// Copyright (C) 2013 Massachusetts Institute of Technology // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License version 2, // as published by the Free Software Foundation. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // SoundBank.js // Tim Mickel, 2013 // Based on the original AS by John Maloney - Scratch 1.4 compatibility removed // // A collection of instrument and drum resources to support the note and drum commands. var SoundBank = function() {}; // ----------------------------- // Scratch 2.0 Instrument Definitions //------------------------------ // Each instrument is an array of one or more key-span entries of the following form: // // top key of key span, sampleName, midiKey, loopStart, loopEnd, [attack, hold, decay] // // The loop points are -1 if the sound is unlooped (e.g. Marimba). // The three-element envelop array may be omitted if the instrument has no envelope. SoundBank.instruments = [ [[38, 'AcousticPiano_As3', 58, 10266, 17053, [0, 100, 22]], [44, 'AcousticPiano_C4', 60, 13968, 18975, [0, 100, 20]], [51, 'AcousticPiano_G4', 67, 12200, 12370, [0, 80, 18]], [62, 'AcousticPiano_C6', 84, 13042, 13276, [0, 80, 16]], [70, 'AcousticPiano_F5', 77, 12425, 12965, [0, 40, 14]], [77, 'AcousticPiano_Ds6', 87, 12368, 12869, [0, 20, 10]], [85, 'AcousticPiano_Ds6', 87, 12368, 12869, [0, 0, 8]], [90, 'AcousticPiano_Ds6', 87, 12368, 12869, [0, 0, 6]], [96, 'AcousticPiano_D7', 98, 7454, 7606, [0, 0, 3]], [128, 'AcousticPiano_D7', 98, 7454, 7606, [0, 0, 2]]], [[48, 'ElectricPiano_C2', 36, 15338, 17360, [0, 80, 10]], [74, 'ElectricPiano_C4', 60, 11426, 12016, [0, 40, 8]], [128, 'ElectricPiano_C4', 60, 11426, 12016, [0, 0, 6]]], [[128, 'Organ_G2', 43, 1306, 3330]], [[40, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 15]], [56, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 13.5]], [60, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 12]], [67, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 8.5]], [72, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 7]], [83, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 5.5]], [128, 'AcousticGuitar_F3', 53, 36665, 36791, [0, 0, 4.5]]], [[40, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 15]], [56, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 13.5]], [60, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 12]], [67, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 8.5]], [72, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 7]], [83, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 5.5]], [128, 'ElectricGuitar_F3', 53, 34692, 34945, [0, 0, 4.5]]], [[34, 'ElectricBass_G1', 31, 41912, 42363, [0, 0, 17]], [48, 'ElectricBass_G1', 31, 41912, 42363, [0, 0, 14]], [64, 'ElectricBass_G1', 31, 41912, 42363, [0, 0, 12]], [128, 'ElectricBass_G1', 31, 41912, 42363, [0, 0, 10]]], [[38, 'Pizz_G2', 43, 8554, 8782, [0, 0, 5]], [45, 'Pizz_G2', 43, 8554, 8782, [0, 12, 4]], [56, 'Pizz_A3', 57, 11460, 11659, [0, 0, 4]], [64, 'Pizz_A3', 57, 11460, 11659, [0, 0, 3.2]], [72, 'Pizz_E4', 64, 17525, 17592, [0, 0, 2.8]], [80, 'Pizz_E4', 64, 17525, 17592, [0, 0, 2.2]], [128, 'Pizz_E4', 64, 17525, 17592, [0, 0, 1.5]]], [[41, 'Cello_C2', 36, 8548, 8885], [52, 'Cello_As2', 46, 7465, 7845], [62, 'Violin_D4', 62, 10608, 11360], [75, 'Violin_A4', 69, 3111, 3314, [70, 0, 0]], [128, 'Violin_E5', 76, 2383, 2484]], [[30, 'BassTrombone_A2_3', 45, 1357, 2360], [40, 'BassTrombone_A2_2', 45, 1893, 2896], [55, 'Trombone_B3', 59, 2646, 3897], [88, 'Trombone_B3', 59, 2646, 3897, [50, 0, 0]], [128, 'Trumpet_E5', 76, 2884, 3152]], [[128, 'Clarinet_C4', 60, 14540, 15468]], [[40, 'TenorSax_C3', 48, 8939, 10794], [50, 'TenorSax_C3', 48, 8939, 10794, [20, 0, 0]], [59, 'TenorSax_C3', 48, 8939, 10794, [40, 0, 0]], [67, 'AltoSax_A3', 57, 8546, 9049], [75, 'AltoSax_A3', 57, 8546, 9049, [20, 0, 0]], [80, 'AltoSax_A3', 57, 8546, 9049, [20, 0, 0]], [128, 'AltoSax_C6', 84, 1258, 1848]], [[61, 'Flute_B5_2', 83, 1859, 2259], [128, 'Flute_B5_1', 83, 2418, 2818]], [[128, 'WoodenFlute_C5', 72, 11426, 15724]], [[57, 'Bassoon_C3', 48, 2428, 4284], [67, 'Bassoon_C3', 48, 2428, 4284, [40, 0, 0]], [76, 'Bassoon_C3', 48, 2428, 4284, [80, 0, 0]], [84, 'EnglishHorn_F3', 53, 7538, 8930, [40, 0, 0]], [128, 'EnglishHorn_D4', 62, 4857, 5231]], [[39, 'Choir_F3', 53, 14007, 41281], [50, 'Choir_F3', 53, 14007, 41281, [40, 0, 0]], [61, 'Choir_F3', 53, 14007, 41281, [60, 0, 0]], [72, 'Choir_F4', 65, 16351, 46436], [128, 'Choir_F5', 77, 18440, 45391]], [[38, 'Vibraphone_C3', 48, 6202, 6370, [0, 100, 8]], [48, 'Vibraphone_C3', 48, 6202, 6370, [0, 100, 7.5]], [59, 'Vibraphone_C3', 48, 6202, 6370, [0, 60, 7]], [70, 'Vibraphone_C3', 48, 6202, 6370, [0, 40, 6]], [78, 'Vibraphone_C3', 48, 6202, 6370, [0, 20, 5]], [86, 'Vibraphone_C3', 48, 6202, 6370, [0, 0, 4]], [128, 'Vibraphone_C3', 48, 6202, 6370, [0, 0, 3]]], [[128, 'MusicBox_C4', 60, 14278, 14700, [0, 0, 2]]], [[128, 'SteelDrum_D5', 74.4, -1, -1, [0, 0, 2]]], [[128, 'Marimba_C4', 60, -1, -1]], [[80, 'SynthLead_C4', 60, 135, 1400], [128, 'SynthLead_C6', 84, 124, 356]], [[38, 'SynthPad_A3', 57, 4212, 88017, [50, 0, 0]], [50, 'SynthPad_A3', 57, 4212, 88017, [80, 0, 0]], [62, 'SynthPad_A3', 57, 4212, 88017, [110, 0, 0]], [74, 'SynthPad_A3', 57, 4212, 88017, [150, 0, 0]], [86, 'SynthPad_A3', 57, 4212, 88017, [200, 0, 0]], [128, 'SynthPad_C6', 84, 2575, 9202]], ]; // ----------------------------- // Scratch 2.0 Drum Definitions //------------------------------ // Each drum entry is an array of of the form: // // sampleName, pitchAdjust, [loopStart, loopEnd, decay] // // pitchAdjust (pitch shift in semitones) adjusts the original pitch. // The loop points and decay parameter may be omitted if the drum is unlooped. // (A few drums are looped to create several different pitched drums from one sample.) SoundBank.drums = [ ['SnareDrum', 0], ['Tom', 0], ['SideStick', 0], ['Crash', -7], ['HiHatOpen', -8], ['HiHatClosed', 0], ['Tambourine', 0], ['Clap', 0], ['Claves', 0], ['WoodBlock', -4], ['Cowbell', 0], ['Triangle', -6, 16843, 17255, 2], ['Bongo', 2], ['Conga', -7, 4247, 4499, 2], // jhm decay ['Cabasa', 0], ['GuiroLong', 0], ['Vibraslap', -6], ['Cuica', -5], ]; SoundBank.getNotePlayer = function(instNum, midiKey) { // Return a NotePlayer for the given Scratch 2.0 instrument number (1..21) // and MIDI key (0..127). If the instrument is out of range, use 1. var r = SoundBank.getNoteRecord(instNum - 1, midiKey); var env = (r.length > 5) ? r[5] : null; return new NotePlayer(Instr.samples[r[1]], SoundBank.pitchForKey(r[2]), r[3], r[4], env); } SoundBank.getNoteRecord = function(instNum, midiKey) { // Get a note record for the given instrument number. if ((instNum < 0) || (instNum >= SoundBank.instruments.length)) instNum = 0; var keyRanges = SoundBank.instruments[instNum]; for (var r = 0; r < keyRanges.length; r++) { var topOfKeyRange = keyRanges[r][0]; if (midiKey <= topOfKeyRange) return keyRanges[r]; } return keyRanges[keyRanges.length - 1]; // return the note record for the top key range. } SoundBank.pitchForKey = function(midiKey) { return 440 * Math.pow(2, (midiKey - 69) / 12); // midi key 69 is A=440 Hz } SoundBank.getDrumPlayer = function(drumNum, secs) { // Return a NotePlayer for the given drum number. var entry = SoundBank.drums[drumNum - 1]; if (entry == null) entry = SoundBank.drums[2]; var loopStart = -1, loopEnd = -1, env = null; if (entry.length >= 4) { loopStart = entry[2]; loopEnd = entry[3]; } if (entry.length >= 5) env = [0, 0, entry[4]]; var player = new NotePlayer(Instr.samples[entry[0]], SoundBank.pitchForKey(60), loopStart, loopEnd, env); player.setNoteAndDuration(60 + entry[1], 0); return player; }