pulse-code-modulation/index.html at main · jenilsoni01/pulse-code-modulation · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>PCM</title>
    <link rel="stylesheet" href="style.css">
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
</head>
<body data-theme="light">
    <div class="container">
        <header class="app-header">
             <h1>Real-Time Pulse Code Modulation Visualizer</h1>
             <div class="theme-switcher">
                 <span id="theme-icon">☀️</span> <!-- Icon changes with theme -->
                 <input type="checkbox" id="themeToggle" aria-label="Toggle dark mode">
                 <label for="themeToggle" class="toggle-label"></label>
             </div>
        </header>

        <form id="pcm-form" class="controls-grid">
            <fieldset class="control-group">
                <legend>Signal Parameters</legend>
                <div class="input-group">
                    <label for="frequency">Frequency (Hz):</label>
                    <input type="number" id="frequency" value="1" min="0.1" step="0.1" required>
                </div>
                <div class="input-group">
                    <label for="amplitude">Amplitude:</label>
                    <input type="number" id="amplitude" value="4" min="0.1" step="0.1" required>
                </div>
                 <!-- Replaced Wave Type with Phase -->
                <div class="input-group">
                    <label for="phase">Phase (deg):</label>
                    <input type="number" id="phase" value="0" step="1" required>
                     <!-- Allow any degree, wrap in calculation -->
                </div>
            </fieldset>

            <fieldset class="control-group">
                <legend>PCM Parameters</legend>
                <div class="input-group">
                    <label for="samplingRate">Sampling Rate (Hz):</label>
                    <input type="number" id="samplingRate" value="20" min="1" step="1" required>
                </div>
                <div class="input-group">
                    <label for="quantizationLevels">Quantization Levels:</label>
                    <input type="number" id="quantizationLevels" value="8" min="2" step="1" required>
                </div>
            </fieldset>

             <fieldset class="control-group">
                <legend>Time Range</legend>
                 <div class="input-group">
                    <label for="startTime">Start Time (s):</label>
                    <input type="number" id="startTime" value="0" min="0" step="0.1" required>
                </div>
                <div class="input-group">
                    <label for="endTime">End Time (s):</label>
                    <input type="number" id="endTime" value="2" min="0" step="0.1" required>
                     <!-- Default to 2 seconds -->
                </div>
            </fieldset>

            <!-- Removed explicit button, update happens on input -->
             <div id="error-message" class="error full-width-error"></div>

        </form>

        <section class="results-section">
             <h2>Results</h2>
             <div class="metrics">
                 <div id="snr-display">SNR: -- dB</div>
             </div>

            <div class="visualization-grid">
                <!-- Charts -->
                <div class="chart-container">
                    <canvas id="analogSampledChart"></canvas>
                     <!-- Titles will be set in JS options -->
                </div>
                <div class="chart-container">
                    <canvas id="quantizedChart"></canvas>
                </div>
                <div class="chart-container">
                    <canvas id="reconstructedChart"></canvas>
                </div>
                <div class="chart-container">
                    <canvas id="errorChart"></canvas>
                </div>

                <!-- PCM Data Table -->
                <div class="output-container table-container">
                    <h3>PCM Data Table</h3>
                    <div class="table-wrapper">
                         <table id="pcm-data-table">
                            <thead>
                                <tr>
                                    <th>#</th>
                                    <th>Time</th>
                                    <th>Sampled</th>
                                    <th>Quantized</th>
                                    <th>Error</th>
                                    <th>Code</th>
                                </tr>
                            </thead>
                            <tbody></tbody>
                        </table>
                    </div>
                </div>

                <!-- PCM Encoded Output Sequence -->
                <div class="output-container code-output-container">
                    <h3>PCM Encoded Output (Sequence)</h3>
                    <pre id="pcm-output"></pre>
                </div>
            </div>
        </section>
    </div>

    <script src="script.js"></script>
</body>
</html>