convert audio file to transcript

The audio file is stored in the database using binary, what method does PHP have to convert binary into audio file?

=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

Title: Audio-convert-mod: Audio conversion in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Audio-convert-mod: completes

When audio files are stored in the database in binary format, can php convert binary data into audio files? RT: Just read the file and write it again. Both the database and php will not take the initiative to change the type of data to be stored when the data is stored, so as to avoid confusion in the future, store the

The first three articles have explained in detail how to convert the WAV audio format to the FLV format. This article describes how to convert the last part, first, the AMR is converted into WAV format, and then the WAV format is encapsulated FLV format. The key part of this article is the part in the while loop. The other part can be skipped. The function d_if_d

Microsoft Expression encoder is a part of Microsoft expression. Its main function is to convert and recode media files, such as converting video or audio files into formats supported by the web, you can also Convert audio and video file formats to the formats supported by Mi

Http://linux.51yip.com/search/ffmpeg# ffmpeg-y-i "1.avi"-title "Test"-vcodec xvid-s 368x208-r 29.97-b 1500-acodec aac-ac 2-ar 24000-ab 128-vol 200 The-F psp-muxvb 768 "output.wmv" is explained below:-y overwrites the output file, that is, if the output.wmv file already exists, overwrite it without prompting-I "1.avi" input file is a 1.avi

: $ Wget https://launchpad.net /~ Format-junkie-team/+ archive/release/+ files/formatjunkie_1.07-1 ~ Raring0.2 _ amd64.deb $ Sudo gdebi formatjunkie_1.07-1 ~ Raring0.2 _ amd64.deb $ Sudo ln-s/opt/extras.ubuntu.com/formatjunkie/formatjunkie/usr/bin/formatjunkie Install Format Junkie in Ubuntu 14.04 or later The available official Format Junkie. deb file requires a libavcodec-extra-53, but it has become obsolete since Ubuntu 14.04. If you want to in

why convert to audio format Recently in instant messaging, there are always several types of files about voice recording, but you want to interoperate with Android for audio. Then convert the MP3 format audio file or AMR format

My requirement is to be able to record multiple files, the last generated file format is mp3 form, looked up the various information, because Swift cannot directly record the audio as the MP3 format, so finally I took the solution to the first to convert each individual file to MP3, and finally merged to form a MP3 fil

sample = 0; sample Iii. re-sampling Sampling is a complex part of this article. ==============================, Principles ===============================7. A simple re-sampling algorithm The principle is to increase or decrease the distance between sampling points. Of course, it is obvious that if the new sampling rate is greater than the old one, it is meaningless, resulting in many simple repetition points. If the new sampling rate is smaller than the old one, it will be pulled back at the

How to convert common audio formats under LinuxJune 28, 2008 15:47:00Hits: 781Often on the electric donkey download the ape image of the CD, after downloading to restore to WAV format, then split and extract their favorite songs, and then into the ape into the computer, but also transferred to MP3 into the MP4 player. Now summarize how the various formats are converted between Linux. The most common

PCM file: Analog audio signal is directly formed by the analog-to-digital conversion (A/D transform) binary sequence, the file has no additional file header and file end flag. The Convert tool in Windows can

1, download the software and install Mkvtoolnix, double-click to open the software. 2, the need to convert the video dragged to the software "Input File" dialog box 3, the "track, chapter and label" of the first video track removed, only to save audio track. 4, the "Output f