Matches 151 - 200 out of 301 < 1 2 3 4 5 6 7 >
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5260920 Acoustic space reproduction method, sound recording device and sound recording medium  
A system for reproducing a sound field simulating a real acousting space includes a sound collecting device, a sound recording device and a sound reproducing device. The sound collecting device...
5257313 Surround audio apparatus  
A surround audio apparatus is comprised of an input terminal to which a stereo audio signal encoded for surround reproduction is supplied, an analog-to-digital converter for converting the stereo...
5255323 Digital signal processing device and audio apparatus using the same  
A digital signal processing device for outputting a holding data in an output register from a DSP in synchronism with a second clock pulse having a frequency lower than that of a first clock pulse...
5241604 Sound effect apparatus  
In a sound effect apparatus which processes audio signals, a volume controller controls the volume of sound and a preset volume is detected by a detector. A plurality of delay lines delay audio...
5233661 Sound field variable apparatus  
A sound field is generated responsive to direct sound picked up by a direct-sound collecting microphone and indirect-sound picked up by an indirect-sound collecting microphone. Respective...
5223657 Musical tone generating device with simulation of harmonics technique of a stringed instrument  
A musical tone generating device is capable of simulating various special playing techniques for a stringed instrument in which the harmonic spectrums of produced sound is enhanced, or otherwise...
5216718 Method and apparatus for processing audio signals  
A method and an apparatus for processing audio signals with a directional emphasis by providing other channels besides the left and the right channels. An audio signal processing apparatus is...
5201005 Sound field compensating apparatus  
A sound field compensating apparatus is provided in which delay data produced by one of the delay means in a FIR filter, which is realized by the action of a DSP, is commonly used for producing a...
5197099 Multiple-channel audio reproduction apparatus  
A multiple-channel audio reproduction apparatus has an audio demodulator for demodulating an input signal to produce audio signals for multiple channels. One or more signal-processing circuits...
5195141 Digital audio equalizer  
There is disclosed a digital audio equalizer comprising an analog/digital (A/D) converter for converting an analog audio signal into a digital audio data, a digital interface receiver for...
5195140 Acoustic signal processing apparatus  
An acoustic signal processing apparatus comprising infinite impulse response type digital filters and phase control device. The filters receive an acoustic signal. Outputs from the filters are...
5187692 Acoustic transfer function simulating method and simulator using the same  
A plurality of acoustic transfer functions for a plurality of sets of different positions of a loudspeaker and a microphone in an acoustic system are measured by an acoustic transfer function...
5172415 Surround processor  
A surround processor includes a time constant processing circuit for smoothing directional information signals from a detector with continuously variable time constants in order to generate one or...
5166464 Electronic musical instrument having a reverberation  
Either the frequency of phase of an original musical sound signal is modulated, the musical sound signal is weighted, a reverberation effect is added thereto and the thus modified signal is added...
5161196 Apparatus and method for reducing motion sickness  
An artificial horizon of sound is maintained in an enclosure which is irregularly moving in a manner which may induce motion sickness of its occupant(s), by positioning sound emitters in spaced...
5146507 Audio reproduction characteristics control device  
An audio reproduction characteristic control device reproduces various sound fields by producing reflected sounds of a reproduced source signal. Frequency response characteristic correction...
5144673 Reflection sound compression apparatus  
A reflection sound compression apparatus extracts and compresses, most appropriately with a physical evaluation value, an impulse response of a hall, etc. which is obtained by calculation and...
5142586 Electro-acoustical system  
A method and acoustical system for processing sound signals according to the principles of the acoustic holography of sound wave field extrapolation.
5131051 Method and apparatus for controlling the sound field in auditoriums  
A system for controlling the second field in auditorium having the feature that stage and audience seating areas are different acoustically, which includes a first assisted acoustics system whereby...
5128999 Sound field correcting apparatus  
There is disclosed a sound field correcting apparatus for adding indirect sound signals to audio signals from a decoder when a steering emphasis operation is not executed in a decoder and for...
5129004 Automotive multi-speaker audio system with different timing reproduction of audio sound  
An automotive audio system separates audio signals from an audio signal source into first and second components. The first component of the audio signal is sent directly to a first main amplifier...
5123051 Sound field reproducing apparatus  
A sound field reproduction apparatus comprises a reflectional sound signal generating circuits for generating quasi-reflectional sound signals by summing a plurality of delay signals obtained by...
5123050 Sound field control system  
In the process of forming the effect sound for reproducing a sound field, a down-sampling part for reducing the sampling frequency of the digital signal is disposed before the step of the digital...
5119420 Device for correcting a sound field in a narrow space  
A sound field correcting device provides for a natural acoustic localization of the outputs of right and left channels of an acoustic sound source. At least one of right and left channel audio...
5119428 Electro-acoustic system  
Electro-acoustic system for improving the acoustic of a predetermined room, said system comprising a microphone array having a plurality of microphones and a loudspeaker array having a plurality of...
5111530 Digital audio signal generating apparatus  
A digital audio signal generating apparatus suitable for the application to electronic musical instruments, sound effect generators for amusement machines and the like. This digital audio signal...
5109419 Electroacoustic system  
An electroacoustic system for acoustic enhancement of a room that includes a sound source location. The electroacoustic system includes a microphone spaced from the sound source location, an array...
5091951 Audio signal data processing system  
An audio signal data processing system includes first and second processing devices for processing audio signal data, the first and second processing device having input and output ports of at...
5083311 Sound field producing apparatus  
An apparatus for producing an improved sound field in an acoustic space. The apparatus comprises a signal source for producing a source signal. The source signal is applied to a loudspeaker for...
5073942 Sound field control apparatus  
A sound field switcher inputs an output sound field signal from a sound field producer. The inputted sound field signal is delayed sequentially by plural delayers, after which they are multiplied...
5060270 Reverberation circuit  
A reverberation circuit comprises an amplifier, attenuation circuit, a feedback component, and a delay circuit. The amplifier, delay circuit, and feedback component form a feedback loop. The...
5050216 Effector for electronic musical instrument  
An input waveform signal is converted in an A/D converter into a digital signal to be written in a waveform memory under control of a tone generation control unit. The written digital signal is...
5040220 Control circuit for controlling reproduced tone characteristics  
A control circuit for controlling reproduced tone characteristics capable of prestoring sound field characteristics to be imparted to a reproduced tone and frequency characteristics of the...
5040219 Sound reproducing apparatus  
A sound reproducing apparatus is capable of reproducing a stereo or a voice signal and adding thereto effect sounds, such as an initial reflected sound, and reechoed sound during the reproducing....
5027689 Musical tone generating apparatus  
A musical tone generating apparatus includes a position information generating device to generate musical instrument position information (PS) as plane coordinates values. This information (PS) is...
5025472 Reverberation imparting device  
A reverberation imparting device for electro-acoustically enhancing reverberation in acoustic space comprises a microphone disposed in the acoustic space, a loudspeaker disposed in the acoustic...
5023913 Apparatus for changing a sound field  
An apparatus for changing a sound field, comprising at least two signal processing means, which can smoothly and continuously switch a sound field into an arbitrary sound field without a break of...
5000074 Effect imparting device for an electronic musical instrument or the like apparatus  
A variable delay circuit for delaying an input signal and being capable of changing length of this delay is provided and various modulation effects are imparted by this delay. When change in the...
4998281 Effect addition apparatus  
Each time sampling clock CK is input, a controller controls respective circuits, and performs various arithmetic operations of data stored in tone color parameter memories, and time-divisionally...
4984276 Digital signal processing using waveguide networks  
Disclosed is a signal processor formed using digital waveguide networks. The digital waveguide networks have signal scattering junctions. A junction connects two waveguide sections together or...
4980914 Sound field correction system  
A sound field correcting system for correcting for mulitpath frequency-characteristic distortion in an acoustic reproducing system. In one embodiment, the level and delay of an original signal are...
4955057 Reverb generator  
A reverb generator comprises a delay circuit for delaying an input audio signal, a feed back path connecting an output port of the delay circuit to its input port, and a phase shifter connected in...
4953219 Stereo signal reproducing system using reverb unit  
A system for reproducing stereophonic sound signals to create an appropriate audio sound ambience in various compartments having different reverberation characteristics. The system includes a...
4947723 Tone signal generation device having a tone sampling function  
A tone signal applied from outside is sampled by a tone sampling device and the sampled waveshape data is written into a memory. During this writing operation and in parallel with the writing...
4937875 Audio signal processing apparatus  
An audio signal processing apparatus for digitally processing input audio signals according to the contents of a program for creating a given sound field. A basic program for creating a specific...
4873722 Multi-channel reproducing system  
A multi-channel reproducing system comprises main speakers for sounding an input audio signal as a main channel audio signal, a phase shifter supplied with the input audio signal for shifting a...
4817149 Three-dimensional auditory display apparatus and method utilizing enhanced bionic emulation of human binaural sound localization  
An artificial, three dimensional auditory display which artificially imparts localization cues to a multifrequency component electronic signal which corresponds to a sound source. The cues imparted...
4803731 Reverbation imparting device  
A reverberation imparting device comprises a delay memory storing input signal data at a predetermined sampling period and producing a delay signal corresponding to time interval between writing of...
4778027 Rhythmizer  
A reverberating platform structure usable as an exercise floor or, depending upon the configuration thereof, for the support of people or objects thereon wherein the platform is supported by an...
4731835 Reverberation tone generating apparatus  
In a reverberation tone generating apparatus a digital memory device is used as a delay element. Amplitude data obtained by sampling an input musical tone at a predetermined period are sequentially...
Matches 151 - 200 out of 301 < 1 2 3 4 5 6 7 >