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nexus.html
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<!--
Copyright (c) [September 2024] [OCA - https://www.youtube.com/@OCAudiophile]
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, and to permit persons to
whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Redistribution and use in source and binary forms, with or without
modification, are not permitted for commercial purposes without the explicit
permission of the author.
-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>A1 Evo Nexus - OCA 2024</title>
<style>
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</style>
</head>
<body>
<div class="container">
<h2>A1 Evo <strong>1-click</strong> Optimization tool for home cinema systems with Audyssey®<span class="version-number">Nexus 1.5</span></h2>
<h3>Step-by-Step Instructions:</h3>
<ol>
<li class="smaller-font">You will need to have Room EQ Wizard (v5.40 Beta) installed on your computer
<ul style="margin-top: 0.5em;">
<li class="small-bullet">You can download the latest REW Beta version here: <a href="https://www.avnirvana.com/threads/rew-api-beta-releases.12981/" target="_blank">here</a></li>
</ul>
</li>
<li class="smaller-font">For advanced tips and a deeper dive into immersive audio, check out the 'Obsessive Compulsive Audiophile' YouTube channel: <a href="https://www.youtube.com/channel/UCLePp5EV2RR5_Xo7rZnnpnQ?sub_confirmation=1" target="_blank">here</a></li>
<li class="smaller-font">Click 'Upload sample calibration' below to browse to an Audyssey calibration file (.ady) that has the same speaker configuration as your current set up</li>
</ol>
<input type="file" id="fileInput" accept=".ady" onchange="extractAdy(event)">
<div class="button-container">
<button id="button1" onclick="document.getElementById('fileInput').click()">Upload sample calibration</button>
<button id="saveDEQButton" onclick="saveDeqBaseJson()" disabled>Create REW measurement mode file (.ady) w/Dynamic EQ ON</button>
<button id="saveButton" onclick="saveBaseJson()" disabled>Create REW measurement mode file (.ady) w/Dynamic EQ OFF</button>
</div>
<ol start="5">
<li class="smaller-font">Haven't measured your speakers with REW yet? Click one of the buttons above to create a 'REW measurement mode' ady file and transfer it to your AVR</li>
<li class="smaller-font">The calibration file will reset certain settings on your AV receiver and configure it for correctly measuring your system with REW</li>
<li class="smaller-font">You'll need a microphone with its custom calibration file and an HDMI cable from your computer to your receiver</li>
<li class="smaller-font">Next, measure all your speakers and subwoofer(s) by using the included Dolby Atmos REW sweeps. You can optionally do so with Dynamic EQ enabled</li>
<li class="smaller-font">REW has capacity for storing up to 500 different measurements at as many different mic positions as you like</li>
<li class="smaller-font">Ensure your measurements in REW are named correctly and there's only one measurement for each speaker/subwoofer in your system at the end.</li>
<li class="smaller-font">Check this dropdown list for a complete list of allowed speaker/subwoofer names in alphabetical order:
<select>
<option>BDL: Back Dolby Left</option>
<option>BDR: Back Dolby Right</option>
<option>C: Center</option>
<option>CH: Center Height (Auro-3D)</option>
<option>FDL: Front Dolby Left</option>
<option>FDR: Front Dolby Right</option>
<option>FHL: Front Height Left</option>
<option>FHR: Front Height Right</option>
<option>FL: Front Left</option>
<option>FR: Front Right</option>
<option>FWL: Front Wide Left</option>
<option>FWR: Front Wide Right</option>
<option>RHL: Rear Height Left</option>
<option>RHR: Rear Height Right</option>
<option>SB: Surround Back (single)</option>
<option>SBL: Surround Back Left</option>
<option>SBR: Surround Back Right</option>
<option>SDL: Surround Dolby Left</option>
<option>SDR: Surround Dolby Right</option>
<option>SHL: Surround Height Left</option>
<option>SHR: Surround Height Right</option>
<option>SLA: Surround Left</option>
<option>SRA: Surround Right</option>
<option>SW1: Subwoofer 1</option>
<option>SW2: Subwoofer 2</option>
<option>SW3: Subwoofer 3</option>
<option>SW4: Subwoofer 4</option>
<option>TFL: Top Front Left</option>
<option>TFR: Top Front Right</option>
<option>TML: Top Middle Left</option>
<option>TMR: Top Middle Right</option>
<option>TRL: Top Rear Left</option>
<option>TRR: Top Rear Right</option>
<option>TS: Top Surround (Auro-3D)</option>
</select>
</li>
<li class="smaller-font">Save your measurements and upload REW one of the included target curves of your choice before running the optimization</li>
<li class="smaller-font"><b>In REW, go to Preferences > API > Start server</b></li>
<li class="smaller-font">For a smooth optimization process: Keep REW on the 'SPL & Phase' tab and close any open child windows</li>
<li class="smaller-font">Running optimization multiple times? In REW, 'Save all', 'Remove all' and 'Open' saved measurements before each run</li>
<li class="smaller-font">When all is set, click the 'Optimize calibration' button below and sit back and relax. Your home cinema will be 'transformed' within minutes!</li>
</ol>
<div class="button-container">
<button id="startButton" onclick="startButton_clicked()" disabled>Optimize calibration</button>
<button id="pauseButton" onclick="togglePause()"disabled >Pause</button>
<h1 class="logo">OCA 2024</h1>
<h1 class="tm">Audyssey® is a registered trademark of Audyssey Laboratories, Inc.<br>This project is not affiliated with or endorsed by Audyssey Laboratories, Inc.</h1>
</div>
<div class="customization-options">
<small>
<label>
<input type="checkbox" id="forceSmall" onchange="updateCheckboxStates('forceSmall')">
Force small front speakers
<span class="explanation">If selected, front speakers will NOT be set to 'Large / Full range.'</span>
</label>
<label>
<input type="checkbox" id="forceWeak" onchange="updateCheckboxStates('forceWeak')">
Force limited power receiver
<span class="explanation">Select this option in systems with less powerful receivers and/or identical speakers, bed channels will be crossed over at 80Hz and Atmos channels at 120Hz.</span>
</label>
<label>
<input type="checkbox" id="forceCentre" onchange="updateCheckboxStates('forceCentre')">
Align SW to center speaker
<span class="explanation">Subwoofer(s) will be time aligned to the 'Centre' speaker, front speakers will be set to 'Large', 'Subwoofer Mode' will need to be set to 'LFE' in the receiver.</span>
</label>
<label>
<input type="checkbox" id="forceLarge" onchange="updateCheckboxStates('forceLarge')">
Force large front speakers
<span class="explanation">When selected, front speakers will NOT be set to 'Small'.</span>
</label>
<label>
<input type="checkbox" id="noInversion" onchange="updateCheckboxStates('noInversion')">
Avoid subwoofer polarity inversion
<span class="explanation">Avoids SW polarity inversion checks in optimizations. Select this option if your sub(s) don't have a polarity/phase inversion flip switch.</span>
</label>
<input type="checkbox" id="dummy" checked disabled class="disabled-checkbox">
<span style="color: #00e6e6;">SW LPF frequency search range</span>
<select id="subwooferLPF" onchange="updateSubwooferLPFState()">
<option value="auto" selected>Auto</option>
<option value="cap">Cap</option>
<option value="uncap">Uncap</option>
</select>
<span class="explanation">Limits subwoofer lowpass filter (bass extraction LPF) evaluation frequencies for even number of sub(s) on "Auto" to avoid bass localization.</span>
</label>
</small>
</div>
<div class="notice">*For most setups, Evo's default settings will provide optimal performance.</div>
<h2 class="log-heading">Progress log</h2>
<pre id="logContainer"></pre>
</div>
<script>
const modelsSoS300 = ["-S720W", "-S920W", "X1300W", "X2300W", "X3300W", "NR1607", "SR5011", "SR6011", "C-A110", "X3700H", "X4700H", "X6500H", "X6700H",
"X8500H", "R-A110", "-S730H", "-S740H", "-S750H", "-S760H", "-S930H", "-S940H", "-S950H", "-S960H", "X1400H", "X1500H", "X1600H",
"X1700H", "X2400H", "X2500H", "X2600H", "X2700H", "X3400H", "X3500H", "X3600H", "X3700H", "X4300H", "X4400H", "X4500H", "X4700H",
"X6300H", "X6400H", "X6500H", "X6700H", "X8500H", "AV7703", "AV7704", "AV7705", "AV7706", "AV8805", "NR1608", "NR1609", "NR1710",
"NR1711", "SR5012", "SR5013", "SR5014", "SR5015", "SR6012", "SR6013", "SR6014", "SR6015", "SR7011", "SR7012", "SR7013", "SR7015",
"SR8012", "SR8015"];
const micCalProb = ["-S720W", "-S920W", "X1300W", "X2300W", "X3300W", "NR1607", "SR5011",
"-S730H", "-S740H", "-S750H", "-S760H", "-S930H", "-S940H", "-S950H",
"-S960H", "X1400H", "X1500H", "X1600H", "X1700H", "X2400H", "X2500H",
"X2600H", "X2700H", "X3400H", "X3500H", "X3600H", "NR1608", "NR1609",
"NR1710", "NR1711", "SR5012", "SR5013", "SR5014", "SR5015", "SR6013",
"SR6014", "-S770H", "-S970H", "X1800H", "X2800H", "EMA 60", "MA 70s"];
const noxo180 = ["-S720W", "-S920W", "X1300W", "X2300W", "X3300W", "NR1607", "SR5011", "SR6011", "X6500H", "-S730H", "-S740H", "-S930H", "-S940H",
"X1400H", "X1500H", "X2400H", "X2500H", "X3400H", "X3500H", "X4300H", "X4400H", "X4500H", "X6300H", "X6400H", "X6500H", "AV7703",
"AV7704", "AV7705", "NR1608", "NR1609", "SR5012", "SR5013", "SR6012", "SR6013", "SR7011", "SR7012", "SR7013", "SR8012"];
/////////////////////////// Customization parameters for enthusiasts //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
let endFrequency = 282;// End frequency for amplitude correction filters (max. 1000Hz)
const maxBoost = 0;// Maximum boost per filter (dB), note: maxBoost is mainly effective if overallMaxBoostdB is adjusted, introducing higher auto-leveling compensation
///////////////////////// For optimal sound quality, OCA recommends to maintain the default values above! ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
let forceSmall = false;// If 'true', front speakers will NOT be set to 'Large / Full range'
let forceWeak = false;// For systems with less powerful receivers and identical speakers, if 'true' all bed channels will be crossed over at 80Hz and all Atmos channels at 120Hz
let forceCentre = false;// If 'true', front speakers will be set to 'Large', 'Subwoofer Mode' will need to be set to 'LFE' in the AVR, subwoofer(s) will be time aligned to 'Centre' speaker'
let forceLarge = false;// If 'true', front speakers will NOT be set to 'Small'
let noInversion = false;// If true, avoids subwoofer polarity inversion. This may limit alignment options and could negatively impact sound quality
let limitLPF = null;// 'true' limits lpf evaluation frequencies for even number of sub(s), odd number of sub(s) are automatically limited when null to avoid bass localization in 'LFE + Main' mode
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////// Customize crossover frequency search ranges per speaker ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const perSpeakerXOSearchRange = { "BDL": [], //Left & Right pair
"C": [],
"CH": [],
"FDL": [], //Left & Right pair
"FHL": [], //Left & Right pair
"FL": [], //Left & Right pair
"FWL": [], //Left & Right pair
"RHL": [], //Left & Right pair
"SB" : [],
"SBL": [], //Left & Right pair
"SDL": [], //Left & Right pair
"SLA": [], //Left & Right pair
"SHL": [], //Left & Right pair
"TFL": [], //Left & Right pair
"TML": [], //Left & Right pair
"TRL": [], //Left & Right pair
"TS": [],
/////////////////////////////////////////////////////////// Usage samples ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
"XYL": [40], // will set crossover for speaker XYL & XYR at 40Hz,
"XWL": [40, 90], // will set XO search range for speaker pair XWL & XWR from 40Hz to 90Hz. Best result among 40, 60, 80 and 90Hz will be selected,
"XY": [110, 110], // will set crossover for speaker XY at 110Hz,
"Q": [120] // will set speaker Q crossover frequency at 120Hz.
};
///// The available frequencies are: 40 Hz, 60 Hz, 80 Hz, 90 Hz, 100 Hz, 110 Hz, 120 Hz, 150 Hz, 180 Hz, 200 Hz, and 250 Hz. Please note that 180 Hz is not available in all receiver models! /////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
let CenterSpeakerDistance = 0.00;// Enter the measured distance from your center speaker to the main listening position (MLP) here (in meters) if you wish to override Evo distance settings.
//Keep in mind that this adjustment does not impact the immersive time alignment of your speakers; it only serves to the eye and provides accurate distances in the AVR setup menu.
//Individual speaker distance values have no significance as long as the distance DIFFERENCES between speakers remain unchanged. FL will be assigned that distance in the absence of speaker C.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const baseUrl = 'http://localhost:4735/measurements', speedDelay = 255;
let jsonData, fileName, sOs, isCirrusLogic, hasxo180, cDist, nSpeakers, subLO, subHI, noDistance = false;
let mSec = [], customLevel = {}, customDistance = {}, customCrossover = {}, commandId = {}, delayAdjustment = {}, freqIndex = [], freqLength;
let maxNegative, maxPositive, targetCurvePath, targetLevel, targetArray = [], lfePlusMain = false, bassExtractionLPF = null, solution = false;
let bassMode = "Standard", numSub = 1, subLPF = [null, null, null, null], swChannelCount = 0;
let msecMin, msecMax, invertSub = [], msecMinSub = Infinity, msecMaxSub = -Infinity, previousDelay = null, isPaused = false, dontStart = true;
function extractAdy(event) {
console.info("Initialising A1 Evo Nexus 1.5 ...");
updateCheckboxStates();
const file = event.target.files[0];
fileName = file.name;
console.info(`Audyssey calibration '${fileName}' has been uploaded!`)
const reader = new FileReader();
reader.onload = async function (e) {
let adyContents = e.target.result;
jsonData = JSON.parse(adyContents);
let modelName = jsonData.targetModelName;
const model = modelName.slice(-6);
sOs = modelsSoS300.includes(model) ? 300.00 : 343.00;
isCirrusLogic = micCalProb.includes(model) ? true : false;
hasxo180 = noxo180.includes(model) ? false : true;
hasxo180 ? freqIndex = [15.75, 40, 60, 80, 90, 100, 110, 120, 150, 180, 200, 250] : freqIndex = [15.75, 40, 60, 80, 90, 100, 110, 120, 150, 200, 250];
freqLength = freqIndex.length;
console.info(`Speed of sound setting has been automatically adjusted for your ${modelName} at ${sOs} m/s.`);
const hasSWChannels = jsonData.detectedChannels.some(channel => channel.commandId && channel.commandId.startsWith("SW"));
if (!hasSWChannels) {
console.error("No subwoofer detected in your calibration file. The tool cannot complete optimization without a subwoofer in the system!");
throw new Error;
}
subLO = -12;
subHI = 12;
cDist = getDistance(jsonData.detectedChannels);
if (`subwooferLayout` in jsonData) {jsonData.subwooferLayout = "N/A"}
if (`subwooferMode` in jsonData) {
jsonData.subwooferMode = sOs === 343 ? "Standard" : "N/A";
}
const zerosArray = [1, ...Array(16383).fill(0)];
jsonData.dynamicVolume = false;
jsonData.lfc = false;
jsonData.dynamicEq = false;
jsonData.enTargetCurveType = 1;
let subwooferTypeStart = 54;
let subwooferCounter = 0;
const subwooferChannels = jsonData.detectedChannels.filter(channel => channel.commandId.startsWith("SW"));
numSub = subwooferChannels.length;
jsonData.detectedChannels.forEach((channel, index) => {
const isSubwoofer = channel.commandId.startsWith("SW");
const isFirstSubwoofer = isSubwoofer && index === jsonData.detectedChannels.indexOf(subwooferChannels[0]);
if (isSubwoofer) {
channel.enChannelType = subwooferTypeStart + subwooferCounter;
subwooferCounter++;
channel.midrangeCompensation = true;
channel.frequencyRangeRolloff = 250;
channel.customLevel = "0.0";
channel.customDistance = 0.0;
channel.channelReport.customEnSpeakerConnect = 3;
channel.channelReport.distance = 0;
channel.channelReport.isReversePolarity = true;
channel.trimAdjustment = "0.0";
channel.delayAdjustment = "0.0";
if ('customCrossover' in channel) { delete channel.customCrossover; }
if ('customSpeakerType' in channel) { delete channel.customSpeakerType; }
if (isFirstSubwoofer) {
channel.customTargetCurvePoints = [];
const responseData = channel.responseData;
const keysToKeep = Object.keys(responseData).slice(0, 3);
keysToKeep.forEach(key => {
responseData[key] = isCirrusLogic ? antiMicCal : zerosArray;
});
Object.keys(responseData).forEach(key => {
if (!keysToKeep.includes(key)) {
delete responseData[key];
}
});
} else {
if ('customTargetCurvePoints' in channel) { delete channel.customTargetCurvePoints; }
channel.responseData = {};
}
} else {
channel.customTargetCurvePoints = [];
channel.midrangeCompensation = false;
channel.frequencyRangeRolloff = 20000;
channel.customLevel = "0.0";
channel.customDistance = 0.0;
channel.customCrossover = "F";
channel.customSpeakerType = "L";
channel.channelReport.customEnSpeakerConnect = 2;
channel.channelReport.distance = 0;
channel.customTargetCurvePoints = [];
const responseData = channel.responseData;
const keysToKeep = Object.keys(responseData).slice(0, 3);
keysToKeep.forEach(key => {
responseData[key] = isCirrusLogic ? antiMicCal : zerosArray;
});
Object.keys(responseData).forEach(key => {
if (!keysToKeep.includes(key)) {
delete responseData[key];
}
});
}
});
(async function() {
try {
document.getElementById('saveButton').disabled = false;
document.getElementById('saveDEQButton').disabled = false;
await compareREW();
if (!dontStart) {document.getElementById('startButton').disabled = false}
} catch (error) {
console.error("An error occurred:", error);
}
})();
}
reader.readAsText(file);
}
async function sortREW(){
console.info("Checking and sorting measurements in REW...");
let noErrors = true;
const allowedNames = ['FL','FR','C','SLA','SRA','SBL','SBR','SB','FHL','FHR','FWL','FWR','TFL','TFR','TML','TMR','TRL','TRR','RHL','RHR','FDL','FDR','SDL','SDR','BDL','BDR','SHL','SHR','TS','CH','SW1','SW2','SW3','SW4'];
let measurements = await fetch_mREW();
let mCount = Object.keys(measurements).length;
let measurementArray = Object.keys(measurements).map(key => ({
index: parseInt(key),
title: measurements[key].title
}));
let titleSet = new Set();
let duplicates = [];
let invalidNames = [];
for (let measurement of measurementArray) {
if (titleSet.has(measurement.title)) {
duplicates.push(measurement.title);
} else {
titleSet.add(measurement.title);
}
if (!allowedNames.includes(measurement.title)) {
invalidNames.push(measurement.title);
}
}
if (duplicates.length > 0) {
console.warn("Duplicate measurements found:\n" + duplicates.join("\n"));
noErrors = false;
}
if (invalidNames.length > 0) {
console.warn("Measurements with invalid names found:\n" + invalidNames.join("\n"));
noErrors = false;
}
if (noErrors) {
let swMeasurements = measurementArray.filter(m => m.title.startsWith("SW"));
let bdMeasurements = measurementArray.filter(m => m.title.startsWith("BD"));
let otherMeasurements = measurementArray.filter(m => !m.title.startsWith("SW") && !m.title.startsWith("BD"));
swMeasurements.sort((a, b) => a.title.localeCompare(b.title));
bdMeasurements.sort((a, b) => a.title.localeCompare(b.title));
otherMeasurements.sort((a, b) => a.title.localeCompare(b.title));
let sortedMeasurements = [
...otherMeasurements,
...bdMeasurements,
...swMeasurements
];
let newIndex = mCount + 1;
for (let measurement of sortedMeasurements) {
await postSafe(`http://localhost:4735/measurements/${measurement.index}/command`, { command: "Response copy" }, "Completed");
const titleNew = measurement.title + "o";
await fetch_mREW(newIndex, 'PUT', {title: titleNew});
newIndex++;
}
for (let i = mCount; i >= 1; i--) {
await postDelete(i);
}
for (i = 1; i <= nSpeakers + numSub - 1; i++) {
const mt = await fetch_mREW(i);
const t = mt.title;
commandId[i] = t.slice(0, -1);
}
console.info("Measurements in REW are consistent amd have been successfully sorted.");
} else {
console.warn("Please check your REW measurements. Optimization cannot continue!");
throw new Error;
}
}
async function compareREW() {
const allowedNames = ['FL','FR','C','SLA','SRA','SBL','SBR','SB','FHL','FHR','FWL','FWR','TFL','TFR','TML','TMR','TRL','TRR','RHL','RHR','FDL','FDR','SDL','SDR','BDL','BDR','SHL','SHR','TS','CH','SW1','SW2','SW3','SW4'];
try {
let measurements = await fetch_mREW();
if (!measurements || Object.keys(measurements).length === 0) {
console.warn("No measurements found in REW.");
return; // Exit the function if no measurements are found.
}
dontStart = false;
console.info("Comparing REW measurements with the uploaded calibration file...")
let measurementArray = Object.keys(measurements).map(key => ({
index: parseInt(key),
title: measurements[key].title
}));
let jsonNames = jsonData.detectedChannels.map(channel => channel.commandId);
let noSpeakerErrors = true;
let rewSWMeasurements = measurementArray.filter(m => m.title.startsWith("SW"));
let rewNonSWMeasurements = measurementArray.filter(m => !m.title.startsWith("SW"));
let jsonSWMeasurements = jsonNames.filter(name => name.startsWith("SW"));
let jsonNonSWMeasurements = jsonNames.filter(name => !name.startsWith("SW"));
let unmatchedREWNames = rewNonSWMeasurements.filter(rewMeasurement =>
!jsonNonSWMeasurements.includes(rewMeasurement.title)
).map(m => m.title);
let unmatchedJSONNames = jsonNonSWMeasurements.filter(jsonName =>
!rewNonSWMeasurements.some(rewMeasurement => rewMeasurement.title === jsonName)
);
if (unmatchedREWNames.length > 0 || unmatchedJSONNames.length > 0) {
console.warn("Unmatched speakers were found:");
noSpeakerErrors = false;
if (unmatchedREWNames.length > 0) {
console.warn("In REW: " + unmatchedREWNames.join(", "));
}
if (unmatchedJSONNames.length > 0) {
console.warn("In uploaded calibration file (.ady): " + unmatchedJSONNames.join(", "));
}
}
if (noSpeakerErrors) {
console.info("All speaker checks passed. Proceeding with subwoofer(s) check...");
} else {
console.error("Measurements in REW did NOT match with the speakers in the uploaded calibration file!");
throw new Error(`UnmatchedSpeakers: Please upload a suitable .ady file or load/replace REW measurements and restart the script.`);
}
nSpeakers = rewNonSWMeasurements.length + 1;
let firstSWChannel = jsonData.detectedChannels.find(ch => ch.commandId.startsWith("SW"));
if (!firstSWChannel) {
console.error("No Subwoofer channel was found in the calibration file, optimization cannot proceed!");
throw new Error(`NoSubwooferError: Evo can only optimize systems with a subwoofer.`);
}
if (rewSWMeasurements.length !== jsonSWMeasurements.length) {
console.warn(`Mismatch in the number of subwoofers between REW (${rewSWMeasurements.length}) and the uploaded .ady file (${jsonSWMeasurements.length}).`);
if (rewSWMeasurements.length === 0) {
throw new Error(`SubwooferError: You have NO subwoofer measurements in REW. Please check and restart the script!`);
}
console.warn("Overriding calibration file subwoofer structure based on the number of subwoofer measurements in REW!");
if (`subwooferNum` in jsonData) {jsonData.subwooferNum = rewSWMeasurements.length}
let multeqType = parseInt(jsonData.enMultEQType);
if (rewSWMeasurements.length > 1 && multeqType < 2) {
throw new Error(`SubwooferError: You have more than one subwoofer measurement in REW and this is not compatible with your AV Receiver. Please check and restart the script!`);
}
jsonData.detectedChannels = jsonData.detectedChannels.filter(ch => !ch.commandId.startsWith("SW") || ch === firstSWChannel);
if (multeqType > 1) {firstSWChannel.enChannelType = 54}
let chType = parseInt(firstSWChannel.enChannelType);
swChannelCount = rewSWMeasurements.length;
numSub = swChannelCount;
if (numSub > 1) {bassMode = "Directional"}
for (let i = 1; i < rewSWMeasurements.length; i++) {
let newSWChannel = JSON.parse(JSON.stringify(firstSWChannel));
newSWChannel.commandId = `SW${i + 1}`;
chType++;
newSWChannel.enChannelType = chType;
jsonData.detectedChannels.push(newSWChannel);
if ('customTargetCurvePoints' in newSWChannel) {delete newSWChannel.customTargetCurvePoints;}
newSWChannel.responseData = {};
}
console.log("Subwoofer reconciliation complete. Consider saving a copy of the updated base calibration file for future use!");
} else {
console.info("Subwoofer count consistency checks passed!");
}
document.getElementById('button1').disabled = true;
} catch (error) {
if (error.message.startsWith("UnmatchedSpeakers")) {
console.error(error.message.replace("UnmatchedSpeakers: ", ""));
} else if (error.message.startsWith("NoSubwooferError")) {
console.error(error.message.replace("NoSubwooferError: ", ""));
} else if (error.message.startsWith("SubwooferError")) {
console.error(error.message.replace("SubwooferError: ", ""));
} else {
console.warn("Unable to detect REW!");
dontStart = true;
}
return; // Gracefully exit if there was an error fetching the measurements.
}
}
async function saveBaseJson() {
jsonData.dynamicEq = false;
let adyContents = JSON.stringify(jsonData, null, 2);
const blob = new Blob([adyContents], { type: 'application/json' });
const urlBlob = URL.createObjectURL(blob);
const downloadLink = document.createElement("a");
downloadLink.href = urlBlob;
downloadLink.download = "AVReceiverREWmode.ady";
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
}
async function saveDeqBaseJson() {
jsonData.dynamicEq = true;
let adyContents = JSON.stringify(jsonData, null, 2);
const blob = new Blob([adyContents], { type: 'application/json' });
const urlBlob = URL.createObjectURL(blob);
const downloadLink = document.createElement("a");
downloadLink.href = urlBlob;
downloadLink.download = "AVReceiverREWmodeDEQ.ady";
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
}
function getDistance(channels) {
let dist = parseFloat(channels[1].channelReport.distance);
if (isNaN(dist) || dist === 0) {
dist = parseFloat(channels[1].customDistance);
if (isNaN(dist) || dist === 0 || dist === null) {
dist = 2.75;
noDistance = true;
}
}
if (CenterSpeakerDistance > 0) {
dist = CenterSpeakerDistance / 343 * sOs;
noDistance = false;
}
return dist;
}
function startButton_clicked() {
document.getElementById('startButton').disabled = true;
document.getElementById('pauseButton').disabled = false;
document.querySelectorAll('.container > *:not(#logContainer):not(h2), .container li, .container a, .notice, .small-bullet').forEach(el => {
if (el.id !== 'logContainer' && !el.closest('#logContainer') && !el.closest('h2')) {
el.style.fontSize = '0.8em';
el.style.transition = 'font-size 0.3s ease';
}
});
document.querySelectorAll('.smaller-font').forEach(el => {
el.style.fontSize = '0.7em';
});
document.querySelectorAll('ol, ul').forEach(el => {
el.style.marginTop = '0.5em';
el.style.marginBottom = '0.5em';
});
document.querySelectorAll('button').forEach(el => {
el.style.fontSize = '0.8em';
el.style.padding = '8px 16px';
});
const versionNumber = document.querySelector('.version-number');
if (versionNumber) {
versionNumber.style.float = 'none';
versionNumber.style.display = 'inline-block';
versionNumber.style.verticalAlign = 'middle';
versionNumber.style.marginLeft = '10px';
};
const logContainer = document.getElementById('logContainer');
logContainer.style.maxHeight = '350px';
logContainer.style.transition = 'max-height 0.3s ease';
document.querySelector('.customization-options').classList.add('new-style');
document.querySelector('.notice').style.fontSize = '0.5em';
optimizeOCA();
}
function updateCheckboxStates(triggeredBy) {
const noInversionCheckbox = document.getElementById('noInversion');
const forceSmallCheckbox = document.getElementById('forceSmall');
const forceWeakCheckbox = document.getElementById('forceWeak');
const forceCentreCheckbox = document.getElementById('forceCentre');
const forceLargeCheckbox = document.getElementById('forceLarge');
forceSmall = forceSmallCheckbox.checked;
forceWeak = forceWeakCheckbox.checked;
forceCentre = forceCentreCheckbox.checked;
forceLarge = forceLargeCheckbox.checked;
noInversion = noInversionCheckbox.checked;
if (['forceSmall', 'forceWeak', 'forceCentre', 'forceLarge'].includes(triggeredBy)) {
forceSmallCheckbox.disabled = false;
forceWeakCheckbox.disabled = false;
forceCentreCheckbox.disabled = false;
forceLargeCheckbox.disabled = false;
}
if (triggeredBy === 'forceSmall' && forceSmall) {
forceWeakCheckbox.checked = false;
forceWeakCheckbox.disabled = true;
forceLargeCheckbox.checked = false;
forceLargeCheckbox.disabled = true;
forceCentreCheckbox.checked = false;
forceCentreCheckbox.disabled = true;
}
if (triggeredBy === 'forceWeak' && forceWeak) {
forceSmallCheckbox.checked = true;
forceSmallCheckbox.disabled = true;
forceLargeCheckbox.checked = false;
forceLargeCheckbox.disabled = true;
forceCentreCheckbox.checked = false;
forceCentreCheckbox.disabled = true;
}
if (triggeredBy === 'forceLarge' && forceLarge) {
forceSmallCheckbox.checked = false;
forceSmallCheckbox.disabled = true;
forceWeakCheckbox.checked = false;
forceWeakCheckbox.disabled = true;
}
if (triggeredBy === 'forceCentre' && forceCentre) {
forceSmallCheckbox.checked = false;
forceSmallCheckbox.disabled = true;
forceWeakCheckbox.checked = false;
forceWeakCheckbox.disabled = true;
forceLargeCheckbox.checked = true;
forceLargeCheckbox.disabled = true;
}
}
function updateSubwooferLPFState() {
const subwooferLPFSelect = document.getElementById('subwooferLPF');
const selectedValue = subwooferLPFSelect.value;
switch(selectedValue) {
case 'cap':
limitLPF = true;
break;
case 'uncap':
limitLPF = false;
break;
case 'auto':
default:
limitLPF = null;
break;
}
}
function togglePause() {
isPaused = !isPaused;
document.getElementById('pauseButton').innerHTML = isPaused ? 'Resume' : 'Pause';
console.log(isPaused ? "Optimization will be paused at the end of the current process!" : "Optimization is resumed...");
}
async function checkIfPaused() {
if (isPaused) {
console.warn("Optimization is paused!");
}
while (isPaused) {
await new Promise(resolve => setTimeout(resolve, 200));
}
}
async function optimizeOCA() {
clearCommands();
await new Promise((resolve) => setTimeout(resolve, speedDelay));
disableBlock();
await new Promise((resolve) => setTimeout(resolve, speedDelay));
enableBlock();
enableGraph();
await new Promise((resolve) => setTimeout(resolve, 200));
console.log("Optimization started...");
console.warn("Please keep REW on 'SPL & Phase' tab, close any child windows and stay on this web page until optimization is completed!");
disableGraph();
const startTime = performance.now();
document.getElementById('subwooferLPF').disabled = true;
document.getElementById('forceSmall').disabled = true;
document.getElementById('forceWeak').disabled = true;
document.getElementById('forceCentre').disabled = true;
document.getElementById('forceLarge').disabled = true;
document.getElementById('noInversion').disabled = true;
await sortREW();
await checkIfPaused();
await bootUp();
await checkIfPaused();
await groundWorks();
await checkIfPaused();
await optimizeLevels();
await checkIfPaused();
await generateFilters();
await checkIfPaused();
await witchCraft();
await checkIfPaused();
await aceXO();
await checkIfPaused();
await drawResults();
await checkIfPaused();
enableGraph();
disableBlock();
await updateAdy();
const endTime = performance.now();
const totalTime = (endTime - startTime) / 1000;
const formatTime = (seconds) => {
const minutes = Math.floor(seconds / 60);
const remainingSeconds = Math.round(seconds % 60);
if (minutes === 0) {
return `${remainingSeconds} second${remainingSeconds !== 1 ? 's' : ''}`;
} else if (remainingSeconds === 0) {
return `${minutes} minute${minutes !== 1 ? 's' : ''}`;
} else {
return `${minutes} minute${minutes !== 1 ? 's' : ''} and ${remainingSeconds} second${remainingSeconds !== 1 ? 's' : ''}`;
}
};
const getCurrentDateTime = () => {
const now = new Date();
return now.toLocaleString('en-US', {
year: 'numeric',
month: 'short',
day: 'numeric',
hour: '2-digit',
minute: '2-digit',
hour12: true
});
};