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Searching: audio signal





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Patent # Description
US-7,711,184 Image display method, image display program, and image display apparatus
An image display method by which a presence of a variation in a color signal in video, a variation in brightness data in video, a bit rate of video reproduction,...
US-7,711,128 System, circuit, and amplifier for reducing pop sound
An audio power amplifier includes a differential amplifier circuit that serves as an input circuit. The differential amplifier circuit includes a signal GND (SG)...
US-7,711,126 Audio distribution system with local integrally wall mounted control point nodes
An integrally mounted control point node for use in an audio distribution system and including a control processor for receiving command signals and providing...
US-7,711,125 Audio distribution system
An audio distribution system comprises a plurality of individual signal conditioning circuits connected in series. Each circuit comprises a signal conditioning...
US-7,711,123 Segmenting audio signals into auditory events
In one aspect, the invention divides an audio signal into auditory events, each of which tends to be perceived as separate and distinct, by calculating the...
US-7,711,110 Universal speakerphone with adaptable interface
An adaptable or universal communication interface module is linked to a main speakerphone module having audio pickup and playback capabilities, resides between...
US-7,710,499 A/V timing measurement for MPEG type television
An invention for measuring, maintaining and correcting synchronization between signals which suffer varying relative delays during transmission and/or storage is...
US-7,710,397 Mouse with improved input mechanisms using touch sensors
A mouse having improved input methods and mechanisms is disclosed. The mouse is configured with touch sensing areas capable of generating input signals. The...
US-7,709,963 Audio power amplifier package
An audio power amplifier package includes a non-signal lead, a first non-signal pad, a second non-signal pad and a plurality of bonding wires. The first...
US-7,709,722 Audio signal processing apparatus
An audio signal processing apparatus has a plurality of nodes which include a node in operation and a node on standby for redundancy. Both the node in operation...
US-7,708,419 Ambient light system and method thereof
An ambient light system applied in a TV including a display panel, a loudspeaker and a plurality of ambient light sources includes an audio level detector, a...
US-7,707,617 Dual mode tuner for co-existing digital and analog television signals
A dual mode tuner/receiver is disclosed in which both analog and digital signals can be received and processed. A low pass filter allows all channels below a...
US-7,707,250 Wireless communications connection device
A method and apparatus is provided for setting up a wireless conference call, wireless non-call conference, and sharing audio and/or video content. The method...
US-7,707,069 Supply of digital audio and video products
A server for a merchant computer system, the server comprising: a file store for storing a range of audio/video products in respective product files; a dialogue...
US-7,707,034 Audio codec post-filter
Techniques and tools are described for processing reconstructed audio signals. For example, a reconstructed audio signal is filtered in the time domain using...
US-7,706,905 Method for processing audio signal
A method for processing an audio signal during the multi-channel audio coding is disclosed. The present invention provides the method for processing an audio...
US-7,706,902 Method and system for data logging in a listening device
A method and system for data logging in a listening device is provided. The system includes a digital signal processing (DSP) entity, which performs normal...
US-7,706,692 Consumer electronics with optical communication interface
Digital electronic devices for optical communication of digital video and/or audio signals between a digital source device and a digital sink device. A digital...
US-7,706,570 Encoding and decoding auxiliary signals
This disclosure describes methods and systems for encoding and decoding signals from a host signal such as audio, video or imagery. One claim recites a method...
US-7,706,555 Stereophonic device for headphones and audio signal processing program
A stereophonic device for headphones to which a monophonic signal or a stereophonic signal is inputted comprises an uncorrelating processing unit for reducing...
US-7,706,548 Method and apparatus for computer communication using audio signals
An acoustic communication device includes a computer device having an acoustic transmitter and/or an acoustic receiver. A signal processing module processes...
US-7,706,545 Systems and methods for protection of audio amplifier circuits
Systems and methods for providing protection from failure events in a digital audio amplification system. One embodiment of the invention comprises a system...
US-7,706,544 Audio reproduction system and method for reproducing an audio signal
An audio reproduction system is divided into a central wave-field synthesis module and a plurality of loudspeaker modules disposed in a distributed way, wherein...
US-7,706,543 Method for processing audio data and sound acquisition device implementing this method
The invention concerns the processing of audio data. The invention is characterized in that it consists in: (a) encoding signals representing a sound propagated...
US-7,706,525 Systems and methods for side-tone noise suppression
A side-tone circuit comprises a microphone configured to generate a reverse link audio signal and a side-tone noise suppressor. The side tone noise suppressor is...
US-7,706,515 Programmable paging controller with programmable switch contact
The present invention is an expandable multi-zone paging and signaling system. In particular, the present invention is an apparatus and method for a paging...
US-7,706,468 Transmitter with forward error correction coding for hybrid AM in-band on-channel digital audio broadcasting...
A transmitter for broadcasting an AM compatible digital audio broadcasting signal includes an analog modulator for producing an analog modulated carrier signal...
US-7,705,912 Method for processing a digital video signal
A method of decoding audio data, encoded in multiple DIF blocks in a Digital Video (DV) data stream, and outputting said audio data as a PCM frame, includes...
US-7,702,941 Universal adaptive synchronization scheme for distributed audio-video capture on heterogeneous computing platforms
According to one embodiment of the present invention, a novel apparatus is disclosed. The apparatus includes an analog to digital converter to receive a...
US-7,702,514 Adjustment of scale factors in a perceptual audio coder based on cumulative total buffer space used and mean...
A method for audio encoding includes: analyzing an audio frame using a psychoacoustic model to obtain a corresponding masking curve and window information;...
US-7,702,408 Extending digital rights management and authentication to audio speakers
A system and method for playing audio material is described. The audio material is illustratively downloaded from a network, or from a storage media, each...
US-7,702,407 Method for generating encoded audio signal and method for processing audio signal
A method for generating an encoded audio signal, and a method for processing the same during the multi-channel C audio coding are disclosed. The present...
US-7,702,404 Digital audio processing
A method of processing a spectrally-encoded digital audio signal comprising band data components representing audio contributions in respective frequency bands...
US-7,702,403 Structure and method for selecting, controlling and sending internet-based or local digital audio to an AM/FM...
A system and method that allows digital audio files, either streaming or stored to be controlled and selected and provides an analog audio signal for broadcast...
US-7,702,219 Audio and/or video generation apparatus and method of generating audio and/or video signals
An audio and/or video generation apparatus comprises a recording processor which is operable to record audio and/or video signals on a recording medium, a meta...
US-7,702,117 Method for sound adjustment of a plurality of audio sources and adjusting device
The present invention relates to a method of adjusting the sound levels originating from several audio sources, within a television receiver. The audio...
US-7,702,116 Microphone bleed simulator
The invention is a microphone bleed simulator which processes the audio signals recorded with one spot microphone and one room mic (or one spot mic alone) and...
US-7,702,115 Method and apparatus to reconstruct high-frequency components of an audio signal
A method and apparatus to reconstruct high-frequency components of an input audio signal. The apparatus includes a frequency inverter to invert the frequency...
US-7,702,114 High efficiency audio transducer
A transducer (1) for producing sound in response to an electrical signal comprises an actuator (2) with a magnet (4) and a coil (5), and a vibration surface (3),...
US-7,702,111 Audio stereo processing method, device and system
The present invention relates to a method and a device for processing and reproducing an audio stereo signal. The method produces a left output signal for...
US-7,702,056 Time base corrector
A system and method for synchronizing a system clock in accordance with a program clock reference of a content data stream includes application of incremental...
US-7,702,039 Radio receiver for receiving digital radio signals and method for receiving digital radio signals
A radio receiver for receiving digital radio signals and a method for receiving digital radio signals are used for undertaking the conversion of digital audio...
US-7,701,926 Multipoint multimedia/audio conference using IP trunking
A multipoint communication system uses Internet protocol trunking to facilitate communication between media control units (for sending and receiving multipoint...
US-7,701,461 Method and apparatus for buffering graphics data in a graphics system
A graphics system including a custom graphics and audio processor produces exciting 2D and 3D graphics and surround sound. The system includes a graphics and...
US-7,701,294 Apparatus and method for negative boost audio amplifier
An audio amplifier with a negative DC/DC converter is provided. The audio amplifier receives VDD and VEE as power supply signals. The negative DC/DC converter is...
US-7,701,194 Methods and system for detecting DC output levels in an audio system
A system for detecting a direct current (DC) component of a pulse-width modulated (PWM) signal includes a modulator configured to provide at least one PWM signal...
US-7,701,186 Method and apparatus for reducing audio noise in a switching regulator
A switching regulator utilizing on/off control that reduces audio noise at light loads by adjusting the current limit of the switching regulator. In one...
US-7,700,867 Apparatus and method of playing back audio signal
An apparatus of playing back an audio signal includes storage means for dividing exercise tempos of a user into a plurality of groups and storing digital audio...
US-7,699,664 Multipurpose accessory for portable multimedia device
A multipurpose accessory having a multipurpose connection mechanism is provided. The multipurpose accessory of the present invention includes a case, a...
US-7,698,365 Multipoint processing unit
A system to provide a multipoint processing terminal and a multicast bridging terminal to provide mixing, switching, and other processing of media streams under...
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