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Searching: audio signal





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Patent # Description
US-8,582,947 Method and apparatus for processing video and audio data received in decoding system
A method and an apparatus for processing video and audio data received in a decoding system are provided. The method includes the following steps. When a...
US-8,582,790 Hearing aid and computing device for providing audio labels
A hearing aid includes a microphone to convert audible sounds into sound-related electrical signals and a memory configured to store a plurality of hearing aid...
US-8,582,789 Hearing enhancement systems
A hearing enhancement system that enhances a user's hearing is disclosed. For example, the system can include an interface unit that has a directional speaker...
US-8,582,786 Automatic gain control of amplifier by dynamic suppressing and output control at multiple stages
A method and apparatus for automatic gain control of an amplifier in which the method and apparatus detects excessive increase in the sound volume or...
US-8,582,785 Method and apparatus to enhance low frequency components and medium frequency components of audio signal
A method and apparatus to enhance one or more low-frequency components and one or more medium-frequency components of an audio signal. The method includes...
US-8,582,784 Method and device for extension of low frequency output from a loudspeaker
A method and device for enhancing low frequency content of an input signal (X), e.g. bass boosting of an audio signal. An overdriving (ODR) of a low frequency...
US-8,582,781 Echo modulation methods and systems
Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be...
US-8,582,780 Configurable recursive digital filter for processing television audio signals
A television audio signal encoder includes a device that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The device...
US-8,582,754 Method and system for echo cancellation in presence of streamed audio
During playing of a streamed audio while engaging in a voice communication session, a communication device may be operable to generate a background audio during...
US-8,581,782 Simultaneous radio detection and bearing system
Provided is a non-transitory machine readable medium on which is stored a computer program including instructions to adapt a computer system having at least one...
US-8,581,725 Position change sensing anti-theft device
Position change sensing apparatus including at least one audio signal transducer for emitting audio signals and receiving audio signals and computer software...
US-8,581,086 Computer interface for polyphonic stringed instruments
An interface device is described that allows the audio signals from a polyphonic stringed instrument to be introduced into a personal computer environment for...
US-8,579,820 Fetal heart monitoring
A transmit amplifier (12) drives an ultrasound transducer (11) to emit a pulse, and a receive amplifier (13) amplifies the echo signal detected by the...
US-8,578,439 Method and apparatus for presentation of intelligent, adaptive alarms, icons and other information
System actions such as presentation of information to a user via a remote control device are carried out in accordance with user preferences based on, e.g.,...
US-8,578,247 Bit error management methods for wireless audio communication channels
Systems and methods are described for managing bit errors present in an encoded bit stream representative of a portion of an audio signal, wherein the encoded...
US-8,577,687 Hierarchical coding of digital audio signals
The invention relates to a method for scalar quantization-based coding of the samples of a digital audio signal (S), the samples being coded over a ...
US-8,577,686 Method and apparatus for decoding an audio signal
Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes extracting a downmix signal and spatial...
US-8,577,676 Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround...
In one embodiment the present invention includes a method of improving audibility of speech in a multi-channel audio signal. The method includes comparing a...
US-8,577,673 CELP post-processing for music signals
In one embodiment, a method of receiving a decoded audio signal that has a transmitted pitch lag is disclosed. The method includes estimating pitch correlations...
US-8,577,548 System and method for controlling an entertainment device in a vehicle based on driver status and a...
In at least one embodiment, an apparatus and a method for transmitting at least one of an audio signal and a video signal based on driver status and an...
US-8,577,485 Method and an apparatus for processing an audio signal
A method for processing an audio signal, comprising: receiving the audio signal; and processing the received audio signal, wherein the audio signal is processed...
US-8,577,483 Method for decoding an audio signal
The invention relates to a method for decoding an audio signal, to allow an audio signal to be compressed and transferred more efficiently. The inventive method...
US-8,577,473 Cochlear implant stimulation with low frequency channel privilege
A system and method for activating stimulation electrodes in cochlear implant electrode is described. A preprocessor filter bank processes an input acoustic...
US-8,577,207 Information signal processing apparatus and method, information signal processing system and method, and...
An information signal processing apparatus comprises: data playback unit for playing back data from a recording medium on which featured data is recorded...
US-8,577,077 System for identifying motion video/audio content
A system for identifying motion video/audio content by means of comparing a video A to a registered video B so as to determine if they are originally the same...
US-8,577,062 Device and method for controlling operation of an earpiece based on voice activity in the presence of audio content
An earpiece (100) and a method (300) personalized voice operable control can include capturing (302) an ambient sound from an Ambient Sound Microphone (111) to...
US-8,577,061 Power supply for limited power sources and audio amplifier using power supply
A power supply for limited power sources and an audio amplifier using the power supply comprising power sources to provide an output power signal that can be...
US-8,577,059 Audio system including multiband audio dynamics processor
An audio system includes a level controller receiving an input audio signal from an audio medium. The level controller includes a gain adjust module producing...
US-8,577,056 Limiting peak audio power in mobile devices
Systems and methods of limiting peak audio power in mobile devices may include a high pass filter and a burst module to detect a burst load condition in a...
US-8,577,052 Headphone accessory
A headphone accessory for use with a portable audio device and headphones. The headphone accessory includes an audio source input for receiving audio signals...
US-8,577,047 Control of a loudspeaker output
A loudspeaker drive circuit comprises a signal path compressor/limiter (12) for implementing a change to the peak-mean amplitude ration in the time domain. A...
US-8,577,045 Apparatus and method for encoding a multi-channel audio signal
An encoding apparatus comprises a frame processor (105) which receives a multi channel audio signal comprising at least a first audio signal from a first...
US-8,576,884 Jitter buffer adaptation based on audio content
A system and method for discarding or inserting audio frames in a jitter buffer is described. The system and method provides improved audio quality as compared...
US-8,576,835 Method and apparatus for providing contextual information with telephone calls
The present invention is directed to a method for propagating contextual data in an audio communication by storing the contextual data obtained from a calling...
US-8,576,046 Playback control apparatus and audio system
One aspect of the present invention can include a playback device capable of externally receiving a playback signal for playing back a sound or an image, and...
US-8,575,465 System and method for scoring a singing voice
A system for scoring a singing voice comprises receiving a singing reference audio signal and/or a user audio signal and/or a pitch contour representation (PCR)...
US-8,573,861 Audio jacks with optical and electrical paths
Electronic devices are provided that communicate over cables and other communications paths that include optical and electrical paths. A cable may include wires...
US-8,573,487 Integrated read head device
An integrated read head system includes a mobile device with an audio jack and at least one microphone input port. A read head is physically coupled to the...
US-8,571,879 Sound reproducing device adding audio data to decoded sound using processor selected based on trade-offs
A sound reproducing device includes a decoder section (1200) configured to decode an audio-signal bit stream input from the outside world, and to generate a...
US-8,571,877 Apparatus for providing an upmix signal representation on the basis of the downmix signal representation,...
An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which...
US-8,571,876 Apparatus, method and computer program for obtaining a parameter describing a variation of a signal...
An apparatus for obtaining a parameter describing a variation of a signal characteristic of a signal on the basis of actual transform-domain parameters...
US-8,571,875 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...
US-8,571,864 Automatic identification of repeated material in audio signals
A system and method are described for recognizing repeated audio material within at least one media stream without prior knowledge of the nature of the repeated...
US-8,571,863 Apparatus and methods for identifying a media object from an audio play out
In one example, a device captures a segment of audio played out over an audio source in response to a control signal from a user interface of the device. The...
US-8,571,860 Speech recognition with parallel recognition tasks
The subject matter of this specification can be embodied in, among other things, a method that includes receiving an audio signal and initiating speech...
US-8,571,858 Method and discriminator for classifying different segments of a signal
For classifying different segments of a signal which has segments of at least a first type and second type, e.g. audio and speech segments, the signal is...
US-8,571,855 Audio enhancement system
A system and method for enhancing the sound signal produced by an audio system in a listening environment by compensating for ambient sound in the listening...
US-8,571,853 Method and system for laughter detection
A method and apparatus for laughter detection. Laughter is detected through the presence of a sequence of at least a predetermined number such as three...
US-8,571,852 Postfilter for layered codecs
A scalable decoder device (50) for signals representing audio comprises a primary decoder (21) connected to an input (40). The primary decoder (21) is arranged...
US-8,571,743 Control of vehicles based on auditory signals
Methods and systems for control of vehicles based on auditory signals are described. In an example, a computing device may be configured to control a vehicle or...
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