Abstract: The present invention relates to a bass enhancement system comprising a bass substitution filter with variable gain and variable band width, wherein said variable gain and variable bandwidth at least partly depends on characteristics of an input signal. The present invention further relates to a bass enhancement system according to the above, further comprising a hearing compensation filter and a loudspeaker bass response compensation filter, wherein said input signal is coupled to said hearing compensation filter, the output of which is coupled to said loudspeaker bass response filter, the output of which is coupled to said bass substitution filter. The present invention further relates to a method of enhancing bass perception comprising boosting a reproducible bass frequency band in accordance with characteristics of signal content in a substantially non-reproducible bass frequency band.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring tuning as a part of a user session.

Abstract: A musical instrument tuner for string instruments is provided which comprises a signal classifier for determining a signal class of an input signal from a number of monophonic signal classes and a number of polyphonic signal classes, a signal analyzer for determining at least one representation of a pitch frequency of the input signal, and an indicator for displaying an output established on the basis of the signal class and the representation of a pitch frequency.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring different levels of detail for displaying monophonic and polyphonic characteristics of an input signal.

Abstract: A musical instrument tuner for string instruments is disclosed, which comprises a signal classifier for determining a signal class of an input signal from a number of monophonic signal classes and a number of polyphonic signal classes, a signal analyzer for determining at least one representation of a pitch frequency of the input signal, and an indicator for displaying an output established on the basis of the signal class and the representation of a pitch frequency, wherein the indicator includes at least a monophonic display mode and at least a polyphonic display; and wherein the display mode is selected in dependency of the signal class determined by the signal classifier. Tuning methods, computer program products, music instruments, amplifiers and audio processors relating to the above are also disclosed.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring tuning as a part of a user session.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring simultaneous display of monophonic and polyphonic characteristics.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring different levels of detail for displaying monophonic and polyphonic characteristics of an input signal.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring tuning as a part of a user session.

Abstract: A musical instrument tuner for string instruments is disclosed, which comprises a signal classifier for determining a signal class of an input signal from a number of monophonic signal classes and a number of polyphonic signal classes, a signal analyzer for determining at least one representation of a pitch frequency of the input signal, and an indicator for displaying an output established on the basis of the signal class and the representation of a pitch frequency, wherein the indicator includes at least a monophonic display mode and at least a polyphonic display; and wherein the display mode is selected in dependency of the signal class determined by the signal classifier. Tuning methods, computer program products, music instruments, amplifiers and audio processors relating to the above are also disclosed.

Abstract: Method of evaluating perception intensity of an audio input signal (IS) comprising the steps of receiving the audio input signal (IS), estimating a time variant distribution function (TVDF) on the basis of said audio input signal (IS) or a derivative thereof, determining the perception intensity as at least one perception intensity estimate (PIE) on the basis of said estimated time variant distribution function (TVDF). According to the invention perception intensity has been obtained on the basis of a time variant distribution function. Thereby, an advantageous universal and flexible determination of perception intensity is obtained. The universal applicability is basically obtained due to the fact that a distribution function may match and describe audio input signal of very different nature. Thus, according to the invention even speech, music and noise may be evaluated on the basis of a distribution function.

Abstract: The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring tuning as a part of a user session.

Abstract: The invention relates to a loudness meter including display means and data-processing means where the data-processing means establishes loudness estimates on the basis of an input signal, a first part of the loudness meter indicating a current loudness estimate on the display means, a further part of the loudness meter indicating a time window of previous loudness estimates on the display means.

Abstract: “Method of processing an input sound signal into at least one output signal by means of room simulation processing, the method including processing the input sound signal into at least two sound signal components, each sound signal component representing room simulation of the input signal when having a predefined directivity pattern, at least two of the predefined directivity patterns being mutually different, combining the at least two sound signal components into a resulting room simulation signal by means of combining means.

Abstract: The invention relates to a method of processing an input sound signal (ISS) into at least one output signal (OS) by means of a room simulation processing (RSP) said method comprising the steps of processing the input sound signal into at least two sound signal components (SSC1, SSC2, SSC3, SSC4), each sound signal component (SSC1, SSC2, SSC3, SSC4) representing room simulation of said input signal (ISS) when having a predefined directivity pattern (PDP1, PDP2, PDP3, PDP4), at least two of said predefined directivity patterns (PDP1, PDP2, PDP3, PDP4) being mutually different, and combining said at least two sound signal components (SSC1, SSC2, SSC3, SSC4) into a resulting room simulation. According to the invention, improved room simulation quality has been obtained by means of only little signal processing capacity.