loud speaker
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2020 ◽  
Vol 309 ◽  
pp. 112018
Author(s):  
Haoran Wang ◽  
Zhenfang Chen ◽  
Huikai Xie

2020 ◽  
Vol 1 (1) ◽  
pp. 59-76
Author(s):  
Elmania Alamsyah ◽  
D. Fajar Ahwa

Pembelajaran Pendidikan Agama Islam atau sering disingkat dengan PAI kurang diminati oleh peserta didik. Hal ini terbukti dengan kurangnya respon semangat ketika pembelajaran PAI dimulai, pasif, kurangnya rasa responsif pada pembelajaran. Hal ini disebabkan oleh kurangnya tenaga pengajar yang kompeten, mengajar dengan pemaksaan serta kurangnya waktu pada Pembelajaran. Untuk itu dengan menggunakan metode yang menyenangkan atau joyfull learning diperlukan dalam mengatasi permasalah tersebut. Data ini relasinya dengan judul “Implementasi Metode Joyfull Learning Pada Pembelajaran Pendidikan Agama Islam Di Sekolah Menengah Pertama Alam Banyuwangi Islamic School.” Metode Penelitian ini menggunakan penelitian kualitatif, dengan menggunakan teknik pengambilan sampel purposive sampling. Jenis pendekatan menggunakan narative research (penelitian naratif). Metode pengumpulan data menggunakan observasi, wawancara dan studi dokumentasi. Analisis data model  Miles Huberman yang meliputi: kondensasi data, penyajian data, verifikasi dan kesimpulan. Keabsahan data menggunakan triangualasi teknik dan sumber. Penelitian ini memperoleh kesimpulan (1) Implementasi metode joyfull learning pada pembelajaran PAI adalah dengan cara menerapkan outbound and moving class, outdoor class, mind mapping, pelatihan (training of trainer), game pelajaran disertai dengan iringan musik melalui pengeras suara loud speaker, disamping itu juga menerapkan hafalan dengan super memory rumus. (2) Faktor pendukung implementasi metode joyfull learning pada pembelajaran PAI di SMP Alam BIS adalah motivasi semangat dari peserta didik untuk belajar, sedangkan faktor penghambatnya adalah kurangnya kreativitas pendidik  menerapkan permainan dalam mengajar menggunakan metode joyfull learning. Kata Kunci: joyfull learning, pembelajaran pendidikan agama Islam, sekolah menengah pertama Islamic Religious Education or often abbreviated as PAI is less desirable by students. This is evidenced by the lack of enthusiasm response when PAI learning begins, passive, lack of responsiveness to learning. This is due to the lack of competent teaching staff, coercive teaching and lack of time in learning. For this reason, using a fun method or joyfull learning is needed to overcome these problems. This data is related to the title "Implementation of Joyfull Learning Methods in Learning Islamic Religious Education in Alam Banyuwangi Islamic Middle School." This research method uses qualitative research, using purposive sampling technique. This type of approach uses narrative research. Data collection methods use observation, interviews and documentation studies. Analysis of Miles Huberman model data which includes: data condensation, data presentation, verification and conclusions. Data validity uses triangualation techniques and sources. This study obtained conclusions (1) The implementation of the joyfull learning method in PAI learning is by implementing outbound and moving classes, outdoor classes, mind mapping, training (training of trainers), game lessons accompanied by musical accompaniment through loud speaker, besides it also applies rote memorization to the super memory formula. (2) The supporting factor of the implementation of the joyfull learning method in PAI learning at SMP Alam BIS namely is leass motivation of the students to learn, while the inhibiting factor is the lack of creativity of the educator applying the game in teaching using the joyfull learning method.


Author(s):  
RUSTAMAJI RUSTAMAJI ◽  
PAULINE RAHMIATI ◽  
SARAH PERMATASARI

ABSTRAKKetika suatu pesawat terbang mengalami kecelakaan terjatuh ke dalam air, maka lokasi keberadaannya dapat dideteksi oleh alat yang disebut receiver beacon black box locator acoustic (pingers receiver). Pingers receiver berfungsi untuk menerima sinyal dengan frekuensi 37,5 kHz ± 1 kHz dari pingers transmitter atau Underwater Locator Beacon (ULB) yang berada pada black box pesawat. Dalam penelitian ini dibuat perancangan pingers receiver yang tersusun dari rangkaian Band Pass Filter (BPF), detektor selubung, penguat audio, dan loud speaker. Frekuensi sinyal 37,5 kHz ± 1 kHz yang dikirim oleh pingers transmitter akan diterima oleh pingers receiver, dimana tahap pertama melewati rangkaian Band Pass Filter (BPF) selanjutnya sinyal akan dideteksi oleh detektor selubung untuk mengambil kembali sinyal informasi yang berupa sinyal pulsa dengan lebar pulsa 10 milidetik dan interval 1 detik sebagai sinyal pingers yang nantinya mampu didengar oleh telinga manusia. Berdasarkan perancangan yang telah dibuat, output sinyal yang dihasilkan oleh prototipe pingers receiver tersebut memiliki lebar pulsa 14 milidetik dengan interval 1 detik. Kata kunci: pingers receiver, band pass filter (BPF), detektor selubung, loud speaker.ABSTRACTWhen an aircraft caught in an accident and crashes into the water, its location can be detected using a device called a receiver beacon black box locator acoustic (pingers receiver). The pingers receiver functioned as a reciever signal with 37,5 kHz ± 1 kHz frequency from trnasmitter pingers or Underwater Locator Beacon (ULB) which is on air plane black blox. In this research made design pingers receiver composed of a series of  Band Pass Filter (BPF), envelope detector, audio amplifier, and loud speaker. The signal of 37,5 kHz ± 1 kHz  frequency sent by pingers transmitter will bereceived by pingers receiver, after which the signal will be processed by the Band Pass Filter (BPF) circuit before being detected by envelope detector for take back the signal information which like pulse signal with 10ms width and 1 second interval as pingers signal tha can  be to  be heard by human ear. Based on the  design that  was made, the signal ouput generated by the prototype has a 14 ms width with 1 second interval. Keywords: pingers receiver, band pass filter (BPF), envelope detector, loud speaker.


2017 ◽  
Vol 2 (2) ◽  
pp. 274
Author(s):  
Kustini Kustini ◽  
Zainal Abidin Eko Putro

During the last four months of the year 2016 in Jakarta in concomitant with the campaign period for 2017 governor election, the supposed hate speeches phenomenon sparkled everywhere either openly uttered or written expressed in social media as well as flyers spreading out in any places of the city. It seems that Muslim population of Jakarta was partly doing such hate speeches against incumbent Governor, a Chinese and a Christian, Basuki Tjahaja Purnama (Ahok), and his Muslim supporters. It is interesting to know how it happened in eastern Indonesia where Muslim is the minority. This qualitative research wants to elaborate and to explore to what extent the Islamic preaching deals with hate speech phenomenon in Kupang city. In order to reach data the researcher applied some methods such as in-depth interview, observation and literature study. In essence, Islamic proselytizing or dakwah in Kupang, East Nusa Tenggara, has been still persisted today. It targets solely for Muslim. Islamic proselytizing for non-Muslim is impossible because they are minority in this city. Technically, religious teaching doesn’t use loud speaker machine except for prayer callings (azan and iqamat)), Dakwah activist in Kupang usually tries to hinder the possibility of hate speech possibly sounded by Muslim clerics. In addition, there is a local mechanism run by mosque management for not being tolerance to hate speech through a set of guidance. Then, the issued guidance is sent to the invited preacher several days before to help preacher avoiding of hate speech.


Author(s):  
Cornelia Epping-Jäger ◽  
Caroline Bem

This article examines the mechanisms through which acoustic-political power was claimed in the era of National Socialism. It shows that the “loud speaker” as a technical medium, framed as an extensively communicative apparatus, was constitutive for National Socialism’s political culture. Different operative scenarios of the loudspeaker are analyzed with regard to new forms of spatial-acoustic development. As a result, the article brings to light the temporal re-structuring by which the technically and medially performed voices of National Socialist speakers, and Hitler in particular, were established.


2008 ◽  
Vol 124 (2) ◽  
pp. 700
Author(s):  
Ryo Kuribayashi ◽  
Shinsaku Sawa
Keyword(s):  

Author(s):  
Taehyun Shim

A loud speaker has been widely used as a major actuator in the field of active noise control (ANC). In this paper, the design procedures for a non-ported conventional speaker that must meet restrictive size constraint as well as required sound pressure level at a targeted frequency for an acoustic control was presented. Dynamic model of a speaker that includes linear and nonlinear effects such as radiation resistance on speaker damping, voice coil electrical resistance has been developed and its responses were compared to measured data. The effects of speaker design parameter variations on a sound pressure and power consumption were also assessed experimentally and through simulation. It was found that the simulation results are well collated with experimental data and the desired objective has been met.


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