Pengenalan Dialing Tone Pesawat Telepon DTMF Berbasis Jaringan Syaraf Tiruan (JST)  

Oleh:

Elvayandri ; Rachmani, Mulia Siti ; Bayuaji, Gustinus ; Pandjaitan, Lanny W.

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI - atma jaya
Dalam koleksi: Metris: Jurnal Mesin, Elektro, Industri dan Sains vol. 6 no. 1 (Mar. 2005), page 1-9.
Topik: jst; JST; dialing tone; standard frequency; DTMF
Fulltext: hal 1-9.pdf (759.86KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM42 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The dialing tone of modern telephone uses frequency combination f1 and f2. All telephone set produced have standard frequencies. The a.m. table shows that each tone is formed by 2 frequencies for example the tone 1 combined by f1 = 697 hz and f2 = 1209 Hz, while tone 2 consist of f1 = 697 Hz and f2 = 1336 Hz. Although the telephone sets have the same frequencies f2 and f1, but the tone and color voice of each telephone set are not equally, due to the voice component is unlimited. This paper introduces dialing tone system recognition of DTMF Telephone set using f2 and f1 identification. Based on artificial neural networks. From the simulation result the system can be implemented to telephone tone appliance. The dialing tone system recognition can be developed for system using frequency signal such as ATM machine.

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