BE374446A - - Google Patents

Info

Publication number
BE374446A
BE374446A BE374446DA BE374446A BE 374446 A BE374446 A BE 374446A BE 374446D A BE374446D A BE 374446DA BE 374446 A BE374446 A BE 374446A
Authority
BE
Belgium
Prior art keywords
sound
improving
resonator
december
present
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE374446A publication Critical patent/BE374446A/fr

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08Non-electric sound-amplifying devices, e.g. non-electric megaphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE374446D BE374446A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
BE374446A true BE374446A (cg-RX-API-DMAC7.html)

Family

ID=45215

Family Applications (1)

Application Number Title Priority Date Filing Date
BE374446D BE374446A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
BE (1) BE374446A (cg-RX-API-DMAC7.html)

Similar Documents

Publication Publication Date Title
WO2004019497A1 (ja) 信号符号化装置及び方法、並びに信号復号装置及び方法
US20120061174A1 (en) Acoustic system
JPWO2000039786A1 (ja) 音響効果装置、その方法及びプログラム記録媒体
WO2000039786A1 (fr) Procede et appareil de production d'effet sonore et support de stockage d'un programme
JP2004521574A (ja) 知覚的な低周波増強を備えた狭帯域音声信号伝送システム
JPH11249693A (ja) 収音装置
BE374446A (cg-RX-API-DMAC7.html)
JP2007164041A (ja) 帯域変換信号生成器及び帯域拡張装置
KR0131167B1 (ko) 음성합성 겸 대역제한회로 및 저음증강회로
Asahi et al. Audible sound enhancement based on carrier with periodic square-wave for parametric loudspeaker
FR2569077A1 (fr) Simulateur de resonateur de helmholtz
JP2014029406A (ja) 情報送信装置、情報送信プログラム、情報受信装置、情報受信プログラム、及び情報通信方法
US6414233B1 (en) Pick-up assembly for stringed musical instruments
JP2007333757A (ja) 楽器
JP2007334273A (ja) オーバー・ドライブ・ボックス
Zakharchuk History of Strings with Horns: A Study Overview
CN109951778A (zh) 全频扬声器与扬声器在箱体的对冲安装
FR2759480A1 (fr) Le tabouret acoustique
BE375964A (cg-RX-API-DMAC7.html)
BE1007113A7 (fr) Haut parleur a membrane asymetrique.
AU762666B2 (en) Resonating diaphragms with different frequencies
Chasin Music and the problem with hearing aids
JP2000020098A (ja) 音声処理装置
KR200196456Y1 (ko) 전기해금
KR200307388Y1 (ko) 도촬기 및 도청기 탐지기