220303 ⎘
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
Method of and a device for processing audio data, a program element and a computer-readable medium
#302Audio Reproducing Apparatus and Method, and Computer Program
#303Adaptive dynamic range optimization sound processor
#304Amplifier and Method of Amplification
#305Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
#306Speed- and User-Dependent Timbre and Dynamic Range Control Method, Apparatus and System for Automotive Audio Reproduction Systems
#307System and method for audio signal processing
#308Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
#309Signal strength information dependent control of small electrodynamic transducers in audio systems
#310Three-channel state-variable compressor circuit
#311Method and apparatus for adaptive sound processing parameters
#312Method and apparatus to reconstruct high-frequency components of an audio signal
#313Method for limiting the dynamic range of audio signals, and circuit arrangement for this purpose
#314Apparatus for reproduction of compressed audio data
#315Dynamic equalizing
#316Audio enhancement system
#317Method and apparatus of compensating for speaker distortion in an audio apparatus
#318Adaptive dynamic range optimization sound processor
#319NVH dependent parallel compression processing for automotive audio systems
#320Signal compression/expansion device and mobile communication terminal
#321Hearing compensation system incorporating signal processing techniques
#322Communication headset with signal processing capability
#323Audio pre-amp and mid-band compressor circuit
#324Apparatus and method for reconstructing high frequency part of signal
#325Audio correcting apparatus
#326Linking audio amplification gain reduction per channel and across frequency ranges