JPS58170698U - Noise prevention circuit in speech recognition equipment - Google Patents

Noise prevention circuit in speech recognition equipment

Info

Publication number
JPS58170698U
JPS58170698U JP1982066699U JP6669982U JPS58170698U JP S58170698 U JPS58170698 U JP S58170698U JP 1982066699 U JP1982066699 U JP 1982066699U JP 6669982 U JP6669982 U JP 6669982U JP S58170698 U JPS58170698 U JP S58170698U
Authority
JP
Japan
Prior art keywords
speech recognition
prevention circuit
recognition equipment
noise
noise prevention
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1982066699U
Other languages
Japanese (ja)
Other versions
JPS6326879Y2 (en
Inventor
二ノ宮　正生
Original Assignee
カシオ計算機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by カシオ計算機株式会社 filed Critical カシオ計算機株式会社
Priority to JP1982066699U priority Critical patent/JPS58170698U/en
Publication of JPS58170698U publication Critical patent/JPS58170698U/en
Application granted granted Critical
Publication of JPS6326879Y2 publication Critical patent/JPS6326879Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、従来例に係る音声認識装置の有音無音の判定
結果を示す図、第２図、第３図は、この考案の一実施例
を示し、第２図は音声認識装置の要部を示す回路構成図
、第３図は、入力音声波形のレベル変化に伴って変遷す
るＤ−ＦＦ４〜６の出力信号Ｒ８−Ｒ２、Ｘの内容を示
す図である。 １・・・・・・特微量計算部、′２・・・・・・コンパ
レータ、３・・・・・・ストレッシュホールドレベル発
生部ツ〜６・・・・・・Ｄ−ＦＦ、ｆ３・１２・・・・
・・アンドゲート、１３・・・・・・ＪＫ−ＦＦ０FIG. 1 is a diagram showing the utterance/silence determination results of a conventional speech recognition device, FIGS. 2 and 3 show an embodiment of this invention, and FIG. 2 shows the main points of the speech recognition device. FIG. 3 is a diagram showing the contents of the output signals R8-R2, 1...Feature quantity calculation section, '2...Comparator, 3...Streshhold level generation section~6...D-FF, f3. 12...
...and gate, 13...JK-FF0

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力音声に基づき算出され音声性微量を裏わす−パワー
と予め設矩された基準値との大小比較を行なう比較手段
と、該比較手段での比較結果を一時記憶し上記パワーが
上記基準値よりも所定時間に亘って大であるか否かを検
出する検出手段とを具備し、上記検出手段の検出結果に
基づいて上記入力音声に対する有音無音を判別すること
によりノイズを防止することを特徴とする音声認識装置
におけるノイズ防止回路。Comparing means for comparing the magnitude of the power calculated based on the input voice and confirming the slight amount of vocality with a preset reference value; and a comparison means for temporarily storing the comparison result by the comparing means and determining whether the power is greater than the reference value. and detecting means for detecting whether or not the noise is loud over a predetermined period of time, and the noise is prevented by determining utterance or silence with respect to the input voice based on the detection result of the detection means. Noise prevention circuit for speech recognition equipment.
JP1982066699U 1982-05-10 1982-05-10 Noise prevention circuit in speech recognition equipment Granted JPS58170698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982066699U JPS58170698U (en) 1982-05-10 1982-05-10 Noise prevention circuit in speech recognition equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982066699U JPS58170698U (en) 1982-05-10 1982-05-10 Noise prevention circuit in speech recognition equipment

Publications (2)

Publication Number Publication Date
JPS58170698U true JPS58170698U (en) 1983-11-14
JPS6326879Y2 JPS6326879Y2 (en) 1988-07-20

Family

ID=30076561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982066699U Granted JPS58170698U (en) 1982-05-10 1982-05-10 Noise prevention circuit in speech recognition equipment

Country Status (1)

Country Link
JP (1) JPS58170698U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267598A (en) * 1985-09-20 1987-03-27 株式会社リコー Voice section detection system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104399A (en) * 1980-01-23 1981-08-20 Hitachi Ltd Voice interval detection system
JPS56135898A (en) * 1980-03-26 1981-10-23 Sanyo Electric Co Voice recognition device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104399A (en) * 1980-01-23 1981-08-20 Hitachi Ltd Voice interval detection system
JPS56135898A (en) * 1980-03-26 1981-10-23 Sanyo Electric Co Voice recognition device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267598A (en) * 1985-09-20 1987-03-27 株式会社リコー Voice section detection system

Also Published As

Publication number Publication date
JPS6326879Y2 (en) 1988-07-20

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