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ＮＴＴ宣布，由其倡导的音频压缩方式“ＴｗｉｎＶＱ”已被数据压缩方式的国际标准“ＭＰＥＧ－４”所采用。音频信号的高效编码方式“ＭＰＥＧ－４Ａｕｄｉｏｐａｒｔ”在１９９９年１１月中旬已被认定为国际标准。长期以来，作为ＭＰＥＧ－４音频编码方式的候补，Ｔｗｉ...
NTT announced that the audio compression method “TwinVQ” advocated by it has been adopted by MPEG-4, an international standard for data compression. The efficient encoding of audio signals “MPEG-4Audiopart” has been recognized as an international standard in mid-November 1999. For a long time, as an alternative to MPEG-4 audio encoding, Twi ...