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Searching: audio signal
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| Patent # | Description |
|---|---|
| US-8,363,842 |
Playback method and apparatus, program, and recording medium There is provided a playback method for decode-processing and playing back coded audio data which is transmitted with necessary stereo process information... |
| US-8,363,822 |
Method and apparatus for battery switching during ringing A method for providing a ringing signal includes providing a plurality of batteries coupled to a subscriber line interface circuit operable to generate the... |
| US-8,363,820 |
Headset with whisper mode feature Systems and methods for operating a telecommunications device in whisper mode are presented. The method generally includes adjusting a transmit audio signal... |
| US-8,363,161 |
Systems, methods, and apparatus for synchronization of audio and video
signals Methods of processing an audiovisual signal that has a video portion and an audio portion are described. One example includes detecting a video synchronization... |
| US-8,363,087 |
Television receiver with a TV phone function A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in... |
| US-8,362,833 |
Amplifier circuitry, integrated circuit and communication unit Amplifier circuitry comprising a class-D amplifier for amplifying an audio input signal. The amplifier circuitry comprises sigma-delta modulation logic arranged... |
| US-8,362,832 |
Half-bridge three-level PWM amplifier and audio processing apparatus
including the same A half-bridge three-level pulse width modulation (PWM) amplifier includes a prescaling unit, a PWM generator configured to convert the input signal to a... |
| US-8,362,349 |
Touch pad disc jockey controller The present invention pertains to the field of control and manipulation of a digital audio signal by a user manipulable touch sensitive control surface. The... |
| US-8,359,610 |
Audience measurement apparatus, system and method for producing audience
information of a media presentation Audience measurement methods and systems for producing audience information of a media presentation. At least one embodiment includes a moveable apparatus... |
| US-8,359,417 |
Audio/video router A composite input signal having an audio component and a video component is routed from an input to an output by separating a stream of audio data words at an... |
| US-8,359,205 |
Methods and apparatus to perform audio watermarking and watermark
detection and extraction Methods and apparatus to audio watermarking and watermark detection and extracted are described herein. An example method includes receiving a media content... |
| US-8,359,198 |
Pre-processing and speech codec encoding of ring-back audio signals
transmitted over a communication network to... A method of pre-processing an audio signal transmitted to a user terminal via a communication network and an apparatus using the method are provided. The method... |
| US-8,359,195 |
Method and apparatus for processing audio and speech signals A method and device for processing signals representing speech or audio via a plurality of filters that approximate behaviors of the basilar membrane of human... |
| US-8,359,194 |
Device and method for graduated encoding of a multichannel audio signal
based on a principal component analysis A system and a method for the scalable coding of a multi-channel audio signal comprising a principal component analysis (PCA) transformation of at least two... |
| US-8,359,113 |
Method and an apparatus for processing an audio signal A method of processing an audio signal is disclosed. The present invention comprises receiving downmix signal including object signals, transforming the downmix... |
| US-8,359,076 |
Mobile wireless communications device having improved antenna impedance
match and antenna gain from RF energy A mobile wireless communications device and associated method of making same includes a housing and circuit board having a ground plane. Radio frequency (RF)... |
| US-8,359,064 |
Wireless apparatus This invention is directed to a wireless apparatus to carry out transmission and reception by either a digital communication system or an analog communication... |
| US-8,358,980 |
Wireless audio transfer system, wireless microphone, audio transmitting
apparatus, audio receiving apparatus,... Disclosed is a wireless audio transfer system that includes an audio transmitting apparatus including a microphone and a modulating/transmitting unit for... |
| US-8,358,973 |
Communications system An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data... |
| US-8,358,907 |
Display control apparatus, display control method, and program A display control apparatus includes a receiving unit that receives a television broadcast signal containing at least remote broadcast image information, a... |
| US-8,358,791 |
Distributed audio signal processing system having logical channel groups A distributed audio signal processing system having a plurality of linked audio signal processing units is disclosed. Each audio signal processing unit has... |
| US-8,358,600 |
Method of transmitting data in a communication system A method of transmitting a combined audio signal to at least one of a plurality of participants in a communication event comprising; receiving an audio signal... |
| US-8,358,376 |
Method and device for generating and detecting fingerprints for
synchronizing audio and video This invention relates to a device and a method of generating a first and a second fingerprint (102,104) usable for synchronization of at least two signals... |
| US-8,358,375 |
Method and device for accurately and easily measuring a time difference
between video and audio To solve the problems in the prior art, the present invention provides a method for measuring a time difference between digital video signals and digital audio... |
| US-8,358,091 |
Apparatus and method for generating a number of loudspeaker signals for a
loudspeaker array which defines a... An apparatus for generating a number of loudspeaker signals for a loudspeaker array defining a reproduction space includes a prestage configured to generate a... |
| US-8,355,921 |
Method, apparatus and computer program product for providing improved
audio processing An apparatus for performing improved audio processing may include a processor. The processor may be configured to divide respective signals of each channel of a... |
| US-8,355,910 |
Methods and apparatus for audio watermarking a substantially silent media
content presentation Methods and apparatus for audio watermarking a substantially silent media content presentation are disclosed. An example method to audio watermark a media... |
| US-8,355,909 |
Hybrid permanent/reversible dynamic range control system A system for controlling dynamic range of an audio signal comprises an automatic gain control element that receives an input signal having a varying level and... |
| US-8,355,908 |
Audio signal processing device for noise reduction and audio enhancement,
and method for the same In frequency signals obtained by converting input audio signals from time-domain signals to frequency-domain signals, a level control value setting unit 5... |
| US-8,355,801 |
System and method for measuring esophagus proximity A system and method for determining on a continuous, real-time basis the proximity of the esophagus to an endocardial catheter during mapping, ablation or other... |
| US-8,355,708 |
Method for announcing a calling party from a communication device A system and method are disclosed for announcing a calling party from a communication device. A system that incorporates teachings of the present disclosure may... |
| US-8,355,674 |
Multi-channel transmitter A radio transmission method and a radio transmitter device for radio transmission of an audio signal from an audio device to a radio receiver wherein an audio... |
| US-8,355,671 |
Method and apparatus for transporting video signal over Bluetooth wireless
interface A wireless wearable video headset device useful for viewing and listening to multimedia content. In one embodiment, the device operates by receiving a digital... |
| US-8,355,515 |
Gaming headset and charging method An audio headset may comprise a case, near field microphone and far field microphone. A speaker, processor, memory, battery, charging interface and cradle... |
| US-8,355,514 |
Audio encoding to convey auxiliary information, and media embodying same Methods of processing audio to convey auxiliary information hidden therein are provided. Various arrangements are disclosed. One alters data representing audio... |
| US-8,355,510 |
Reduced latency low frequency equalization system A frequency equalization system is provided that substantially equalizes the room frequency responses generated by at least one loudspeaker within a listening... |
| US-8,355,509 |
Parametric joint-coding of audio sources The following coding scenario is addressed: A number of audio source signals need to be transmitted or stored for the purpose of mixing wave field synthesis,... |
| US-8,355,396 |
Customized network congestion messaging for terminal adapters A terminal adapter such as a residential gateway or an eMTA is configured to receive a set of signals such as a 403 message from network devices operating in a... |
| US-8,355,335 |
Managing the audio-signal loss plan of a telecommunications network A method is disclosed that enables the monitoring, evaluation, and adjustment of a telecommunications network's audio-signal loss plan. The method can be... |
| US-8,355,078 |
HDMI transmission systems for delivering image signals and packetized
audio and auxiliary data and related HDMI... A transmission system is capable of packetizing audio and auxiliary data in compliance with an HDMI standard. The transmission system may include a register set... |
| US-8,354,924 |
Waterproof audio receiving device with object detection system A system for facilitating the instructional training of a swimmer wherein the system is further operable to provide object detection to the swimmer of an object... |
| US-8,354,880 |
Op-R, a solid state filter The device described herein proposes an electronic active filter void of capacitors and inductors. The circuit utilizes only operational amplifiers (Op-Amps)... |
| US-8,352,994 |
Method and system for long term monitoring of video assets A method and system for test monitoring video assets provided by a multimedia content distribution network (MCDN) includes an expert test monitoring platform... |
| US-8,352,666 |
Signal transmission interface and digital broadcast receiving device A signal transmission interface includes: a USB audio format encoding unit adapted to be coupled to a digital broadcast receiving end, for converting a digital... |
| US-8,352,280 |
Scalable multi-channel audio coding An audio encoder adapted to encode a multi-channel audio signal. The encoder comprises an encoder combination module (ECM) for generating a dominant signal part... |
| US-8,352,258 |
Encoding device, decoding device, and methods thereof based on subbands
common to past and current frames An encoding device includes: a frequency region converter which converts an inputted audio signal into a frequency region; a band selector which selects a... |
| US-8,352,256 |
Adaptive reduction of noise signals and background signals in a
speech-processing system An audio input signal is filtered using an adaptive filter to generate a prediction output signal with reduced noise, wherein the filter is implemented using a... |
| US-8,352,251 |
Audio signal processing circuit An audio signal processing circuit is provided which comprises an ADC which samples an audio signal at a predetermined sampling frequency, a high-band... |
| US-8,352,054 |
Method and apparatus for processing digital audio signal There is a sequence of samples having values representative of a waveform. Samples corresponding to extrema including maximums and minimums in the waveform are... |
| US-8,352,053 |
Audio signal processing system An audio signal-processing system has signal-processing units connectable to a transmission line. Each signal-processing unit has channels for applying a signal... |
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