Inventor

RAGOT STEPHANE

FR50 patents

⚠️ This page may combine multiple inventors who share the name “RAGOT STEPHANE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAGOT STEPHANE

ORANGE

Resampling of an audio signal by interpolation for low-delay encoding/decoding

Effective pre-echo attenuation in a digital audio signal

Resampling of an audio signal interrupted with a variable sampling frequency according to the frame

Frequency band extension in an audio signal decoder

Correction of frame loss during signal decoding

Adaptive channel-reduction processing for encoding a multi-channel audio signal

Frame loss management in an FD/LPD transition context

Determining a budget for LPD/FD transition frame encoding

Determining a budget for LPD/FD transition frame encoding

Optimized coding and decoding of spatialization information for the parametric coding and decoding of a multichannel audio signal

Optimized coding and decoding of spatialization information for the parametric coding and decoding of a multichannel audio signal

Signaling of a request to adapt a voice-over-IP communication session

Bitrate adaptation of a voice-over-IP communication session

Frame loss management in an FD/LPD transition context

Effective attenuation of pre-echoes in a digital audio signal

Discrimination and attenuation of pre echoes in a digital audio signal

Frame loss correction with voice information

Transition from a transform coding/decoding to a predictive coding/decoding

KONINKLIJKE PHILIPS NV

Frequency band extension in an audio signal decoder

Resampling an audio signal for low-delay encoding/decoding

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Frequency band extension in an audio signal decoder

Frequency band extension in an audio signal decoder

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Resampling an audio signal for low-delay encoding/decoding

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Frequency band extension in an audio signal decoder

Frequency band extension in an audio signal decoder

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Optimized scale factor for frequency band extension in an audio frequency signal decoder

Optimized scale factor for frequency band extension in an audio frequency signal decoder

KOVESI BALAZS

Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules

Pre-echo attenuation in a digital audio signal

Hierarchical coding of digital audio signals

Transmission error dissimulation in a digital signal with complexity distribution

Limitation of distortion introduced by a post-processing step during digital signal decoding

Synthesis of lost blocks of a digital audio signal, with pitch period correction

Processing of bit errors in a digital audio bit frame

RAGOT STEPHANE

Coding/decoding of digital audio signals

Device for perceptual weighting in audio encoding/decoding

Method for switching rate and bandwidth scalable audio decoding rate

Restrained vector quantisation

FRANCE TELECOM

Hierarchical encoding/decoding device

Encoding/decoding of digital signals, especially in vector quantization with permutation codes

Encoding/decoding of digital signals, especially in vector quantization with permutation codes

Encoding/decoding of digital signals, especially in vector quantization with permutation codes

VOICEAGE CORP

Method and system for multi-rate lattice vector quantization of a signal

HOANG THI MINH NGUYET

Optimized low-bit rate parametric coding/decoding