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Searching: audio signal





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Patent # Description
US-8,488,832 Docking station for media player
A docking station for an iPad or the like, has a base, a support connected to the base and holding an iPad, a signal connector, an operating circuit for...
US-8,488,824 Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs
The invention relates to a method for sequencing spectral components of elements to be encoded (A.sub.1, . . . , A.sub.Q) originating from an audio scene...
US-8,488,823 Method for designing audio signal processing system for hearing aid, audio signal processing system for hearing...
A hearing aid tailored to a hard-of-hearing person is designed using sampled-data control theory. The method is for designing an audio signal processing system...
US-8,488,822 Assistive listening system adapted for using DECT
The invention relates to an assistive listening system comprising an audio transmitting device adapted for transmitting an audio signal and/or a control signal...
US-8,488,820 Spatial audio processing method, program product, electronic device and system
A method comprises the steps of: receiving a first audio signal (S.sub.1); generating a digital representation (S.sub.1'') of the first audio signal (S.sub.1)...
US-8,488,811 Audio-peak limiting in slow and fast stages
A method and apparatus for limiting the absolute magnitude of an audio signal. The method may include firstly variable-gain reducing the gain of an audio...
US-8,488,810 Audio processing chip and audio signal processing method thereof
An audio processing chip includes a connecting port, an audio amplifier module and a pulse width modulation (PWM) control circuit. The connecting port receives...
US-8,488,809 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
The invention relates to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal. An audio signal...
US-8,488,808 Method of powering down an audio amplifier with timing circuit to power down bias control and amplifying...
An audio amplifier includes a timing control circuit, an amplifying circuit, and a bias control circuit. The timing control circuit generates a first power down...
US-8,488,807 Audio signal compensation device and audio signal compensation method
An audio signal compensation device includes: a signal processor configured to perform filtering on an input audio signal; a filter coefficients storage module...
US-8,488,805 Providing background audio during telephonic communication
Background audio can be provided during telephonic communication. Telephonic communication can be established via a network, such as between a user of a...
US-8,488,804 System and method for a headset combining a microphone and an antenna
A headset comprises an audio output device, an audio input device, and a wire. The audio output device plays outgoing audio data. The audio input device...
US-8,488,802 Sound field control device
A sound field control device has an input part through which an audio signal is input. A storage part stores a first factor obtained by calculating a proportion...
US-8,488,801 Audio compensation unit and compensating method and audio processing device thereof
An audio compensation unit includes a detection subunit and a compensation subunit. The detection subunit is for detecting an audio signal to obtain an original...
US-8,488,800 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-8,488,798 Matrix decoder
This audio matrix surround decoder requires minimal digital processing, useful in portable applications, particularly in playback from a portable player using a...
US-8,488,797 Method and an apparatus for decoding an audio signal
A method for processing an audio signal, comprising: receiving a downmix signal and a downmix processing information; and, processing the downmix signal using a...
US-8,488,796 3D audio renderer
A method for simulating spatially extended sound sources comprising: panning a first input signal over a plurality of output channels to generate a first...
US-8,488,632 Optimizing VoIP for satellite connection
A method and system for reducing the total bandwidth and number of packets utilized to transmit a voice transmission over a satellite connection is provided....
US-8,488,206 Communication device
When a facsimile device detects an audio signal via a CNG signal detection unit while detecting an OFF signal in a CNG signal during a telephone conversation,...
US-8,487,797 Audio clocking in video applications
A method of operating an electronic video device such as a DVD player, wherein video clock signals and audio clock signals are derived from a system clock...
US-8,487,175 Music analysis apparatus
In a musical analysis apparatus, a spectrum acquirer acquires a spectrum for each frame of an audio signal representing a piece of music. A beat specifier...
US-8,484,688 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-8,484,038 Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an...
An audio signal decoder includes a transform domain path configured to obtain a time-domain representation of a portion of an audio content on the basis of a...
US-8,484,035 Modification of voice waveforms to change social signaling
A method of altering a social signaling characteristic of a speech signal. A statistically large number of speech samples created by different speakers in...
US-8,484,026 Portable audio control system and audio control device thereof
A portable audio control system that controls an audio signal transmitted from an electronic device, including an earphone device and an audio control device....
US-8,484,022 Adaptive auto-encoders
A method and system for adaptive auto-encoders is disclosed. An input audio training signal may be transformed into a sequence of feature vectors, each bearing...
US-8,484,019 Audio encoder and decoder
The present invention teaches a new audio coding system that can code both general audio and speech signals well at low bit rates. A proposed audio coding...
US-8,483,855 Method and device for the playback of digital audio signals
A method and a device for the playback of digitalized audio signals that are transmitted packet-oriented from a signal source to at least one signal sink,...
US-8,483,854 Systems, methods, and apparatus for context processing using multiple microphones
Configurations disclosed herein include systems, methods, and apparatus that may be applied in a voice communications and/or storage application to remove,...
US-8,483,775 Vehicle communication system
A vehicle communication system detects the presence of a passenger wearable communication device. The system receives audio signals from multiple sources inside...
US-8,483,637 Method and apparatus for a broadcast radio receiver to generate an electronic program guide
A radio receiver converts received RF signals in a predetermined frequency band into digital RF signals, converts the digital RF signals into IF signals...
US-8,483,413 System and method for directionally radiating sound
An audio system for a vehicle having a plurality of seat positions includes, at each seat position, first and second directional loudspeaker arrays. Each array...
US-8,483,410 Apparatus and method for inputting a command, method for displaying user interface of media signal, and...
An apparatus for inputting commands required for controlling a mix signal and method thereof are disclosed. The present invention includes an input unit, a...
US-8,483,405 System and method for directionally radiating sound
An audio system for a vehicle has at least one source of audio signals. At least one array of speaker elements is located at each seat position that radiates...
US-8,483,403 System and method for directionally radiating sound
An audio system for a vehicle has at least one source of audio signals. A respective directional loudspeaker array is mounted at each seat position and coupled...
US-8,483,402 System and method for directionally radiating sound
A method of operating an audio system that provides audio radiation to a plurality of listening positions includes providing at least one source of audio...
US-8,483,397 Multi-channel audio display
An audio display system can include an audio input configured to receive a plurality of inputs corresponding different audio channels of a multi-channel audio...
US-8,483,099 Microphone expansion unit for teleconference phone calls
A portable teleconference phone system includes a plurality of portable computers each having a microphone disposed therein, the microphone configured to...
US-8,482,384 Method and system for playing signals at two appliances
A method for receiving messages in an appliance such as a clock radio modified to retrieve messages from a remote computer, converting the retrieved messages...
US-8,482,346 High efficiency balanced output amplifier system
A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be...
US-8,481,840 Button shaped portable media player with indicia
In one embodiment of the present invention, a portable media player has the form of a wearable button and includes a body that has a front face and a rear face....
US-8,479,250 Apparatus and method for detecting a media device
A system that incorporates teachings of the present disclosure may include, for example, a mobile device having a controller to detect a location of a user by...
US-8,478,856 Method for transporting digital media
A networked system is provided for transporting digital media packets, such as audio and video. The network includes network devices interconnected to send and...
US-8,478,587 Voice analysis device, voice analysis method, voice analysis program, and system integration circuit
A sound analysis device comprises: a sound parameter calculation unit operable to acquire an audio signal and calculate a sound parameter for each of partial...
US-8,478,359 User interface tone echo cancellation
A multi-function communications device has a processor that generates a user interface audible tone signal. The device also has a downlink digital signal...
US-8,478,356 Audio amplifier
An audio amplifier (3) for a mobile telephone (1) is disclosed. The audio amplifier (3) comprises first and second output stages (11, 12), each for coupling to...
US-8,478,104 Copy secure multimedia RFID with analog transmitter
A portable RFID device includes an analog modulation radio frequency transmitter and a data storage holding audio data files. In response to user entered...
US-8,477,976 Method for the detection of whistling in an audio system
A method for detecting whistling in an audio system includes determining an average frequency of an input signal of the audio system, sampling the input signal...
US-8,477,968 Thermal acoustic speaker
A thermal acoustic speaker comprises a body and a thermoelectric converter. The body comprises a shell with at least one hole and a side with a sound hole. The...
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