how to transcribe audio file

Mediarecord can be used for recording in Android, which is easy to operate. However, it is not professional enough to Process audio. If you want to process audio in real time or encapsulate the audio You can use audiorecord for recording. Here is a piece of code. Audio Recording in audiorecord and

When digital sound is stored and processed in a computer, its data must be organized in the form of files, and the file format chosen must be supported by the operating system and application software. Sound file formats used in different computer-level applications are not the same. Common digital audio formats

MCI plays MP3 audio file routinesThe source file needs to include the header file Mmsystem.h, and the library Winmm.lib is added to the Project->settings->link->object/libray module. Or add code #pragma comment (lib, "Winmm.lib")Mci_open_parms op;void Cmcidlg::onplay (){Todo:add your control notification handler code h

I. Upload and play audio files Find a third-party control named aspnetpager on the Internet and reference the aspnetpager. dll file to the bin of the project. It can be called directly on the webpage. Reference namespace using telerik. webcontrols; > Upload CopyCode The Code is as follows: protected void button#click (Object sender, eventargs E) { Foreach (uploadedfile

) {2.1 The URL of the audio fileNsurl *url=[[nsbundle Mainbundle]urlforresource:filename Withextension:nil];if (!url) return no;//if the URL is empty, go straight back2.2 Creating the viewerPlayer=[[avaudioplayer Alloc]initwithcontentsofurl:url Error:nil]; 2.3 Buffersif (![ Player Preparetoplay]) return no;//If the buffer fails, then go straight back2.4 In a dictionary[Self musices] [Filename]=player;}3. Playif (![ Player IsPlaying]) {If it is not cur

C # Call mciSendString to play the audio file, The mciSendString function is a WinAPI used to send string commands to the Media Control Interface (MCI) device. I. function declaration: Private static extern long mciSendString (string command, // MCI command string returnString, // buffer that stores feedback int returnSize, // The length of the buffer IntPtr hwndCallback // the handle of the callback window

AMR Audio file Format analysis1 Overviewtoday, many smartphones support multimedia features, especially audio and video playback, and the AMR file format is an audio file format commonly supported on mobile phones. Amr, the full n

Video: Mp4/m4v/3gp/mpg, flv/f4v/swf, AVI, GIF, WMV, RMVB, MOV, MTS/M2T, webm/ogg/mkvMP4 format is the most common kind of video file format, it now uses the video encoding is not the original MPEG4, but H.264/AVC video encoding and AAC audio encoding. It is a commercial video coding, the need for copyright fees abroad, generally more commonly used processors will have a hardware encoding and decoding the fu

I. Description: Recently I want to test the driver, so I am working as a wave file parser to obtain PCM audio data in the wave file. Ii. program code: # Include # Include Typedef int DWORD;Typedef unsigned short word;Typedef struct _ riff_header{Char riffid [4]; // 'R', 'I', 'F', 'F'DWORD riffsize;Char riffformat [4]; // 'w', 'A', 'V', 'E'} _ Riff_header; Type

http://blog.csdn.net/qq_19079937/article/details/43191211Inside the MP4 structure, the HDLR field (specifically in ROOT->MOOV->TRAK->MDIA->HDLR) contains the stream is a video or audio or letter.FFmpeg Code:In the FFmpeg code, use the Codec->codec_type in the stream to determine what kind of flow the stream is.The 12th part of the ISO_IEC_14496 International standard is marked as follows:In the MP4 file, se

I. Upload and play audio filesFind a third-party control named AspNetPager on the Internet and reference the AspNetPager. dll file to the Bin of the project. It can be called directly on the webpage. Reference namespace using Telerik. WebControls;> UploadCopy codeThe Code is as follows:Protected void button#click (object sender, EventArgs e){Foreach (UploadedFile file