/publications/elibrary-page/?id=9140

@inproceedings{Pascual2000_9140,
  author = {Pascual, César and Roeckner, Bill},
  title = {{Computationally Efficient Conversion from Pulse-Code Modulation to Naturally Sampled Pulse-Width Modulation}},
  booktitle = {AES Convention 109},
  note = {Paper 5198},
  year = {2000},
  month = sep,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=9140}
}

TY  - CPAPER
TI  - Computationally Efficient Conversion from Pulse-Code Modulation to Naturally Sampled Pulse-Width Modulation
AU  - Pascual, César
AU  - Roeckner, Bill
T2  - AES Convention 109
M1  - Paper 5198
PY  - 2000
DA  - 2000/09/06
UR  - https://aes.org/publications/elibrary-page/?id=9140
PB  - Audio Engineering Society
LA  - en
AB  - This paper describes two new algorithms to convert a uniformly sampled sequence into a naturally sampled pulse-width modulation (NPWM) signal. They are suitable for both single- and double-edge NPWM. Single-edge algorithm A requires nine additions and seven multiplications per output sample and achieves a total harmonic distortion (THD) of -88.48 dB when the input signal is a 6.66-kHz tone upsampled 8 times. Single-edge algorithm B requires 14 additions, 11 multiplications, and one comparison per output sample and yields -113.07 dB of THD under the same conditions. Intermodulation distortion is very low for both algorithms. Polynomial interpolation methods with the same degree of accuracy are computationally more expensive. The algorithms have enabled the implementation of digital audio amplifiers performing efficient real-time digital signal processing.:
ER  -