Method for storing audio or video file based on DNA sequence and storage medium

A DNA sequence and video file technology, applied in the field of biological genes, can solve the problems of poor accuracy, single form, and the accuracy needs to be improved, and achieves the effect of improving accuracy, broad application prospects, and facilitating synthesis and editing

Active Publication Date: 2020-07-03
GENEIS TECH BEIJING CO LTD
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AI Technical Summary

Problems solved by technology

This method is only limited to the storage of text information, the form is relatively single, and it is a short sequence, so the accuracy of transcoding needs to be improved after assembly of a long sequence
[0007] To sum up, the current existing research on DAN sequence storage is mainly applied to pictures and texts, and there are few studies on the use of DNA sequences to store audio, video and other files. One of the main reasons for this is that the accuracy is poor.
Currently there is no effective way to improve the accuracy of encoding and decoding of these files

Method used

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  • Method for storing audio or video file based on DNA sequence and storage medium

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Embodiment

[0041] Selecting an audio file with a file size of 20 KB and a duration of 18 seconds for the encoding and decoding processing of this embodiment, the specific steps are as follows:

[0042] 1. Use the vi command to open the audio file under the Linux system, and enter: %! The xxd command converts it into a hexadecimal coded file, and then converts it into a binary coded file to obtain a 0 / 1 coded binary string file BF1;

[0043] 2. Replace the 0 / 1 string after binary encoding according to 00->C, 01->T, 10->A and 11->G to generate the base sequence S1 of ATCG with a size and length of 74,888bp. The GC content of the sequence is 62.995%;

[0044] 3. Convert the audio file to wav format to obtain a wav format file with a file size of 406KB, use Matlab software to open the wav format file, and obtain the audio data of a one-dimensional array of 207,360x 1, and its sampling frequency fs is 11,025, and do Formed into a waveform diagram, the waveform diagram is as follows figure...

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Abstract

The invention discloses a method for storing an audio or video file based on a DNA sequence and a storage medium. The method comprises the following steps: encoding a to-be-processed file into a binary file, further converting the binary file into a base sequence, and converting the to-be-processed file into an oscillogram; enabling the base sequences to correspond to the coordinates of the oscillogram in sequence to obtain a corresponding relation graph of the bases and the oscillogram coordinates. The method comprises the following steps: transcoding binary characters to eliminate repeated character strings in the binary characters, recoding the converted character strings to obtain an optimized base sequence, and carrying out base balance on the repeated sequence by adopting a label positioning replacement method to obtain a coded base sequence. According to the invention, DNA sequence-based information storage can be carried out on audios and videos, and the video and audio encoding and decoding accuracy is improved.

Description

technical field [0001] The present invention relates to the field of biological genes, in particular to the information storage of DNA sequences, especially the method and storage medium for storing audio or video based on DNA sequences. Background technique [0002] Since the 20th century, data storage methods have evolved from media such as tapes, floppy disks, and CDs to sophisticated memory chips that can store data in countless tiny transistors. Humanity's ever-increasing data has brought new pressures on storage methods. Under Moore's Law, the storage capacity of silicon chips has grown exponentially, and at the same time, the speed of new digital information produced by humans has also shown explosive growth. As of 2016, data users are producing more than 44 billion GB of data every day. According to IDC's prediction, by 2025, it will exceed 460 billion GB, and the total amount of data generated globally in that year will reach 160ZB (about 160 trillion GB). The st...

Claims

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Application Information

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IPC IPC(8): G06F16/71G06F16/51H04N5/76H04N5/92G16B25/00G16B30/20G16B50/00
CPCG06F16/71G06F16/51H04N5/76H04N5/92G16B25/00G16B30/20G16B50/00Y02D10/00
Inventor 郎继东田埂熊柯旭
Owner GENEIS TECH BEIJING CO LTD
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