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Rockbox mail archiveSubject: Re: ROLO automatically after *Panic?Re: ROLO automatically after *Panic?
From: LoveLearn <LoveLearn_at_iw.net>
Date: Wed, 08 Oct 2003 22:20:15 -0500 Linus correctly guessed that I haven't yet made long recordings with my ARJ 20 recorder/player. He asked, "Have you ever tried to record with Rockbox?" No I haven't made any long recordings. I made a couple short test recordings with the built-in microphone, but they were so short that I didn't notice hard drive cycling. I'll be making 4-hour long AM time shifting recordings after my missing audio connector cable reappears or I buy a replacement. Responses indicate that longer recording sessions cycle the hard drive as the buffer is repeatedly filled and transferred. So recording average power consumption is probably equivelant to playback power consumption. That's good news for those like me who didn't know they are equivelant. Am I correct in thinking that recording at the highest bit rate per second consumes power faster than recording at the lowest bit rate per second? The higher the "quality" or bit rate per second, the more frequently the hard drive must power up to accept transfer from the fixed size buffer block. So replacing the stock 2 meg buffer memory chips with 8 meg chips reduces power consumption during recording just as it does during playback? Linus continued saying, "You seem to assume that everybody has problems with long recordings." Notes in the archive and bug reports seemed to indicate that we can't safely assume that recordings will continue until either available disk space or available battery power is exhausted. I suspect others reading those reports may have gotten the same impression. Responses to my note will explain in the archive that long recording session troubles are exceptions rather than the rule. Martin's report of successful 24 - 72 hour recording sessions is comforting. I'll have to read more about "the time split feature" and "the panic error" that Dave mentioned. Roughly 20 years ago I used a VHS Hi Fi tape recorder to make radio time-shift recordings. For reasons I still don't understand, most people only use VHS recorders for TV recordings, even though they gave better reliability, better results and lower use costs than audio-only alternatives then-available, except outboard PCM encoder/decoders which I also bought. As a matter of fact, people who own VHS Hi Fi decks sometimes buy expensive low-speed audio cassette decks to enable them to make 4 to 8 hour recordings even though the record/playback head speeds for the helical scan VHS decks enable very high quality recordings rather than marginal audio quality slowed audio cassette systems produce. But those systems were never conveniently portable. Our options have certainly improved. John LoveLearn Received on 2003-10-09 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |