In Pulse Code Modulation (PCM), the number of quantization levels determines the bit depth. With 128 levels, so 7 bits per sample are required. This provides good voice reproduction quality in digital telephony.
Good Voice reproduction via PCM can be achieved with 128 quantization levels, or ____________ coding.
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This question is part of 📡 Electronics and Communication Engineering (ECE) within the broader 🛠️ Engineering Essentials subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.