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Searching: audio signal





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Patent # Description
US-8,155,349 Muting control device, muting control method, and muting control program
When controlling the audio signal to the mute mode from an unmute mode, first, the muting circuit switches from the non-attenuating state to the attenuating...
US-8,155,346 Audio source direction detecting device
A sound source direction detector comprises FFT analysis sections (103(1) to 103(3)) for generating a frequency spectrum in at least one frequency band of...
US-8,155,340 Method and apparatus for rendering ambient signals
An apparatus and method for communications is disclosed. The apparatus includes a receiver configured to scale an audio signal, and a transducer circuit...
US-8,155,337 Compatible circuit and method for 4- and 5-pole earphones and portable device using the same
A compatible circuit and method for 4- and 5-pole earphones and a portable device are disclosed. The compatible circuit and method alter the path of audio...
US-8,155,330 Dynamic audio parameter adjustment using touch sensing
An audio communications device has a handset in which a touch sensing ear piece region is coupled to an acoustic leakage analyzer. The acoustic leakage analyzer...
US-8,155,304 Filter bank optimization for acoustic echo cancellation
A communications device is presented for providing bi-directional audio communications between a near-end user and a far-end user via a bidirectional...
US-8,155,301 System and method for dialing prompt
A dialing prompt system and method may include a monitoring unit, and a dialing prompt information processing unit. The monitoring unit is adapted to monitor...
US-8,155,283 System, method, and apparatus for facilitating wideband audio over a coil-assisted digital subscriber line loop
An embodiment of a system, method, and apparatus for facilitating wideband audio communication and digital subscriber line data communication includes a filter...
US-8,155,277 Voice and motion activated telephone
A method and system for communicating without use of manual contact with a communications unit. The user approaches a communications system and can activate a...
US-8,155,153 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data include a...
US-8,155,152 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data include a...
US-8,155,144 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,155,142 Network based digital access point device
An internet-protocol (IP) based digital audio device having a network interface receiving a digital audio signal from an IP network and implemented with web...
US-8,155,031 Wireless audio transceiver system and method using UWB wireless communication
There is provided a transceiving method of an audio signal using an UWB wireless communication scheme, including the steps of: extracting and analyzing the...
US-8,154,588 Participant audio enhancement system
A system of microphones, signal processors, and loudspeakers provides enhanced comprehension of speech in noisy social events where the locations of...
US-8,154,347 Audio processing circuit and preamplifier circuit
An audio processing circuit is provided, receiving a microphone signal from a microphone to output a differential signal. A preamplifier receives the microphone...
US-8,154,223 Driving apparatus of light emitting diode and driving method thereof
A driving apparatus of a light emitting diode (LED) and a driving method thereof are provided. In the driving method, when the driving apparatus performs...
US-8,153,883 Rotary control device for manipulating digital audio signals
The disclosure relates to control and audio manipulation of a digital audio signal by a user manipulable rotary control. The disclosure is specifically...
US-8,153,882 Time compression/expansion of selected audio segments in an audio file
A computer implemented method allows a user to adjust tracks in a musical arrangement. The method involves a user selecting a musical position of an audio...
US-8,152,639 Method and system for enhanced audio communications in an interactive environment
Enhanced audio communications is provided in an interactive environment, such as a gaming environment, having multiple participants. An input audio signal, such...
US-8,152,590 Acoustic sensor for beehive monitoring
A method of and system for using sounds produced by bees flying near a beehive entrance enable a beekeeper to assess the operational productivity of the...
US-8,151,309 Audio/video and data signal redistribution system
A system for redistributing a multiple input audio/video and data signals having a redistributing device equipped to receive signals in a multiple formats and...
US-8,151,113 Methods and devices responsive to ambient audio
A portable device uses a microphone to listen to ambient audio, derives data from captured audio signals, and uses the derived data to request delivery of the...
US-8,151,018 Dual-mode data transfer of uncompressed multimedia contents or data communications
A system and corresponding method for transferring data. Data may be selectively communicated via a USB port of a device. An indication of a device type may be...
US-8,150,916 Method, apparatus, and system for transmitting information
A server controls client apparatuses to transmit the same information to the client apparatuses without imposing workload on each client apparatus. The server...
US-8,150,702 Stereo audio encoding device, stereo audio decoding device, and method thereof
Disclosed is a stereo audio encoding device capable of improving a spatial image of a decoded audio in stereo audio encoding. In this device, an original cross...
US-8,150,701 Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
An apparatus for encoding and decoding an audio signal and method thereof are disclosed, by which compatibility with a player of a general mono or stereo audio...
US-8,150,685 Method for high quality audio transcoding
A method and apparatus for a voice transcoder that converts a bitstream representing frames of data encoded according to a first voice compression standard to a...
US-8,150,683 Apparatus, method, and computer program for comparing audio signals
An apparatus, method, and computer program are capable of receiving and cross-correlating a first audio signal and a second audio signal. This produces a...
US-8,150,460 Wireless speakers and dock for portable electronic device
An accessory for use with a portable electronic device receives audio signals from the portable electronic device and broadcasts the signals to a set of...
US-8,150,349 Apparatus and method for audio conversion
An apparatus and method for audio conversion is provided to upgrade the resolution of transmission frequency of an FM (frequency modulation) transmitter and...
US-8,150,318 Apparatus for collecting environmental data and method of monitoring environment in real time
Provided are an apparatus for collecting environmental data and a method of monitoring an environment in real time. The apparatus for collecting environmental...
US-8,150,089 Wireless microphone and apparatus for fixing transmitter of the wireless microphone
A wireless microphone is provided. The wireless microphone includes: a transmitter wirelessly transmitting audio signals converted from sound collected with a...
US-8,150,070 Sound signal equalizer for adjusting gain at different frequency bands
A bass and treble audio tone control circuit configured as an integrated circuit, wherein a capacitor for setting a frequency band can be accommodated in an...
US-8,150,067 Bass enhancing method, signal processing device, and audio reproducing system
If the absolute value of the current sample is greater than or equal to an envelope value at the immediately preceding sample, an envelope value at the current...
US-8,150,065 System and method for processing an audio signal
Systems and methods for audio signal processing are provided. In exemplary embodiments, a filter cascade of complex-valued filters are used to decompose an...
US-8,150,064 Audio output device and method
An audio output device and method capable of preventing generation of pop noise by a relatively simple and small-sized circuit configuration and control timing....
US-8,150,063 Stabilizing directional audio input from a moving microphone array
A device includes a microphone array fixed to the device. A signal processor produces an audio output using audio beamforming with input from the microphone...
US-8,150,056 Audio signal transmitting apparatus, audio signal receiving apparatus, audio signal transmission system, audio...
There is provided an audio signal transmitting apparatus which can communicate with a plurality of external connection apparatuses and transmits audio signals...
US-8,150,048 System and method for testing audio device of motherboard
A system for testing audio of a motherboard includes a recording fixture and a computer. The recording fixture includes a recording device and a soundproof...
US-8,150,046 Audio jack for a portable electronic device
A portable electronic device includes a processor provided in a housing, a jack being sized for receiving a plug of an audio accessory and having electrical...
US-8,150,045 Automatic gain control system applied to an audio signal as a function of ambient noise
An automatic gain control system applied to a audio signal as a function of the ambient noise, the system comprising: an ambient noise estimator module suitable...
US-8,150,042 Method, device, encoder apparatus, decoder apparatus and audio system
Techniques are described for combining parametric multi-channel audio coding with matrixing, reconstructing a full-quality multi-channel, independent of the...
US-8,150,023 Automated system and method for distinguishing audio signals received in response to placing and outbound call
A system directs action based on distinguishing audio content received in response to placing an outbound call. The system comprises an audio signal analysis...
US-8,149,878 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,149,877 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,149,876 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,149,744 Digital broadcasting system and data processing method
A digital broadcasting system and a method of processing data are disclosed. A receiving system of the digital broadcasting system may include a signal...
US-8,145,821 Docking station for portable electronic devices
A docking station apparatus interfaces a portable electronic device with one or more electrical systems of a vehicle. The apparatus includes a docking assembly...
US-8,145,693 Fir filter apparatus, audio apparatus and fir filter program
A coefficient compensating unit 33 calculates based on a loop point and a cross-fade point of impulse response coefficient data renewed compensation impulse...
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