WO 95/03588
`
`PCT/US94/07612
`
`WHAT IS CLAIMED IS:
`
`-48-
`
`1.
`
`A method for controlling production of a
`
`virtual environment by a virtual reality computer
`
`system,
`
`including the steps of:
`
`5
`
`(a) processing music signals to generate control
`
`signals; and
`
`(b) operating the virtual reality computer
`
`system in response to the control signals to generate
`
`said virtual environment.
`
`10
`
`15
`
`The method of claim 1, wherein step (b)
`2.
`includes the step of:
`
`producing a graphic display of the virtual
`
`environment on a display device of a type coupled to
`
`a head of a human user which provides an immersive
`
`visual experience of said virtual environment to the
`user .
`
`3.
`The method of claim 2, wherein the graphic
`display is populated with at least one animated
`
`virtual object, where at least one characteristic of
`
`20
`
`the virtual object changes in response to at least
`
`one of the music signals.
`
`4.
`
`The method of claim 2, wherein the graphic
`
`display is a stereoscopic representation of a three-
`
`dimensional virtual environment.
`
`25
`
`I
`
`5.
`
`A method for controlling production of a
`
`virtual environment by a virtual reality computer
`
`system,
`
`including the steps of:
`
`(a) prerecording a control track corresponding
`
`to an audio signal; and
`
`30
`
`(b) operating the virtual reality computer
`
`system in response to said prerecorded control track
`
`to generate said virtual environment.
`
`Page 1 of 5
`
`‘
`SUBSTITUTE SHEET (RULE 26)
`Harmonix Exhibit 1015
`
`Page 1 of 5
`
`Harmonix Exhibit 1015
`
`

`
`WO 95/03588
`
`PCT/US94/07612
`
`-49-
`
`6.
`
`The method of claim 5, wherein step (b)
`
`includes the step of producing a graphic display of
`
`the virtual environment on a display device, and also
`
`including the steps of:
`
`5
`
`(c) supplying the audio signal to the virtual
`
`reality computer system; and
`
`(d) operating the virtual reality computer
`
`system in response to both said audio signal and said
`
`prerecorded control track to generate said virtual
`
`10
`
`environment.
`
`7.
`
`The method of claim 6, wherein step (c)
`
`includes the step of supplying the audio signal to
`
`the virtual reality computer system with a first
`
`delay relative to the prerecorded control track,
`
`15
`
`wherein the first delay is selected to enable
`
`generation of sounds in response to the audio signal
`
`in a manner so that the sounds have a desired time
`
`relationship to the graphic display.
`
`8.
`
`The method of claim 5, wherein step (a)
`
`20
`
`includes the step of automatically generating the
`
`control track by processing the audio signal.
`
`9.
`
`The method of claim 5, wherein step (a)
`
`includes the step of manually operating an input
`
`device to generate the control track.
`
`25
`
`10.
`
`A method for controlling a computer system,
`
`including the steps of:
`
`(a) prerecording a control track corresponding
`
`to an audio signal; and
`
`(b) operating the computer system in response to
`
`30
`
`said prerecorded control track.
`
`Page 2 of 5
`
`sussmurs sneer (RULE 25)
`
`Page 2 of 5
`
`

`
`W0 95/03588
`
`PCT/US94/07612
`
`..50_.
`
`11.
`
`The method of claim 10, also including the
`
`steps of:
`
`(c) supplying the audio signal to the computer
`
`system; and
`
`5
`
`(d) operating the computer system in response to
`
`both the audio signal and the prerecorded control
`
`track.
`
`12.
`
`A virtual reality computer system,
`
`including:
`
`10
`
`means for supplying a first signal selected from
`a group consisting of a control signal generated in
`
`‘.
`
`response to a music signal, a prerecorded control
`
`track corresponding to the music signal, and a
`
`control signal generated in response to the
`
`15
`
`prerecorded control track; and
`
`means for receiving the first signal and
`
`influencing action within a virtual environment in
`
`response to said first signal.
`
`13.
`
`The apparatus of claim 12, wherein the
`
`20
`
`means for supplying the first signal includes an
`
`analysis apparatus having means for receiving said
`
`music signal in digital or analog form, and
`processing said music signal to produce control
`
`information for modification of objects in the
`
`‘D
`
`25
`
`.
`
`virtual environment.
`
`14.
`
`The apparatus of claim 12, wherein said
`
`music signal is delayed in time to compensate for
`
`delays in other parts of the virtual reality computer
`
`system.
`
`30
`
`15.
`
`The apparatus of claim 12, wherein the
`
`means for supplying the first signal includes a music
`
`playing means for supplying said music signal.
`
`Page 3 of 5
`
`suesmurs sneer (RULE 26)
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`Page 3 of 5
`
`

`
`WO 95/03588
`
`PCT/US94/07612
`
`-51-
`
`16.
`
`A virtual reality computer system for
`
`«producing a virtual environment,
`
`including:
`
`means for prerecording a control track
`
`corresponding to a music signal; and
`
`5
`
`means for producing the virtual environment
`
`in
`
`response to said prerecorded control track.
`
`’
`
`10
`
`17.
`
`The system of claim 16, wherein the means
`
`for producing the virtual environment includes:
`a display device; and
`a means for producing a graphic display of the
`
`virtual environment on the display device.
`
`18.
`
`The system of claim 16, also including:
`
`means for supplying the music signal to the
`
`means for producing the virtual environment, and
`
`15
`
`wherein the means for producing the virtual
`
`environment includes means for producing said virtual
`environment in response to both said music signal and
`
`said prerecorded control track.
`
`" 20
`
`, 19. Apparatus as in claim 16, wherein said
`control track contains additional information to that
`which can be extracted from the music signal.
`
`20.
`
`The system of claim 16, wherein said
`
`control track is time shifted relative to the music
`
`signal to compensate for delays in said virtual
`
`25
`
`reality computer system.
`
`21, A virtual reality computer system,
`
`including:
`
`a source of a music signal; and
`
` Pa9,e4°*5
`
`
`
`suasrnunz SHEET (RULE 25)
`
`Page 4 of 5
`
`

`
`W0 95/03538
`
`PCTIUS94/07612
`
`-52-
`
`an apparatus for extracting information from the
`
`music signal for modification of objects in a virtual
`
`.environment.
`
`22.
`
`A computer system,
`
`including:
`
`5
`
`means for prerecording a control track
`
`corresponding to an audio signal; and
`
`a processor which receives the control track and
`
`which is programmed with software for operating the
`
`computer system in response to said control track.
`
`10
`
`23.
`
`The system of claim 22, also including:
`
`means for supplying the audio signal to the
`
`processor, and wherein the processor is programmed
`
`with software for operating the computer system in
`
`15
`
`response to both the audio signal and the control
`track.
`
` Page 5 °* 5
`
`suasnme SHEET (RULE 26)
`
`Page 5 of 5

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