千千静听把无损格式转换成320K的MP3好不好?怎么调比较好?有没有更专业的转换软件?
推荐回答(5个)
可以这样说,音频或视频文件,其中的图像、音频等都是通过数据来描述的,数据越多,其描述得就越具体详细,丢失的细节就越少,进而体现为图像的画质或声音的音质越好。
数据流大小用kbps表示,称码率或比特率,码率越大即数据越多,文件体积也越大,其画质、音质也越好。码率越小文件体积越小,音画质反之。
所谓恒定码率,可以理解为不管在图像、声音是复杂还是简单的地方,都强制使用相等大小的数据流。
平均码率,即在图像、声音比较简单的地方,减少不必要的数据量,避免多余的数据描述;在图像、声音比较复杂的地方,加大数据量,避免描述不足而造成画质、音质损失过多。
所以与恒定码率相比,平均码率的效率更高些,保有了更多的音画质,同时文件体积也有可能有所减小。网上看电影最流行的RMVB格式,正是采用了这种技术。
至于变长码率,与平均码率类似而更甚。使用较少,转格式一般不用这种。
转MP3格式,其实码率很大也不一定好,比如320kbps与256kbps,或192kbps,如果播放设备不是很好,人耳可能听不出有何区别。
320kbps是MP3格式的最大码率,采样率可以是44100hz或48000hz。如果采样率为22050khz时,其最大码率为160kbps。
音频比特率,决定音质。 越高越好。 通常情况下,512(单位是K)就是最高的了。
其实,越是能设置具体参数的转换软件,功能越强大,转换出的音质越好。
越是不能设置具体参数,用高质量---中质量、低质量来表示的软件,质量越差。
你可以用格式工厂转换,它的比特率,可以手动输入。 最高可输入512。
从360软件管家中下载格式工厂,安全可靠,不用注册。
320K的已经是mp3中的最佳品质了,完全可以和ape的媲美。那三个选项后面的英文缩写分别是CBR、ABR和VBR,其中ABR和VBR都是可变码率,同样体积下的mp3可变码率肯定要比恒定码率的音质要好。我一般选择平均码率,使用平均128K的码率大概和192K的恒定码率差不多吧。变长码率没用过,因为我不知道转换后的码率是多少。具体的相关信息可以参考VBR-百度百科。
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只转换mp3就千千静听
千千静听 转换成320K的MP3 参数
千千静听转换步骤 MP3 (Lame V3.90.3),如下:
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