Digital signal processing apparatus of communication terminal for adaptably transmitting voice data to allotted uplink channels and voice data transmission method thereof
US7308284B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 13, 2004 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Nov 29, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/21
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a digital signal processing apparatus of a communication terminal for adaptably transmitting voice data to allotted uplink channels and a voice data transmission method thereof. The digital signal processing apparatus comprises a plurality of speech coders for compressing the sampled voice data with each compression rate predetermined according to the number of packet channels capable of being allotted, a plurality of channel coders for channel-coding each set of voice data, compressed by each speech coder, according to respective predetermined codes, and a switching section, for outputting voice data which are compressed and channel-coded corresponding to the number of the allotted packet channels when packet channels are allotted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.