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-rwxr-xr-xmanual/configure_rockbox/sound_settings.tex166
1 files changed, 84 insertions, 82 deletions
diff --git a/manual/configure_rockbox/sound_settings.tex b/manual/configure_rockbox/sound_settings.tex
index 31f3ce5adf..8d3a1ac464 100755
--- a/manual/configure_rockbox/sound_settings.tex
+++ b/manual/configure_rockbox/sound_settings.tex
@@ -7,9 +7,9 @@ change to customize your listening experience.
7\section{Volume} 7\section{Volume}
8 This setting adjusts the volume of your music. Like most professional 8 This setting adjusts the volume of your music. Like most professional
9 audio gear and many consumer audio products, Rockbox uses a decibel scale 9 audio gear and many consumer audio products, Rockbox uses a decibel scale
10 where 0 dB is a reference that indicates the maximum volume that the \dap\ 10 where 0 dB is a reference that indicates the maximum volume that the \dap{}
11 can produce without possible distortion (clipping). All values lower than this 11 can produce without possible distortion (clipping). All values lower than
12 reference will be negative and yield a progressively softer volume. 12 this reference will be negative and yield a progressively softer volume.
13 \opt{player, recorder, recorderv2fm, ondio, ipodnano, ipodvideo}{ 13 \opt{player, recorder, recorderv2fm, ondio, ipodnano, ipodvideo}{
14 Values higher than 0 dB are available and can be used to raise the 14 Values higher than 0 dB are available and can be used to raise the
15 volume more than would otherwise be possible. These volume levels will 15 volume more than would otherwise be possible. These volume levels will
@@ -86,9 +86,9 @@ change to customize your listening experience.
86 Karaoke 86 Karaoke
87 & Removes all sound that is the same in both channels. Since most 87 & Removes all sound that is the same in both channels. Since most
88 music is recorded with vocals being equally present in both channels 88 music is recorded with vocals being equally present in both channels
89 to make the singer sound centrally placed, this often (but not always) 89 to make the singer sound centrally placed, this often (but not
90 has the effect of removing the voice track from a song. This setting 90 always) has the effect of removing the voice track from a song. This
91 also very often has other undesirable effects on the sound. \\ 91 setting also very often has other undesirable effects on the sound. \\
92 \bottomrule 92 \bottomrule
93 \end{tabularx} 93 \end{tabularx}
94 \end{center} 94 \end{center}
@@ -97,12 +97,12 @@ change to customize your listening experience.
97\section{Stereo Width} 97\section{Stereo Width}
98 Stereo width allows you to manually specify the effect that is applied 98 Stereo width allows you to manually specify the effect that is applied
99 when the \setting{Channels} setting is set to \setting{Custom}. 99 when the \setting{Channels} setting is set to \setting{Custom}.
100 All values below 100\% will progressively mix the contents of one channel into 100 All values below 100\% will progressively mix the contents of one channel
101 the other. This has the effect of gradually centering the stereo image, until 101 into the other. This has the effect of gradually centering the stereo image,
102 you have monophonic sound at 0\%. Values above 100\% will progressively remove 102 until you have monophonic sound at 0\%. Values above 100\% will progressively
103 components in one channel that is also present in the other. This has the 103 remove components in one channel that is also present in the other. This has
104 effect of widening the stereo field. A value of 100\% will leave the stereo 104 the effect of widening the stereo field. A value of 100\% will leave the
105 field unaltered. 105 stereo field unaltered.
106 106
107\opt{recorder,recorderv2fm}{ 107\opt{recorder,recorderv2fm}{
108 \section{Loudness} 108 \section{Loudness}
@@ -214,9 +214,9 @@ change to customize your listening experience.
214 versa in order to simulate the spatial cues that the ear and brain receive 214 versa in order to simulate the spatial cues that the ear and brain receive
215 when listening to a set of loudspeakers placed in front of the listener. The 215 when listening to a set of loudspeakers placed in front of the listener. The
216 result is a more natural stereo image that can be especially appreciated in 216 result is a more natural stereo image that can be especially appreciated in
217 older rock and jazz records, where one instrument is often hard-panned to just 217 older rock and jazz records, where one instrument is often hard-panned to
218 one of the speakers. Many people will find such records tiring to listen to 218 just one of the speakers. Many people will find such records tiring to listen
219 using earphones and no crossfeed effect. 219 to using earphones and no crossfeed effect.
220 220
221 Crossfeed has the following settings. 221 Crossfeed has the following settings.
222 \begin{description} 222 \begin{description}
@@ -234,7 +234,8 @@ change to customize your listening experience.
234 of both this setting and the \setting{Cross Gain} setting. 234 of both this setting and the \setting{Cross Gain} setting.
235 \item[High-Frequency Cutoff] 235 \item[High-Frequency Cutoff]
236 Decides at which frequency the cross path audio will start to be cut 236 Decides at which frequency the cross path audio will start to be cut
237 by the amount described by the \setting{High-Frequency Attenuation} setting. 237 by the amount described by the \setting{High-Frequency Attenuation}
238 setting.
238 \end{description} 239 \end{description}
239 240
240 Most users will find the default settings to yield satisfactory results, but 241 Most users will find the default settings to yield satisfactory results, but
@@ -260,39 +261,39 @@ change to customize your listening experience.
260 \textbf{EQ Band(s)} & \textbf{Description} \\\midrule 261 \textbf{EQ Band(s)} & \textbf{Description} \\\midrule
261 Band 0: Low shelf filter 262 Band 0: Low shelf filter
262 & A low shelf filter boosts or lowers all frequencies below the 263 & A low shelf filter boosts or lowers all frequencies below the
263 designated cutoff point. The ``bass''control on most home or car 264 designated cutoff point. The ``bass''control on most home or car
264 stereos is an example of a low shelf filter. The low shelf 265 stereos is an example of a low shelf filter. The low shelf
265 filter in Rockbox is more flexible than a simple ``bass'' 266 filter in Rockbox is more flexible than a simple ``bass''
266 control, because a simple bass control only lets you adjust 267 control, because a simple bass control only lets you adjust
267 the amount of gain that is applied. Rockbox lets you control 268 the amount of gain that is applied. Rockbox lets you control
268 the amount of gain that is applied (i.e., the amount that the 269 the amount of gain that is applied (i.e., the amount that the
269 bass is boosted or cut) too, but Rockbox also allows you to 270 bass is boosted or cut) too, but Rockbox also allows you to
270 adjust the ``cutoff'' frequency where the shelving starts to take 271 adjust the ``cutoff'' frequency where the shelving starts to take
271 effect. For example, a cutoff frequency of 50 Hz will adjust only very 272 effect. For example, a cutoff frequency of 50 Hz will adjust only very
272 low frequencies. A cutoff frequency of 200 Hz, on the other hand, will 273 low frequencies. A cutoff frequency of 200 Hz, on the other hand, will
273 adjust a much wider range of bass frequencies.. \\ 274 adjust a much wider range of bass frequencies.. \\
274 % 275 %
275 Bands 1-3: Peaking filters 276 Bands 1-3: Peaking filters
276 & Peaking EQ filters boost or low a center frequency that you select, 277 & Peaking EQ filters boost or low a center frequency that you select,
277 as well as the frequencies within a certain distance of that 278 as well as the frequencies within a certain distance of that
278 center. Graphic equalizers in home stereos are usually peaking 279 center. Graphic equalizers in home stereos are usually peaking
279 filters. The peaking EQs on Rockbox's parametric equalizer let 280 filters. The peaking EQs on Rockbox's parametric equalizer let
280 you adjust three different parameters for each EQ band 1 281 you adjust three different parameters for each EQ band 1
281 through 3. The ``center'' parameter controls the center 282 through 3. The ``center'' parameter controls the center
282 frequency that is adjusted by that EQ band. The ``gain'' 283 frequency that is adjusted by that EQ band. The ``gain''
283 parameter controls how much each band is adjusted. Positive 284 parameter controls how much each band is adjusted. Positive
284 numbers make the EQ band louder, while negative numbers make 285 numbers make the EQ band louder, while negative numbers make
285 that EQ band quieter. Finally, the ``Q'' parameter controls how wide 286 that EQ band quieter. Finally, the ``Q'' parameter controls how wide
286 or narrow each EQ band is. Higher Q values will affect a 287 or narrow each EQ band is. Higher Q values will affect a
287 narrow band of frequencies, while lower EQ values will affect 288 narrow band of frequencies, while lower EQ values will affect
288 a wider band of frequencies. \\ 289 a wider band of frequencies. \\
289 % 290 %
290 Band 4: Hi shelf filter 291 Band 4: Hi shelf filter
291 & A high shelf filter boosts or lowers all frequencies above a 292 & A high shelf filter boosts or lowers all frequencies above a
292 designated cutoff point. The ``treble'' control on most home or car 293 designated cutoff point. The ``treble'' control on most home or car
293 stereos is an example of a high shelf filter. The high shelf filter is 294 stereos is an example of a high shelf filter. The high shelf filter is
294 adjusted the same way as the low shelf filter, except that it works on 295 adjusted the same way as the low shelf filter, except that it works on
295 the high end of the frequency spectrum rather than the low end.\\ 296 the high end of the frequency spectrum rather than the low end.\\
296 \bottomrule 297 \bottomrule
297 \end{tabularx} 298 \end{tabularx}
298 \end{center} 299 \end{center}
@@ -306,9 +307,9 @@ change to customize your listening experience.
306 This option controls whether the EQ is on or off. 307 This option controls whether the EQ is on or off.
307 308
308 \item[Graphical EQ:] 309 \item[Graphical EQ:]
309 This option brings up a graphic EQ screen, which allows adjustment of each of 310 This option brings up a graphic EQ screen, which allows adjustment of each of
310 the three parameters described above (gain, center frequency, and Q) for each 311 the three parameters described above (gain, center frequency, and Q) for each
311 of the five EQ bands. 312 of the five EQ bands.
312 313
313 \begin{table} 314 \begin{table}
314 \begin{btnmap}{}{} 315 \begin{btnmap}{}{}
@@ -327,58 +328,59 @@ change to customize your listening experience.
327 \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD}{\ButtonRight} 328 \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD}{\ButtonRight}
328 \opt{IPOD_4G_PAD,IPOD_3G_PAD,IPOD_VIDEO_PAD}{\ButtonRight} 329 \opt{IPOD_4G_PAD,IPOD_3G_PAD,IPOD_VIDEO_PAD}{\ButtonRight}
329 & Moves to the next EQ band. \\ 330 & Moves to the next EQ band. \\
330 % 331 %
331 \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonSelect} 332 \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonSelect}
332 \opt{IAUDIO_X5_PAD,IPOD_4G_PAD,IPOD_3G_PAD,IPOD_VIDEO_PAD}{\ButtonSelect} 333 \opt{IAUDIO_X5_PAD,IPOD_4G_PAD,IPOD_3G_PAD,IPOD_VIDEO_PAD}{\ButtonSelect}
333 & Toggles the cursor among the three parameters (gain, center frequency, 334 & Toggles the cursor among the three parameters (gain, center frequency,
334 Q) for the selected EQ band.\\ 335 Q) for the selected EQ band.\\
335 % 336 %
336 \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonMode} 337 \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonMode}
337 \opt{IPOD_4G_PAD,IPOD_3G_PAD,IPOD_VIDEO_PAD}{\ButtonMenu} 338 \opt{IPOD_4G_PAD,IPOD_3G_PAD,IPOD_VIDEO_PAD}{\ButtonMenu}
338 & Exits the graphic EQ screen.\\ 339 & Exits the graphic EQ screen.\\
339 \end{btnmap} 340 \end{btnmap}
340 \end{table} 341 \end{table}
341 342
342 \item[Pre-cut:] 343 \item[Pre-cut:]
343 If too much gain is added through the graphical EQ, your music may distort. 344 If too much gain is added through the graphical EQ, your music may distort.
344 The \setting{Precut} setting allows you to adjust the overall gain of the EQ. 345 The \setting{Precut} setting allows you to adjust the overall gain of the EQ.
346
345 If your music distorts when using the EQ, trying changing this setting to a 347 If your music distorts when using the EQ, trying changing this setting to a
346 negative value. 348 negative value.
347 349
348 \item[Simple EQ:] 350\item[Simple EQ:]
349 This option provides an easier alternative for those who are daunted by all of 351This option provides an easier alternative for those who are daunted by all of
350 the parameters that can be adjusted using the graphical EQ. With the 352the parameters that can be adjusted using the graphical EQ. With the
351 \setting{Simple EQ}, the only parameter that can be adjusted is the gain. 353\setting{Simple EQ}, the only parameter that can be adjusted is the gain.
354
355\item[Advanced EQ:]
356This submenu provides options for adjusting the same parameters as the
357\setting{Graphical EQ}. The only difference is that the parameters are
358adjusted through textual menus rather than through a graphic interface.
359
360\item[Save EQ Preset:]
361This option saves the current EQ configuration in a \fname{.cfg} file.
362
363\item[Browse EQ Presets:]
364This menu displays a list EQ presets, as well as any EQ configurations saved
365using the \setting{Save EQ Preset} option. Users unfamiliar with the
366operation of a parametric EQ may wish to use the presets instead of trying to
367configure the EQ, or use the presets for designing their own custom EQ
368settings.
352 369
353 \item[Advanced EQ:]
354 This submenu provides options for adjusting the same parameters as the
355 \setting{Graphical EQ}. The only difference is that the parameters are
356 adjusted through textual menus rather than through a graphic interface.
357
358 \item[Save EQ Preset:]
359 This option saves the current EQ configuration in a \fname{.cfg} file.
360
361 \item[Browse EQ Presets:]
362 This menu displays a list EQ presets, as well as any EQ configurations saved
363 using the \setting{Save EQ Preset} option. Users unfamiliar with the
364 operation of a parametric EQ may wish to use the presets instead of trying to
365 configure the EQ, or use the presets for designing their own custom EQ
366 settings.
367
368\end{description} 370\end{description}
369} 371}
370 372
371\opt{ipodvideo}{ 373\opt{ipodvideo}{
372\section{Hardware EQ} 374\section{Hardware EQ}
373 375
374 This function controls the EQ that is built into the hardware of your 376This function controls the EQ that is built into the hardware of your
375 \playerman{}. The hardware EQ functions similarly to the Graphical EQ in that 377\playerman{}. The hardware EQ functions similarly to the Graphical EQ in that
376 it allows adjustmnet of several parameters. However, unlike the Graphical EQ, 378it allows adjustmnet of several parameters. However, unlike the Graphical EQ,
377 the Hardware EQ allows the user to choose from a limited number of settings 379the Hardware EQ allows the user to choose from a limited number of settings
378 for ``Center Frequency'' and ``Bandwidth'' (``Bandwidth'' in the Hardware EQ 380for ``Center Frequency'' and ``Bandwidth'' (``Bandwidth'' in the Hardware EQ
379 is similar to ``Q'' in the Graphical EQ). 381is similar to ``Q'' in the Graphical EQ).
380 382
381 \note{While the \setting{Hardware EQ} menu shows Low Shelf, three peaking 383\note{While the \setting{Hardware EQ} menu shows Low Shelf, three peaking
382 filters, and High Shelf, the peaking filters are not currently operational.} 384filters, and High Shelf, the peaking filters are not currently operational.}
383 385
384} 386}