Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 704/500
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Audio signal bandwidth compression or expansion
Description: Subject matter where there is either an expansion or reduction of the bandwidth required for transmission of a sound signal.










Sub-classes under this class:

Class Number Class Name Patents
704/502 Delay line 165
704/501 With content reduction encoding 588


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7702514 Adjustment of scale factors in a perceptual audio coder based on cumulative total buffer space used and mean subband intensities Apr. 20, 2010
7702513 High quality image and audio coding apparatus and method depending on the ROI setting Apr. 20, 2010
7702504 Bitrate scalable speech coding and decoding apparatus and method Apr. 20, 2010
7701371 Digital gain computation for automatic gain control Apr. 20, 2010
7698144 Automated audio sub-band comparison Apr. 13, 2010
7698143 Constructing broad-band acoustic signals from lower-band acoustic signals Apr. 13, 2010
7696907 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor Apr. 13, 2010
7693721 Hybrid multi-channel/cue coding/decoding of audio signals Apr. 6, 2010
7693709 Reordering coefficients for waveform coding or decoding Apr. 6, 2010
7693706 Method for generating encoded audio signal and method for processing audio signal Apr. 6, 2010
7689427 Methods and apparatus for implementing embedded scalable encoding and decoding of companded and vector quantized audio data Mar. 30, 2010
7689406 Method and system for measuring a system's transmission quality Mar. 30, 2010
7684981 Prediction of spectral coefficients in waveform coding and decoding Mar. 23, 2010
7684498 Signal processing using pilot based coding Mar. 23, 2010
7680671 Multi-precision technique for digital audio encoder Mar. 16, 2010
7680670 Dimensional vector and variable resolution quantization Mar. 16, 2010
7680669 Sound encoding apparatus and method, and sound decoding apparatus and method Mar. 16, 2010
7680194 Method and apparatus for signal processing, encoding, and decoding Mar. 16, 2010
7676374 Low complexity subband-domain filtering in the case of cascaded filter banks Mar. 9, 2010
7675977 Method and apparatus for processing audio signal Mar. 9, 2010
7672743 Digital audio processing Mar. 2, 2010
7672379 Audio signal processing, encoding, and decoding Mar. 2, 2010
7671766 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor Mar. 2, 2010
7668723 Scalable lossless audio codec and authoring tool Feb. 23, 2010
7668722 Multi parametrisation based multi-channel reconstruction Feb. 23, 2010
7668711 Coding equipment Feb. 23, 2010
7664559 Effective deployment of temporal noise shaping (TNS) filters Feb. 16, 2010
7660720 Lossless audio coding/decoding method and apparatus Feb. 9, 2010
7660358 Signal processing using pilot based coding Feb. 9, 2010
7657426 System and method for deploying filters for processing signals Feb. 2, 2010
7653539 Communication device, signal encoding/decoding method Jan. 26, 2010
7653538 Playback apparatus and playback method Jan. 26, 2010
7650285 Method and system for adjusting digital audio playback sampling rate Jan. 19, 2010
7650278 Digital signal encoding method and apparatus using plural lookup tables Jan. 19, 2010
7650277 System, method, and apparatus for fast quantization in perceptual audio coders Jan. 19, 2010
7647229 Time scaling of multi-channel audio signals Jan. 12, 2010
7646319 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor Jan. 12, 2010
7644002 Multi-pass variable bitrate media encoding Jan. 5, 2010
7644001 Differentially coding an audio signal Jan. 5, 2010
7643562 Signal processing using pilot based coding Jan. 5, 2010
7643561 Signal processing using pilot based coding Jan. 5, 2010
7640157 Systems and methods for low bit rate audio coders Dec. 29, 2009
7640156 Low bit-rate audio encoding Dec. 29, 2009
7634400 Device and process for use in encoding audio data Dec. 15, 2009
7634399 Voice transcoder Dec. 15, 2009
7631095 Systems and methods for obtaining the metadata for an Internet radio station in a bandwidth-efficient manner Dec. 8, 2009
7630902 Apparatus and methods for digital audio coding using codebook application ranges Dec. 8, 2009
7630882 Frequency segmentation to obtain bands for efficient coding of digital media Dec. 8, 2009
7627702 Data reproduction device and method, and program Dec. 1, 2009
7627482 Methods, storage medium, and apparatus for encoding and decoding sound signals from multiple channels Dec. 1, 2009

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next










 
 
  Recently Added Patents
Method and system for implementing power detection
Configurable pitch reducing optical fiber array
Electronic devices with voice command and contextual data processing capabilities
System and method for a driver circuit with a referenced control signal
System and method for producing statistically valid assay means and ranges for quality control materials
Removable case
Display device substrate, method for manufacturing the same, display device, method for forming multi-layer wiring, and multi-layer wiring substrate
  Randomly Featured Patents
Die pickup apparatus for picking up semiconductor dies and methods for picking up semiconductor dies
Burn-in board with adaptable heat sink device
Apparatus for interleaving and de-interleaving data
Clamshell retail package for transponder
Vehicle taillight
Preparation of carboxylic acids using a BF.sub.3 catalyst complex
Method and system to digitally sign and deliver content in a geographically controlled manner via a network
Light-emitting diode
Transmission channel allocation method and radio apparatus using the same
Off-line content delivery system with layered encryption