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9031619 Visual indication of active speech reception  
A method includes, during operation of a mobile handset when a voice call is in progress with a remote party, detecting an occurrence of a start of a discontinuous transmission period that results...
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...
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...
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...
8977556 Voice detector and a method for suppressing sub-bands in a voice detector  
Embodiments of the present invention relate to a voice detector receiving an input signal that is divided into sub-signals that represent a frequency sub-band. The voice detector calculates, for...
8954324 Multiple microphone voice activity detector  
Voice activity detection using multiple microphones can be based on a relationship between an energy at each of a speech reference microphone and a noise reference microphone. The energy output...
8942987 Identifying qualified audio of a plurality of audio streams for display in a user interface  
A clear picture of who is speaking in a setting where there are multiple input sources (e.g., a conference room with multiple microphones) can be obtained by comparing input channels against each...
8938389 Voice activity detector, voice activity detection program, and parameter adjusting method  
A frame extracting means 71 extracts frames from sample data as voice data in which whether each frame is an active voice frame or a non-active voice frame is already known. A feature quantity...
8930184 Signal bandwidth extending apparatus  
A signal bandwidth extending apparatus including: a bandwidth extending section configured to extend a frequency bandwidth of a target signal, the target signal included in an input signal; a...
8924200 Audio signal bandwidth extension in CELP-based speech coder  
A method for decoding an audio signal in a decoder having a CELP-based decoder element including a fixed codebook component, at least one pitch period value, and a first decoder output, wherein a...
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...
8913512 Telecommunication apparatus, method, and computer program controlling sporadic data transmissions  
A telecommunication apparatus (100, 200) enabled for high-speed packet access is disclosed. The apparatus (100, 200) is arranged to operate according to a reduced and a further reduced mode of...
8909524 Adaptive active noise canceling for handset  
Embodiments of the present invention provide an adaptive noise canceling system. The adaptive noise canceling system may be used in a handset to cancel background noise by generating an anti-noise...
8909519 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...
8892229 Audio apparatus  
An audio apparatus according to an embodiment includes an audio signal receiving unit, a music gap signal receiving unit, a playback unit, and a determining unit. The audio signal receiving unit...
8886529 Method and device for the objective evaluation of the voice quality of a speech signal taking into account the classification of the background noise contained in the signal  
A method and device are provided for the objective evaluation of voice quality of a speech signal. The device includes: a module for extracting a background noise signal, referred to as a noise...
8886527 Speech recognition system to evaluate speech signals, method thereof, and storage medium storing the program for speech recognition to evaluate speech signals  
A purpose is to suppress recognition process delay generated due to load in signal processing. Included is a speech input means 10 that inputs a speech signal, an output evaluation means 20 that...
8868432 Audio signal bandwidth extension in CELP-based speech coder  
A method for decoding an audio signal having a bandwidth that extends beyond a bandwidth of a CELP excitation signal in an audio decoder including a CELP-based decoder element. The method includes...
8856001 Speech sound detection apparatus  
A speech sound detection apparatus receives an input audio signal (as a sound reception unit), and computes input power that indicates a magnitude of the sound represented by the audio signal (as...
8825478 Real time generation of audio content summaries  
Audio content is converted to text using speech recognition software. The text is then associated with a distinct voice or a generic placeholder label if no distinction can be made. From the text...
8818811 Method and apparatus for performing voice activity detection  
This application relates to a voice activity detection (VAD) apparatus configured to provide a voice activity detection decision for an input audio signal. The VAD apparatus includes a state...
8781821 Voiced interval command interpretation  
A method is disclosed for controlling a voice-activated device by interpreting a spoken command as a series of voiced and non-voiced intervals. A responsive action is then performed according to...
8775168 Yule walker based low-complexity voice activity detector in noise suppression systems  
A Yule-Walker based, low-complexity voice activity detector (VAD) is disclosed. An input signal is typically noisy speech (i.e., corrupted with, for example, babble noise). In one embodiment, a...
8762144 Method and apparatus for voice activity detection  
A method and apparatus for detecting voice activity are disclosed. The method of detecting voice activity includes: extracting a feature parameter from a frame signal; determining whether the...
8762158 Decoding method and decoding apparatus therefor  
A method and apparatus for generating synthesis audio signals are provided. The method includes decoding a bitstream; splitting the decoded bitstream into n sub-band signals; generating n...
8751223 Encoded packet selection from a first voice stream to create a second voice stream  
In one implementation, a first voice stream for a packet-switched call is received from a calling party. The first voice stream conforms to a first silence suppression scheme and comprises a...
8731914 System and method for winding audio content using a voice activity detection algorithm  
A system and method for locating a preferable playback start location after a winding or rewinding action in an audio playing device. In response to an adjustment of the playing location for audio...
8700390 Operating method for 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...
8687831 Optimized energy and data transfer in hearing implant systems  
An external device for a hearing implant system and a hearing implant system having an external device is described. An external transmitter generates a radio-frequency inductive link signal to an...
8682662 Method and apparatus for voice activity determination  
In accordance with an example embodiment of the invention, there is provided an apparatus for detecting voice activity in an audio signal. The apparatus comprises a first voice activity detector...
8676572 Computer-implemented system and method for enhancing audio to individuals participating in a conversation  
A computer-implemented system and method for enhancing audio to individuals participating in a conversation is provided. Audio data for individuals participating in one or more conversations is...
8670990 Dynamic time scale modification for reduced bit rate audio coding  
Systems and methods are described that utilize dynamic time scale modification (TSM) to achieve reduced bit rate audio coding. In accordance with embodiments, different levels of TSM compression...
8654933 Mass-scale, user-independent, device-independent, voice messaging system  
A mass-scale, user-independent, device-independent, voice messaging system that converts unstructured voice messages into text for display on a screen is disclosed. The system comprises (i)...
8645133 Adaptation of voice activity detection parameters based on encoding modes  
Encoding audio signals with selecting an encoding mode for encoding the signal categorizing the signal into active segments having voice activity and non-active segments having substantially no...
8626498 Voice activity detection based on plural voice activity detectors  
A voice activity detection (VAD) system includes a first voice activity detector, a second voice activity detector and control logic. The first voice activity detector is included in a device and...
8589153 Adaptive conference comfort noise  
A continuous comfort noise is provided that is overlaid for the entire duration of a conference call scenario. The comfort noise may be adapted to match the levels of the actual background noise...
8583427 Voice and data exchange over a packet based network with voice detection  
A signal processing system which discriminates between voice signals and data signals modulated by a voiceband carrier. The signal processing system includes a voice exchange, a data exchange and...
8583428 Sound source separation using spatial filtering and regularization phases  
Described is a multiple phase process/system that combines spatial filtering with regularization to separate sound from different sources such as the speech of two different speakers. In a first...
8577674 Operating methods for 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...
8577675 Method and device for speech enhancement in the presence of background noise  
In one aspect thereof the invention provides a method for noise suppression of a speech signal that includes, for a speech signal having a frequency domain representation dividable into a...
8560301 Apparatus and method for language expression using context and intent awareness  
A language expression apparatus and a method based on a context and a intent awareness, are provided. The apparatus and method may recognize a context and an intent of a user and may generate a...
8554547 Voice activity decision base on zero crossing rate and spectral sub-band energy  
A voice activity detection method and apparatus, and an electronic device are provided. The method includes: obtaining a time domain parameter and a frequency domain parameter from an audio frame;...
8554560 Voice activity detection  
Discrimination between two classes comprises receiving a set of frames including an input signal and determining at least two different feature vectors for each of the frames. Discrimination...
8554564 Speech end-pointer  
A rule-based end-pointer isolates spoken utterances contained within an audio stream from background noise and non-speech transients. The rule-based end-pointer includes a plurality of rules to...
8543391 Method and apparatus for improving sound quality  
Disclosed is a method of improving a sound quality, including: receiving a transmission signal of a first user equipment; removing noise in the transmission signal using noise information of the...
8532986 Speech signal evaluation apparatus, storage medium storing speech signal evaluation program, and speech signal evaluation method  
A speech signal evaluation apparatus includes: an acquisition unit that acquires, as a first frame, a speech signal of a specified length from speech signals; a first detection unit that detects,...
8532989 Command recognition device, command recognition method, and command recognition robot  
A command recognition device includes: an utterance understanding unit that determines or selects word sequence information from speech information; speech confidence degree calculating unit that...
8504358 Voice recording equipment and method  
In a voice recording equipment and method, voice data from a speaker is received using a microphone. Threshold values T1 and T2 of surrounding environment of the voice recording equipment are...
8478595 Fundamental frequency pattern generation apparatus and fundamental frequency pattern generation method  
A fundamental frequency pattern generation apparatus includes a first storage including representative vectors each corresponding to a prosodic control unit and having a section for changing the...
8463600 System and method for adjusting floor controls based on conversational characteristics of participants  
A system and method for automatically adjusting floor controls based on conversational characteristics is provided. Audio streams are received, which each originate from an audio source. Floor...

Matches 1 - 50 out of 277 1 2 3 4 5 6 >