An Implementation of MPEG-4 ALS Standard Compliant Decoder on ARM Core CPUs

Harada N, Moriya T, Kamamoto Y. An Implementation of MPEG-4 ALS Standard Compliant Decoder on ARM Core CPUs. In: AES Convention 125. Audio Engineering Society; 2008. Paper 7625. Available from: https://aes.org/publications/elibrary-page/?id=14776

@inproceedings{Harada2008_14776,
  author = {Harada, Noboru and Moriya, Takehiro and Kamamoto, Yutaka},
  title = {{An Implementation of MPEG-4 ALS Standard Compliant Decoder on ARM Core CPUs}},
  booktitle = {AES Convention 125},
  note = {Paper 7625},
  year = {2008},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=14776}
}

TY  - CPAPER
TI  - An Implementation of MPEG-4 ALS Standard Compliant Decoder on ARM Core CPUs
AU  - Harada, Noboru
AU  - Moriya, Takehiro
AU  - Kamamoto, Yutaka
T2  - AES Convention 125
M1  - Paper 7625
PY  - 2008
DA  - 2008/10/06
UR  - https://aes.org/publications/elibrary-page/?id=14776
PB  - Audio Engineering Society
LA  - en
AB  - MPEG-4 Audio Lossless Coding (ALS) is a standard that losslessly compresses audio signals in an efficient manner. MPEG-4 ALS is a suitable compression scheme for high-sound-quality portable music players. We have implemented a decoderder compliant with the MPEG-4 ALS standard on the ARM platform. In this paper, the required CPU resources for MPEG-4 ALS tools on ARM9E are characterized by using an ARM CPU emulator, called ARMulator, as a simulation platform. It is shown that the required CPU clock cycle for decoding MPEG-4 ALS standard compliant bitstreams is less than 20 MHz for 44.1-kHz-16-bit, stereo signals on ARM9E when the combination of the MPEG-4 ALS tools is properly selected and coding parameters are properly restricted.
ER  -