how to convert mp4 into wav

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.

, you must first have a qsv format conversion tool. On the Internet, we can see that many people are looking for methods to convert qsv to MP4. However, due to the special qsv format, few tools can convert qsv files, if you really want to convert qsv to another format, you can try the quick Video Converter.

Win7 system Ifox Video format How to convert MP4 video format: 1, the download of the video file suffix from ". Ifox" to ". mp4" can be played in other players; 2, if the change is still unable to play, it may be that you have hidden the file type extension. Actions are as follows: Find tools-Folder Optio

[] pbaacbuffer;}Int wavtoaac (const char * wavdata, int wavdatalen, char * aacdata ){/*** Convert WAV audio data of the length of wavdatalen into AAC and write aacdata* If AAC data is successfully returned, the value-1 is returned if an error occurs.*/If (hencoder = NULL ){Return-1;}Int32 ninputsamples = 0;Int32 readpcmbytesum = 0;Int32 writeaacbytesum = 0;Int32 naacencret = 0;Int32 J = 0;Int32 K = 0;While

Video refers to a series of static images continuous image changes per second more than 24 frames (frame) screen above, according to the principle of visual persistence, the human eye can not identify a single static picture; Looks like a smooth, continuous visual effect. Today we are going to talk about how to convert the video format, the following will use the video converter, the small part of the recommended is a quick Video converter , see below

To open the already installed format factory, we see that the format factory provides a very very many format conversion way, basically covers all! As shown in the picture: As a demo, assume that this side we need to convert WMV format files to MP4 format files, the author clicks the box in the diagram to

InitializationPlugin.DL_Speak.ini ("yxme64uttbjhv0r620180302005400")Get the pronunciation clerk that exists in the systemSS = Plugin.DL_Speak.GetLanguageMessageBox SSSet the pronunciation of the system voice library 0 1 2 3Plugin.DL_Speak.SetLanguage 0Set pronunciation speed +50Plugin.DL_Speak.Rate 50Read the custom textPlugin.DL_Speak.Speak ("But Tretfdgfd of Guangdong Province, a wide range of widely-held Guangdong province Guangdong province")

// Mmsystem play audio in WAV format// Mmsystem supports *. wav sound format snd-> soundrecorderUsesMmsystem; // reference mmsystem// Play the system sound{. Default // This is a string ('str ').MailbeepSystemexclamationSystemexitSystemhand}Playsound ('systemeg', 0, snd_async); // A pchar string// Play the sound in the