H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/34
H04N 7/08 (2006.01) H04N 7/088 (2006.01)
Patent
CA 1199101
TITLE OF THE INVENTION A Music Information Transmission System ABSTRACT OF THE DISCLOSURE 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. In 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 system is useful for instance for playing background music in a teletext or a character transmission system multiplexed with a television signal.
418582
Arai Tomoji
Araki Yosai
Kimata Yoshihide
Nakagawa Koichi
Sugimori Yoshio
Borden Ladner Gervais Llp
Keio Electronic Laboratory Corporation
Nippon Television Network Corporation
Oki Electric Industry Co. Ltd.
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