REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Data Processing: Speech Signal Processing, Linguistics, Language Translation, And Audio Compression/decompression > Speech Signal Processing > For Storage Or Transmission > Adaptive Bit Allocation Adaptive Bit AllocationAdaptive Bit Allocation patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/16/06 - 20060259297 - Method and system for decoding gsm speech data using redundancy Aspects of a method and system for decoding GSM speech data using redundancy are provided. A decoding algorithm in a frame process may be utilized to generate a bit-sequence for GSM speech data received via a burst process. The decoding algorithm may be a modified Viterbi algorithm, for example. The ... 11/02/06 - 20060247928 - Method and system for operating audio encoders in parallel The time needed to encode an input audio stream is reduced by dividing the stream into two or more overlapping segments of audio information blocks, applying an encoding process to each segment to generate encoded segments in parallel, and appending the encoded segments to form an encoded output signal. The ... 10/26/06 - 20060241940 - Quantization of speech and audio coding parameters using partial information on atypical subsequences A method and apparatus is disclosed herein for a quantizing parameters using partial information on atypical subsequences. In one embodiment, the method comprises partially classifying a first plurality of subsequences in a target vector into a number of selected groups, creating a refined fidelity criterion for each subsequence of the ... 10/19/06 - 20060235683 - Lossless encoding of information with guaranteed maximum bitrate A compact encoded representation of information values not exceeding a predefined size can be derived when a first encoding rule generating an encoded representation of the information values of variable length is compared to a second encoding rule generating an encoded representation of the information values of fixed length and ... 09/21/06 - 20060212290 - Audio coding apparatus and audio decoding apparatus An audio coding apparatus comprises a frequency converting unit which performs a frequency transformation, a band dividing unit which divides a frequency band of frequency transformation factors into sub bands, a band width of the sub bands being narrower for a lower frequency sub band and wider for a higher ... 07/20/06 - 20060161428 - Narrowband detector A narrowband signal detector has an adaptable filter and controller for controlling the centre frequency and the bandwidth of the filter, to track the narrowband signal. Better control of the filter can be achieved by basing the filter control on a comparison of output and input to the filter. The ... 06/29/06 - 20060143004 - Sound transmission system The present invention relates to a sound transmission system using a human body as a propagation medium. The transmission system includes a first signal transmitter and a second signal transmitter respectively generating signals having frequencies corresponding to each other, the first and second signal transmitters being coupled to the human ... 06/08/06 - 20060122830 - Embedded code-excited linerar prediction speech coding and decoding apparatus and method Provides is an embedded code-excited linear prediction speech coding/decoding apparatus and method that can deal with the capacity change of speech transmission channel by modeling an error signal not coded at a core speech coder based on a transmission rate in a multiple pulse search mode- or gain compensation mode ... 06/08/06 - 20060122829 - Method for constructing acoustic model and acoustic model-based exploring method in speech recognition system A method for constructing an acoustic model and an acoustic model-based exploring method in a speech recognition system are provided. In the method, an arrangement A that corresponds to N phonemes, and an arrangement M storing phoneme weights that belong to upper index weights among N phonemes in an order ... 06/01/06 - 20060116875 - Speech signal decoding method and apparatus using decoded information smoothed to produce reconstructed speech signal of enhanced quality In a speech signal decoding method, information containing at least a sound source signal, gain, and filter coefficients is decoded from a received bit stream. Voiced speech and unvoiced speech of a speech signal are identified using the decoded information. Smoothing processing based on the decoded information is performed for ... 04/13/06 - 20060080094 - Reproduction device and reproduction method Noise is prevented when decoding an audio stream not containing syncwords or CRC bits in the elementary stream. When decoding a current frame, the private header of the next frame is analyzed and the current frame is muted if the private header of the next frame is not valid. When ... 04/06/06 - 20060074649 - Mapped meta-data sound-playback device and audio-sampling/sample-processing system usable therewith Audio samples corresponding to audio extracts or whole audio titles are automatically mapped to triggers 12 in a playable sound-producing device 1, the mapping being dependent on the meta-data associated with the audio samples. Thus, a user can play the sound-producing device and generate sounds derived from his favourite audio ... 03/30/06 - 20060069556 - Method and system for active noise cancellation A method and system for active noise cancellation is provided. The system employs subband processing, and preferably implements over-sampled filterbank. The system is applicable to adaptive noise cancellation, adaptive echo cancellation for portable listening devices, such as headsets and other similar listening devices. ... 03/30/06 - 20060069555 - Method, system and apparatus for allocating bits in perceptual audio coders A non-iterative and computationally efficient bit allocation technique for perceptual audio coders employing uniform quantization schemes. This is achieved by computing a target MNR for all critical bands in a frame using a target bit rate and associated SMRs. Associated SNRs are then computed for the critical bands using the ... 03/09/06 - 20060053006 - Audio encoding method and apparatus capable of fast bit rate control Provided are an audio encoding method and apparatus capable of fast bit rate control. The audio encoding method includes: converting audio sampling data into frequency domain data; adjusting a scalefactor value in each predetermined frequency band based on an available bits and allowed distortion of a psychoacoustic model to allocate ... 02/16/06 - 20060036435 - Method for encoding and decoding audio at a variable rate A maximum of Nmax bits for encoding is defined for a set of parameters which may be calculated from a signal frame. The parameters for a first sub-set are calculated and encoded with N0 bits, where N0<Nmax. The allocation of Nmax−N0 encoding bits for the parameters of a second sub-set ... 02/16/06 - 20060036434 - Resource reservation in transmission networks The present invention provides for a reliable communication over radio networks co-existing in the same frequency band. According to the present invention, a transceiver operating according to another transmission scheme may transmit a frame in the IEEE 802.11 format. This frame may comprise an error. Upon receipt of this frame ... 02/02/06 - 20060025994 - Audio enhancement system and method A system and method for enhancing the sound signal produced by an audio system in a listening environment by compensating for ambient sound in the listening environment, comprises producing an audio sound in the time domain from an electrical sound signal in the time domain. The electrical sound signal in ... 12/15/05 - 20050278174 - Audio coder An audio coder that improves audio quality by reducing a quantization error. When a code corresponding to a sampled value of an audio signal is determined, a candidate code storage section stores all combinations of candidate codes in a neighborhood interval of the sampled value. A local decoder generates reproduced ... 12/15/05 - 20050278173 - Determination of the common origin of two harmonic signals One embodiment of the present invention provides a method of determining an evidence value capturing whether two band-pass signals are harmonics of a common fundamental frequency. A further embodiment of the present invention evaluates the distance between significant points of a signal such as a sinusoidal signal. One embodiment of ... 11/17/05 - 20050256708 - Audio encoding method and apparatus for electronic shock protection function in audio player An audio encoding method and apparatus for electronic shock protection (ESP) function in an audio player. A method of generating a frame structure for an electronic shock protection function of an audio player, includes: encoding original data of a frame and locating the encoded data in a first area that ... 10/27/05 - 20050240403 - Error resilient scalable audio coding A scalable audio codec processes, quantizes and encodes audio signals into an embedded audio bitstream of bit-planes each having a data unit. The data unit has a beginning refinement bits partition, a second significance bits partition, a third sign boundary mark bits partition, and a fourth sign bits partition. The ... 10/27/05 - 20050240402 - Method and apparatus for performing packet loss or frame erasure concealment The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or standard FEC process. A receiver with a decoder receives encoded frames of compressed speech information transmitted from an encoder. A lost frame detector ... 10/20/05 - 20050234716 - Reduced computational complexity of bit allocation for perceptual coding A process that allocates bits for quantizing spectral components in a perceptual coding system is performed more efficiently by obtaining an accurate estimate of the optimal value for one or more coding parameters that are used in the bit allocation process. In one implementation for a perceptual audio coding system, ... 09/01/05 - 20050192799 - Lossless audio decoding/encoding method, medium, and apparatus A lossless audio encoding/decoding method, medium, and apparatus. The lossless audio encoding method includes converting an audio signal in a time domain into an audio spectral signal with an integer in a frequency domain, mapping the audio spectral signal in the frequency domain to a bit plane signal according to ... 08/18/05 - 20050182623 - Efficient transmission of communication traffic A method for reducing a number of bits representing an encoded communication signal is disclosed. By this method, frames of an encoded signal are classified according to at least one characterization criterion selected from among a plurality of predetermined characterization criteria, and a representation signal is selected for each of ... 07/21/05 - 20050159946 - Quality and rate control strategy for digital audio An audio encoder regulates quality and bitrate with a control strategy. The strategy includes several features. First, an encoder regulates quantization using quality, minimum bit count, and maximum bit count parameters. Second, an encoder regulates quantization using a noise measure that indicates reliability of a complexity measure. Third, an encoder ... 06/23/05 - 20050137865 - Bit allocation for encoding track information Allocating bits in an encoding scheme to reduce the number of bits required to send starting track information. In one embodiment a joint starting track indicator is sent with a frame to indicate the starting tracks for all subframes in the frame. ... ### FreshPatents.com Support |