1·In fact, bitrate data for many applications simply isn't available.
事实上，很多程序的比特率数据是不可用的。
2·For example, Apple's guidelines state that a video's audio stream should never have a higher bitrate than 40kbps.
例如，苹果的指引说明视频的音频流，不应该比40kbps的比特率更高。
3·You can set the bitrate and frequency for your special requirements.
你可以为你的特别要求设置比特率和频率。
4·This paper proposes a frame processing scheme of video by which transmission bitrate can be efficiently decreased and visual effect can be improved.
提出一种视频帧处理方案，通过这种处理可以有效降低视频传输比特率和改善视觉效果。
5·Can set convert quality, sample rate, bitrate.
可以设置转换质量，采样率，比特率。