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7 <chapter id="sn-problems-bugs-known-issues">
8 <title>Problems, Bugs and Known Issues</title>
9 <section id="known-issues">
10 <title> Known Issues </title>
12 This section documents known issues with the all versions of Ardour up
13 to and including 1.0. It is not a replacement for our
14 <ulink url="http://tracker.ardour.org/">bug tracking system</ulink>,
15 but instead summarizes some known issues that are likely to be
16 encountered by users and are not in the process of being fixed.
22 creating 3rd level feedback loops (e.g. bus 1 feeds bus 2 feeds
23 bus 3; bus 3 feeds bus 1) may prevent a session from loading
29 ardour's interpretation of "beats per minute" is different from
30 most other programs and from convention. 1 "beat" is whatever the
31 meter in effect defines. Thus, 120 bpm in a 4/4 meter is 120
32 quarter notes per minute; 120 bpm in a 3/8 meter is 120 eighth
39 copying or cut-n-pasting two (or more) regions that have a
40 crossfade between them to a new location or a new track does not
41 copy the crossfade. Until a future version of Ardour changes this,
42 you are advised to do region editing first, and create crossfades
49 it is not possible to create pan automation control points using
50 the mouse for stereo (or higher channel count) tracks and busses.
51 you can create automation for these configurations by recording
52 panning motion, and you can edit the data using the mouse.
58 when importing an audio file directly into a track, there are no
59 choices for the quality level of any necessary sample rate
60 conversion. On any system that Ardour is running on, there is
61 almost certainly a utility called
62 <command>sndfile-resample</command> which uses the same sample
63 rate conversion library as Ardour. This utility offers a great
64 deal of control over the sample rate conversion process, including
65 quality levels. Ardour uses the "best" quality internally. If you
66 want a different quality, you can use this tool to produce a
67 rate-converted file at the correct speed, and then import that
74 when timestretch is used to alter the length of a region, any
75 region-specific gain envelope is lost. The new region has the
76 default unity gain throughout its duration.
82 if you overdub on a playlist in an area containing cross-fades,
83 the cross-fades will still be audible in spite of the newly
84 overdubbed material being "on top" of them. Workaround is to mute
85 or remove the crossfades before overdubbing. As a corollary to
86 this, creating crossfades that span other crossfades will not work
87 correctly in this version of Ardour.
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