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1 @c -*- coding: utf-8; mode: texinfo; -*- | 1 @c -*- coding: utf-8; mode: texinfo; -*- |
2 | 2 |
3 @ignore | 3 @ignore |
4 Translation of GIT committish: FILL-IN-HEAD-COMMITTISH | 4 Translation of GIT committish: FILL-IN-HEAD-COMMITTISH |
5 | 5 |
6 When revising a translation, copy the HEAD committish of the | 6 When revising a translation, copy the HEAD committish of the |
7 version that you are working on. For details, see the Contributors' | 7 version that you are working on. For details, see the Contributors' |
8 Guide, node Updating translation committishes.. | 8 Guide, node Updating translation committishes.. |
9 @end ignore | 9 @end ignore |
10 | 10 |
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2973 of dynamic markings and the relative volume of different instruments. | 2973 of dynamic markings and the relative volume of different instruments. |
2974 | 2974 |
2975 Dynamic marks translate automatically into volume levels in the | 2975 Dynamic marks translate automatically into volume levels in the |
2976 available MIDI volume range whereas crescendi and decrescendi vary the | 2976 available MIDI volume range whereas crescendi and decrescendi vary the |
2977 volume linearly between their two extremes. It is possible to control | 2977 volume linearly between their two extremes. It is possible to control |
2978 the relative volume of dynamic markings, and the overall volume levels | 2978 the relative volume of dynamic markings, and the overall volume levels |
2979 of different instruments. | 2979 of different instruments. |
2980 | 2980 |
2981 @menu | 2981 @menu |
2982 * Dynamic marks in MIDI:: | 2982 * Dynamic marks in MIDI:: |
2983 * MIDI dynamics and voices:: | |
2983 * Setting MIDI volume:: | 2984 * Setting MIDI volume:: |
2984 * Setting MIDI block properties:: | 2985 * Setting MIDI block properties:: |
2985 @end menu | 2986 @end menu |
2986 | 2987 |
2987 @cindex MIDI volume | 2988 @cindex MIDI volume |
2988 @cindex MIDI equalization | 2989 @cindex MIDI equalization |
2989 @cindex MIDI dynamics | 2990 @cindex MIDI dynamics |
2990 @cindex Dynamics in MIDI | 2991 @cindex Dynamics in MIDI |
2992 @cindex MIDI dynamics and voices | |
2991 | 2993 |
2992 | 2994 |
2993 @node Dynamic marks in MIDI | 2995 @node Dynamic marks in MIDI |
2994 @unnumberedsubsubsec Dynamic marks in MIDI | 2996 @unnumberedsubsubsec Dynamic marks in MIDI |
2995 | 2997 |
2996 Only the dynamic markings from @code{ppppp} to @code{fffff}, including | 2998 Only the dynamic markings from @code{ppppp} to @code{fffff}, including |
2997 @code{mp}, @code{mf} and @code{sf} have values assigned to them. This | 2999 @code{mp}, @code{mf} and @code{sf} have values assigned to them. This |
2998 value is then applied to the value of the overall MIDI volume range to | 3000 value is then applied to the value of the overall MIDI volume range to |
2999 obtain the final volume included in the MIDI output for that particular | 3001 obtain the final volume included in the MIDI output for that particular |
3000 dynamic marking. The default fractions range from 0.25 for | 3002 dynamic marking. The default fractions range from 0.25 for |
3001 @notation{ppppp} to 0.95 for @notation{fffff}. The complete set of | 3003 @notation{ppppp} to 0.95 for @notation{fffff}. The complete set of |
3002 dynamic marks and their associated fractions can be found in | 3004 dynamic marks and their associated fractions can be found in |
3003 @file{scm/midi.scm}. | 3005 @file{scm/midi.scm}. |
3004 | 3006 |
3005 | 3007 |
3006 @snippets | 3008 @snippets |
3007 @lilypondfile[verbatim,quote,ragged-right,texidoc,doctitle] | 3009 @lilypondfile[verbatim,quote,ragged-right,texidoc,doctitle] |
3008 {creating-custom-dynamics-in-midi-output.ly} | 3010 {creating-custom-dynamics-in-midi-output.ly} |
3009 | 3011 |
3010 Installed Files: | 3012 Installed Files: |
3011 @file{ly/script-init.ly} | 3013 @file{ly/script-init.ly} |
3012 @file{scm/midi.scm}. | 3014 @file{scm/midi.scm}. |
3013 | 3015 |
3014 Snippets: | 3016 Snippets: |
3015 @rlsr{MIDI}. | 3017 @rlsr{MIDI}. |
3016 | 3018 |
3017 Internals Reference: | 3019 Internals Reference: |
3018 @rinternals{Dynamic_performer}. | 3020 @rinternals{Dynamic_performer}. |
3019 | 3021 |
3022 @node MIDI dynamics and voices | |
3023 @unnumberedsubsubsec MIDI dynamics and voices | |
3024 | |
3025 In each newly instantiated @code{Voice}, all notes before the | |
3026 first note with an explicit dynamic mark attached will be | |
3027 assigned a default MIDI dynamic level, which corresponds to the | |
3028 value 0.71 in the available MIDI volume range between 0 and 1. | |
Dan Eble
2016/07/11 13:34:45
Is it necessary to be this specific? If so, is th
Carl
2016/07/11 16:39:01
I think that it's useful to know what the default
Dan Eble
2016/07/11 23:41:18
But I've seen the default hard-coded in C++.
And
| |
3029 Dynamic changes in a @code{Voice} are shared only between | |
3030 identically named voices in the same @code{Staff}. | |
Carl
2016/07/11 16:39:01
I hadn't realized this feature of MIDI. I believe
Dan Eble
2016/07/11 23:41:18
I believe I have a patch for this already, but it
| |
3031 | |
3032 For example, notes marked with 1), 2), 3) and 4) below will be | |
3033 assigned the dynamic levels @code{pppp}, the default level, | |
3034 @code{mf} and @code{pp} (respectively) in the MIDI output: | |
3035 | |
3036 @lilypond[quote,verbatim] | |
3037 \new Staff { | |
3038 \new Voice = "A" \relative { | |
3039 % 1) | |
3040 c'2\pppp | |
3041 << | |
3042 \new Voice = "A" \relative { | |
3043 % 2) 2) 3) 3) | |
3044 \voiceOne c''8 c8 c8^\mf c8 | |
3045 } | |
3046 \new Voice = "B" \relative { | |
3047 % 2) 4) | |
3048 \voiceTwo c'8_\> c4 c8_\pp | |
3049 } | |
3050 >> | |
3051 % 3) | |
3052 \oneVoice c1 | |
3053 } | |
3054 << | |
3055 \new Voice = "A" \relative { | |
3056 % 2) | |
3057 \voiceOne c''1 | |
3058 } | |
3059 \new Voice = "B" \relative { | |
3060 % 2) 2) | |
3061 \voiceTwo c'2 c2 | |
3062 } | |
3063 >> | |
3064 } | |
3065 @end lilypond | |
3066 | |
3067 @noindent | |
3068 To avoid unintended changes in MIDI dynamics at @code{Voice} | |
3069 boundaries, the dynamic level can be set at these points | |
3070 using explicit dynamic marks if necessary. Removing these marks | |
3071 from the typeset output can be done by removing their stencil | |
3072 (see @ref{Visibility of objects}) or by using tags to enable | |
3073 processing the dynamic marks only when generating MIDI output | |
3074 (see @ref{Using tags}). | |
3075 | |
3076 @seealso | |
3077 Notation Reference: | |
3078 @ref{Single-staff polyphony}. | |
3079 | |
3080 Internals Reference: | |
3081 @rinternals{Dynamic_performer}. | |
3082 | |
3020 | 3083 |
3021 @node Setting MIDI volume | 3084 @node Setting MIDI volume |
3022 @unnumberedsubsubsec Setting MIDI volume | 3085 @unnumberedsubsubsec Setting MIDI volume |
3023 | 3086 |
3024 The minimum and maximum overall volume of MIDI dynamic markings is | 3087 The minimum and maximum overall volume of MIDI dynamic markings is |
3025 controlled by setting the properties @code{midiMinimumVolume} and | 3088 controlled by setting the properties @code{midiMinimumVolume} and |
3026 @code{midiMaximumVolume} at the @code{Score} level. These properties | 3089 @code{midiMaximumVolume} at the @code{Score} level. These properties |
3027 have an effect only at the start of a voice and on dynamic marks. The | 3090 have an effect only at the start of a voice and on dynamic marks. The |
3028 fraction corresponding to each dynamic mark is modified with this | 3091 fraction corresponding to each dynamic mark is modified with this |
3029 formula | 3092 formula |
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3675 | 3738 |
3676 | 3739 |
3677 @knownissues | 3740 @knownissues |
3678 | 3741 |
3679 Not all lilypond music events are supported by | 3742 Not all lilypond music events are supported by |
3680 @file{event-listener.ly}. It is intended to be a well-crafted | 3743 @file{event-listener.ly}. It is intended to be a well-crafted |
3681 @qq{proof of concept}. If some events that you want to see are | 3744 @qq{proof of concept}. If some events that you want to see are |
3682 not included, copy @file{event-listener.ly} into your lilypond | 3745 not included, copy @file{event-listener.ly} into your lilypond |
3683 directory and modify the file so that it outputs the information | 3746 directory and modify the file so that it outputs the information |
3684 you want. | 3747 you want. |
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