Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 704/229
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Adaptive bit allocation
Description: Subject matter wherein limited storage or transmission resources are allocated by giving more resources to areas containing more data and giving fewer resources to areas containing less data.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
7885809 Quantization of speech and audio coding parameters using partial information on atypical subsequences Feb. 8, 2011
7873511 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic Jan. 18, 2011
7860509 Methods and arrangements for adaptive thresholds in codec selection Dec. 28, 2010
7853438 Comparison of data signals using characteristic electronic thumbprints extracted therefrom Dec. 14, 2010
7848922 Method and apparatus for a thin audio codec Dec. 7, 2010
7840402 Audio encoding device, audio decoding device, and method thereof Nov. 23, 2010
7835906 Encoding method, apparatus and device and decoding method Nov. 16, 2010
7835904 Perceptual, scalable audio compression Nov. 16, 2010
7804827 Method for ensuring adequacy of transmission capacity, terminal employing the method, and software means for implementing the method Sep. 28, 2010
7801732 Audio codec system and audio signal encoding method using the same Sep. 21, 2010
7788090 Combined audio coding minimizing perceptual distortion Aug. 31, 2010
7787827 Preamble detection Aug. 31, 2010
7769583 Quantizing feature vectors in decision-making applications Aug. 3, 2010
7752039 Method and device for low bit rate speech coding Jul. 6, 2010
7752041 Method and apparatus for encoding/decoding digital signal Jul. 6, 2010
7752052 Scalable coder and decoder performing amplitude flattening for error spectrum estimation Jul. 6, 2010
7734053 Encoding apparatus, encoding method, and computer product Jun. 8, 2010
7725313 Method, system and apparatus for allocating bits in perceptual audio coders May. 25, 2010
7725324 Constrained filter encoding of polyphonic signals May. 25, 2010
7693707 Voice/musical sound encoding device and voice/musical sound encoding method Apr. 6, 2010
7693709 Reordering coefficients for waveform coding or decoding Apr. 6, 2010
7684980 Information flow transmission method whereby said flow is inserted into a speech data flow, and parametric codec used to implement same Mar. 23, 2010
7668715 Methods for selecting an initial quantization step size in audio encoders and systems using the same Feb. 23, 2010
7660720 Lossless audio coding/decoding method and apparatus Feb. 9, 2010
7660712 Speech gain quantization strategy Feb. 9, 2010
7657427 Methods and devices for source controlled variable bit-rate wideband speech coding Feb. 2, 2010
7653539 Communication device, signal encoding/decoding method Jan. 26, 2010
7650278 Digital signal encoding method and apparatus using plural lookup tables Jan. 19, 2010
7636660 Subband synthesis filtering process and apparatus Dec. 22, 2009
7634413 Bitrate constrained variable bitrate audio encoding Dec. 15, 2009
7634402 Apparatus for coding of variable bitrate wideband speech and audio signals, and a method thereof Dec. 15, 2009
7630882 Frequency segmentation to obtain bands for efficient coding of digital media Dec. 8, 2009
7630902 Apparatus and methods for digital audio coding using codebook application ranges Dec. 8, 2009
7630889 Code conversion method and device Dec. 8, 2009
7620545 Scale factor based bit shifting in fine granularity scalability audio coding Nov. 17, 2009
7620543 Method, medium, and apparatus for converting audio data Nov. 17, 2009
7613605 Audio signal encoding apparatus and method Nov. 3, 2009
7613609 Apparatus and method for encoding a multi-channel signal and a program pertaining thereto Nov. 3, 2009
7613606 Speech codecs Nov. 3, 2009
7613603 Audio coding device with fast algorithm for determining quantization step sizes based on psycho-acoustic model Nov. 3, 2009
7606711 Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method Oct. 20, 2009
7606705 Speech data receiver with detection of channel-coding rate Oct. 20, 2009
7599835 Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program Oct. 6, 2009
7590543 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks Sep. 15, 2009
7577570 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks Aug. 18, 2009
7565289 Echo avoidance in audio time stretching Jul. 21, 2009
7543212 Low-density parity-check (LDPC) encoder Jun. 2, 2009
7498959 Apparatus and method of wideband decoding to synthesize a decoded excitation signal with a generated high frequency band signal Mar. 3, 2009
7496517 Method and device for generating a scalable data stream and method and device for decoding a scalable data stream with provision for a bit saving bank function Feb. 24, 2009
7469209 Method and apparatus for frame classification and rate determination in voice transcoders for telecommunications Dec. 23, 2008

1 2 3 4 5 6 7 8 9 10 11 12










 
 
  Recently Added Patents
Rotating adapter assembly
Method and system for shielding semiconductor devices from light
Parallel Reed-Solomon RAID (RS-RAID) architecture, device, and method
Dielectrophoresis apparatus including concentration gradient generating unit, method of separating material using the same, and method of screening condition for separating material
Computing correlated aggregates over a data stream
Interruption of write memory operations to provide faster read access in a serial interface memory
Traction channel equipped ramp system for bridging flexible cable to rigid rail
  Randomly Featured Patents
Knock sensor
Metal detector for intake of field chopper
Card reader
Contact ring with embedded flexible contacts
Multi-scale finite-volume method for use in subsurface flow simulation
Thermal cracking of gas oil to middle distillate
Joining method and joining apparatus
Front bumper
Autoclave capable chip-scale package
Camera-based calibration of projectors in autostereoscopic displays