Music information transmission system

Details Music information transmission system Music information transmission system

1982-12-20

1985-08-13

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358142, 358147, 84115, 84DIG6, H04N 704, H04N 708

Patent

active

045353565

ABSTRACT:
A music information transmission system in which a music symbol on a music sheet is quantized into a digital signal by inputting that music symbol by using a key board. The digital signal is assembled into a packet, which is multiplexed on a blanking period of a television signal, and is transmitted over the air. At a reception side, the packet is separated from a picture signal, and is stored in a memory. A music player reads out the memory, and decodes the digital signal in the memory. The decoded signal operates the music player to play music. Thus, music information may be transmitted in a very narrow frequency band as compared with a conventional PCM system which quantizes an analog sound signal into a digital signal. The present invention is useful for instance for playing background music in a teletext or a character transmission system multiplexed with a television signal.

REFERENCES:
patent: 4023456 (1977-05-01), Groeschel
patent: 4215343 (1980-07-01), Ejiri et al.
patent: 4253115 (1981-02-01), Kergosien et al.
patent: 4399731 (1983-08-01), Aoki
patent: 4416182 (1983-11-01), Wise et al.
patent: 4419920 (1983-12-01), Ohe

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