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7631119 |
Techniques for providing audio for synchronized playback by multiple devices
An audio system communicates with an aggregate device that includes multiple audio devices. When providing audio data for playback, the system compensates for presentation latency differences...
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7630781 |
Media data reproduction methods and embedded systems utilizing the same
A media data reproduction method is implemented in an embedded system comprising a media reader, a storage device, and a converter. First, a reproduction request is received. Media data is...
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7630780 |
Frequency expansion for synthesizer
A method is provided for generating synthetic audio signals with a synthesizer by generating a synthesizer output signal with a low sampling rate of the synthesizer. Because of the low sampling...
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7626111 |
Similar music search method and apparatus using music content summary
A similar music search method, including: extracting an audio feature value from a compression zone of a music file and generating a music content summary using the extracted audio feature;...
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7626110 |
Energy-based audio pattern recognition
An energy-based pattern recognition algorithm receives the input frames of an audio signal and a test frame sequence and returns a best match in the audio signal to the given test frame sequence....
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7620469 |
Method of identifying digital audio signal format
A method of identifying file format, converting file from assumed format and bit ordering to user-definable format, dividing file into blocks, determining frequencies of occurrence in blocks,...
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7620468 |
Control apparatus for music system comprising a plurality of equipments connected together via network, and integrated software for controlling the music system
Control node includes: current memories provided in corresponding relation to a plurality of equipments to store, for each of the equipments, a first current data set for remote-controlling an...
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7620467 |
Device and method for metadata management
The present invention relates to a device and method for managing metadata. A principal object of the present invention is to provide a device and method for managing metadata by which only key...
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7620410 |
Broadcast station synchronization method and mobile terminal
A broadcast station synchronization method in a mobile terminal operating with a system clock different from the reference clock of a broadcast station, wherein a clock synchronized with the...
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7617012 |
Audio signal processing system
In a mixer system including: a plurality of mixer engines each provided with a programmable DSP; and a PC controlling operations of the respective mixer engines, the PC stores, as zone data, a...
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7613533 |
Interactive system
A system including a sensing device is disclosed. In one embodiment, the system has (a) an article comprising: (i) a surface having a plurality of positions and a plurality of different print...
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7613532 |
Systems and methods for improving the signal to noise ratio for audio input in a computing system
Systems and methods for improving the signal to noise ratio for audio input in a computing system are provided. Signal to noise ratio improvements are enabled for an input audio signal by...
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7613531 |
User aware audio playing apparatus and method
An audio player apparatus ( 1 ) and method ( 2 ). The audio player apparatus comprises input means ( 10 ), such as buttons ( 11, 12, 13, 14 ) or soft-buttons on a touch screen, for inputting the...
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7613530 |
Apparatus and program for setting signal processing parameter in an audio mixer
Scene data including a set of values of a plurality of signal processing parameters are stored in a memory. Adjusting values (offset values) of the parameters stored in a buffer are each modified...
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7613529 |
System for eliminating acoustic feedback
A method and system is provided for eliminating acoustical feedback in a system. The method determines a parameter for at least one notch filter, adjusting the notch filter based on the parameter,...
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7613311 |
Digital implementation of a fourth order Linkwitz-Riley network with a low cutoff frequency
A simplified digital implementation of a fourth order Linkwitz-Riley crossover network is provided using approximations and transformations of the classical form. The approximation is particularly...
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7613306 |
Audio encoder and audio decoder
An audio encoder, generating a stereo signal based on a multi-channel signal, includes a downmix unit for downmixing a multi-channel signal exceeding two channels to a two-channel stereo signal, a...
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7612281 |
Reverberation effect adding device
A reverberation effect adding device comprising a first convolution circuit which in turn comprises FIR filters ( 80 - 1 to 80 - 4 ) and an adder (accumulator) ( 81 ) which adds outputs from the...
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7610110 |
Graphically displaying stereo phase information
Systems, methods, and apparatus, including computer program products, are provided for displaying visual representations of features of audio data. In general, in one aspect, a computer-implemented...
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7610109 |
Recording and/or reproducing apparatus and recording apparatus
A recording and/or reproducing apparatus includes a microphone, a semiconductor memory, an operating section and a controller. An output signal from the microphone is written in the semiconductor...
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7606627 |
Converting M channels of digital audio data packets into N channels of digital audio data
Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string...
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7606626 |
Speaking thermometer
A portable self contained parameter sensing unit for sensing environmental parameters and communicating such to a user. The unit includes a housing having a transducer for conveying information to...
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7606375 |
Method and system for automatically generating world environmental reverberation from game geometry
Reverberation parameters for one or more positions of interest are derived from graphics data used for displaying a computer-generated environment. For each position of interest for which...
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7603190 |
Digital recording/reproducing apparatus
Based on a digital recorder/player taken as a basic apparatus and which accommodates a field frequency of 60 fields/sec or a frame frequency of 30 frames/sec, an apparatus is implemented to record...
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7602892 |
Telephony annotation services
A method and apparatus for providing a telephonic annotation services is disclosed. In one embodiment, a mobile telephone may be configured to include an annotation component used to record...
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7599753 |
Systems and methods for running priority-based application threads on a realtime component
Systems and methods for processing data from priority-based operating system threads within a realtime component are described. The component submits blank buffers to hardware. The component...
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7598447 |
Methods, systems and computer program products for detecting musical notes in an audio signal
Methods, system and/or computer program products for detection of a note include receiving an audio signal and generating a plurality of frequency domain representations of the audio signal over...
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7596698 |
Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium
An audio stream is divided into a plurality of audio object (AOB) files that are recorded having each been encrypted using a different encryption key. At least one piece of track management...
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7593782 |
Highly portable media device
An improved portable media device and methods for operating a media device are disclosed. According to one aspect, the portable media device can also function as a solid-state drive for data...
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7593781 |
Audio feedback test
Methods and systems provide automated testing of computer facilitated audio input and output devices. A tone is converted from a digital to analog signal and is sent to a sound mixing device. At...
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7592534 |
Music composition reproduction device and composite device including the same
A music piece reproduction device comprises a recording section ( 12 ) for recording a plurality of music piece data each possessing a sound data file and a beat guide file containing information...
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7590460 |
Audio signal processor
An audio signal processor is composed of a data path unit, a mode register and a state machine unit. The data path unit applies one or more arithmetical operation to an audio signal for performing...
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7590459 |
Stream data processing system, stream data processing method, stream data processing program, and computer readable recording medium for storing stream data processing program
Musical sound data derived from the musical instrument ( 1 ) is outputted via a capture filter ( 21 ), and effector filter ( 22 ), a flow-rate monitoring filter ( 23 ), and a renderer filter ( 24 )...
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7590251 |
Clip detection in PWM amplifier
Systems and methods for detecting clipping conditions in an audio signal and processing the signal to reduce the clipping conditions. In one embodiment, a system comprises a noise shaper, a...
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7590249 |
Object-based three-dimensional audio system and method of controlling the same
An object-based 3-D audio system. An audio input unit receives object-based sound sources. An audio editing/producing unit converts the sound sources into 3-D audio scene information. An audio...
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7587255 |
Software and process for play-cursor calculation
A process and software for achieving minimal latency in digital audio playback, which includes calculating a repeatable play cursor lead and a play cursor position and writing audio data at the...
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7587254 |
Dynamic range control and equalization of digital audio using warped processing
This invention describes a method for adjusting the loudness and the spectral content of digital audio signals in a real-time using warped spectral filtering. A warped processing module modifies a...
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7587054 |
Audio system based on at least second-order eigenbeams
A microphone array-based audio system that supports representations of auditory scenes using second-order (or higher) harmonic expansions based on the audio signals generated by the microphone...
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7586032 |
Shake responsive portable media player
An apparatus, method and computer program product are provided which establishes a user interface for portable media players in which a user can mix, shuffle, randomize, or otherwise alter the...
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7584010 |
Telephone handset
An improved telephone handset for hearing-impaired persons. A passive device, in the form of an inductor wound about a highly magnetostrictive core, is connected with the speaker in the handset....
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7584009 |
Multi-chip PWM synchronization and communication
Systems and methods for synchronizing multiple digital audio controller chips, wherein one of the chips is designated as a master and the other chips are designated as slaves. A common line...
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7584008 |
Digital signal processing method, learning method, apparatuses for them, and program storage medium
An input digital signal D 10 is class-classified according to the envelope of the input digital signal D 10 , and the input digital signal D 10 is converted by the prediction method corresponding...
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7582823 |
Method and apparatus for classifying mood of music at high speed
A method and apparatus for classifying mood of music at high speed. The method includes: extracting a Modified Discrete Cosine Transformation-based timbre feature from a compressed domain of a...
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7580765 |
Method of integrating audio and encoded writing medium using interactive apparatus
A method of integrating audio and an encoded writing medium using an interactive apparatus is disclosed. The method comprises activating an audio recording mode of the interactive apparatus. The...
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7580764 |
Interactive apparatus with recording and playback capability usable with encoded writing medium
An interactive apparatus is disclosed. The interactive apparatus has an audio recording mode and an audio playback mode. Further, the interactive apparatus includes a writing tool for manually...
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7580763 |
Recording apparatus for recording signal including a plurality of sound information
A first sound signal includes a first kind of sound signals and a second kind of sound signals. Chapter numbers are added to the first sound signal for respective switching of the kind of the...
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7580762 |
Microphone with ultrasound/audible mixing chamber to secure audio path
Methods, microphones, and systems are provided for processing sound waves. The sound waves are detected with a portable device (such as a microphone) and an audio signal representing the sound...
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7580761 |
Fixed-size cross-correlation computation method for audio time scale modification
A time-domain time-scale modification method based on the synchronous overlap-and-add method consists of a generalization of the envelope-matching time-scale modification method. The...
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7579546 |
Tempo detection apparatus and tempo-detection computer program
A user is asked to perform tapping at beat positions by using a tapping detection section while listening to the beginning of a waveform from which beats are to be detected. When a fluctuation...
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7577247 |
Apparatus and method for telephone, intercom, and clock
The invention features a telephone, intercom, and clock. The telephone comprises a receiver adapted to receive a signal representing encoded first voice data; a processor comprising a media access...
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