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<html><head><title>krecord help</title></head><body bgcolor=white text=black><h1>Help for krecord</h1>krecord is a easy-to-use sound recorder for KDE, it can record to (andplayback from) memory and *.wav files. Should'nt be a problem torecord huge files. Well, unless you run out of memory...<p>Recording and playback is basically finished, fine-tuned and debugged forLinux/i386 systems now. There are some i18n and portability issues.Other OSS/little-endian boxes should work fine too (but this is untested),OSS/big-endian should work with 8-bit sound.<p>I dropped my plans to add more functions and entered theBugfixingAndMaintaining Mode. For editing check out the otherprograms, there is kwav for example.<h3>Description</h3>mostly TODO, currently only the most important stuff is listed.<p>The main part of the window is just a list of the buffers you have.Empty after startup. krecord knows two sorts of buffers:<dl><dt>memory buffers<dd>these are kept in memory, if you want to keep the data there, youhave to save the buffer to a file.These are listed as "buffer #nr".<dt>file buffers<dd>these are attached to a file and krecord reads and writes directlyfrom/to the file. These are listed with the filename.</dl>File buffers are useful if you want to record huge sound files (with size >RAM). But they are more sensitive to background activity,i.e. recording overruns are more likely.<p>recording/playback starts allways at the beginning of thebuffer, there is no position scale.<p>The status line holds (from left to right): status / sample rate /channels / audio format / latency. status might be:<dl compact><dt>idle<dt>playback<dt>recording<dd>I think these are clear...<dt>monitor<dd>reads data from the souncard and processes them. You can use thefreq spectrum window or input level window (or both :-) to see whatcomes in. You can adjust the record level then. It is nice fortrouble-shooting too. If no data arrives, you probably have to setthe right recording source with a mixer program, kmix for example.There is a menu entry in the options menu to start up kmix...<dt>waiting<dd>krecord waits for a signal higher than the record trigger level.record trigger level is specified in percent. 5% gives good resultsmost of the time for me, but YMMV depending on quality and volume ofthe input signal.</dl><p>The freq spectrum displays the frequencies from 100Hz to 10kHz. Thex-axis has a logaritmic scale - 1kHz is in the middle. y-axis islinear, the horizontal red line ist the maximum level.<p>There are a few handy keyboard shortcuts:<dl compact><dt>up/down<dd>walk in the buffer list<dt>Return<dd>start playback<dt>'R'<dd>start recording<dt>Escape<dd>stop record/playback<dt>'N', Space<dd>starts a new file buffer (named song<nr>.wav). Thisis useful for recording your old LP's (if you want to burn them toCD's): Just start krecord, your LP, and press 'N' every time you wantto start a new track. Burn with "<tt>cdrecord -audiosong*.wav</tt>".</dl><h3>Known Problems</h3><ul><li>I have trouble with recording overruns sometimes :-(<li>The freq spectrum/input level is'nt in sync for playback - itdoes'nt take in account the delay due to the sound driver buffering.<li>Supports OSS only. Yes, there already is a sunaudio.cpp file, butthis is currently a dummy only...<br>support for big-endian machines needs some work too.</ul><h3>TODO List</h3><ul><li>more i18n<li>portability</ul><h3>Credits</h3><ul><li>Florian Kolbe <Florian.Kolbe@in-gmbh.de> (input level window)<li>St閜hane Gourichon <gouricho@poleia.lip6.fr> (input level patches)<li>Thomas Strehl <tstrehl@suse.de> (KDE2 port)</ul><hr noshade><address>Gerd Knorr<<a href="mailto:kraxel@goldbach.in-berlin.de">kraxel@goldbach.in-berlin.de</a>></address></body></html>?? 快捷鍵說明
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