Method of upgrading a data stream of multimedia data

Method, medium, and apparatus for converting audio data

Method, medium, and system for music retrieval using...

Multi-channel audio encoding/decoding with parametric...

Multimodal quality assessment

Nonlinear operation method suitable for audio...

Perceptual coding of audio signals using cascaded...

Perceptual normalization of digital audio signals

Perceptual weighting device and method for efficient coding...

Perceptual, scalable audio compression

Preclassification of audio material in digital audio...

Quantization in perceptual audio coders with compensation...

Quantization matrices based on critical band pattern...

Quantization noise shaping method and apparatus

Rate loop processor for perceptual encoder/decoder

Reduced length infinite impulse response weighting

Scalable audio coding

Scalable compression of audio and other signals

Signals having quantized values and variable length codes

Sound intelligibility enhancement using a psychoacoustic...