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hdd spin-up causes gap in .ogg-playback in h120
littlenick:
Hi,
I am new here and not really a techie ( :-[).
Just (barely) managed to get rockbox (version r 24861-100222) on my iriver h120. While mp3-files play without a hitch (so far)
Rockbox version r 24861-100222 gives me a gap in the middle of the song when spinning up the disc to fill the buffer when playing back ogg-files (ca. 220-280 kbps). So I am getting gapless playback between the songs, but new gaps every 15 min or so when the hdd spins up!
Your help is being appreciated - cheers!
Thomas
torne:
If it happens only when the disk spins up, then you need to increase the anti-skip buffer length setting, under Playback Settings. Try increasing it gradually until the skips go away.
littlenick:
Hi torne,
thank you for your answer. The Rolling Stones run o.k. with a 15 sec. Anti-skip buffer but my Buddha Bar Vol.2 still has a gap in the middle of a track even with the anti-skip buffer increased to a 5 (!) minutes (both were ripped with the same audiograbber settings (.ogg quality 8.30 -> ca. 254 kbps, actually often closer to 300 kbps).
Does Rockbox really rebuffer only so scarcely before the end of the buffered data so it uses the anti-skip too? Never had this problem with mp3 files.
Any other ideas?
The same files used to play without any undue problem with iriver firmware (but of course used to have this annoying gap in between two tracks).
By the way - isn't there a trade-in for using excessive Anti-Skip-Buffers?
torne:
The anti-skip setting determines the point at which rebuffering begins. If you select 5 minutes, then it should rebuffer when there is 5 minutes of compressed audio remaining, so as long as it doesn't take more than 5 minutes for the disk to spin up and return data... :)
Your results suggest to me that the things which work OK with a 15-sec anti skip threshold are indeed just skipping for that reason, and you should probably leave it on 15 seconds. The tracks which still have skipping issues with a 5 minute threshold must have a different problem... Does the skipping still occur at the same time as the disk spins up, or is it just a random skip in the music mid-track?
And yes, the higher you set the threshold, the more often rebuffering occurs for the same amount of data, so the battery will run down faster. Setting it to 15 seconds will not have a measurable effect on overall battery life for lossy codecs (it might possibly if you use FLAC/etc, but you'd have to measure it to see).
saratoga:
--- Quote from: littlenick on February 24, 2010, 06:04:47 AM ---The Rolling Stones run o.k. with a 15 sec. Anti-skip buffer but my Buddha Bar Vol.2 still has a gap in the middle of a track even with the anti-skip buffer increased to a 5 (!) minutes (both were ripped with the same audiograbber settings (.ogg quality 8.30 -> ca. 254 kbps, actually often closer to 300 kbps).
Does Rockbox really rebuffer only so scarcely before the end of the buffered data so it uses the anti-skip too? Never had this problem with mp3 files.
Any other ideas?
--- End quote ---
Is the gap always at the same place in the song?
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