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Searching: audio signal





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Patent # Description
US-9,524,706 Displaying content in relation to music reproduction by means of information processing apparatus independent...
A music reproduction apparatus includes a reproduction section for reproducing user-selected music piece data, a generation section for generating control...
US-9,524,654 Modifying a person's eating and activity habits
A system for managing the food intake of a person comprises means for collecting information about food consumed by the subject, and means for providing...
US-9,524,625 Apparatus, systems, and methods for signal localization and differentiation
Apparatus, systems, and methods for providing transmission and localized reception of audio, visual, and tactile signaling are taught for a myriad of useful...
US-9,524,385 Using an audio channel for authenticating a device
Systems, methods, and other embodiments associated with using an audio link for authentication services are described. According to one embodiment, an apparatus...
US-9,523,585 Systems and methods for handling application notifications
Certain implementations of the disclosed technology may include systems and method for handling application notifications. According to an example...
US-9,522,681 System and method for restricting audio transmission based on driver status
In at least one embodiment, a method and a apparatus for restricting audio transmission in a vehicle is provided. The apparatus comprises a control module. The...
US-9,521,502 Method for determining a stereo signal
A method for determining an output stereo signal comprising determining a first differential signal and determining a second differential signal; determining a...
US-9,521,501 Loudness adjustment for downmixed audio content
Audio content coded for a reference speaker configuration is downmixed to downmix audio content coded for a specific speaker configuration. One or more gain...
US-9,521,497 Systems and methods for equalizing audio for playback on an electronic device
Embodiments are provided for equalizing audio data for output by a speaker of an electronic device based on a local position or orientation of the electronic...
US-9,521,492 Condenser microphone
Provided is a condenser microphone having a plurality of condenser microphone units connected in series to improve output sensitivity, and a simplified circuit...
US-9,521,485 Voltage supply circuit included in terminal equipment
A voltage supply circuit included in an audio signal processing device includes a control unit for controlling a signal output from a terminal equipment; a...
US-9,521,264 Echo removal
Echo removal techniques are described. As part of the echo removal, an adaptive model estimate of the echo in a received audio signal is determined using an...
US-9,521,263 Long term monitoring of transmission and voice activity patterns for regulating gain control
The present document relates to audio communication systems. In particular, the present document relates to the control of the level of audio signals within...
US-9,521,057 Adaptive audio stream with latency compensation
A latency compensating adaptive jitter buffer method is implemented in an audio client running on a user device or in an audio server to adaptively adjust the...
US-9,520,935 Wireless audio receiver system and method
A wireless audio receiver system and method is provided that is capable of receiving one or more radio frequency (RF) signals containing audio signals modulated...
US-9,520,843 Power amplifiers coupled in series
A power amplifier system is disclosed, the power amplifier system comprising two power supplies, four amplifier half-bridges arranged as two amplifier full...
US-9,520,782 Boost converter voltage controlled based on audio signal
Audio amplification may be improved by controlling an audio amplifier based on the audio signal being amplified. For example, when the audio signal level...
US-9,520,141 Keyboard typing detection and suppression
Provided are methods and systems for detecting the presence of a transient noise event in an audio stream using primarily or exclusively the incoming audio...
US-9,520,140 Speech dereverberation methods, devices and systems
Improved audio data processing method and systems are provided. Some implementations involve dividing frequency domain audio data into a plurality of subbands...
US-9,520,139 Post tone suppression for speech enhancement
A method for reducing disturbing tone signals from acoustic echoes or background noises in speech/audio signal enhancement processing comprises decomposing a...
US-9,520,138 Adaptive modulation filtering for spectral feature enhancement
Techniques described herein are directed to the enhancement of spectral features of an audio signal via adaptive modulation filtering. The adaptive modulation...
US-9,520,137 Method for suppressing the late reverberation of an audio signal
A method for suppressing the late reverberation of an audio signal. A plurality of prediction vectors are calculated. A plurality of observation vectors from...
US-9,520,136 Frame error concealment method and apparatus, and audio decoding method and apparatus
Disclosed are a frame error concealment method and apparatus and an audio decoding method and apparatus. The frame error concealment (FEC) method includes:...
US-9,520,135 Reconstructing audio signals with multiple decorrelation techniques
A method performed in an audio decoder for decoding M encoded audio channels representing N audio channels is disclosed. The method includes receiving a...
US-9,520,134 System for perceived enhancement and restoration of compressed audio signals
A system for processing compressed audio includes a signal enhancer module configured to generate one or more signal treatments. The one or more signal...
US-9,520,122 Audio apparatus and controlling method thereof
An audio apparatus and method are provided. The method includes receiving, by a controller, first audio data and second audio data and processing the first...
US-9,519,792 Copyright protection
A method and computing system for receiving a plurality of discrete audio signals from a plurality of participants of a synchronous communication session. The...
US-9,519,708 Multiple concurrent audio modes
Embodiments described herein include devices and processes for concurrently processing different audio streams with different hardware-based audio processing...
US-9,519,619 Data processing method and device for processing speech signal or audio signal
A data processing method is disclosed, including: twiddling input data, so as to obtain twiddled data; pre-rotating the twiddled data by using a symmetric...
US-9,519,602 Audio jack system
This application discusses a system that can include a master device and a slave device coupled to the master device via an audio jack connector. In an example,...
US-9,519,454 Acoustic signatures
Embodiments described herein provide for acoustic signatures in a playback system. An example implementation involves receiving, from a microphone of the...
US-9,519,346 Low-frequency effects haptic conversion system
A system is provided that produces haptic effects. The system receives an audio signal that includes a low-frequency effects audio signal. The system further...
US-9,517,724 Acoustic signaling system for electric or hybrid vehicles
The acoustic signaling system for electric, hybrid vehicles or the like, which can be installed on an electric vehicle or the like, includes: an amplifier...
US-9,516,446 Scalable downmix design for object-based surround codec with cluster analysis by synthesis
In general, techniques are described for grouping audio objects into clusters. In some examples, a device for audio signal processing comprises a cluster...
US-9,516,444 Wireless control and calibration of audio system
An audio system includes an enclosure, a speaker disposed in the enclosure, an audio source for providing an audio signal, and a controller. The controller is...
US-9,516,443 Non-linear control of loudspeakers
A nonlinear control system is disclosed. More particularly, a nonlinear control system including a controller, an audio system, and a model is disclosed. The...
US-9,516,431 Spatial enhancement mode for hearing aids
Described herein are techniques for artificially enhancing spaciousness in a hearing aid to improve the music listening experience. Such spatial enhancement is...
US-9,516,416 Multi-loudspeaker active noise cancelling headphone providing stereo effct and improved ambient noise reduction
A multi-loudspeaker active noise cancelling headphone that can provide stereo effect and improve the performance of ambient noise reduction employs an active...
US-9,516,411 Signal-separation system using a directional microphone array and method for providing same
A signal separation system using directional microphone array and a method for providing same. The signal separation system using directional microphone array...
US-9,516,407 Active noise control with compensation for error sensing at the eardrum
A personal listening system has an active noise control (ANC) controller that produces an anti-noise signal. A head worn audio device for a user has a speaker...
US-9,516,405 Multimedia playing system and sound channel control method thereof
A multimedia playing system is provided. A portable electronic device includes a first dock port, a second dock port, a power module, an audio processor and a...
US-9,516,401 Wireless in-ear headphones
A headphone system including a first earpiece, a second earpiece, and a coupler. The headphone system receives a wireless signal having audio content from an...
US-9,516,398 Method and system of extending battery life of a wireless microphone unit
A method of extending battery life of a wireless microphone unit includes muting the wireless microphone unit responsive to a mute signal from a base station...
US-9,516,381 Media device power management techniques
Techniques and architecture are disclosed for managing power use during operation of an electronic device capable of processing and/or playback of audio and/or...
US-9,516,291 Television systems incorporating separate A/V processing systems and television displays
Television systems are disclosed that incorporate separate A/V processing systems and television displays. The television displays can receive video driving...
US-9,516,159 System and method of double talk detection with acoustic echo and noise control
System of improving sound quality includes loudspeaker, microphone, accelerometer, acoustic-echo-cancellers (AEC), and double-talk detector (DTD). Loudspeaker...
US-9,516,037 Decoding of encrypted file
A method and system for decoding an encrypted file. A recipient computer of a recipient: extracts an encoded address from a filename of the encrypted file,...
US-9,515,629 Adaptive audio equalization for personal listening devices
An audio processor has an active noise cancellation (ANC) processor to compute an S-filter, which estimates a transfer function from an earpiece speaker, that...
US-9,515,627 Devices and methods for audio volume adjustment
Systems, devices and methods are provided for audio volume adjustment. For example, a noise volume level of current ambient noise and a first volume level of a...
US-9,515,626 Digital/analogue conversion
The application relates to digital to analogue conversion circuits having dynamic gain control. A digital variable gain element (102) may apply gain to an input...
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