Processor extensions for accelerating spectral band replication
US8015368B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Jul 15, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/3897
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Enhancements to hardware architectures (e.g., a RISC processor or a DSP processor) to accelerate spectral band replication (SBR) processing are described. In some embodiments, instruction extensions configure a reconfigurable processor to accelerat SBR and other audio processing. In addition to the instruction extensions, execution units (e.g., multiplication and accumulation units (MACs)) may operate in parallel to reduce the number of audio processing cycles. Performance may be further enhanced through the use of source and destination units which are configured to work with the execution units and quickly fetch and store source and destination operands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.