| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 704278000 | Sound editing | 29 |
| 20080208598 | CONCEALMENT SIGNAL GENERATOR, CONCEALMENT SIGNAL GENERATION METHOD, AND COMPUTER PRODUCT - When there are missing voice-transmission-signals, a repetition-section calculating unit sets a plurality of repetition sections of different lengths that are determined to be similar to the voice-transmission-signals preceding the missing voice-transmission-signal, the repetition sections being determined with respect to stationary voice-transmission-signals stored in a normal signal storage unit, the stationary voice-transmission-signals being selected from the previously input voice-transmission-signals. A controller generates a concealment signal using the repetition sections. | 08-28-2008 |
| 20080208599 | Modifying a speech signal - Disclosed is a device and method for modifying acoustic characteristics of a speech signal. The method comprises decomposing the signal into a parametric portion and a non-parametric residue; estimating the temporal envelope of the residue; modifying acoustic characteristics of the parametric portion and of the residue in compliance with modification instructions; determining a new temporal envelope for the modified residue using said modification instructions; and synthesizing a modified speech signal from the modified parametric portion and from the residue as modified and with the new temporal envelope. | 08-28-2008 |
| 20080215339 | SYSTEM AND METHOD OF CODING SOUND SIGNALS USING SOUND ENHANCMENT - A system and method of processing sound signals are disclosed. In one embodiment, a speech coder applies a first sound signal enhancement process to a first part of a sound signal and applies a second sound signal enhancement process to a second part of the sound signal. The sound signal is then coded using the enhanced first part of the sound signal and the enhanced first part of the sound signal and the enhanced sound part of the sound signal. Examples of the portions of the sound signal that are separately processed include an excitation signal component and a spectral component of the sound signal. | 09-04-2008 |
| 20080255853 | Recording and Reproducing Apparatus - Disclosed is a recording and reproducing apparatus comprising: an apparatus main body; and a remote controller to perform remote control of the apparatus main body, wherein the remote controller comprises: a key operating section to receive a key operation by a user; a sound information inputting section to input sound information; and a transmitting section to transmit sound data based on the sound information to the apparatus main body, and the apparatus main body comprises: a recording section to record input content data on a recording medium; a reproducing section to reproduce the content data; a receiving section to receive the sound data; a sound information recording section to record the sound data so as to be associated with a piece of the content data; and a sound information outputting section to reproduce the sound data to output the reproduced sound data. | 10-16-2008 |
| 20080255854 | SYSTEM AND METHOD USING BLIND CHANGE DETECTION FOR AUDIO SEGMENTATION - A system, method and computer program product for performing blind change detection audio segmentation that combines hypothesized boundaries from several segmentation algorithms to achieve the final segmentation of the audio stream. Automatic segmentation of the audio streams according to the system and method of the invention may be used for many applications like speech recognition, speaker recognition, audio data mining, online audio indexing, and information retrieval systems, where the actual boundaries of the audio segments are required. | 10-16-2008 |
| 20090018843 | SPEECH PROCESSOR AND COMMUNICATION TERMINAL DEVICE - In a speech processor incorporated into a communication terminal device, an extractor extracts speech characteristics data (e.g. voiceprint data) from speech signals input thereto; then, a speech signal processing module processes input speech signals in accordance with signal processing parameters, which are stored in a memory in relation to preset speech characteristics data in advance. A parameter setting device selects one of preset speech characteristics data having a similarity with the extracted speech characteristics data so as to set the corresponding signal processing parameters stored in the memory to the speech signal processing module. Thus, the communication terminal device is capable of appropriately processing input speech signals so as to enhance specific ranges or to adjust the volume of input speech. | 01-15-2009 |
| 20090043588 | SOUND-SOURCE SEPARATION SYSTEM - A system capable of reducing the influence of sound reverberation or reflection to improve sound-source separation accuracy. An original signal X(ω,f) is separated from an observed signal Y(ω,f) according to a first model and a second model to extract an unknown signal E(ω,f). According to the first model, the original signal X(ω,f) of the current frame f is represented as a combined signal of known signals S(ω,f−m+1) (m=1 to M) that span a certain number M of current and previous frames. This enables extraction of the unknown signal E(ω,f) without changing the window length while reducing the influence of reverberation or reflection of the known signal S(ω,f) on the observed signal Y(ω,f). | 02-12-2009 |
| 20090171670 | Systems and methods for altering speech during cellular phone use - The present invention includes systems and methods for altering a cellular phone user's speech so that the speech can be less bothersome to third parties in the surrounding area and so that the user has more privacy. Sound cancellation can be used to cancel, reduce, or modify the user's voice so third parties cannot hear the voice as easily or so that the user's voice cannot be understood. Furthermore, the user device can encourage the user to speak in a lower voice. The user device can accomplish this encouragement by indicating to the user their level of speech. In this manner, the user knows when he may lower his voice and yet still provide an adequate volume of speech for the cellular phone. Additionally, the user device can encourage the user to speak in a lower voice by audibly playing back the user's voice in real time. | 07-02-2009 |
| 20090192802 | SYSTEMS, METHODS, AND APPARATUS FOR CONTEXT PROCESSING USING MULTI RESOLUTION ANALYSIS - Configurations disclosed herein include systems, methods, and apparatus that may be applied in a voice communications and/or storage application to remove, enhance, and/or replace the existing context. | 07-30-2009 |
| 20090192803 | SYSTEMS, METHODS, AND APPARATUS FOR CONTEXT REPLACEMENT BY AUDIO LEVEL - Configurations disclosed herein include systems, methods, and apparatus that may be applied in a voice communications and/or storage application to remove, enhance, and/or replace the existing context. | 07-30-2009 |
| 20100070283 | VOICE EMPHASIZING DEVICE AND VOICE EMPHASIZING METHOD - A voice emphasizing device emphasizes in a speech a “strained rough voice” at a position where a speaker or user of the speech intends to generate emphasis or musical expression. Thereby, the voice emphasizing device can provide the position with emphasis of anger, excitement, tension, or an animated way of speaking, or musical expression of Enka (Japanese ballad), blues, rock, or the like. As a result, rich vocal expression can be achieved. The voice emphasizing device includes: an emphasis utterance section detection unit ( | 03-18-2010 |
| 20100076771 | VOICE SIGNAL PROCESSING APPARATUS AND VOICE SIGNAL PROCESSING METHOD - A voice signal processing apparatus and method includes determining maximum amplitude values of a plurality of different voice frame signals obtained by giving different amounts of phase shift to frequency components of voice frame signals having a predetermined length which are divided from a digital voice signal, and selecting a voice frame signal whose maximum amplitude value is the minimum from among the amplitude values of the plurality of different voice frame signals. | 03-25-2010 |
| 20100198600 | Voice Conversion System - A voice conversion training system, voice conversion system, voice conversion client-server system, and program that realize voice conversion to be performed with low load of training are provided. | 08-05-2010 |
| 20100250257 | VOICE QUALITY EDIT DEVICE AND VOICE QUALITY EDIT METHOD - This invention includes: a voice quality feature database ( | 09-30-2010 |
| 20100332237 | SOUND QUALITY CORRECTION APPARATUS, SOUND QUALITY CORRECTION METHOD AND SOUND QUALITY CORRECTION PROGRAM - According to one embodiment, a sound quality correction apparatus calculates various feature parameters for identifying the speech signal and the music signal from an input audio signal and, based on the various feature parameters thus calculated, also calculates a speech/music identification score indicating to which of the speech signal and the music signal the input audio signal is close to. Then, based on this speech/music identification score, the correction strength of each of plural sound quality correctors is controlled to execute different types of the sound quality correction processes on the input audio signal. | 12-30-2010 |
| 20110054910 | SYSTEM AND METHOD FOR AUTOMATIC TEMPORAL ADJUSTMENT BETWEEN MUSIC AUDIO SIGNAL AND LYRICS - A system provided herein may perform automatic temporal alignment between music audio signal and lyrics with higher accuracy than ever. A non-fricative section extracting | 03-03-2011 |
| 20110137658 | METHOD AND APPARATUS FOR CANCELING VOCAL SIGNAL FROM AUDIO SIGNAL - Provided is a method of canceling a vocal signal, wherein the method includes obtaining a difference signal between two audio signals; and smoothing the frequency of the difference signal. Also provided is a device for canceling a vocal signal, the device including a subtracter which obtains a difference signal between two audio signals; and a frequency smoothing unit which smoothes a frequency of the difference signal. | 06-09-2011 |
| 20110145001 | AUTOMATED DETECTION AND FILTERING OF AUDIO ADVERTISEMENTS - A data stream is filtered to produce a filtered data stream. The data stream is analyzed based on an acoustic parameter to determine whether a predetermined condition is satisfied. At least one extraneous portion of the data stream, in which the predetermined condition is satisfied, is determined. Thereafter, the at least one extraneous portion is deleted from the data stream to produce the filtered data stream. | 06-16-2011 |
| 20110145002 | AUTOMATIC DETECTION OF AUDIO ADVERTISEMENTS - A method, apparatus, and computer-readable medium for editing a data stream based on a corpus are provided. The data stream includes stream words. A sequence includes a predetermined number of sequential words of the stream words. The method, apparatus, and computer-readable medium determine whether the sequence exists in the corpus at least at a predetermined minimum frequency. When the sequence exists in the corpus at least at the predetermined minimum frequency, the sequence is edited in the data stream. | 06-16-2011 |
| 20110178805 | SOUND QUALITY CONTROL DEVICE AND SOUND QUALITY CONTROL METHOD - According to one embodiment, a sound quality control device includes: a time domain analysis module configured to perform a time-domain analysis on an audio-input signal; a frequency domain analysis module configured to perform a frequency-domain analysis on a frequency-domain signal; a first calculation module configured to calculate first speech/music scores based on the analysis results; a compensation filtering processing module configured to generate a filtered signal; a second calculation module configured to calculate second speech/music scores based on the filtered signal; a score correction module configured to generate one of corrected speech/music scores based on a difference between the first speech/music score and the second speech/music score; and a sound quality control module configured to control a sound quality of the audio-input signal based on the one of the corrected speech/music scores. | 07-21-2011 |
| 20110224990 | Speaker Speed Conversion System, Method for Same, and Speed Conversion Device - A speaker speed conversion system includes: a risk site detection unit ( | 09-15-2011 |
| 20110264453 | METHOD AND SYSTEM FOR ADAPTING COMMUNICATIONS - In a method of adapting communications in a communication system comprising at least two terminals ( | 10-27-2011 |
| 20130211845 | METHOD AND DEVICE FOR PROCESSING VOCAL MESSAGES - A method for automatically generating at least one voice message with the desired voice expression, starting from a prestored voice message, including assigning a vocal category to one word or to groups of words of the prestored message, computing, based on a vocal category/vocal parameter correlation table, a predetermined level of each one of the vocal parameters, emitting said voice message, with the vocal parameter levels computed for each word or group of words. | 08-15-2013 |
| 20130238342 | Insertion of Sounds Into Audio Content According to Pattern - Sounds are inserted into audio content according to a pattern. A library stores humanly perceptible voice sounds. Pattern control information is received that is associated with a device recording the audio content. A pattern is retrieved and washing machine sounds are inserted into the audio content according to the pattern. The humanly perceptible voice sounds are inserted into the audio content according to the pattern to generate a signed audio recording. | 09-12-2013 |
| 20130262127 | Content Customization - A content processing service may analyze an item of original content and identify several objects, attributes of those objects, and relationships between those objects present in the item of original content. The content processing service may also analyze a source graph, such as a social graph or supplemental graph, and identify several objects, attributes of those objects, and relationships between objects present in the source graph. The content processing service may customize the item of original content by selecting an original object and selecting a source graph object. One or more of the attributes or relationships of the selected original object in the item of original content may be replaced by one or more of the attributes or relationships of the selected source graph object. To customize items of audio content, audio content associated with the source graph object may replace audio content associated with the target graph object. | 10-03-2013 |
| 20140222437 | Out-of-Band Notification of Muting During Voice Activity - Apparatus having corresponding methods and computer-readable media comprise: a muter configured to pass or block an audio signal; a voice activity detector configured to detect voice activity in the audio signal; and a vibrator configured to produce a mechanical vibration responsive to the contemporaneous occurrence of i) the voice activity detector detecting the voice activity in the audio signal; and ii) the muter being configured to block the audio signal. | 08-07-2014 |
| 20140372129 | POSITION DIRECTED ACOUSTIC ARRAY AND BEAMFORMING METHODS - Methods and systems are provided for receiving desired sounds. The system includes a position sensor configured to determine an occupant position of an occupant engaging in speech within a defined space and transmit the speaking occupant position. A plurality of microphones are configured to receive sound from within the defined space and transmit audio signals corresponding to the received sound. A processor, in communication with the position sensor and the microphones, is configured to receive the speaking occupant position and the audio signals, apply a beamformer to the audio signals to direct a microphone beam toward the occupant position, and generate a beamformer output signal. | 12-18-2014 |
| 20150149183 | Process and Associated System for Separating a Specified Component and an Audio Background Component from an Audio Mixture Signal - Processes are described herein for transforming an audio mixture signal data structure into a specified component data structure and a background component data structure. In the processes described herein, pitch differences between a guide signal and a dialogue component of an audio mixture signal are accounted for by explicit modeling. Processes described herein can involve obtaining an audio guide signal data structure that corresponds to a dubbing of the specified component, determining parametric spectrogram model data structures for spectrograms of the specified component and the background component, estimating parameters of the parametric spectrogram model data structures to produce data structures representing, a temporary specified signal and a temporary background signal, and filtering the audio mixture signal data structure using the data structures representing the temporary specified signal and the temporary background signal in order to produce data structures representing a specified audio signal and an audio background signal. | 05-28-2015 |
| 20160093316 | Management, Replacement and Removal of Explicit Lyrics during Audio Playback - Unwanted audio, such as explicit language, may be removed during audio playback. An audio player may identify and remove unwanted audio while playing an audio stream. Unwanted audio may be replaced with alternate audio, such as non-explicit lyrics, a “beep”, or silence. Metadata may be used to describe the location of unwanted audio within an audio stream to enable the removal or replacement of the unwanted audio with alternate audio. An audio player may switch between clean and explicit versions of a recording based on the locations described in the metadata. The metadata, as well as both the clean and explicit versions of the audio data, may be part of a single audio file, or the metadata may be separate from the audio data. Additionally, real-time recognition analysis may be used to identify unwanted audio during audio playback. | 03-31-2016 |
