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Searching: audio signal





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Patent # Description
US-1,006,3208 Speaker device and method for reducing distortion degree of speaker
The present invention discloses a speaker device and electronic equipment. The speaker device comprises a speaker body, an audio signal input terminal connected...
US-1,006,3207 Object-based audio loudness management
A method and apparatus for processing object-based audio signals is provided. The apparatus receives a plurality of object-based audio signals. Each...
US-1,006,3204 Loudness level control for audio reception and decoding equipment
The application discusses a computer implemented method and apparatus for performing audio equalisation in an audio receiver device, such as an integrated...
US-1,006,3198 Terminal device, and signal sending method and apparatus
A terminal device includes: an access unit, connected between a headset or an audio speaker and a digital-to-analog converter, and configured for insertion of a...
US-1,006,2391 Audio processing device
To prevent that the noise occurs at timing switching between PCM data and DSD data by a simple configuration. An AV receiver 1 includes a mute circuit 5 that...
US-1,006,2390 Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded...
A decoder for generating a frequency enhanced audio signal, includes: a feature extractor for extracting a feature from a core signal; a side information...
US-1,006,2389 Decoding device, encoding device, decoding method, and encoding method
A decoding device includes: a separating unit separating first encoded data, a spectrum including a low-band spectrum of audio signals having been encoded, and...
US-1,006,2388 Acoustic and surface vibration authentication
Systems and methods for authorizing a user of a portable communications device entail sampling a user utterance via both an air mic (audio mic) and a conduction...
US-1,006,2386 Signaling voice-controlled devices
Techniques for indicating to a voice-controlled device that a user is going to provide a voice command to the device. In response to receiving such an...
US-1,006,2378 Sound identification utilizing periodic indications
A computer-implemented method and an apparatus are provided. The method includes obtaining, by a processor, a frequency spectrum of an audio signal data. The...
US-1,006,2372 Detecting device proximities
An audio device may be configured to produce output audio and to capture input audio for speech recognition. In some cases, a second device may also be used to...
US-1,006,2366 Ringtone sequences based on music harmony, modulation symbols and calling telephone number
An apparatus for generating a reproducible audio information sequence includes a receiver adapted to receive and decode a signal in which at least one sequence...
US-1,006,1554 Adjusting audio sampling used with wideband audio
A system and method of adjusting digital audio sampling used with wideband audio includes: performing audio sampling on an analog audio signal at an initial...
US-1,006,1332 Active acoustic control of cooling fan and method therefor
An initial operating speed of a cooling fan at an information handling system is determined. A microphone is located at the system to favor acquisition of...
US-1,006,0958 Method and apparatus to evaluate audio equipment via at least one filter for dynamic distortions and or...
A testing method or apparatus utilizes a filter or modifier to measure time varying or dynamic harmonic, intermodulation, cross modulation, and or N-Beat or...
US-1,005,7808 Non-uniform parameter quantization for advanced coupling
The present disclosure provides methods, devices and computer program products for non-uniform quantization of parameters relating to parametric spatial coding...
US-1,005,7764 Privacy preserving sensor apparatus
A privacy preserving sensor apparatus is described herein. The privacy preserving sensor apparatus includes a microphone that is configured to output a signal...
US-1,005,7708 System and method for adaptive audio signal generation, coding and rendering
Embodiments are described for an adaptive audio system that processes audio data comprising a number of independent monophonic audio streams. One or more of the...
US-1,005,7705 System and method for transitioning between audio system modes
Audio processing method is described to continuously process an audio signal while changing between audio modes so that the listener does not experience a...
US-1,005,7704 Audio providing apparatus and audio providing method
An audio providing apparatus and method are provided. The audio providing apparatus includes: an object renderer configured to render an object audio signal...
US-1,005,7703 Apparatus and method for sound stage enhancement
A non-transitory computer readable storage medium with instructions executable by a processor identify a center component, a side component and an ambient...
US-1,005,7702 Audio signal processing apparatus and method for modifying a stereo image of a stereo signal
The disclosure relates to an audio signal processing apparatus for modifying a stereo image of a stereo signal. The apparatus includes a panning index modifier...
US-1,005,7699 Audio identification device, audio identification method and audio identification system
An audio identification device is provided. The audio identification device comprises: at least one sensing device configured to capture an audio signal present...
US-1,005,7698 Multiple room communication system and method
A method for operating a wireless audio playback device that has an electro-acoustic transducer and a microphone, wherein the wireless audio playback device is...
US-1,005,7697 Hearing device with a barrier element
A hearing device, e.g. a hearing aid, having a protection system is disclosed. The device includes an input unit for receiving an acoustic signal from a user's...
US-1,005,7683 System for fitting audio signals for in-use ear
A system and method are provided for automatic fitting of all audio signals according to the ear in which a user is using to receive audio signals from a host...
US-1,005,7681 Entertainment audio processing
An entertainment audio processing system includes a music limiter configured to receive an audio signal, volume control information for music, and volume...
US-1,005,7674 Headphone system capable of adjusting equalizer gains automatically
A headphone system includes a headphone body and a signal source device. The headphone body includes a connection kit, a first earmuff module, a second earmuff...
US-1,005,7639 Methods and apparatus to detect spillover in an audience monitoring system
Methods and apparatus to detect spillover in an audience monitoring system are disclosed. An example apparatus includes means for sampling first and second...
US-1,005,7551 Wireless audio and video home theater ceiling projector system
Audio and video home theater ceiling projector system that optionally replaces any type of home theater video projector with the advantage of ten audio...
US-1,005,7532 Methods and systems for environmental noise compensation
Some aspects of the disclosure relate to a system and methods for monitoring an audio signal that may comprise one or more device audio components, e.g., from a...
US-1,005,7426 Speaker priority for conference calls
An example method for managing a conference call includes detecting multiple concurrent audio signals. The multiple concurrent audio signals include a first...
US-1,005,7410 Bi-directional audio generation device for speech quality assessment of telephony networks and speech codecs
A system for bi-directional quality testing of a telephony system or network using an audio generation device configured to automate Perceptual Evaluation of...
US-1,005,6876 Narrowing audio filter transition band
An apparatus including a first audio filter; a first transducer connected to the first audio filter; and a first sound attenuator located relative to the first...
US-1,005,6872 Distributed vehicle audio system
A system for controlling an audio device that includes a memory storing an audio processing application and a processor that is coupled to the memory. When...
US-1,005,6756 Method and apparatus to solve PFC capacitor reduction of line AFLC ripple without passive filters
Audio Frequency Load Control (AFLC) signal processing electronics added to a power factor correction (PFC) unit allowing the AFLC system to operate without the...
US-1,005,6115 Automatic generation of video and directional audio from spherical content
A spherical content capture system captures spherical video and audio content. In one embodiment, captured metadata or video/audio processing is used to...
US-1,005,6096 Electronic device and method capable of voice recognition
Provided herein is an electronic device and method of voice recognition, the method including analyzing an audio signal of a first frame when the audio signal...
US-1,005,6094 Method and apparatus for speech behavior visualization and gamification
In some example embodiments, a system is provided for real-time analysis of audio signals. First digital audio signals are retrieved from memory. First computed...
US-1,005,6090 Speech/audio signal processing method and coding apparatus
The present disclosure provides a speech/audio signal processing method based on wideband switching and a coding apparatus. The method includes: if a first...
US-1,005,6089 Audio coding method and related apparatus
An audio encoding method and a related apparatus are disclosed. The audio coding method includes: performing a time-frequency transformation on a current frame...
US-1,005,6087 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed...
US-1,005,6070 Receiver circuit
A receiver circuit comprising a first-input-terminal configured to receive an analog-input-signal, which is representative of audio-data; and a...
US-1,005,6069 Wearable noise cancellation device
A noise cancelation device, and a method, for suppressing noise patterns emitted from a body of a user are disclosed. The noise cancelation device comprises in...
US-1,005,6068 Audio systems for providing isolated listening zones
An audio system includes a plurality of near-field speakers arranged in a listening area. A plurality of cross-talk cancellation filters are coupled to the...
US-1,005,6067 Audio processing device and audio processing method
An audio processing device includes a first anti-noise filter, an output circuit, and an equalizer circuit. The first anti-noise filter is configured to process...
US-1,005,6064 Electronic apparatus and control method thereof and audio output system
One or more exemplary embodiments provide an electronic apparatus and control method thereof and an audio output system, the method including receiving a noise...
US-1,005,6062 Systems and methods for the creation and playback of animated, interpretive, musical notation and audio...
A music application guides a user with some musical experience through the steps of creating and editing a musical enhancement file that enhances and plays in...
US-1,005,5950 Sound to haptic effect conversion system using waveform
A haptic conversion system is provided that intercepts frames of audio data, such as a digital audio signal, converts the frames into a haptic signal, and plays...
US-1,005,5628 Detecting item scans with audio signal processing
Disclosed are various embodiments for detecting item scans with audio signal processing. A first machine-readable identifier may be rendered in a display device...
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