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战斗力 鹅
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注册时间 2011-4-5
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就像RMVB怎么还不死一样。不是压片的不知道aac太正常了。知道现在h.264的视频,有损声轨基本都是aac格式就可以了,没人压超过192的。当年新浪还是523限制的时候,很多up主都将音轨搞到90以下,听不出来。
The quality for stereo is satisfactory to modest requirements at 96 kbit/s in joint stereo mode; however, hi-fi transparency demands data rates of at least 128 kbit/s (VBR). The MPEG-2 audio tests showed that AAC meets the requirements referred to as "transparent" for the ITU at 128 kbit/s for stereo, and 320 kbit/s for 5.1 audio.
实验室测试也是双声道到128就够了,体积比mp3 320是要小很多的。 |
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