What does a higher bit rate indicate in digital audio?

• A. Faster playback speed
• B. More detail and wider dynamic range
• C. Lower audio quality
• D. Fewer channels

Answer: (B)

Higher bit rate means more data per second is used to represent the audio. With more data, the encoder can capture finer variations in the waveform and reduce quantization noise, which translates to more precise amplitude representation and a wider dynamic range. In practical terms, you hear more detail, quieter sounds are preserved better, and the range between soft and loud parts is greater. This doesn't automatically change playback speed, nor does higher bit rate inherently mean lower quality or fewer channels—the quality gain comes from the extra data allowing a more faithful reconstruction of the sound.