Rafi Rabipour
43Patents
15h-index
33Co-inventors
81Inventor score
Filing activity: Jun 2, 1988 → Dec 14, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5455888A | Speech bandwidth extension method and apparatus | Physics | 421 | Expired |
| US6038452A | Telecommunication network utilizing a quality of service protocol | Electricity | 296 | Expired |
| US5642464A | Methods and apparatus for noise conditioning in digital speech compression systems using linear predictive coding | Physics | 231 | Expired |
| US5995923A | Method and apparatus for improving the voice quality of tandemed vocoders | Electricity | 83 | Expired |
| US5768308A | System for TDMA mobile-to-mobile VSELP codec bypass | Electricity | 42 | Expired |
| US6363339B1 | Dynamic vocoder selection for storing and forwarding voice signals | Electricity | 40 | Expired |
| US7006456B2 | Method and apparatus for packet-based media communication | Electricity | 36 | Expired |
| US6138022A | Cellular communication network with vocoder sharing feature | Electricity | 33 | Expired |
| US6148422A | Telecommunication network utilizing an error control protocol | Electricity | 25 | Expired |
| US6185424A | System for TDMA mobile-to-mobile VSELP CODEC bypass | Electricity | 25 | Expired |
| US5774847A | Methods and apparatus for distinguishing stationary signals from non-stationary signals | Physics | 23 | Expired |
| US7203226B1 | Methods and apparatus for data communication | Physics | 18 | Expired |
| US6011846A | Methods and apparatus for echo suppression | Physics | 17 | Expired |
| US6324515A | Method and apparatus for asymmetric communication of compressed speech | Physics | 15 | Expired |
| US4853958A | LPC-based DTMF receiver for secondary signalling | Electricity | 15 | Expired |
| US5893056A | Methods and apparatus for generating noise signals from speech signals | Physics | 12 | Expired |
| US6026356A | Methods and devices for noise conditioning signals representative of audio information in compressed and digitized form | Physics | 11 | Expired |
| US6766291B2 | Method and apparatus for controlling the transition of an audio signal converter between two operative modes based on a certain characteristic of the audio input signal | Electricity | 10 | Expired |
| US5577117A | Methods and apparatus for estimating and adjusting the frequency response of telecommunications channels | Electricity | 8 | Expired |
| US6721707B1 | Method and apparatus for controlling the transition of an audio converter between two operative modes in the presence of link impairments in a data communication channel | Electricity | 7 | Expired |
| US9277057B2 | Mechanism for dynamic signaling of encoder capabilities | Electricity | 6 | Active |
| US7639601B2 | Methods and apparatus for data communication | Electricity | 6 | Expired |
| US5943645A | Method and apparatus for computing measures of echo | Electricity | 6 | Expired |
| US7734462B2 | Method and apparatus for extending the bandwidth of a speech signal | Physics | 5 | Active |
| US7990865B2 | Communicating processing capabilities along a communications path | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.