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9043203 Audio encoder, audio decoder, methods for encoding and decoding an audio signal, and a computer program  
An encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator configured to determine a multi-band...
9037458 Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentation  
Spatially selective augmentation of a multichannel audio signal is described.
9031838 Method and apparatus for voice clarity and speech intelligibility detection and correction  
Systems, methods and apparatus are described herein for continuously measuring voice clarity and speech intelligibility by evaluating a plurality of telecommunications channels in real time. Voice...
9031840 Identifying media content  
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving (i) audio data that encodes a spoken natural language query, and (ii) environmental...
9031837 Speech quality evaluation system and storage medium readable by computer therefor  
In prediction of a speech quality evaluation score such as a phone speech, even when a background noise exists, a subjective opinion score is predicted with high precision. A speech quality...
9031836 Method and apparatus for automatic communications system intelligibility testing and optimization  
Systems and methods for automatic user specific, condition specific communication system intelligibility testing and optimization are provided. The intelligibility of speech for a particular user...
9026451 Pitch post-filter  
Methods and systems for using pitch predictors in speech/audio coders are provided. Techniques for optimal pre- and post-filtering are presented, and a general result that post-filtering is more...
9026440 Method for identifying speech and music components of a sound signal  
The present invention relates to means and methods of automated difference recognition between speech and music signals in voice communication systems, devices, telephones, and methods, and more...
9026439 Verbal intelligibility analyzer for audio announcement systems  
A device and method are disclosed for testing the intelligibility of audio announcement systems. The device may include a microphone, a translation engine, a processor, a memory associated with...
9020816 Hidden markov model for speech processing with training method  
A method, system and apparatus are shown for identifying non-language speech sounds in a speech or audio signal. An audio signal is segmented and feature vectors are extracted from the segments of...
9020815 Spectral envelope coding of energy attack signal  
MDCT or FFT-based audio coding algorithms often have the problem named here spectral pre-echoes when coding an energy attack signal. This invention presents several possibilities to avoid the...
9020814 Pulse encoding and decoding method and pulse codec  
In a pulse encoding and decoding method and a pulse codec, more than two tracks are jointly encoded, so that free codebook space in the situation of single track encoding can be combined during...
9020813 Speech enhancement system and method  
A speech enhancement system improves speech conversion within an encoder and decoder. The system includes a first device that converts sound waves into operational signals. A second device selects...
9009035 Method for processing multichannel acoustic signal, system therefor, and program  
A method for processing multichannel acoustic signals which processes input signals of a plurality of channels including the voices of a plurality of speaking persons. The method is characterized...
9009039 Noise adaptive training for speech recognition  
Technologies are described herein for noise adaptive training to achieve robust automatic speech recognition. Through the use of these technologies, a noise adaptive training (NAT) approach may...
9009034 Voice activity detection/silence suppression system  
A Voice Activity Detection/Silence Suppression (VAD/SS) system is connected to a channel of a transmission pipe. The channel provides a pathway for the transmission of energy. A method for...
9008329 Noise reduction using multi-feature cluster tracker  
Provided are methods and systems for noise suppression within multiple time-frequency points of spectral representations. A multi-feature cluster tracker is used to track signal and noise sources...
9002030 System and method for performing voice activity detection  
A Voice Activity Detection (VAD) algorithm provides a simple binary signal indicating the presence or absence of speech in a microphone signal. The VAD algorithm includes a first step of noise...
8996365 Howling canceller  
A howling canceller which suppresses occurrence of howling even when an open loop gain exceeds “1” in the whole reproduction band. In the howling canceller, an adaptive filter (107) operates a...
8996382 Lips blockers, headsets and systems  
Systems and methods for inhibiting access to the lips of speaking person including a sound receiving device for receiving speech of a person speaking, the person having lips that move when the...
8996389 Artifact reduction in time compression  
Various techniques are disclosed for reducing artifacts generated by time compression. by adapting the time compression based on the state of the received audio. The amount of time compression may...
8990073 Method and device for sound activity detection and sound signal classification  
A device and method for estimating a tonal stability of a sound signal include: calculating a current residual spectrum of the sound signal; detecting peaks in the current residual spectrum;...
8983844 Transmission of noise parameters for improving automatic speech recognition  
Methods and systems for transmission of noise parameters for improving automatic speech recognition are disclosed. A system includes one or more microphones, wherein each microphone is configured...
8983851 Noise filer, noise filling parameter calculator encoded audio signal representation, methods and computer program  
A noise filler for providing a noise-filled spectral representation of an audio signal on the basis of an input spectral representation of the audio signal has a spectral region identifier...
8983833 Method and apparatus for masking wind noise  
Wind and other noise is suppressed in a signal by adaptively changing characteristics of a filter. The filter characteristics are changed in response to the noise content of the signal over time...
8977545 System and method for multi-channel noise suppression  
Described herein are multi-channel noise suppression systems and methods that are configured to detect and suppress wind and background noise using at least two spatially separated microphones: at...
8972251 Generating a masking signal on an electronic device  
An electronic device for generating a masking signal is described. The electronic device includes a plurality of microphones and a speaker. The electronic device also includes a processor and...
8972256 System and method for dynamic noise adaptation for robust automatic speech recognition  
A speech processing method and arrangement are described. A dynamic noise adaptation (DNA) model characterizes a speech input reflecting effects of background noise. A null noise DNA model...
8972250 Enhancement of multichannel audio  
The invention relates to audio signal processing. More specifically, the invention relates to enhancing multichannel audio, such as television audio, by applying a gain to the audio that has been...
8972255 Method and device for classifying background noise contained in an audio signal  
Embodiments of methods and devices for classifying background noise contained in an audio signal are disclosed. In one embodiment, the device includes a module for extracting from the audio signal...
8965758 Audio signal de-noising utilizing inter-frame correlation to restore missing spectral coefficients  
In the field of audio encoding/decoding technologies, a signal de-noising method is provided. The method includes: selecting, according to a degree of inter-frame correlation of a frame where a...
8965756 Automatic equalization of coloration in speech recordings  
Systems and methods to automatically equalize coloration in speech recordings is provided. In example embodiments, a reference spectral shape based on a reference signal is determined. An...
8965757 System and method for multi-channel noise suppression based on closed-form solutions and estimation of time-varying complex statistics  
Multi-channel noise suppression systems and methods are described that omit the traditional delay-and-sum fixed beamformer in devices that include a primary speech microphone and at least one...
8959018 Pulse encoding and decoding method and pulse codec  
In a pulse encoding and decoding method and a pulse codec, more than two tracks are jointly encoded, so that free codebook space in the situation of single track encoding can be combined during...
8958571 MIC covering detection in personal audio devices  
A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise...
8954323 Method for processing multichannel acoustic signal, system thereof, and program  
A method for processing multichannel acoustic signals, whereby input signals of a plurality of channels including the voices of a plurality of speaking persons are processed. The method is...
8949120 Adaptive noise cancelation  
Systems and methods for controlling adaptivity of noise cancellation are presented. One or more audio signals are received by one or more corresponding microphones. The one or more signals may be...
8949121 Method and means for encoding background noise information  
The inventive method provides for an encoder in a voice codec to be designed such that after a particular idle time (“Idle Period”) it recalculates the averaged energy and the autocorrelation...
8948416 Wireless telephone having multiple microphones  
The present invention is directed to a wireless telephone having a first microphone and a second microphone and a method for processing audio signal in a wireless telephone having a first...
8949114 Method and arrangement for estimating the quality degradation of a processed signal  
An objective quality assessment method for obtaining an improved estimate of a perceptual quality degradation of a processed signal, and an arrangement for executing such a method, is provided,...
8942976 Method and device for noise reduction control using microphone array  
The present invention provides a noise reduction control method using a microphone array and a noise reduction control device using a microphone array wherein the method comprises the steps of:...
8935159 Noise removing system in voice communication, apparatus and method thereof  
Disclosed is the system and method to remove noises in voice signals in a voice communication. The at least one embodiment of the present disclosure performs a spectral subtraction (SS) for voice...
8935164 Non-spatial speech detection system and method of using same  
A non-spatial speech detection system includes a plurality of microphones whose output is supplied to a fixed beamformer. An adaptive beamformer is used for receiving the output of the plurality...
8930186 Speech enhancement with minimum gating  
A speech enhancement system enhances transitions between speech and non-speech segments. The system includes a background noise estimator that approximates the magnitude of a background noise of...
8924206 Electrical apparatus and voice signals receiving method thereof  
An electrical apparatus a voice signal receiving method thereof are disclosed. The electrical apparatus includes a plurality of voice receivers, a voice activity detector, a voice channel switch...
8924204 Method and apparatus for wind noise detection and suppression using multiple microphones  
Unlike sound based pressure waves that go everywhere, air turbulence caused by wind is usually a fairly local event. Therefore, in a system that utilizes two or more spatially separated...
8924199 Voice correction device, voice correction method, and recording medium storing voice correction program  
A voice correction device includes a detector that detects a response from a user, a calculator that calculates an acoustic characteristic amount of an input voice signal, an analyzer that outputs...
8924205 Methods and systems for automatic enablement or disablement of noise reduction within a communication device  
The invention automatically enables and disables noise reduction based on a noise threshold. This threshold can be pre-defined by a user for a particular machine or can be defined “on the fly”...
8924207 Method and apparatus for transcoding audio data  
A method and apparatus for transcoding audio data. The method includes determining if AAC joint stereo exists, running a reference AC-3 rematrixing when the AAC joint stereo does not exist, when...
8918313 Replay apparatus, signal processing apparatus, and signal processing method  
A method of selectively performing signal processing in a first mode and in a second mode. In the first mode, a noise cancel signal having a signal characteristic to cancel an external noise...