What is a common format for streaming audio files over the internet?

The choice of .mp3 as a common format for streaming audio files over the internet is well-founded. The MP3 format is widely recognized for its efficient compression capabilities, allowing audio files to maintain reasonable sound quality while significantly reducing file size. This compression is critical for streaming applications since smaller file sizes lead to faster download times and less buffering, enhancing the user experience. Additionally, the .mp3 format is supported by virtually all devices and platforms, making it a universally compatible choice for online audio streaming.

While other formats such as .wav, .mp4, and .ogg are also used, they either do not offer the same level of compression suitable for streaming or are not as universally supported for this purpose. .wav files, for instance, are generally much larger and retain higher audio quality, which is not ideal for streaming due to slower loading times. The .mp4 format is primarily associated with video content but can contain audio streams as well; it's not exclusively designed for audio streaming. The .ogg format, while efficient and sometimes preferred for its open-source nature, lacks the widespread compatibility that .mp3 enjoys. Thus, the .mp3 format stands out as the go-to choice for streaming audio on the internet.