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9037457 Audio codec supporting time-domain and frequency-domain coding modes  
An audio codec supporting both, time-domain and frequency-domain coding modes, having low-delay and an increased coding efficiency in terms of iterate/distortion ratio, is obtained by configuring...
8990074 Noise-robust speech coding mode classification  
A method of noise-robust speech classification is disclosed. Classification parameters are input to a speech classifier from external components. Internal classification parameters are generated...
8983832 Systems and methods for identifying speech sound features  
Systems and methods for detecting features in spoken speech and processing speech sounds based on the features are provided. One or more features may be identified in a speech sound. The speech...
8977557 Method, medium, and apparatus encoding and/or decoding multichannel audio signals  
A method, medium, and apparatus encoding and/or decoding a multichannel audio signal. The method includes detecting the type of spatial extension data included in an encoding result of an audio...
8972246 Method of embedding digital information into audio signal machine-readable storage medium and communication terminal  
A method for embedding digital information into an audio signal, is provided. The method includes dividing the digital information into low-priority data and high-priority data; dividing the audio...
8972270 Method and an apparatus for processing an audio signal  
A method for processing an audio signal is disclosed. The method for processing an audio signal includes frequency-transforming an audio signal to generate a frequency-spectrum, deciding a...
8954320 System and method for noise reduction in processing speech signals by targeting speech and disregarding noise  
An exemplary noise reduction system and method processes a speech signal that is delivered in a noisy channel or with ambient noise. Some exemplary embodiments of the system and method use filters...
8953811 Full digest of an audio file for identifying duplicates  
Systems and methods are provided herein relating to audio matching. A compact digest can be generated based on sets of triples, where triples are groupings of three interest points that meet...
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,...
8949113 Sound perception using frequency transposition by moving the envelope  
A method of operating an audio processing device to improve a user's perception of an input sound includes defining a critical frequency fcrit between a low frequency range and a high frequency...
8938387 Audio encoder and decoder  
The present invention teaches a new audio coding system that can code both general audio and speech signals well at low bit rates. A proposed audio coding system comprises linear prediction unit...
8935156 Enhancing performance of spectral band replication and related high frequency reconstruction coding  
The present proposes new methods and an apparatus for enhancement of source coding systems utilizing high frequency reconstruction (HFR). It addresses the problem of insufficient noise contents in...
8935367 Electronic device and method of configuring thereof  
A method of communicating with an electronic device. The method includes providing an electronic device having an audible sound receiving and generating sub-system including a microphone,...
8934641 Systems and methods for reconstructing decomposed audio signals  
Systems and methods for reconstructing decomposed audio signals are presented. In exemplary embodiments, a decomposed audio signal is received. The decomposed audio signal may include a plurality...
8924201 Audio encoder and decoder  
The present invention teaches a new audio coding system that can code both general audio and speech signals well at low bit rates. A proposed audio coding system comprises linear prediction unit...
8918315 Encoding apparatus, decoding apparatus, encoding method and decoding method  
An encoding apparatus includes a first layer encoder that encodes a signal, a first layer decoder that decodes first layer encoded data, a first layer error transform coefficient calculator that...
8898053 Encoding device, decoding device, and methods therein  
An encoding device, a decoding device, and related methods are provided that eliminate the loss of synchronization of the adaptive filters of a terminal at the encoding end and a terminal at the...
8898057 Encoding apparatus, decoding apparatus and methods thereof  
Disclosed is an encoding apparatus that can efficiently encode a signal that is a broad or extra-broad band signal or the like, thereby improving the quality of a decoded signal. This encoding...
8892427 Method and an apparatus for processing an audio signal  
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of...
8891788 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Integrated psychoacoustic bass enhancement (PBE) for improved audio
 
Psychoacoustic Bass Enhancement (PBE) is integrated with one or more other audio processing techniques, such as active noise cancellation (ANC), and/or receive voice enhancement (RVE), leveraging...
8892426 Audio signal loudness determination and modification in the frequency domain  
Methods of, apparatuses for, and computer readable media having instructions thereon that when executed cause carrying out methods of determining and modifying the perceived loudness of a...
8891775 Method and encoder for processing a digital stereo audio signal  
The invention discloses a method and an encoder for processing a digital audio stereo signal. A digital audio encoder for coding such audio signal comprises a predictive Temporal Noise Shaping...
8885848 Quality evaluation method and quality evaluation apparatus  
Quality of industrial products is evaluated by evaluating non-stationary operation sound, which is a kind of operation sound, from an aspect of tone, using closely simulated evaluation levels of...
8880404 Devices for adaptively encoding and decoding a watermarked signal  
An electronic device configured for adaptively encoding a watermarked signal is described. The electronic device includes modeler circuitry that determines watermark data based on a first signal....
8867752 Reconstruction of multi-channel audio data  
A method for processing sound data is provided for the reconstruction of multi-channel audio data on the basis at least of data on a reduced number of channels and of spatialization data. A test...
8855322 Loudness maximization with constrained loudspeaker excursion  
An original loudness level of an audio signal is maintained for a mobile device while maintaining sound quality as good as possible and protecting the loudspeaker used in the mobile device. The...
8856012 Apparatus and method of encoding and decoding signals  
A method of encoding an audio signal, where signals including two or more channel signals are downmixed to a mono signal, the mono signal is divided into a low-frequency signal and a...
8848928 Automatic measurement of audio presence and level by direct processing of an MPEG data stream  
Automatic measurements are made of audio presence and level in an audio signal by direct processing of an MPEG data stream representing the audio signal, without reconstructing the audio signal....
8849678 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Method, medium, and apparatus encoding and/or decoding multichannel audio signals
 
A method, medium, and apparatus encoding and/or decoding a multichannel audio signal. The method includes detecting the type of spatial extension data included in an encoding result of an audio...
8843915 Signature-based update management  
A computing device to determine whether to update using a computer file by generating a file signature for that computer file based on its file header information and comparing the file signature...
8838441 Time warped modified transform coding of audio signals  
A representation of an audio signal having a first, a second and a third frame is derived by estimating first warp information for the first and second frames and second warp information for the...
8831931 Apparatus for generating a decorrelated signal using transmitted phase information  
An apparatus for generating a decorrelated signal having a receiving unit for receiving phase information, a transient separator, a transient decorrelator, a second decorrelator and a combining...
8818798 Method and system for determining a perceived quality of an audio system  
The invention relates to a method for determining a quality indicator representing a perceived quality of an output signal of an audio system with respect to a reference signal. The reference...
8805694 Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding  
A method and an apparatus for encoding and decoding audio signals using adaptive sinusoidal coding are provided. The audio signal encoding method includes the steps of dividing a synthesized audio...
8805679 Audio signal transient detection  
Provided are, among other things, systems, methods and techniques for detecting whether a transient exists within an audio signal. According to one representative embodiment, a segment of a...
8805693 Efficient beat-matched crossfading  
Methods and devices to enable efficient beat-matched, DJ-style crossfading are provided. For example, such a method may involve determining beat locations of a first audio stream and a second...
8793123 Apparatus and method for converting an audio signal into a parameterized representation using band pass filters, apparatus and method for modifying a parameterized representation using band pass filter, apparatus and method for synthesizing a parameterized of an audio signal using band pass filters  
Apparatus for converting an audio signal into a parameterized representation, has a signal analyzer for analyzing a portion of the audio signal to obtain an analysis result; a band pass estimator...
8788265 System and method for babble noise detection  
A method, device, system, and computer program product calculate a gradient index as a sum of magnitudes of gradients of speech signals from a received frame at each change of direction; and...
8781818 Speech capturing and speech rendering  
The invention proposes extracting one or more speech signals (151-154) as well as one or more ambient signals (131) from sound signals captured by microphones, wherein each of the speech signals...
8768713 Set-top-box with integrated encoder/decoder for audience measurement  
Systems and methods are disclosed for encoding audio in a set-top box that is invoked by a user when listening to a broadcast audio signal from a radio, TV, streaming or other audio device. A...
8768691 Sound encoding device and sound encoding method  
A sound encoder for efficiently encoding stereophonic sound. A prediction parameter analyzer determines a delay difference D and an amplitude ratio g of a first-channel sound signal with respect...
8762135 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Frequency band extension apparatus and method, encoding apparatus and method, decoding apparatus and method, and program
 
Provided is a frequency band extension apparatus and method, an encoding apparatus and method, a decoding apparatus and method, and a program. Band-pass filters obtain a plurality of lowband...
8756056 Apparatus and method for determining a quantizer step size  
For determining a quantizer step size for quantizing a signal including audio or video information, a first quantizer step size as well as an interference threshold are provided. Then, the actual...
8751219 Method and related device for simplifying psychoacoustic analysis with spectral flatness characteristic values  
The present invention applies spectral flatness characteristic values to simplify psychoacoustic analysis of a sound signal. If the sound signal comprises a plurality of frames, the present...
8744862 Window selection based on transient detection and location to provide variable time resolution in processing frame-based data  
Provided are systems, methods and techniques for processing frame-based data. A frame of data, an indication that a transient occurs within the frame, and a location of the transient within the...
8738369 Enhancing performance of spectral band replication and related high frequency reconstruction coding  
The present proposes new methods and an apparatus for enhancement of source coding systems utilizing high frequency reconstruction (HFR). It addresses the problem of insufficient noise contents in...
8731950 Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and computer program using an object-related parametric information  
An apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation and an object-related parametric...
8731917 Methods and arrangements in a telecommunications network  
The present invention relates to a postfilter and a postfilter control to be associated with a postfilter for improving perceived quality of speech reconstructed at a speech decoder. The...
8725519 Audio encoding and decoding apparatus and method thereof  
Provided are audio encoding and decoding apparatuses capable of recovering a high-quality audio signal at a low bit rate. The audio encoding method includes: detecting at least one sinusoidal wave...
8719012 Methods and apparatus for coding digital audio signals using a filtered quantizing noise  
The invention concerns an encoder for an input audio signal (S(z)) comprising a combination module combining the input audio signal with an intermediate counter-reaction signal forming a modified...