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US 4,966,051 AGranted
Effect tone generating apparatus
AssigneeCasio Computer Co., Ltd.
InventorYouichiro Tajima
Life of this patent
Estimating the term…
Abstract
An effect tone generating apparatus can generate an effect tone of an appropriate pattern such as the murmur of a brook or songs of birds, at an arbitrary timing with a simple operation. Since the tone volume of an effect tone can be gradually increased or decreased and the tone volume can be independently controlled in units of channels using a plurality of channels, the audible impressions created by the effect tones can be improved.
Claims22
An effect tone generating apparatus, comprising:
- waveform generating means for generating a plurality of waveform data constituting an effect tone representing a scene;
- pattern generating means for generating at least first and second effect tone patterns indicating generation timings of the waveform data from said waveform generating means constituting the effect tone;
- manually operative means for manually selecting one of the first and the second effect tone patterns;
- and
- pattern selections means, for, when the second effect tone pattern is selected by said manually operative means during generation of an effect tone based on the first effect tone pattern output from the pattern generating means, starting generation of an effect tone based on the second effect tone pattern output from the pattern generating means, and for, when a pattern end of the second effect tone pattern is detected, restarting generation of the effect tone based on the first effect tone pattern.
2 more elements
An effect tone generating apparatus, comprising:
- waveform generating means for generating a plurality of waveform data constituting an effect tone representing a scene;
- pattern generating means for generating an effect tone pattern indicating a generation timing of the waveform data from said waveform generating means constituting the effect tone;
- manually operative means for manually starting generation of the effect tone pattern;
- and
- pattern control means for, when no effect tone is generated based on the effect tone pattern and said manually operative means is operated, starting generation of an effect tone based on the effect tone pattern output from the pattern generating means, and for, when a pattern end of the effect tone pattern is detected, stopping generation of the effect tone.
2 more elements
An effect tone generating apparatus, comprising:
- waveform generating means for generating a plurality of waveform data constituting an effect tone representing a scene;
- pattern generating means for generating an effect tone pattern indicating a generation timing of the waveform data from said waveform generating means;
- tone volume level control means for controlling a tone volume level of the effect tone generated based on the plurality of waveform data each output from said waveform generating means at the timings determined by said effect tone pattern;
- and
- designation means for designating a change mode of the tone volume level of said tone volume level control means.
2 more elements
An effect tone generating apparatus, comprising:
- waveform generating means for generating a plurality of waveform data constituting an effect tone representing a scene;
- pattern generating means for generating an effect tone pattern indicating a generation timing of the waveform data from said waveform generating means;
- digital envelope waveform generating means for generating an envelope waveform as digital data for controlling a tone volume level of the effect tone generated based on the plurality of waveform data each output from said waveform generating means at the timings determined by said effect tone pattern;
- and
- designation means for designating the envelope waveform of said envelope waveform generating means.
2 more elements
An effect tone generating apparatus, comprising:
- waveform generating means for generating a plurality of waveform data constituting an effect tone representing a scene;
- a plurality of tone field channels;
- envelope waveform generating means for generating a plurality of various envelope waveforms to be imparted on the waveform data for each of the plurality of tone field channels;
- and
- tone generation control means for generating an effect tone in which the various envelope waveforms are independently imparted on the waveform data for each of said plurality of tone field channels.
2 more elements
Dependencies are inferred from the claim text.