mp3 audio file

24kbps= Add telephone quality, shortwave radio, long wave Broadcasting, medium wave broadcast in European format 40kbps= American Standard medium wave Broadcast 56kbps= Voice 64kbps= add voice (mobile ringtone Best bit rate setpoint, phone mono MP3 player Best Set Value) 112KBPS=FM FM Stereo Broadcast 128kbps= tape (best setpoint for cell phone stereo MP3 player, low-end

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

value for cell phone ringtones, the best setting value for mobile phone single channel MP3 players) 112 kbps = FMFM stereo broadcast 128 kbps = tape (the best value for mobile phone stereo MP3 players and the best value for low-end MP3 players) 160 kbps = HIFI (the best value for medium and high-end MP3 players) 192 k

Source text: http://blog.csdn.net/dancewyr/article/details/7183572MCI 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 commen

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

Core Tip: This article describes two ways to embed an audio file in a flash document so that it can play correctly in Flash Player.This article describes two ways to embed an audio file in a flash document so that it can play correctly in Flash Player. 1, the establishment Sound object uses the load () method to load

bit rate too much,The screen effect is not obvious. While MKV is H.264 encoded and used for HD videos. The 1080p image rate reaches 30 Mbps.Of course, the formula for calculating files not compressed is different:Sound:, data volume (bit/second) = (sampling frequency (HZ) * sampling bit (BIT) * number of channels)The number of single-channel channels is 1, and the number of stereo channels is 2.Data size * time/8 = total file bytesFor example, CD is

To play audio in HTML5, you need to use the following code:controls> src= "Horse.ogg" type = "Audio/ogg" > src= "Horse.mp3" type= "Audio/mpeg"> Your browser does not support the audio element. audio>Control property for adding play, pause, and volume controlsBetween T

iOS Development extension-Package audio file Playback Tool classA simple explanation1. A brief description of music playback(1) music plays with a class called Avaudioplayer(2) Common methods of AvaudioplayerLoading music files-(ID) Initwithcontentsofurl: (nsurl *) URL error: (nserror * *) Outerror;-(ID) Initwithdata: (NSData *) Data error: (NSERROR * *) Outerror;Ready to play (buffer, improve the smoothnes

This article describes two ways to embed an audio file in a flash document so that it can play correctly in Flash Player. 1, the establishment Sound object uses the load () method to load the external MP3 to play; 2. Let the Sound object monitor the Sampledata event so that the sound generated dynamically by the program can be played, for example: The followin

As we all know, HTML5 audio tag can support WAV, WEBM, MP3, OGG, ACC and other formats, but there is a very important music file format midi (extension mid) But there is no built-in support in the major browsers, Because the mid file does not record the sound's sampled information like other sound files, it records the

sound quality of the DVD When decoding AAC audio with a sampling rate of 44.1kHz, the decoding time of a frame must be controlled within 23.22 milliseconds. Background knowledge: (An AAC original frame contains 1024 samples and related data over a period of time) Analysis: 1 AAC Playback time of the audio frame = number of samples/sample frequency (in s) for the corresponding sample of an AAC frame A frame

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

) {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

PHP code for saving remote files to the server (including using getid3 to retrieve audio file attributes) lt; metacharset = UTF-8/ gt; lt; forpolichod = "post" gt; lt; inputname = "url" size = "50" value = "http://www.mgyyw.c PHP for saving remote files to server code (including using getid3 to retrieve audio file

Install the CD audio file Extraction Tool Flacon Flacon is a Qt tool used to extract personal tracks from Audio CD and extract information such as WavPack, APE, FLAC, WAV, and True Audio from CUE files. The application provides specific output format settings: You can set output quality, compression, and so on except R

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

=Nfilelen; Nwrite= Fwrite (wave_head,1, NSize, dest_wave_file); if(Nwrite! =nSize) {fclose (src_pcm_file); Fclose (Dest_wave_file); return-4; } fclose (Src_pcm_file); Fclose (Dest_wave_file); return 0; } };intMainCharargs []) {Pcm2wave pp; Pp.set_sample_rate (11025); Pp.change ("JJ.PCM","Jj.wav"); return 0 ;}Wave.h header Filetypedefstructwave_head{Charriff_char[4];//"RIFF" char riff_id[4]= "RIFF" intPackage_len;//Total

PHP obtains information about the audio file, Project requirement: Now there is an audio file upload function. After uploading, PHP needs to obtain information about the audio file, such as the duration, since this

PHP saves remote files to server code (including using GETID3 to get audio file attributes)