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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 |
| 8468026 |
Audio decoding using variable-length codebook application ranges |
Jun. 18, 2013 |
| 8468025 |
Method and apparatus for processing signal |
Jun. 18, 2013 |
| 8468024 |
Generating a frame of audio data |
Jun. 18, 2013 |
| 8467442 |
Image searching device and method, program and program recording medium |
Jun. 18, 2013 |
| 8463615 |
Low-delay audio coder |
Jun. 11, 2013 |
| 8463614 |
Audio encoding/decoding for reducing pre-echo of a transient as a function of bit rate |
Jun. 11, 2013 |
| 8463412 |
Method and apparatus to facilitate determining signal bounding frequencies |
Jun. 11, 2013 |
| 8458365 |
Synchronization of side information caches |
Jun. 4, 2013 |
| 8457977 |
Advanced encoding of music files |
Jun. 4, 2013 |
| 8457976 |
Sub-band processing complexity reduction |
Jun. 4, 2013 |
| 8457975 |
Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
Jun. 4, 2013 |
| 8457958 |
Audio transcoder using encoder-generated side information to transcode to target bit-rate |
Jun. 4, 2013 |
| 8457957 |
Optimization of MP3 audio encoding by scale factors and global quantization step size |
Jun. 4, 2013 |
| 8452606 |
Speech encoding using multiple bit rates |
May. 28, 2013 |
| 8452605 |
Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples |
May. 28, 2013 |
| 8452431 |
Effective deployment of temporal noise shaping (TNS) filters |
May. 28, 2013 |
| 8447621 |
Methods for improving high frequency reconstruction |
May. 21, 2013 |
| 8447620 |
Multi-resolution switched audio encoding/decoding scheme |
May. 21, 2013 |
| 8447619 |
User attribute distribution for network/peer assisted speech coding |
May. 21, 2013 |
| 8447618 |
Method and apparatus for encoding and decoding residual signal |
May. 21, 2013 |
| 8447617 |
Method and system for speech bandwidth extension |
May. 21, 2013 |
| 8447591 |
Factorization of overlapping tranforms into two block transforms |
May. 21, 2013 |
| 8446301 |
Methods and devices for coding and decoding the position of the last significant coefficient |
May. 21, 2013 |
| 8442836 |
Method and device of bitrate distribution/truncation for scalable audio coding |
May. 14, 2013 |
| 8442816 |
Music-piece classification based on sustain regions |
May. 14, 2013 |
| 8438630 |
Data loss prevention system employing encryption detection |
May. 7, 2013 |
| 8438036 |
Asynchronous sampling rate converter for audio applications |
May. 7, 2013 |
| 8438013 |
Music-piece classification based on sustain regions and sound thickness |
May. 7, 2013 |
| 8433584 |
Multi-channel audio decoding method and apparatus therefor |
Apr. 30, 2013 |
| 8433583 |
Audio decoding |
Apr. 30, 2013 |
| 8433582 |
Method and apparatus for estimating high-band energy in a bandwidth extension system |
Apr. 30, 2013 |
| 8433581 |
Audio encoding device and audio encoding method |
Apr. 30, 2013 |
| 8428959 |
Audio packet loss concealment by transform interpolation |
Apr. 23, 2013 |
| 8428958 |
Apparatus and method of encoding and decoding signals |
Apr. 23, 2013 |
| 8428957 |
Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands |
Apr. 23, 2013 |
| 8428956 |
Audio encoding device and audio encoding method |
Apr. 23, 2013 |
| 8428942 |
Method and apparatus for re-encoding signals |
Apr. 23, 2013 |
| 8428941 |
Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
Apr. 23, 2013 |
| 8423371 |
Audio encoder, decoder, and encoding method thereof |
Apr. 16, 2013 |
| 8417531 |
Methods and apparatuses for encoding and decoding object-based audio signals |
Apr. 9, 2013 |
| 8417515 |
Encoding device, decoding device, and method thereof |
Apr. 9, 2013 |
| 8412533 |
Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method |
Apr. 2, 2013 |
| 8411869 |
Method and apparatus for processing a media signal |
Apr. 2, 2013 |
| 8407060 |
Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor |
Mar. 26, 2013 |
| 8407059 |
Method and apparatus of audio matrix encoding/decoding |
Mar. 26, 2013 |
| 8407043 |
Computationally efficient audio coder |
Mar. 26, 2013 |
| 8401972 |
System and method of generating a per sale watermarking on digital files |
Mar. 19, 2013 |
| 8401865 |
Flexible parameter update in audio/speech coded signals |
Mar. 19, 2013 |
| 8401863 |
Audio encoding and decoding with conditional quantizers |
Mar. 19, 2013 |
| 8401862 |
Audio encoder, method for providing output signal, bandwidth extension decoder, and method for providing bandwidth extended audio signal |
Mar. 19, 2013 |
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