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Show new changes starting from 21:37, 21 May 2012

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17 May 2012

• (diff | hist) . . m Namco 163 audio‎; 12:27 . . (+33) . . Rainwarrior (Talk | contribs)‎ (→Channel Update: low-pass filter isn't required (the ear simply ignores ultrasonic frequency), and actually rather cheap TVs often have strong high frequency response)
• (diff | hist) . . Namco 163 audio‎; 12:21 . . (+4) . . Rainwarrior (Talk | contribs)‎ (→Channel Update: a low pass filter isn't necessarily required )
• (diff | hist) . . m MMC5 audio‎; 09:53 . . (0) . . Tepples (Talk | contribs)‎ (supersonic means faster than sound propagation in air; ultrasonic means higher frequency than humans can hear)
• (diff | hist) . . m Namco 163 audio‎; 09:50 . . (-272) . . Tepples (Talk | contribs)‎ (Turned out that what I'd written in the lead duplicated what was in Channel Update. Reorganizing.)
• (diff | hist) . . Namco 163 audio‎; 09:45 . . (+351) . . Tepples (Talk | contribs)‎ (Why 6 channels are special)

16 May 2012

• (diff | hist) . . MMC5 audio‎; 18:22 . . (+139) . . Rainwarrior (Talk | contribs)‎ (→Pulse 1 ($5000-$5003): note on sweep unit and silencing)
• (diff | hist) . . m VRC7 audio‎; 14:24 . . (+16) . . Rainwarrior (Talk | contribs)‎ (→Channels: )
• (diff | hist) . . VRC7 audio‎; 14:16 . . (+81) . . Rainwarrior (Talk | contribs)‎ (→Channels: note about trigger bit (writing 1 does not always retrigger), noting output is serial, revising relationship to NES CPU rate (it is double, to within the accuracy of a quartz oscillator; 1/10 Hz is too fine for the given accuracy))
• (diff | hist) . . m VRC7 audio‎; 11:34 . . (+23) . . Rainwarrior (Talk | contribs)‎ (→Register Write Delay: )
• (diff | hist) . . VRC7 audio‎; 10:39 . . (+339) . . Rainwarrior (Talk | contribs)‎ (→Registers: example delay code from Lagrange Point)
• (diff | hist) . . VRC7 audio‎; 07:13 . . (+72) . . Tepples (Talk | contribs)‎ (→Channels: Twice M2)
• (diff | hist) . . VRC7 audio‎; 00:03 . . (+214) . . Rainwarrior (Talk | contribs)‎ (→Channels: more accurate update frequency)

15 May 2012

• (diff | hist) . . VRC7 audio‎; 22:40 . . (-1) . . Rainwarrior (Talk | contribs)‎ (→Internal patch set: much better patch set)
• (diff | hist) . . m VRC7 audio‎; 20:51 . . (+6) . . Rainwarrior (Talk | contribs)‎ (→Audio Register Select ($9010))
• (diff | hist) . . VRC7 audio‎; 20:33 . . (-36) . . Rainwarrior (Talk | contribs)‎ (→Registers: found the address/write timings in the OPLL datasheet, will test them more thoroughly later)
• (diff | hist) . . VRC7 audio‎; 19:34 . . (+49) . . Tepples (Talk | contribs)‎ (→Custom Patch: half-wave rectified explained)
• (diff | hist) . . VRC7 audio‎; 19:13 . . (+17) . . Rainwarrior (Talk | contribs)‎ (→Custom Patch: waveform is sine or half-wave rectified sine, not abs(sin))
• (diff | hist) . . VRC7 audio‎; 19:00 . . (+481) . . Rainwarrior (Talk | contribs)‎ (→Registers: delay is required between writes)