convert audio file to transcript

. SolutionPress the button and go to the source code directory. install it in three steps (configuer, make, make install). Use./configure.-- Help: Check the installation configuration options.Use ffmpeg to extract and convert the audio from the flv File First, view the FLV file information:[WHB @ jcwkyl introduction_

a video of 1.5 hours (5400 seconds) and want to convert the file size to 700 mbThe calculation method is as follows:700 × 8 Gb/s 5400 × 1024 ≈ 1061 kbpsThis means that as long as the Audio Encoding rate is added with the video encoding rate of 700 KB, the size of the file after the conversion of the video in one and a

PCM file: Analog audio signal via analog-to-digital conversion (A/D transform) directly formed binary sequence, the file has no additional file headers and file end flags. The Windows Convert tool converts files in PCM

Gx::transcoder can convert audio and video files in the following formats: MP3, MP2, AVI (MPEG 1,4 DivX, Cinepak, uncompressed + Audio MP3, alf2cd PCM, ADPCM), RM, WMV , Ogg Vorbis, ALF2CD, DSP, U-law, g.721, g.723, g.726, WMA, RAW, ADPCM supports VBR for MP3 and Ogg. It can also be used to catch CD tracks. supported Formats:

Many popular TV series and programs can be downloaded from Sohu audio and video. Recently, I found that the format of the video downloaded from Sohu audio and video is not the previous MP4, but the encrypted IFOX. So how can we easily and quickly convert the format? Next I will use my win7 computer to teach you how to implement it in a super simple way.Example1.

Convert the file test. Avi to test. FLV.FFmpeg-I test. Avi-AB 56-ar 22050-B 500-r 29.97-s 320x240 test. FLVThumbnail capture of files:FFmpeg-I "test. Avi"-y-F image2-ss 4-T 0.001-s 350x240 test.jpgCapture existing FLV files:FFmpeg-I "test. FLV"-y-F image2-SS 8-T 0.001-s 350x240 test.jpg FFmpeg conversion command (test failed)FFmpeg-y-I test. Avi-bitexact-vcodec h263-B 128-R 15-s 176x144-acodec AAC-AC 2-ar 2

How to convert a PPT file to a PDF fileFor users who frequently use office software, they can save all required files (external files such as PPT playback programs, ppts files, and audio and video files) in PDF files, which is not only convenient, it can also protect source files. In this case, is there a PPT conversion to PDF converter that can

All users who have used iQiYi client to download Videos should know that the video files downloaded from the client are very special. Why is it so special, iQiYi video adopts the high-definition encrypted qsv format. In addition to protecting file copyrights, this video format also provides a business strategy, files in this qsv format can only be played on iQiYi client, and cannot be opened by any other player. I have to say that the people who propo