Multimedia

multimedia

A multimedia is a form of communication that uses a combination of different content forms into a single interactive presentation.  It is in contrast to traditional mass media.

streaming media

Streaming media is multimedia delivered and consumed continuously from a source, with little or no intermediate storage in network elements.

content delivery network

A content delivery network (CDN) is a geographically distributed network of proxy servers and data centers.

评论

发表评论

此博客中的热门博文

Japanese

Japanese Dict: https://www.japandict.com Alphabet Kanji. every character represents an idea or concept. Hiragana. in combination with kanji. Katakana. represents foreign words, places, onomatopoeias, etc. onomatopeia 象声 is the process of creating a word that phonetically imitates, resembles, or suggests the sound that it describes. E.g. tick tock, di da. 音読み 訓読み One single kanji may have more than one different readings: on'yomi, kun'yomi, and nanori. 音読み. On'yomi. reading is coming from the original Chinese pronunciation of the character. 訓読み. Kun'yomi. reading is coming from the pronunciation of a native Japanese word. 名乗り. Nanori. almost exclusively in Japanese names. 训读在使用汉字的语言中都是存在的，比如汉语中的 菸 字，音读 yu，训读 yan，训读的本字为 烟。 吴语中的 二，训读为 liahn，本字为两。 类似地，英语中的 etc. 音读为 et cetera，训读为 and so on 或 and so forth。 Pitch accent Japanese pitch accent is a feature that distinguishes words by accenting particular morae. scalar pitch 頭高 atamadaka, first mora high and the following ones...
阅读全文

Base64

 如果输入是 n bits，base64 编码后得到的是 ceil(n/6) Bytes = ceil(4n/3) bits。也就是说，base64 后会膨胀 [4/3, 8] 倍，在输入足够长的情况下可以看作 4/3。 base64 index Index Binary Char Index Binary Char Index Binary Char Index Binary Char 0 000000 A 16 010000 Q 32 100000 g 48 110000 w 1 000001 B 17 010001 R 33 100001 h 49 110001 x 2 000010 C 18 010010 S 34 100010 i 50 110010 y 3 000011 D 19 010011 T 35 100011 j 51 110011 z 4 000100 E 20 010100 U 36 100100 k 52 110100 0 5 000101 F 21 010101 V 37 100101 l 53 110101 1 6 000110 G 22 010110 W 38 100110 m 54 110110 2 7 000111 H 23 010111 X 39 100111 n 55 110111 3 8 001000 I 24 011000 Y 40 101000 o 56 111000 4 9 001001 J 25 011001 Z 41 101001 p 57 111001 5 10 001010 K 26 011010 a 42 101010 q 58 111010 6 11 001011 L 27 011011 b 43 101011 r 59 111011 7 12 001100 M 28 011100 c 44 101100 s 60 111100 8 13 001101 N 29 011101 d 45 101101 t 61 111101 9 14 001110 O 30 011110 e 46 101110 u 62 111110 + 15 001111 P 31 011111 f 47 101111 v 63 111111 / Padding =
阅读全文

语音学，音韵学，音系学

Phonetics 语音学，研究人的语音的具象特征，和语音的用途、意义无关。也和特定语言无关。 Phonology 音系学，也作音韵学，研究特定语言的语音，侧重语音的功能。 Historical Chinese Phonology 汉语音韵学，也作音韵学，研究汉语的历史语音变化。
阅读全文