Digital signal processing apparatus and digital signal processing method
US7299100B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 29, 2003 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Nov 10, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F15/8053
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Herein disclosed is a digital signal processing apparatus comprising: input means for inputting a plurality of acoustic signals from an external outputting device; a plurality of digital signal processing units electrically connected with one another in series to form a closed loop, for receiving and processing said acoustic signals as shared data elements in a sequential order; and output means for outputting a plurality of acoustic data elements processed and generated by said digital signal processing units to an external inputting device, whereby each of said digital signal processing units comprises: receiving means for receiving said shared data elements from a preceding digital signal processing unit; copied data storing means for copying said shared data elements to a shared memory section; acoustic signal processing means for inputting said shared data elements stored in said shared memory section as an input signal, processing said shared data elements thus inputted, and writing an output signal into said shared memory section as shared data elements; transmitting data storing means for storing shared data elements stored in said shared memory section into a transmitting …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.