1
Serafin Diaz Spindola: Frame erasure concealment in voice communications. QUALCOMM Incorporated, Thomas R Rouse, April 14, 2009: US07519535 (20 worldwide citation)

A voice decoder configured to receive a sequence of frames, each of the frames having voice parameters. The voice decoder includes a speech generator that generates speech from the voice parameters. A frame erasure concealment module is configured to reconstruct the voice parameters for a frame eras ...


2
Rohit Kapoor, Serafin Diaz Spindola: Time-warping frames of wideband vocoder. QUALCOMM Incorporated, Heejong Yoo, August 7, 2012: US08239190 (14 worldwide citation)

A method of communicating speech comprising time-warping a residual low band speech signal to an expanded or compressed version of the residual low band speech signal, time-warping a high band speech signal to an expanded or compressed version of the high band speech signal, and merging the time-war ...


3
Serafin Diaz Spindola, Peter J Black, Rohit Kapoor: Method for discontinuous transmission and accurate reproduction of background noise information. QUALCOMM Incorporated, Larry J Moskowitz, Heejong Yoo, January 24, 2012: US08102872 (10 worldwide citation)

The present invention comprises a method of communicating background noise comprising the steps of transmitting background noise, blanking subsequent background noise data rate frames used to communicate the background noise, receiving the background noise and updating the background noise. In anoth ...


4
Serafin Diaz Spindola, Peter J Black: Media (voice) playback (de-jitter) buffer adjustments based on air interface. QUALCOMM Incorporated, Heejong Yoo, December 27, 2011: US08085678 (9 worldwide citation)

Systems and methods for adapting a de-jitter buffer to conform to air link conditions. An air link characteristic may be detected before that characteristic begins to affect packet delivery, such as by slowing or speeding delivery delay at a subscriber station. A receiver-side de-jitter buffer, whic ...


5
Peter John Black, Rohit Kapoor, Serafin Diaz Spindola, Mehmet Yavuz: Method and apparatus for processing packetized data in a wireless communication system. QUALCOMM Incorporated, Rohit Kapoor, Mehmet Yavuz, October 19, 2010: US07817677 (8 worldwide citation)

Adaptive De-Jitter Buffer for Voice over IP (VoIP) for packet switch communications. The de-jitter buffer methods and apparatus presented avoid playback of underflows while balancing end-to-end delay. In one example, the de-jitter buffer is recalculated at the beginning of each talkspurt. In another ...


6
Peter John Black, Rohit Kapoor, Serafin Diaz Spindola, Mehmet Yavuz: Method and apparatus for an adaptive de-jitter buffer. QUALCOMM Incorporated, Kristine U Ekwueme, Anthony P Mauro, November 9, 2010: US07830900 (7 worldwide citation)

Adaptive De-Jitter Buffer for Voice over IP (VoIP) for packet switch communications. The de-jitter buffer methods and apparatus presented avoid playback of underflows while balancing end-to-end delay. In one example, the de-jitter buffer is recalculated at the beginning of each talkspurt. In another ...


7
Peter John Black, Rohit Kapoor, Serafin Diaz Spindola, Mehmet Yavuz: Method and apparatus for an adaptive de-jitter buffer in a wireless communication system. QUALCOMM Incorporated, Rohit Kapoor, Mehmet Yavuz, November 2, 2010: US07826441 (5 worldwide citation)

Adaptive De-Jitter Buffer for Voice over IP (VoIP) for packet switch communications. The de-jitter buffer methods and apparatus presented avoid playback of underflows while balancing end-to-end delay. In one example, the de-jitter buffer is recalculated at the beginning of each talkspurt. In another ...


8
Rohit Kapoor, Serafin Diaz Spindola: Time warping frames inside the vocoder by modifying the residual. QUALCOMM Incorporated, Larry J Moskowitz, Heejong Yoo, April 10, 2012: US08155965 (3 worldwide citation)

In one embodiment, the present invention comprises a vocoder having at least one input and at least one output, an encoder comprising a filter having at least one input operably connected to the input of the vocoder and at least one output, a decoder comprising a synthesizer having at least one inpu ...


9
Matthew S Grob, Serafin Diaz Spindola, Gerald V Wright Jr, Virginia Walker Keating: Automatic interfacing between a master device and object device. QUALCOMM Incorporated, Jennifer M Pascua, August 26, 2014: US08818274 (3 worldwide citation)

A master device images an object device and uses the image to identify the object device. The master device then automatically interfaces with the identified object device, for example, by pairing with the object device. The master device may receive broadcast data from the object device including i ...


10
Ashwin Swaminathan, Raghuraman Krishnamoorthi, Serafin Diaz Spindola, Murali Ramaswamy Chari: Determining capacity of search structures. QUALCOMM Incorporated, Silicon Valley Patent Group, December 29, 2015: US09223804 (3 worldwide citation)

A system for storing target images for object recognition predicts a querying performance for the target image if the target image were included in a search tree of a database. The search tree has a universal search tree structure that is fixed so that it does not change with the addition of new tar ...



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