Real-time mechanical detection of diphthongs for speech controlled phonetic typewriter专利检索-音素信号处理专利检索查询-专利查询网

Real-time mechanical detection of diphthongs for speech controlled phonetic typewriter

阅读：871发布：2023-02-05

专利汇可以提供Real-time mechanical detection of diphthongs for speech controlled phonetic typewriter专利检索，专利查询，专利分析的服务。并且An alternate and improved method and apparatus detecting and recognizing diphthongs by real-time mechanical means from spoken input. The improvement distinguishes diphthongs from other sounds including simple, single vowel sounds. The identification is rendered by means of transduced electrical signals each of which represents a distinctive diphthong relevant to subsequent written transcription by machine. The method herein is based upon measurement of the dynamical and signal frequency changing quantities found in the oral input during the frequency glides which characterize diphthongs; it does not identify the diphthongs only as paired phonemes.，下面是Real-time mechanical detection of diphthongs for speech controlled phonetic typewriter专利的具体信息内容。

权利要求

1. Real-time mechanical detection of diphthongs for talk-writer apparatus comprising: a microphone for accepting oral signals; a detection and analysis transducer module component receiving said oral signals, said component having a vowel detection unit (FIG. 7, Ser. No. 1,739) responsive to oral signals to provide detection and differentiation of single vowels from each other by ratio comparison of first and second formant peaks-to-total strength and deriving vowel signals therefrom; and scanning means for deriving (FIG. 2) second formant peak amplitude signals based upon analysis of the dynamical and signal frequency changing quantities found in said oral input during frequency glides thereof; said component having a diphthong transducer (FIG. 3) that combines the second formant peak amplitude signals of said scanning means with output of comparison means that provide measurement or comparison analysis of (1) signals indicating the starting value sound, and (2) signals indicating the rateof-change-of-signal strength thereof.

2. The invention of claim 1 wherein said scanning means includes a first peak voltmeter means for low, middle and high range of signals, an ON-OFF sweep synchronizing signal means applying signals to said first peak voltmeter means, a second peak voltmeter means responsive to the output signal of the low and middle range of said first peak voltmeter means, a third peak voltmeter means responsive to the output signal of the low and high range of said first peak voltmeter means, first comparator means responsive to the low range of the first peak voltmeter means and the third peak voltmeter means, and a second comparator means responsive to the output of the second and third peak voltmeter means.

3. The invention according to claim 1 wherein said scanning means deriving second formant peak amplitude signals is based upon measurement analysis.

4. The invention according to claim 1 wherein said scanning means deriving second formant peak amplitude signals is based upon comparison analysis.

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Real-time mechanical detection of diphthongs for speech controlled phonetic typewriter

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