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IRIX Installation Tools & Overlays 2001 May
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SGI IRIX Installation Tools & Overlays 2001 May - Disc 3.iso
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relnotes
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dmedia_eoe
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ch22.z
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2001-04-16
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22. _S_o_u_n_d__E_d_i_t_o_r__T_o_o_l
Sound Editor (invoked from the command line as
_s_o_u_n_d_e_d_i_t_o_r(1)) is a Motif application for recording and
editing soundfiles that use AIFF format soundfiles.
Although AIFF or AIFF-C files may be opened, all files are
saved in uncompressed AIFF format. Use the _m_e_d_i_a_c_o_n_v_e_r_t
utility to convert soundfiles in other formats to AIFF for
use with Sound Editor.
This program requires a Silicon Graphics system with digital
audio hardware components in order to capture and audition
sounds. On systems without audio hardware, the record and
play functions will be disabled, but soundfiles may still be
viewed and edited.
A graphical display of the audio stream data is presented
for editing. Familiar word processor-style commands are
available for manipulating the audio content. Sound segments
can be cut, copied, pasted, or mixed by marking a region
with the mouse and invoking the proper command. Additional
functions are provided to modify levels and to perform fades
and special effects.
Sound Editor accepts a command line option, "-nofork", which
will force the program to run in the foreground. Without
this option, the standard behavior is for Sound Editor to
fork and run in the background.
Also, you may provide a soundfile name when invoking Sound
Editor from the shell. This file, if it exists, will be
loaded on startup. Otherwise, the file name will be used
for a new file.
You can customize the appearance of Sound Editor by altering
its Motif application defaults file, _S_o_u_n_d_E_d_i_t_o_r, in the
directory /_u_s_r/_l_i_b/_X_1_1/_a_p_p-_d_e_f_a_u_l_t_s.
See your Motif/X11 documentation regarding use of the
application defaults file.
See the man page _s_o_u_n_d_e_d_i_t_o_r(1) and Sound Editor's on-line
help for additional information about the tool.
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22.1 _B_u_g__F_i_x_e_s
This section lists bugs which were fixed between the 6.2 and
6.5 releases.
+o The program is now able to record sound files with a
sample bit width equal to 24.
22.2 _C_h_a_n_g_e_s__a_n_d__A_d_d_i_t_i_o_n_s
The version of Sound Editor included in IRIX 6.5 is the same
as the version that was shipped with IRIX 6.3 and 6.4.
22.3 _K_n_o_w_n__P_r_o_b_l_e_m_s__a_n_d__W_o_r_k_a_r_o_u_n_d_s
This section lists problems in Sound Editor and ways to work
around them.
+o Sometimes, if you paste sound data from another
application into Sound Editor, the time-ruler may not
get redrawn properly. If you force a redraw of the
window by resizing it, the time-ruler will get updated
properly.
+o If all the audio ports are open, and Sound Editor
cannot allocate an audio port, Sound Editor may crash.
+o Under certain conditions, the keyboard accelerators can
become disabled. Bringing up the menu containing the
desired command usually corrects this situation.
+o Although the program can open either AIFF or AIFF-C
files, there is no way within Sound Editor to export
files in a particular format. Use the _m_e_d_i_c_o_n_v_e_r_t
utility program to convert a file to another format.
+o The cut-and-paste operations do not work correctly
between different host machines. To work around this,
copy all files to be edited to the same host.
+o When altering the selected region during repeat play,
it is possible for the play region to lag behind the
user's input or sometimes play material outside the
marked region. This behavior normally corrects itself
after cycling through the marked play region.
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