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#1
Posted to rec.audio.tech
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Channels mirror image of each other
I had one collector record old songs from
78 RPM records to cassetts. While editing, I noticed that right channel was mirror image of left channel (upside down). In other words, when I look at the wave in wave editor, peak above axis in left channel would appear as peak below axis in right channel. What would cause that. Some previous recordings from him did not exihit this behavior. |
#2
Posted to rec.audio.tech
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Channels mirror image of each other
On Tue, 2 May 2006 08:28:33 -0400, "Bubba" wrote:
I had one collector record old songs from 78 RPM records to cassetts. While editing, I noticed that right channel was mirror image of left channel (upside down). In other words, when I look at the wave in wave editor, peak above axis in left channel would appear as peak below axis in right channel. What would cause that. Some previous recordings from him did not exihit this behavior. Did he actually use a mono cartridge? Or perhaps he used a 78 stylus in a stereo cartridge, and he has wired the channels out of phase. Easy to fix with your editor, whatever. d -- Pearce Consulting http://www.pearce.uk.com |
#3
Posted to rec.audio.tech
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Channels mirror image of each other
"Don Pearce" wrote in message ... On Tue, 2 May 2006 08:28:33 -0400, "Bubba" wrote: I had one collector record old songs from 78 RPM records to cassetts. While editing, I noticed that right channel was mirror image of left channel (upside down). In other words, when I look at the wave in wave editor, peak above axis in left channel would appear as peak below axis in right channel. What would cause that. Some previous recordings from him did not exihit this behavior. Did he actually use a mono cartridge? Or perhaps he used a 78 stylus in a stereo cartridge, and he has wired the channels out of phase. That's surely the case if he just got a new cartridge or headshell. Alternatively, would you get that effect if the record was recorded "hill and dale" rather than "side to side" and then subsequently played with a stereo cartridge? (Is it French, by any chance?) In any case, obviously you should invert one channel before combining them. |
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