Wav audio file information
2016-08-23
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Analysis of extracted audio files in WAV format, access to audio files with the following information: (1) the number of audio channels
(2) the sampling frequency
(3) the bit rate
(4) sampling date
(5) data structure of WAV file audio data size: starting footprint addresses the meaning of numbers 00H4byteRIFF, resource interchange file flags. 04H4byte starting from the next address total bytes to the end of the file. Behind the high byte, here is the 001437ECH, replace decimal 1325036byte, count 8byte just 1325044byte before this. 08H4byteWAVE, represents the WAV file format. 0CH4byteFMT, waveform format flag 10H4byte00000010H,16PCM, my understanding is that with 16bit data represents a quantitative result. 1 for 14H2byte means that linear PCM encoding, is greater than 1 indicates a compression encoding. Here is 0001H. 16H2byte1 for Mono, 2 for stereo, this is 0001H. 18H4byte sampling frequency, here is 00002B11H, which is 11025Hz. 1CH4byteByte rate is * of * = samp
(2) the sampling frequency
(3) the bit rate
(4) sampling date
(5) data structure of WAV file audio data size: starting footprint addresses the meaning of numbers 00H4byteRIFF, resource interchange file flags. 04H4byte starting from the next address total bytes to the end of the file. Behind the high byte, here is the 001437ECH, replace decimal 1325036byte, count 8byte just 1325044byte before this. 08H4byteWAVE, represents the WAV file format. 0CH4byteFMT, waveform format flag 10H4byte00000010H,16PCM, my understanding is that with 16bit data represents a quantitative result. 1 for 14H2byte means that linear PCM encoding, is greater than 1 indicates a compression encoding. Here is 0001H. 16H2byte1 for Mono, 2 for stereo, this is 0001H. 18H4byte sampling frequency, here is 00002B11H, which is 11025Hz. 1CH4byteByte rate is * of * = samp
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wav
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音频
分析
信息
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