Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › G10L 21 - Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
Patents for G10L 21 - Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (18,985)
05/2003
05/14/2003CN1418361A Wideband signal transmission system
05/14/2003CN1418340A Computer comprising maltiway acoustic output and input system
05/14/2003CN1417773A On-line phone processing system
05/14/2003CN1417679A Application abstraction aimed at dialogue
05/13/2003US6564187 Waveform signal compression and expansion along time axis having different sampling rates for different main-frequency bands
05/13/2003US6564184 Digital filter design method and apparatus
05/08/2003WO2003038813A1 Audio encoding and decoding device
05/08/2003WO2003038812A1 Audio encoding and decoding device
05/08/2003WO2003038811A1 Color palette based encoding of audio data
05/08/2003WO2003038389A1 Encoding device, decoding device and audio data distribution system
05/08/2003US20030088784 Systems and methods for secure transaction management and electronic rights protection
05/08/2003US20030088423 Encoding device and decoding device
05/08/2003US20030088411 Speech recognition by dynamical noise model adaptation
05/08/2003US20030088404 Compression method and apparatus, decompression method and apparatus, compression/decompression system, peak detection method, program, and recording medium
05/08/2003US20030088400 Encoding device, decoding device and audio data distribution system
05/08/2003US20030088328 Encoding device and decoding device
05/08/2003US20030088327 Narrow-band audio signals
05/08/2003US20030088326 Low power digital audio decoding/playing system for computing devices
05/08/2003US20030086575 Method and apparatus for noise filtering
05/08/2003US20030086436 Recommendation for a 1-bit Z channel for DRR
05/08/2003US20030086382 Coefficient domain history storage of voice processing systems
05/07/2003EP1308927A1 Voice data processing device and processing method
05/07/2003EP1308050A2 System and method for enabling audio speed conversion
05/07/2003EP1307882A2 Memory addressing method suitable for systems having a variable speed data reproduction capability
05/07/2003CN1416564A Noise reduction appts. and method
05/07/2003CN1416563A Wideband extension of telephone speech for higher perceptual quality
05/02/2003EP1306832A1 Robot acoustic device and robot acoustic system
05/02/2003EP1306831A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
05/02/2003EP1306830A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
05/01/2003WO2003036892A1 Device and method for suppressing periodic interference signals
05/01/2003WO2003036624A1 Method of transmission of wideband audio signals on a transmission channel with reduced bandwidth
05/01/2003WO2003036623A1 Speech extender and method for estimating a broadband speech signal from a narrowband speech signal
05/01/2003WO2003036621A1 Method and apparatus for enhancing loudness of an audio signal
05/01/2003WO2003036617A1 Speech recognition apparatus and speech recognition method
05/01/2003WO2003036614A2 System and apparatus for speech communication and speech recognition
05/01/2003WO2002086868A3 Processing speech signals
05/01/2003US20030083880 Framework for channelized voice using SDSL
05/01/2003US20030083866 Requirements for dynamic rate repartitioning
05/01/2003US20030081797 Audio processing device
05/01/2003US20030081750 Apparatus and method for transmission and receipt of conference call roster information via the internet
05/01/2003US20030081749 Apparatus and method for transmission and receipt of conference call roster information via a telephone display unit
05/01/2003US20030081146 Optical encoding of audio data
04/2003
04/30/2003CN1415139A System and method for noise cuppression in communication signal
04/30/2003CN1107305C Sound reproducing device
04/29/2003US6556966 Codebook structure for changeable pulse multimode speech coding
04/29/2003US6556682 Method for cancelling multi-channel acoustic echo and multi-channel acoustic echo canceller
04/24/2003WO2003034407A1 Method and system for reducing a voice signal noise
04/24/2003WO2003034271A2 Method and apparatus for transmitting language messages
04/24/2003US20030079176 Advertisement method and system for displaying an advertisement window in the specific area of a web browser
04/24/2003US20030078781 System and method for speech activated navigation
04/24/2003US20030078772 Noise reduction method
04/24/2003US20030078767 Method and system for implementing a low complexity spectrum estimation technique for comfort noise generation
04/23/2003EP1304681A2 Speech absence probability estimation and noise removal
04/23/2003EP1304614A2 Application abstraction with dialog purpose
04/23/2003EP1303855A2 Continuously variable time scale modification of digital audio signals
04/23/2003CN1412742A Speech signal base voice period detection method based on wave form correlation method
04/23/2003CN1106615C Voice recording and playback system auxiliary device, voice mail equipment and system
04/22/2003US6550332 Real-time noise source visualizing system using acoustic mirror
04/17/2003WO2003032560A1 Impulse noise suppression device
04/17/2003US20030074196 Text-to-speech conversion system
04/17/2003US20030072468 Curve fitting for synchronizing readers of hidden auxiliary data
04/16/2003EP1303094A2 Noise canceling method and apparatus
04/16/2003EP1301923A2 Method and apparatus for removing noise from speech signals
04/16/2003CN1106091C Noise reducing method, noise reducing apparatus and telephone set
04/10/2003WO2003029945A1 Low power digital audio decoding/playing system for computing devices
04/10/2003US20030069997 Multi modal communications system
04/10/2003US20030069733 Voice control method utilizing a single-key pushbutton to control voice commands and a device thereof
04/10/2003US20030069732 Method for creating a personalized animated storyteller for audibilizing content
04/10/2003US20030069727 Speech recognition using microphone antenna array
04/09/2003EP1300963A1 Echo processing apparatus
04/09/2003EP1300833A2 A method of bandwidth extension for narrow-band speech
04/09/2003EP1300832A1 Speech recognizer, method for recognizing speech and speech recognition program
04/09/2003EP1299996A1 Speech quality estimation for off-line speech recognition
04/09/2003CN1409577A Actor's line scomponent emphasizer
04/08/2003US6546082 Method and apparatus for assisting speech and hearing impaired subscribers using the telephone and central office
04/08/2003US6545985 Echo cancellation mechanism
04/03/2003WO2003028006A2 Selective sound enhancement
04/03/2003WO2002056302A3 Noise reduction apparatus and method
04/03/2003US20030065513 Voice input and output apparatus
04/03/2003US20030065509 Method for improving noise reduction in speech transmission in communication systems
04/03/2003US20030063759 Directional audio signal processing using an oversampled filterbank
04/02/2003EP1298643A1 Frequency interpolating device and frequency interpolating method
04/02/2003CN1408110A Sinusoidal model based coding of audio signals
04/02/2003CN1408109A Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting
04/01/2003US6542864 Speech enhancement with gain limitations based on speech activity
03/2003
03/27/2003WO2003026127A1 Unobtrusive removal of periodic noise
03/27/2003US20030061185 System and method of separating signals
03/27/2003US20030061055 Audio coding
03/27/2003US20030061049 Synthesized speech intelligibility enhancement through environment awareness
03/27/2003US20030061047 Voice converter with extraction and modification of attribute data
03/27/2003US20030061037 Method and apparatus for identifying noise environments from noisy signals
03/27/2003US20030061035 Method and apparatus for blind separation of an overcomplete set mixed signals
03/27/2003US20030061032 Selective sound enhancement
03/27/2003US20030060911 Low power digital audio decoding/playing system for computing devices
03/26/2003EP1295507A2 Method and apparatus for voice signal extraction
03/26/2003EP1295283A1 Audio coding
03/26/2003EP0728350B1 Method and apparatus for selecting an encoding rate in a variable rate vocoder
03/26/2003CN1406090A System for changing character message into voice using comprehensive service device
03/25/2003US6539355 Signal band expanding method and apparatus and signal synthesis method and apparatus
03/25/2003US6539354 Methods and devices for producing and using synthetic visual speech based on natural coarticulation
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