Change log entry 65778 | |
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Processed by: | vermillon (2018-06-27 06:22:03 UTC) |
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<< review queue entry 62338 - submitted by 'sl89' >> 【Wikipedia〈Bitrate: Multimedia〉】 In digital multimedia, bitrate represents the amount of information, or detail, that is stored per unit of time of a recording. https://en.wikipedia.org/wiki/Bit_rate#Multimedia 【Wikipedia〈比特率:多媒体的比率〉】 多媒体行业在指音频或者视频在单位时间内的数据传输率时通常使用码流或码率,单位是kbps(千位每秒)。 【百度百科〈比特率〉】 比特率是指每秒传送的比特(bit)数。单位为 bps(Bit Per Second),比特率越高,传送数据速度越快。声音中的比特率是指将模拟声音信号转换成数字声音信号后,单位时间内的二进制数据量,是间接衡量音频质量的一个指标。 视频中的比特率(码率)原理与声音中的相同,都是指由模拟信号转换为数字信号后,单位时间内的二进制数据量。 https://baike.baidu.com/item/%E6%AF%94%E7%89%B9%E7%8E%87 图像相对静止的新闻节目可以使用低得多的码率。 On the other hand, a newscast showing a newscaster's head can use a much lower bit rate. 提出了一种新的工作于极低码率下的混合激励线性预测(MELP)声码器。 A new mixed excitation linear prediction(MELP) codec working at very low bit rate was presented. 视频播放器是一个少一点挑剔,比770的,但你还是想保留码率保守,以避免过多的框呈下降趋势。 The video player is a bit less finicky than the 770's, but you'll still want to keep the bitrate conservative to avoid excessive frame dropping. 在大多数视频压缩标准中,码率控制方法都是针对中高码率情况而设计的,而在较低码率情况下的工作情况都不够理想。 Most of the bit-rate control schemes in video-compression standards are designed for medium and high bit- rate conditions, while do not work well for low bit-rate. |
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# 碼率 码率 [ma3 lu:4] /bit rate (digital multimedia)/ + 碼率 码率 [ma3 lu:4] /bitrate/ |