Dual-purpose machine for receiving digital audio-broadcast below 30MHz and playing digital music
A digital audio broadcasting and digital audio technology, applied in the parts and electrical components of TVs and color TVs, can solve the problem of not being able to receive and listen to digital audio broadcasting, and achieve the effect of reducing costs and practical and fast application methods.
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example 1
[0028] Example 1 Dual-purpose machine for receiving digital audio broadcasting and playing digital music with a frequency below 30MHz
[0029] The circuit of this machine is composed as follows: there are tuners connected in sequence, ADC analog-to-digital converter, and digital broadcast decoder. The digital converter and the DAC digital-to-analog converter are connected, and the output terminals of the DAC digital-to-analog converter are respectively connected with a loudspeaker and an earphone. in:
[0030] Tuner, using Atmel T4260BM
[0031] ADC analog-to-digital converter, using Wolfson WM8731
[0032] Digital Radio Decoder with RadioScape RS500
[0033] Microprocessor CPU, using Samsung S3c2410
[0034] Digital music memory, using MT46V16M16
[0035] Digital music decoder, using (hardware integrated circuit) ATJ2085
[0036] DAC digital-to-analog converter, using Wolfson WM8731
[0037] Speaker, using 8 ohm speaker
[0038] Headphones, using Sennheiser MX500.
example 2
[0039] Example 2 Dual-purpose machine for receiving digital audio broadcasting and playing digital music with a frequency below 30MHz
[0040] The circuit of this machine is composed as follows: there are tuners connected in sequence, ADC analog-to-digital converter, and digital broadcast decoder. The digital converter and the DAC digital-to-analog converter are connected, and the output terminals of the DAC digital-to-analog converter are respectively connected with a loudspeaker and an earphone. in:
[0041] Tuner, using Atmel T4260BM
[0042] ADC analog-to-digital converter, using Wolfson WM8731
[0043] Digital Radio Decoder with RadioScape RS500
[0044] Microprocessor CPU, using Samsung S3c2410
[0045] Digital music memory, using MT46V16M16
[0046] Digital music decoder using (software program) MAD: MPEG Audio Decoder
[0047] DAC digital-to-analog converter, using Wolfson WM8731
[0048] Speaker, using 8 ohm speaker
[0049] Headphones, using Sennheiser MX500....
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