|| List of recent Digital Audio-related patents
|Interactive television program guide with selectable languages|
An interactive television program guide is provided. The interactive television program guide provides a user with the opportunity to select a language for playing television programming and displaying program guide text.
|Integrated audio amplification circuit with multi-functional external terminals|
An audio amplification circuit may include an input terminal for receipt of an input signal from a transducer. A signal processor may be coupled to the input terminal for receipt and processing of the input signal to generate a processed digital audio signal in accordance with a programmable configuration setting of the signal processor.
|System and method for automatically producing haptic events from a digital audio file|
In an embodiment, a system and method for automatically converting a plurality of events in a plurality of channels in a structured representation sequence into haptic events. The method comprises calculating an event score for each event of the sequence in one or more channels.
|Wireless digital audio music system|
A wireless digital audio system includes a portable audio source with a digital audio transmitter operatively coupled thereto and an audio receiver operatively coupled to a headphone set. The audio receiver is configured for digital wireless communication with the audio transmitter.
|Audio processing and enhancement system|
A system and method for enhancing the audio experience on a consumer electronic device is disclosed. A system for enhancing the audio experience on a consumer electronic device including a parametrically configurable processing block is disclosed.
|Method and device for slowing a digital audio signal|
A method for slowing a digital audio signal from the transmitter in order to transmit a slowed-down digital audio signal to a receiver, comprises the conversion of the digital audio signal received from a transmitter into a text made up of a series of words, assigning a timestamp bookmark to each word of the text, identifying words that belong to patterns referenced in a database of patterns to be eliminated, the definition of a rate of slowing, the adaptation of timestamped bookmarks to a slowed-down time frame based on the time of slowing, the slowing of the digital audio signal, the deletion of patterns to be eliminated, and the transmission to the receiver of a slowed-down digital audio signal.. .
|Method for operating a hearing device and hearing device|
A hearing device comprises a receiver, an input buffer and a sample processor, the receiver being adapted to receive samples of a digital audio signal and feed received samples as a digital input signal to the input buffer, the sample processor being adapted to process the buffered samples to provide samples of a digital output signal such that the digital output signal is a sample-rate converted representation of the digital input signal with a predetermined target sample rate. The hearing device further comprises a latency controller adapted to estimate the quality of reception of the digital audio signal and to control the processing of the buffered samples in dependence on the estimated quality of reception..
|Adding media to a locker|
A method for uploading content to a server may include associating an identifier and a trigger with a digital audio item uploaded to the server for inclusion into a digital multimedia store managed by the server. The identifier may identify the digital audio item from a plurality of other audio items available at the digital multimedia store.
|Script control for camera positioning in a scene generated by a computer rendering engine|
A system for controlling a rendering engine by using specialized commands. The commands are used to generate a production, such as a television show, at an end-user's computer that executes the rendering engine.
|Method and apparatus for wireless digital radio|
A method and apparatus are provided for a first controlled device, such as a wireless local transmitter that accepts a plurality of digital audio signals and corresponding program information signals converted from a controlled source, such as the encoded digital data provided by a digital data signal source, typically a community antenna television (catv) cable or direct broadcast satellite, then modulates said digital audio and corresponding program information signals on different carrier frequencies and transmits the modulated signals to a plurality of second controlled devices, such as remote digital receiver/tuners that demodulate said signals to output music in stereophonic sound and display the corresponding program information by means of an alphanumeric display. The first and second controlled devices contain microprocessor systems for communicating, controlling, storing, processing, and display of digital data within the operation of the respective system.
|Method for dynamically adjusting gain of parametric equalizer according to input signal, dynamic parametric equalizer and dynamic parametric equalizer system employing the same|
The present invention relates to a method for dynamically adjusting a gain of parametric equalizer according to an input signal, a dynamic parametric equalizer employing the same and a dynamic parametric equalizer system employing the same wherein a gain of parametric equalizer is dynamically adjusted according to a level of an input digital audio signal to prevent distortion of output signal.. .
|Audio output device|
Provided is an audio output device capable of preventing noises and improving the s/n ratio even if no audio signal is inputted in the middle of the input of audio signals, or even if an audio-signal input state and a no-signal state are alternately repeated. In the provided audio output device, a multiplier is provided on the input side of each of the delayers.
|Greeting card with spring loaded slide track audio trigger|
An interactive greeting card having a multi-panel greeting card body, a sound module and a molded track contained between two or more panels of the multi-panel greeting card body, and a moveable object which is attached to the molded track through an opening in one or more of the greeting card panels. The moveable object is operative to move from one end of the molded track to the opposite end of the molded track whereby playback of a pre-recorded digital audio file is initiated.
|System and method for correcting for lost data in a digital audio signal|
In an embodiment, a method of receiving a digital audio signal, using a processor, includes generating a high band time domain signal; generating low band time domain signal; estimating an energy ratio between the high band and the low band from a last good frame; keeping the energy ratio for following frame-erased frames by applying an energy correction scaling gain to a high band signal segment by segment in the time domain; and combining the low band signal and the high band signal into a final output.. .
|Systems and methods for dynamic audio processing|
Systems and methods presented herein may provide for processing audio with increased loudness and dynamics. A first clock frequency associated with a digital audio file may be increased to a second clock frequency, which speeds up the playback of the audio.
|System and method for controlling a digital audio source|
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and employing a time-code signal wherein during use of the disc the said time-code signal controls the digital audio source.. .
|Electronic device and method for adjusting display screen|
In a method for adjusting a display screen of an electronic device, the method receives analog audio signals of a user, transforms the analog audio signals to digital audio signals, detects a first control command including first rotation directions and first rotation angles of the display screen from the digital audio signals, and rotates the display screen according to the first rotation directions and the first rotation angles. The method further obtains second rotation angles of the display screen detected by a gravity sensor of the electronic device, and stops rotating the display screen when the second rotation angles are equal to the first rotation angles..
|Method and apparatus for frame-based buffer control in a communication system|
A method and apparatus are disclosed for controlling a buffer in a digital audio broadcasting (dab) communication system. The decoder buffer level limits are specified in terms of a maximum number of encoded frames (or duration).
|One-bit digital-to-analog converter offset cancellation|
There is described audio driver circuit comprising a main, 1-bit digital-to-analog converter, adapted to receive a 1-bit oversampled digital audio signal. Thanks to an auxiliary digital-to-analog converter which converts into the analog domain a digital offset compensation value stored in e.g.
|Volume control method and system|
In a volume control method applied to an audio processing system, firstly, a digital audio stream including a plurality of digital audio packets is received from a transmitter. It is determined whether an excitation signal is detected.
|Ambient audio injection|
An exemplary system comprises a device including a memory with an audio injection application installed thereon. The application comprises an equalizer module that analyzes sound characteristics of individual digital audio samples including a discrete signal, a selector module that applies a selection heuristic to select the discrete signal from the individual digital audio samples based on the sound characteristics, and an audio module that supplies to an output an insert signal generated according to the discrete signal selected by the selection heuristic..
|System and method for audio pass-through between multiple host computing devices|
A digital audio pass-through device capable of connecting multiple host computing devices is described. The digital audio pass-through device allows computing devices such as personal computers (mac or pc), tablets, and smart phones to share high quality digital audio data streams with one another via usb connections.
|Wireless link to transmit digital audio data between devices in a manner controlled dynamically to adapt to variable wireless error rates|
A communication system including a host transceiver, one or many device transceivers, and a wireless or wired link, in which encoded digital audio data and optionally also other auxiliary data are transmitted and received between the host transceiver and one or many device transceivers. The wireless link can but need not be a certified wireless usb (“cwusb”) link, which utilizes wimedia ultra-wideband (“uwb”) radio technology.
|Secured audio channel for voice communication|
A security device for hindering data theft and data leaks via audio channel of a computer system is based on passing the audio signals through a coding vocoder that receives input audio signal from a computer and compressing the signal to a low bit-rate digital data indicative of human speech; and a decoding vocoder that decompress the digital data back to a secure audio signal. The data transfer of the protected audio channel is intentionally limited not to exceed the bit-rate needed to carry vocoder-compressed human speech which is well below the capabilities of unprotected audio channel.
|Digital switching signal sequence for switching purposes, apparatus for including said digital switching signal sequence in a digital audio information signal, and apparatus for receiving the information signal provided with the switching signal sequence|
A digital switching signal sequence is realized as a previously digitized, high-pass filtered white noise signal of a predetermined length t, with a high-pass cut-off frequency which lies above the frequency where the loudness threshold characteristic in silence of the human hearing has its highest sensitivity, if possible. The switching signal sequence is employed for switching purposes (206), e.g., for switching between two information signals (201, 207)..
|Digital audio communication system with improved interface|
Embodiments of the present invention allow users to post or publish audio information to a destination on a digital network. A particular embodiment provides a user interface for recording and uploading a short comment, remark, song segment, sound effect or any other audio portion.
|Creation of sub-sample delays in digital audio|
A multi-channel audio system that can provide a variable sub-sample delay between two or more audio channels. In one embodiment, a variable timing clock generator generates multiple clock signals where each may have different phase, and the clock generator can vary the phase difference, in accordance with a sub-sample delay setting input.
|Digital audio communication system|
Embodiments of the present invention allow users to post or publish audio information to a destination on a digital network. A particular embodiment provides a user interface for recording and uploading a short comment, remark, song segment, sound effect or any other audio portion.
|Hearing device with analog filtering and associated method|
A hearing device includes: a microphone for converting audio into an audio signal; a preprocessing unit for analog processing of the audio signal and having an input and an output, wherein the input is connected to an output of the microphone; an a/d converter for converting the processed analog audio signal into a digital audio signal, the a/d converter having an input and an output, wherein the input of the a/d converter is connected to the output of the preprocessing unit; and a processing unit for digital processing of an output from the a/d converter, wherein the processing unit is connected to the preprocessing unit, and is configured to apply a first transfer function to the audio signal in a first mode of operation, or a second transfer function with a cutoff frequency to the audio signal in a second mode of operation, depending on a control signal.. .
|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 the created haptic signal through an actuator to produce haptic effects. The haptic signal is based on a maximum value of each audio data frame, which defines a magnitude of the haptic signal.
|System and method for modular on-demand audio processing, amplification and distribution|
The present disclosure relates to a system and method for processing, amplification and distribution of audio signals. In an embodiment, the method includes receiving at least one digital audio input signal from one or more audio sources via wireless or wired communications.
|Method for creating a customized children's storybook with fingerprint art using fingerprint-ready image templates|
Methods for creating customized children's storybooks with fingerprint art using fingerprint-ready templates stored in association with a software application on a desktop computer, a tablet computer, or a smart phone. The methods include the use of preconfigured templates and prompted discussions that elicit responses from the child to create text for the storybook.
|Motion greeting cards|
The present invention and related disclosure describes greeting cards with moving elements or devices which are operable to create motion in connection with some portion of the greeting card. The greeting card may include a multi-panel greeting card body or a three-dimensional foam greeting card body.
|Adaptations of analysis or synthesis weighting windows for transform coding or decoding|
A method and device are provided for coding or decoding a digital audio signal by transform using analysis or synthesis weighting windows applied to sample frames. The method includes an irregular sampling of an initial window provided for a transform of given initial size n, to apply a secondary transform of size m different from n..
|Method and system for improving audio fidelity in an hdmi system|
Hdmi is a digital audio and video communications protocol commonly used in consumer electronics. Hdmi is particularly synonymous with high fidelity audio and video.
|Wireless satellite digital audio radio service (sdars) head unit with portable subscription and cell phone abilities|
A system and method for automated activation of a radio, or content receiver, used to receive subscription radio services such as xm or sirius radio. A wireless communications device with a short range data link wirelessly communicates with the content receiver to control the content receiver and receive a unique identification code from the content receiver.
|System and method for combining a song and non-song musical content|
A system with a decision engine having logic for using metadata for one or more song recordings and one or more non-song musical content items. The logic performs the steps of: interpreting the metadata for the first song recording; identifying a first non-song musical content item for playback at or near an end of the first song recording based on a similarity between the first song recording and the first non-song musical content item; and, in response to determining that the first song recording is at or near its end of playback, forming an altered playback of the first non-song musical content item by performing via real time digital audio signal processing an alteration of the first non-song musical content item to be rhythmically continuous in terms of tempo to the first song recording and/or harmonically continuous in terms of key and/or mode to the first song recording..
|System and method for routing digital audio data using highly stable clocks|
A system and method for routing digital audio data synchronized where the source and destination units are synchronized to individual, local chip-scale atomic clocks. A source unit receives audio data and digitizes the data in synchronization to a local atomic clock.
|Digital microphone system, audio control device, and control method thereof|
A digital microphone system, audio control device and control method thereof is related to the method for controlling a digital microphone circuit including receiving a clock signal; detecting that the clock signal is maintained at a predetermined level for a duration; when the duration reaches a given time, switching a transmission type of a data pin; in a data mode, outputting a digital audio signal to a data line via the data pin in an output type; and in a command mode, receiving a command signal from the data line via the data pin in an input type.. .
|Apparatus for differential interpolation pulse width modulation digital-to-analog conversion and output signal coding method thereof|
A differential interpolation pulse width modulation (ipwm) digital to analog converter is provided, including an ipwm for generating differential pulse from an input digital audio data stream, a power driver for providing energy to a terminal load and a filter for removing unwanted harmonic signal to reconstruct analog signal, wherein the ipwm further includes a pwm pulse generator to convert the digital input numerical code to a series of time domain pulse width; an interpolation unit to increase the time domain resolution of the pulse width; a self-calibration unit to maintain the pulse-width accuracy of the interpolation unit; a differential pulse width generator to convert series of pwm pulse into voltage and time domain differential form.. .
|Systems and methods for content surfing|
Systems and methods for improving or suggesting alternatives to content surfing are provided. When it is detected that a user wishes to surf, a pipeline tuning sequence is implemented where by storing one or more frames of a first content selection to the user equipment and acquiring a subsequent content selection while concurrently displaying the previously stored one or more frames.
|Audio signal transient detection|
Provided are, among other things, systems, methods and techniques for detecting whether a transient exists within an audio signal. According to one representative embodiment, a segment of a digital audio signal is divided into blocks, and a norm value is calculated for each of a number of the blocks, resulting in a set of norm values for such blocks, each such norm value representing a measure of signal strength within a corresponding block.
|Network linked data carriers for collectibles|
A method for sharing among a plurality of collectors certain information related to collectable items in the form of digital audio files in order to facilitate the reading aloud of audio messages associated with a unique data carrier on a collectible item using at least one handheld electronic aid, at least one computer, at least one server, and a network by which said computers and servers are integrated.. .
|Method and systems for device output capture|
A method, systems, and apparatuses for high definition video capture are described. In one embodiment, a method includes receiving digital audio/video data from a device.
|Digital audio processing system and method|
Systems and method for audio processing are disclosed. Left and right channels of an audio data stream are combined to derive sum and difference signals.
|Method and encoder for processing a digital stereo audio signal|
The invention discloses a method and an encoder for processing a digital audio stereo signal. A digital audio encoder for coding such audio signal comprises a predictive temporal noise shaping (tns) filter, a mid-/side (m/s) coding unit, a control unit for determining a first prediction gain related to the unmodified l/r signal processed by the tns filter and for determining a second prediction gain related to the m/s-coded l/r signal processed by the tns filter, wherein the control unit is adapted to disable tns-filtering—i.e.
|Remote node for bi-directional digital audio data and control communications|
A remote node for bi-directional digital audio data and control communications includes remote components including: a remote transceiver; a remote low-voltage power supply that provides power to the other remote node components; and a sub-system that derives a master clock signal from received digital audio data. The sub-system includes a phase-locked loop (pll) that is locked to a pll input signal and outputs a remote node clock signal, and a switch that selects the pll input signal from the derived clock signal and the remote node clock signal.
|Facilitating comprehension in communication systems|
A method, computer program product, and computer system for receiving information from a first computing device, the information including digital audio data, the information sent to a second computing device by the first computing device. The information is received from the second computing device.
|Parallel digital filtering of an audio channel|
An electronic audio apparatus is described that uses a digital audio filter in which a splitter separates an input frame of discrete time audio into different time interval portions. Separate digital filter blocks then operate in parallel upon those time interval portions, respectively.
|Sound to haptic effect conversion system using mapping|
A haptic conversion system is provided that intercepts audio data, such as a digital audio signal, analyzes the audio data in frequency, and divides the analyzed audio data into one or more audio frequency regions, where each audio frequency region includes one or more audio sub-signals. The haptic conversion system further maps the one or more audio frequency regions to one or more haptic frequency regions, where each haptic frequency region includes one or more haptic signals.
|System and method for remotely controlling audio equipment|
An innovative new series of personal near-field active monitor speakers incorporating a digital wireless receiver and an industry-standard digital serial data interface that provides for wireless and wired digital audio streaming, apps for mobile devices or computers (smart phones, tablets, laptops etc.) to provide remote configuration of studio monitor modeling, i.e., emulations of popular near-field reference monitors; artist signature modeling, i.e., emulations of the favorite settings of well-known recording artists and music producers; and remote room equalization using the microphone integrated in a mobile or desktop personal computer, or an attached external microphone.. .
|Artificial neural network based system for classification of the emotional content of digital music|
A system for classification of the emotional content of music is provided. An encoder receives a digital audio recording of a piece of music, and encodes it using musical notes and associated amplitudes.
|Remote control unit for activating and deactivating means for payment and for displaying payment status|
The invention relates to a remote control unit for intelligent digital audiovisual reproduction systems, comprising storage means, payment means, a sound control circuit, display means and a metal chassis wherein said remote control unit comprises a distant radio frequency transmitter that is associated with a radio frequency receiver connected to the sound control circuit of the audiovisual reproduction system.. .
|Broadcast audio service|
Various embodiments are disclosed for facilitating reception of a digital audio stream over a wireless personal area network (pan). At a wireless network mobile computing device, a wireless network audio broadcast device is discovered.
|Indexing digitized speech with words represented in the digitized speech|
Indexing digitized speech with words represented in the digitized speech, with a multimodal digital audio editor operating on a multimodal device supporting modes of user interaction, the modes of user interaction including a voice mode and one or more non-voice modes, the multimodal digital audio editor operatively coupled to an asr engine, including providing by the multimodal digital audio editor to the asr engine digitized speech for recognition; receiving in the multimodal digital audio editor from the asr engine recognized user speech including a recognized word, also including information indicating where, in the digitized speech, representation of the recognized word begins; and inserting by the multimodal digital audio editor the recognized word, in association with the information indicating where, in the digitized speech, representation of the recognized word begins, into a speech recognition grammar, the speech recognition grammar voice enabling user interface commands of the multimodal digital audio editor.. .
|Automatic separation of audio data|
Systems and methods for audio editing are provided. In one implementation, a computer-implemented method is provided.
|Method and device for forming a digital audio mixed signal, method and device for separating signals, and corresponding signal|
The invention relates to a method of forming one or more digital audio mixed signals (sout) on the basis of at least two digital audio source signals (s1, s2), in which the digital audio mixed signal or signals are formed by mixing the digital audio source signals. A characteristic digital magnitude of at least one digital audio source signal is compressed into a series of bits and said series of bits is inserted into said digital audio source signal or into the digital audio mixed signals in an almost inaudible or inaudible manner, the characteristic digital magnitude is the temporal, spectral or spectro-temporal distribution of said digital audio source signal or the temporal, spectral or spectro-temporal contribution of said digital audio source signal in the mixed signal or signals, or said digital audio source signal.
|Digital audio communication and control in a live performance venue|
In embodiments of the present invention improved capabilities are described for digitally transmitting audio that is converted from analog audio received from analog media pickup devices in a live performance venue by a stage box to a base unit over off-the-shelf twisted pair cable while sending pre-amplification control signals and power over the cable to the stage box. Audio for the performance venue is remotely managed from a virtual audio engineering mixing board that wirelessly communicates audio control commands to the stage box from a handheld computing device..
|Colorization of audio segments|
This specification describes technologies relating to visual representations indicating segments of audio data. In general, one aspect of the subject matter described in this specification can be embodied in methods that include the actions of receiving digital audio data including hierarchical segment information, the hierarchical segment information identifying one or more segments of the audio data for each of multiple of segment types and displaying a visual representation of the audio data at a first zoom level in an interface, the visual representation displaying audio data as a function of time on a time axis and a feature on a feature axis, the visual representation further including a display of identifiers for each segment of one or more segments of a first segment type.
|Docking station for an electronic device|
The present invention is directed to a housing unit, which allows an electronic device such as a portable digital audio player to be substantially hermetically sealed within an audio device. The electronic device is controllable by a user while housed with the housing unit.
|Remote management of tv viewing options in a media exchange network|
A system supporting the remote management of options related to media consumption in a media exchange network. A system may comprise a set top box communicatively coupled to a television display and storage.
|Digital speaker system|
A digital speaker system that can perform both enhancement of reproduction capability and simplification of construction is provided with a construction using plural speaker units for one audio channel. The digital speaker system has a first signal processor 32a for generating plural driving digital signals ss1 to ss6 from one digital audio signal sb1 into which an input digital audio signal sa is branched, and a second signal processor 32b for generating a single driving digital signal ss7 from the other digital audio signal sb2 into which the input digital audio signal sa is branched, and a speaker unit for one audio channel is constructed by a main speaker unit 22a having a voice coil bobbin 23a with plural voice coils supplied with the plural driving digital signals ss1 to ss6, and a sub speaker unit 22b having a voice coil bobbin 23b with a single voice coil supplied with the single driving digital signal..
|Digital audio amplification device using harmonics and method thereof|
The present invention relates to a digital audio amplification device using harmonics and a method thereof, and more specifically, the invention differentially generates characteristics of harmonics (for instance, amplitude or frequency components of harmonics) of an audio signal in order to compensate the audio signal that exceeds a preset threshold value according to the amplitude and characteristics of the audio signal, if the audio signal exceeds the preset threshold value, thereby easily improving the amplitude and the pitch of audio during digital audio amplification.. .
|Redundant, low-latency digital audio transmission|
Methods and systems for converting an audio signal into a stream of digital audio packets are presented. An example converter device may include a receiver, a digital audio encoder, a digital audio packetizer, and a transmitter.
|Method and device for filtering during a change in an arma filter|
A method and device are provided for filtering digital audio signals using at least one arma filter, particularly during a filter change. The method includes the following steps: a step of receiving a first request to change filtering to or from filtering by a first arma filter; and, in response to the first request, a step of gradually switching, at each of a plurality of cascaded first filtering blocks, between digital-signal filtering by a first basic filtering cell and digital-signal filtering by another associated basic filtering cell, the first basic filtering cells of the plurality of first filtering blocks factorizing the first filter..
|System and method for combining two or more songs in a queue|
A system, computer program product and method for altering the playback of one or more song recordings is described herein. Embodiments of the system comprise a decision engine having logic for using metadata for the one or more song recordings.
|Pay-per-play audiovisual system with touch screen interface|
An audiovisual reproduction system triggered by payment from a user is developed around a microprocessor device. The system includes memory containing, in compressed digital form, audio and visual information, and a display and digital audio reproduction unit, for creating a multimedia environment.
|System and method for transmitting environmental acoustical information in digital audio signals|
Disclosed are systems and methods for enhancing playback of an audio signal to approximate the listening experience at a recording site. A test signal is emitted into a recording environment and acoustic parameters for the recording environment are calculated according to the test signal and a response to the test signal.
|Synchronizing audio signal sampling in a wireless, digital audio conferencing system|
A digital audio conferencing system has a fixed base station that is in communication with a far end (r.e.) system over a communication network. The base station is associated with a wireless loudspeaker and one or more wireless microphones.
|Method of training a living body to not react to substances|
A method of conditioning a living body of a patient to associate the positive effects of sensory stimulation of the sympathetic ganglia with digital audio representations of offending substances to modify errant interpretations of various systems involved in a reaction to ultimately cease or reduce negative reactions to such substances. In addition, a patient's sensitivities are treated by using digital representations, preferably provided via a computer, to represent the actual substances in order to engage the multimodal functioning of the brain.
|Audio mixes for listening environments|
This specification describes technologies relating to generating audio mixes for listening environments. A method is provided that includes receiving digital audio data; receiving an environmental input, the environmental input being associated with the listening environment; calculating one or more audio parameters for the digital audio data based on the received environmental input, the calculating including: calculating a particular intensity level for the digital audio data, and processing the digital audio data according to specified reference levels; and generating an audio mix for the digital audio data according to the calculated audio parameters..