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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620543 |
Method, medium, and apparatus for converting audio data |
Nov. 17, 2009 |
| 7620554 |
Multichannel audio extension |
Nov. 17, 2009 |
| 7617109 |
Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
Nov. 10, 2009 |
| 7613264 |
Flexible sampling-rate encoder |
Nov. 3, 2009 |
| 7613603 |
Audio coding device with fast algorithm for determining quantization step sizes based on psycho-acoustic model |
Nov. 3, 2009 |
| 7613615 |
Circuits, systems, and methods for real-time de-shuffling of shuffled audio data |
Nov. 3, 2009 |
| 7606716 |
Systems and methods for multi-dialog surround audio |
Oct. 20, 2009 |
| 7606711 |
Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method |
Oct. 20, 2009 |
| 7603270 |
Method of prioritizing transmission of spectral components of audio signals |
Oct. 13, 2009 |
| 7602922 |
Multi-channel encoder |
Oct. 13, 2009 |
| 7599475 |
Method and apparatus for generic analytics |
Oct. 6, 2009 |
| 7590543 |
Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
Sep. 15, 2009 |
| 7586937 |
Receiving device and method |
Sep. 8, 2009 |
| 7587314 |
Single-codebook vector quantization for multiple-rate applications |
Sep. 8, 2009 |
| 7583805 |
Late reverberation-based synthesis of auditory scenes |
Sep. 1, 2009 |
| 7584100 |
Method and system for clustering using generalized sentence patterns |
Sep. 1, 2009 |
| 7580832 |
Apparatus and method for robust classification of audio signals, and method for establishing and operating an audio-signal database, as well as computer program |
Aug. 25, 2009 |
| 7580843 |
Synthesis subband filter process and apparatus |
Aug. 25, 2009 |
| 7577570 |
Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
Aug. 18, 2009 |
| 7567898 |
Regulation of volume of voice in conjunction with background sound |
Jul. 28, 2009 |
| 7564978 |
Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
Jul. 21, 2009 |
| 7565298 |
Record carrier having an encoded wide-band digital audio signal recorded thereon |
Jul. 21, 2009 |
| 7562021 |
Modification of codewords in dictionary used for efficient coding of digital media spectral data |
Jul. 14, 2009 |
| 7558391 |
Compander architecture and methods |
Jul. 7, 2009 |
| 7555434 |
Audio decoding device, decoding method, and program |
Jun. 30, 2009 |
| 7552048 |
Method and device for performing frame erasure concealment on higher-band signal |
Jun. 23, 2009 |
| 7548864 |
Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
Jun. 16, 2009 |
| 7548852 |
Quality of decoded audio by adding noise |
Jun. 16, 2009 |
| 7548853 |
Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
Jun. 16, 2009 |
| 7548790 |
Effective deployment of temporal noise shaping (TNS) filters |
Jun. 16, 2009 |
| 7546237 |
Bandwidth extension of narrowband speech |
Jun. 9, 2009 |
| 7542896 |
Audio coding/decoding with spatial parameters and non-uniform segmentation for transients |
Jun. 2, 2009 |
| 7543212 |
Low-density parity-check (LDPC) encoder |
Jun. 2, 2009 |
| 7539345 |
Method of processing image and audio information, image and audio processing apparatus and computer program that causes a computer to process image and audio information |
May. 26, 2009 |
| 7536305 |
Mixed lossless audio compression |
May. 19, 2009 |
| 7536301 |
System and method for implementing real-time adaptive threshold triggering in acoustic detection systems |
May. 19, 2009 |
| 7533022 |
Printed media with machine readable markings |
May. 12, 2009 |
| 7529941 |
System and method of retrieving a watermark within a signal |
May. 5, 2009 |
| 7529673 |
Spectral parameter substitution for the frame error concealment in a speech decoder |
May. 5, 2009 |
| 7521621 |
Compressed data structure and apparatus and method related thereto |
Apr. 21, 2009 |
| 7519530 |
Audio signal processing |
Apr. 14, 2009 |
| 7519520 |
Compact signal coding method and apparatus |
Apr. 14, 2009 |
| 7516064 |
Adaptive hybrid transform for signal analysis and synthesis |
Apr. 7, 2009 |
| 7516066 |
Audio coding |
Apr. 7, 2009 |
| 7512539 |
Method and device for processing time-discrete audio sampled values |
Mar. 31, 2009 |
| 7509254 |
Encoding device and decoding device |
Mar. 24, 2009 |
| 7505900 |
Signal encoding apparatus, signal encoding method, and program |
Mar. 17, 2009 |
| 7505912 |
Network telephone set and audio decoding device |
Mar. 17, 2009 |
| 7502743 |
Multi-channel audio encoding and decoding with multi-channel transform selection |
Mar. 10, 2009 |
| 7499851 |
System and method for deploying filters for processing signals |
Mar. 3, 2009 |
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