Inventor

ACERO ALEJANDRO

US158 patents

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

ACERO ALEJANDRO

MICROSOFT CORP

Including the category of environmental noise when processing speech signals

Text-to-speech using clustered context-dependent phoneme-based units

Multichannel acoustic echo reduction

Using automated content analysis for audio/video content consumption

Method and apparatus for indexing speech

Method of noise reduction based on dynamic aspects of speech

Grammar authoring system

Method and apparatus for removing noise from feature vectors

Method and system of runtime acoustic unit selection for speech synthesis

System for automatically annotating training data for a natural language understanding system

Robust adaptive beamforming with enhanced noise suppression

Language model adaptation using semantic supervision

Method of noise reduction using correction vectors based on dynamic aspects of speech and noise normalization

Non-linear observation model for removing noise from corrupted signals

Annotating programs for automatic summary generation

Method and apparatus for using formant models in speech systems

Method and apparatus for pitch tracking

Method and system for improving speech recognition through front-end normalization of feature vectors

Deep structured semantic model produced using click-through data

System and method for identifying semantic intent from acoustic information

Sound source separation using convolutional mixing and a priori sound source knowledge

Spatial audio for audio conferencing

Method and apparatus for constructing a speech filter using estimates of clean speech and noise

Multi-sensory speech detection system

Method of determining uncertainty associated with acoustic distortion-based noise reduction

Method and apparatus for identifying noise environments from noisy signals

Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization

Method of determining uncertainty associated with acoustic distortion-based noise reduction

Method of noise estimation using incremental bayes learning

Method of iterative noise estimation in a recursive framework

Method of pattern recognition using noise reduction uncertainty

Method of noise reduction using correction and scaling vectors with partitioning of the acoustic space in the domain of noisy speech

Method of iterative noise estimation in a recursive framework

Method and apparatus for using formant models in resonance control for speech systems

Method and apparatus for speech synthesis with efficient spectral smoothing

Sensor array beamformer post-processor

Combined speech and alternate input modality to a mobile device

Integrated speech recognition and semantic classification

Spatial noise suppression for a microphone array

Removing noise from feature vectors

Method and apparatus for multi-sensory speech enhancement

Discriminative training of language models for text and speech classification

APPLE INC

Low-latency intelligent automated assistant

Low-latency intelligent automated assistant

Low-latency intelligent automated assistant

APPLE COMPUTER

Rapid tree-based method for vector quantization

Sub-partitioned vector quantization of probability density functions

TASHEV IVAN J

Acoustic echo suppression

TASHEV IVAN

Robust adaptive beamforming with enhanced noise suppression

ZHANG ZHENGYOU

Visual feedback for natural head positioning