Apparatus and method for artificially reproducing at will sounds from unique sources专利检索-音素信号处理专利检索查询-专利查询网

Apparatus and method for artificially reproducing at will sounds from unique sources

阅读：405发布：2023-02-03

专利汇可以提供Apparatus and method for artificially reproducing at will sounds from unique sources专利检索，专利查询，专利分析的服务。并且There are disclosed apparatus and methods for reproducing sounds, such as musical notes, tones and chords, words, voice phonemes or the like, by recording sounds or notes from actual sources and which, upon command, can be instantaneously retrieved for reproduction in any desired sequence and tempo. In accordance with the invention, instantaneous retrieval is accomplished by establishing a predetermined finite initial portion of each recorded note or sound within which the retrieval process can be begun without deleterious loss of fidelity, thereby obviating the costly and in some cases unachievable process of having each commanded sound begin at the precise beginning of the sound track.，下面是Apparatus and method for artificially reproducing at will sounds from unique sources专利的具体信息内容。

权利要求

1. In a method for reproducing instantaneously on command recorded sound generated by a unique source including musical notes, vocal phonemes, words and the like, in which the recorded sound envelope highest frequency, as represented by fh, is low as compared to the recorded sound carrier fundamental frequency ff, the steps of commanding the pickup of the desired sound, picking up a signal representing the recorded sound substantially instantaneously by beginning at any random point in the record within the range from the actual beginning of the sound to a subsequent point substantially proximate to an interval defined by the expression 1/fh where fh is the highest frequency component in the frequency spectrum in the recorded sound envelope, and converting the signal to an audible sound.

2. The method of creating compositions of sound such as musical compositions, human speech and the like, comprising the steps of establishing a reproducible record of each of the component parts of the sound composition in the form of notes or phonemes from a true source in which the character of each sound varies with time and has an envelope rate which is slow as compared to the carrier rate, selecting desired sounds by substantially instantaneously beginning reproduction of the selected sounds at any random point within a range from the precise beginning of the record for a distance corresponding substantially to 1/fh, where fh is the highest frequency component in the recorded sound envelope.

3. The method of creating compositions of sound such as musical compositions, human speech and the like, comprising the steps of establishing a reproducible record of each of the component parts of the sound composition in the form of notes or phonemes from a true source in which the character of each sound varies with time and has an envelope rate which is slow as compared to the carrier rate, continuously scanning each record from beginning to end at a plurality of points spaced apart along its length by a predetermined distance corresponding substantially to 1/fh where fh is the highest frequency component in the recorded sound envelope, commanding the desired sequences and combinations of sounds at desired rates, and instantaneously selecting in response to any command the scanning point which is closest to the beginning of the selected sound in a direction opposite to the direction of scanning to derive signals representative of the sound, and converting the signals to audible sound.

4. Apparatus for recreating sound compositions from recorded sound components, comprising, record means carrying discrete data representative of individual sounds from true sources, command means to initiate reproduction of any desired sound or combination of sounds from the record, scanning means instantaneously responsive to the command means to pick up signals from the record beginning randomly at any point from the precise beginning of the recorded sound to a later point which is substantially defined by the expression 1/fh where fh is the highest frequency component of the envelope rate of the recorded sound.

5. Apparatus as set forth in claim 4, said scanning means including a plurality of scanners related to the record means to afford output signals which correspond to spaced apart points in the original sound, with the spacing being not substantially in excess of a distance representing the envelope rate.

6. Apparatus as set forth in claim 5, said scanning means being responsive to the command means to derive signals from the scanner which is closest to the beginning of the recorded sound in a direction opposite to the direction of scan.

7. Apparatus as set forth in claim 6, the record means for the recorded sound components comprising a single sound track for each component, said plurality of scanners being spaced apart along the sound track.

8. Apparatus as set forth in claim 6, said record means being circular.

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Apparatus and method for artificially reproducing at will sounds from unique sources

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