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ASF is supported in Windows. In most cases additional codecs are not required (just install the latest version of Windows Media Player or Windows Media Codecs).";
break;
case 'avi':
txt="AVI (Audio Video Interleave) was defined by Microsoft and OpenDML File Format Subcommittee. It is the most common format for audio/video data on the PC. AVI is a container format with multiple audio and video streams. Video streams are compressed using video codecs, such as DivX, MPEG4 XviD, MJPEG. Audio streams are compressed using audio codecs: MP3 (MPEG Layer-3), WMA (Windows Media Audio), PCM, ADPCM etc.";
if (flg==1) txt=txt+"
AVI container is supported in Windows.";
break;
case 'mkv':
txt="MKV (Matroska) is a modern video/audio container format, created by the group of independent developers. It allows streaming across the Internet, fast seeking within a file and DVD-like chapter menus. Matroska container may include audio & video data compressed with any codecs.";
if (flg==1) txt=txt+"
Download and install Matroska Splitter. ";
break;
case 'mov':
txt="MOV (Quicktime) is a multimedia container file defined by Apple. It may contain several tracks with digitally encoded video and audio streams (using a specific compression method or a codec such as Cinepak, Sorenson codec, MP3, JPEG, DivX, PNG etc.). QuickTime has limited support for MPEG-4 (not very good compression and quality).";
if (flg==1) txt=txt+"
Download and install Quicktime Alternative v1.70 (this is a tested stable version, other versions may not work). ";
break;
case 'mp4':
txt="MP4 is an international standard, modern container format. It has high support on hardware devices, such as the Sony PSP and various DVD players. MP4 is most-commonly used to store digital audio and digital video streams, especially those defined by MPEG, but also can be used to store other data such as subtitles and still images. MP4 allows streaming over the Internet. ";
if (flg==1) txt=txt+"
In order to read MP4 files you must download and install Mpegable DS Decoder.";
break;
case 'mpg':
txt="MPG (MPEG) is a compression format, a standard developed by Moving Picture Experts Group. There are two MPG standards: MPEG-1 and MPEG-2. MPEG-1 is relatively old video/audio format. It is used in Video CD. The output quality at usual VCD bit rates is roughly that of a VCR. MPEG-2 is used nowadays to encode audio and video for broadcast signals, including direct broadcast satellite and Cable TV. MPEG-2, with some modifications, is also the coding format used by standard commercial DVD movies.";
if (flg==1) txt=txt+"
MPG with MPEG-1 compression is supported in Windows. In order to read MPG with MPEG-2 compression you must download and install MPEG-2 Decoder.";
break;
case 'ogm':
txt="OGM (OGG Media) is a container format for video, audio and subtitle streams, developed by Tobias Waldvogel. Audio and video streams stored inside OGM container can be compressed using any codecs. OGMs most often carry video encoded in the XviD format and audio in Ogg Vorbis or AC-3 (Dolby Digital).";
if (flg==1) txt=txt+"
Download and install Ogg Vorbis Decoder. ";
break;
case 'rm':
txt="RM (RealMedia), RV (RealVideo) or RMVB (RealMedia with Variable BitRate) is a multimedia container format created by RealNetworks. It is popular for streaming content over the internet (streaming video can be used to watch live television). RM container can be used with several predefined RealVideo and RealAudio codecs.";
if (flg==1) txt=txt+"
Download and install Real Alternative. ";
break;
case 'vcd':
txt="VCD (Video CD) is a standard digital format for storing video/audio on a Compact Disc. The standard was created by Sony, Philips, Matsushita, and JVC. Overall picture quality is intended to be comparable to VHS video, though visual artifacts may be noticeable in some cases. VCD is encoded as MPEG-1.";
if (flg==1) txt=txt+"
External codecs are not required. Just open MPEGAV folder on CD and add AVSEQ0[1-9].DAT files into playlist.";
break;
case 'vob':
txt="VOB (DVD Video Object) is a file type of DVD-Video discs. It contains video and audio streams. VOB is encoded as MPEG-2. ";
if (flg==1) txt=txt+"
Download and install MPEG-2 Decoder.";
break;
case 'wmv':
txt="WMV (Windows Media Video) file format equals to ASF file format. WMV is a video codec developed by Microsoft. This video codec can support digital rights management facilities intended to protect intellectual property rights. Besides being one of the most popular codecs for distributing video on the Internet, the codec is also used to distribute high definition video on standard DVDs in a format Microsoft has branded as WMV HD. This WMV HD content can be played back on computers or compatible DVD players. WMV codec is often used inside ASF files, that is why in some cases ASF files are renamed to WMV.";
if (flg==1) txt=txt+"
WMV is handled by Windows. You must install the latest version of Windows Media Player or Windows Media Codecs.";
break;
case 'aac':
txt="AAC (Advanced Audio Coding) is a modern digital audio format, developed by Dolby, Fraunhofer, AT&T, Sony and Nokia. Audio quality of AAC is better than MP3 and AC3. Also, improved audio compression provides higher-quality results with smaller file sizes. Many mobile phones from the big manufacturers such as Nokia, Motorola, Samsung and Sony Ericsson have supported AAC playback as standard. The new PlayStation Portable also can play AAC files.";
if (flg==1) txt=txt+"
Download and install Corecodec AAC Decoder and Parser.";
break;
case 'ac3':
txt="AC3 (Dolby Digital) is a digital audio format developed by Dolby Laboratories. AC3 supports 6 sound channel output ( 5.1 standard ). Dolby Digital audio is used on DVD Video discs. It is the standard audio format for High Definition Television (HDTV), and is being used for digital cable and satellite transmissions.";
if (flg==1) txt=txt+"
Download and install AC3 Decoder.";
break;
case 'aiff':
txt="AIFF (Audio Interchange File Format) is a file format for storing digital audio (waveform PCM) data developed by Apple. The AIFF format does not support data compression so AIFF files tend to be large. AIF files are used on Macintosh computers.";
if (flg==1) txt=txt+"
AIFF format is supported in Windows.";
break;
case 'ape':
txt="APE (Monkey’s Audio) is a file format for storing audio data using lossless audio codec, developed by Matthew T. Ashland. Unlike traditional methods such as mp3, ac3, or aac that permanently discard quality to save space, Monkey’s Audio only makes perfect, bit-for-bit copies of music. That means it always sounds perfect – exactly the same as the original. Also, the level of compression is high (comparable to zip files).";
if (flg==1) txt=txt+"
Download and install RadLight APE DirectShow Decoder.";
break;
case 'au':
txt="AU (Sun Audio) is one of the most common audio formats used on the Web. It was created by Sun Microsystems. Most browsers support the AU format with their internal sound players. AU files may be compressed using various codecs such as µ-law, a-law and G.72x ADPCM.";
if (flg==1) txt=txt+"
AU format is supported in Windows.";
break;
case 'cda':
txt="CDA (CD Audio) are audio files stored on music CDs. If you buy a commercial CD from a store, the music on that CD is stored in CDA format. The CDA files are representations of CD audio tracks. ";
if (flg==1) txt=txt+"
Download and install CDDA Reader. ";
break;
case 'flac':
txt="FLAC (Free Lossless Audio Codec) is a popular format for audio compression created by group of independent developers. FLAC is similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality. This is similar to how Zip works, except with FLAC you will get much better compression because it is designed specifically for audio. FLAC is popular among owners of CDs and other media who wish to preserve their valuable audio collections. If the original media is lost, damaged, a FLAC copy of the audio tracks ensures that an exact duplicate of the original data can be recovered at any time.";
if (flg==1) txt=txt+"
Download and install CoreFlac Decoder.";
break;
case 'mid':
txt="MIDI, is an industry-standard audio format that defines each musical note in an electronic musical device such as a synthesizer. MIDI does not include audio data, it has digital information about musical notes, instruments and effects. Almost all music recordings today utilize MIDI as a key enabling technology for recording music. MIDI is adopted into mobile phones (to play back ringtones). MIDI is also used to provide game music in some video games.";
if (flg==1) txt=txt+"
MIDI format is supported in Windows. You can only play (but not convert) MIDI files. ";
break;
case 'mka':
txt="MKA (Matroska Audio) is a modern audio container format, created by the group of independent developers. It allows streaming across the Internet, fast seeking within a file. Matroska container may include audio data compressed with any audio codec.";
if (flg==1) txt=txt+"
Download and install Matroska Splitter.";
break;
case 'mpa':
txt="MPA is an elementary MPEG-1 Audio Stream. There are three modifications of MPEG-1 Audio: Layer I, Layer II and Layer III. MPA stands for MPEG-1 Layer I or II (it may include audio data compressed with the first or the second MPEG-1 audio codec). MP2 is only MPEG-1 Layer II (the second type of MPEG-1 audio codec). And finally, MP3 is MPEG-1 Layer III (the third type of MPEG-1 audio codec).
MPEG-1 Layer I is the simplest MPEG audio format, providing the least compression.
MPEG-1 Layer II (MP2) has compression benefits over Layer I. It is used in Video CD, Super Video CD and DVD. MPEG-1 Layer II is a dominant standard for audio broadcasting as part of the DAB digital radio and DVB digital television standards. It is also used internally within the radio industry.";
if (flg==1) txt=txt+"
Download and install FFDSHOW.";
break;
case 'mp3':
txt="MP3 (MPEG-1 Audio Layer 3) is a popular lossy audio compression format, invented by a team of engineers directed by the Fraunhofer Society. MP3 greatly reduces the amount of data required to represent audio (by discarding portions that are considered less important to human hearing). MP3 enjoys extremely wide popularity and support, not just by end-users and software but by hardware such as portable media players (MP3 players) DVD and CD players.";
if (flg==1) txt=txt+"
MP3 decoding is supported in Windows.";
if (flg==2) txt=txt+"
Download and install MP3 Audio Encoder.";
break;
case 'ogg':
txt="OGG is a media container format (generally used for audio data) developed by Xiph.Org. Audio stream stored inside OGG container can be compressed using any codec, but OGGs most often carry audio encoded in the OGG Vorbis format. OGG Vorbis is a lossy audio codec. It is popular among open source communities, because Vorbis is completely free, open, and unpatented. OGG Vorbis is used in video games, on many websites. Also, national radio stations such as Radio France, CBC Radio, Virgin Radio provide Vorbis audio streams.";
if (flg==1) txt=txt+"
Download and install Ogg Vorbis Decoder.";
break;
case 'ra':
txt="RA (Real Audio) is the audio container format developed by RealNetworks. It may contain only Real Audio codecs. Internet radio stations use Real Audio format to stream their programming over the internet in real time (audio is played at the same time as it is downloaded). It is a reliable format and provides acceptable quality in all given bitrates and all kinds of music. Real Audio has exceptionaly fast encoding and efficient streaming algorithms. ";
if (flg==1) txt=txt+"
Download and install Real Alternative. ";
break;
case 'wav':
txt="WAV (WAVE, Waveform) is an audio file format developed by Microsoft and IBM. It is a standard for storing audio on PCs. WAV file can hold audio compressed with any codec (including MP3, IMA ADPCM, Windows Media Audio V2, Microsoft ADPCM, GSM etc.). WAV format is wide spread with all kinds of software, so it helps to exchange sound files between different programs. It is the main audio format used on Windows systems.";
if (flg==1) txt=txt+"
WAV decoding is supported in Windows";
break;
case 'wma':
txt="WMA (Windows Media Audio) file format equals to ASF file format. WMA is an audio codec developed by Microsoft. This audio codec can support digital rights management facilities intended to protect intellectual property rights. A large number of consumer devices, ranging from portable hand-held music players and handphones to set-top DVD players, support the playback of WMA files. Also, new PlayStation Portable allows to play WMA. WMA codec is often used inside ASF file, so ASF files are renamed to WMA in many cases.";
if (flg==1) txt=txt+"
WMA is handled by Windows. You must install the latest version of Windows Media Player or Windows Media Codecs.";
break;
case 'bmp':
txt="BMP (Bitmap Format) is the standard graphics format used in the Windows environment. Windows BMP file offers significant advantages because of its simplicity. It also has the advantage of being highly standardized and extremely widespread. Image processing programs from many operating systems can read and write Bitmap Format. BMP files are usually not compressed.";
if (flg==1) txt=txt+"
BMP format is supported in Windows.";
break;
case 'gif':
txt="GIF (Graphics Interchange Format) is an image format introduced by CompuServe. GIF has 256-colour limitation, but supports lossless compression (image compression without quality degradation). It is the second popular image format commonly used on Web sites. It also supports animation. GIF is an ideal choice for storing small low-resolution images. Most web page logos and design element images are GIF.";
if (flg==1) txt=txt+"
GIF format is supported in Windows.";
break;
case 'jpg':
txt="JPG or JPEG (Joint Photographic Experts Group) is one of the best formats to store digital images (especially photographs and images with smooth variations of color). It is the most popular image format commonly used on Web sites. JPEG is often used on digital camera memory cards. The JPG file is wonderfully small, often compressed to perhaps only 1/10 of the size of the original data, which is a fantastic compression efficiency. JPEG uses lossy image compression techniques (with minor quality decrease, in most cases unnoticeable for human eye). Higher image quality corresponds to the lower compression. Typical choice is High Quality (85-95%) or Average Quality (60-80%).";
if (flg==1) txt=txt+"
JPG format is supported in Windows.";
break;
case 'tga':
txt="TGA (TARGA) is an image file format created by Truevision. The Targa format is used by several high-end paint, CAD programs. It is popular in animation industry. TGA supports lossless compression (without quality degradation). ";
if (flg==1) txt=txt+"
TGA format is supported in Windows.";
break;
case 'm3u':
txt="M3U is a playlist file format originally implemented by Nullsoft. The format is supported by many multimedia applications. M3U contains the locations of audio/video files to be played in a media player. If you want to ensure that your playlist reaches the widest possible audience, an M3U metafile is the way to go. ";
if (flg==1) txt=txt+"";
break;
case 'pls':
txt="PLS is a file format for storing multimedia playlists. It contains the locations of audio/video files. PLS is highly proprietary format and is recognized only by a few players. ";
if (flg==1) txt=txt+"";
break;
case 'imaadpcm':
txt="IMA ADPCM (Adaptive Differential Pulse-Code Modulation) is an audio codec developed by International Multimedia Association. The format was designed specifically for desktop audio applications. Files compressed with IMA ADPCM can sound indistinguishable from the original uncompressed version. This is a variant of the ADPCM that is widely used in the telecommunications industry. IMA ADPCM files are portable. There is a real advantage in having compact files that can be played on most Windows PCs.";
if (flg==2) txt=txt+"
IMA ADPCM is directly supported in Windows.";
break;
case 'msadpcm':
txt="MS ADPCM (Adaptive Differential Pulse-Code Modulation) is an audio codec developed by Microsoft. It provides high-quality 4:1 for compression, and is best for audio streams associated with video. Microsoft ADPCM codec is recommended for high quality telephone recording, for recordings of meetings or conversations where capturing the emotions behind the words is also important. This codec is ideal for talk show Internet broadcasts.";
if (flg==2) txt=txt+"
Microsoft ADPCM is directly supported in Windows.";
break;
case 'wmav2':
txt="WMA V2 (Windows Media Audio V2) codec was developed by Microsoft. It is widely used instead of MP3. WMA V2 has good audio quality and high level of compression. This codec can be used for compression of music, sounds and speech. ";
if (flg==2) txt=txt+"
The codec is included in Windows Media Player 9 or Windows XP SP2. If you have older version of Windows Media Player, then download and install Windows Media Codecs.";
break;
case 'gsm':
txt="GSM 6.10 (Global System for Mobile communications) is a standardized lossy speech codec employed by first generation of digital mobile phones in Europe. It is optimized for the compression of human speech (telephone quality). GSM can be found in use in various telephony products such as voice mail applications. ";
if (flg==2) txt=txt+"
GSM is directly supported in Windows.";
break;
case 'dsp':
txt="DSP Group TrueSpeech codec was developed by DSP Group of Santa Clara California. This compression method was created specifically to address the requirement of recording human speech. The codec is an excellent choice for recording dictation. One hour of Truespeech recording can fit into about 4.5mb of disk space. We suggest the use of Truespeech for dictation where the speaker`s emotions are irrelevant.";
if (flg==2) txt=txt+"
DSP Group TrueSpeech is directly supported in Windows.";
break;
case 'pcm':
txt="PCM (Pulse-Code Modulation) is the most common format used in WAV files. PCM uses an uncompressed, lossless storage method, which keeps all the samples of an audio track. Professional users or audio experts may use the WAV PCM format for maximum audio quality. It can also be edited and manipulated with relative ease using audio software.";
if (flg==2) txt=txt+"
PCM is directly supported in Windows.";
break;
case 'divx':
txt="DivX is a commercial MPEG-4 digital video codec created by DivX, Inc. Many newer DivX Certified DVD players are able to play DivX encoded video files.";
if (flg==2) txt=txt+"
Download and install DivX Codec.";
break;
case 'xvid':
txt="XviD is the best ISO MPEG-4 digital video codec created by independent group of programmers. XviD is not only better than DivX, but it's also free. XviD can be played with certain MPEG-4 compatible, stand-alone DVD/DivX/XviD players. XviD technology can compress digital videos 5 to 10 times more than the MPEG-2/DVD format and hundreds of times over raw digital video, so you can fit several XviD movies on a single DVD-R, CD disc, or transfer them easily online. The quality of the codec is extremely good. With XviD, you can take any digital video content and store it on your computer`s hard drive without spending huge amounts on extra storage. Many new DVD players are able to play XviD encoded movies.";
if (flg==2) txt=txt+" Download and install XviD Codec.";
break;
case 'dv':
txt="DV (Digital Video) is the standard compression method for many video editing programs and digital video cameras. It was created by a consortium of 10 companies (including Sony, Philips, Sharp, Toshiba). The DV Codec is widely recognized as offering the best quality and rendering speed. Video compressed with DV Codec requires a lot of free hard disk space (Digital Video compression takes up about 250 megabytes per minute or 13 gigabytes per hour). ";
if (flg==2) txt=txt+"
DV is directly supported in Windows.";
break;
case 'huffyuv':
txt="HuffYUV is a very fast, lossless video codec created by Ben Rudiak-Gould. Lossless means that the compressed video is bit-for-bit identical with the original video. So, video data compressed with this codec requires a lot of free hard disk space (HuffYUV compression takes up about 500 megabytes per minute). It is highly recommended to use HuffYUV for video editing before encoding to a lossy formats, like DivX or XviD. ";
if (flg==2) txt=txt+"
Download and install HuffYUV Codec. Unzip the files to a temporary directory, right-click on the huffyuv.inf file and select 'Install'.";
break;
case 'mjpeg':
txt="MJPEG (Motion JPEG) is a codec that simply compresses each video frame using JPEG image format. It is used sometimes for video capture (IP based video cameras) and for video editing. The format is not standardized. Motion JPEG has good quality, but video data compressed with this codec requires a lot of free hard disk space (MJPEG compression takes up about 1.5 gigabytes per minute). MJPEG is suited for television resolution video.";
if (flg==2) txt=txt+"
MJPEG is directly supported in Windows.";
break;
case 'cinepak':
txt="Cinepak is a video codec, developed by Radius Inc. It was at one time the standard for distribution of video via CD-ROM. Every Windows or Mac machine comes with Cinepak preinstalled, giving it near-universal compatibility. However, while the compatibility is great, Cinepak`s technology is optimized for using only on old PCs.
The codec allows to create good-looking videos. Video data compressed with Cinepak does not take much processor resources to play back, so it may be a possibility if you need your video to be played on older machines.";
if (flg==2) txt=txt+"
Cinepak is directly supported in Windows.";
break;
case 'ffdshow':
txt="FFDSHOW is the best free video/audio decoder. It supports decoding of MANY video, audio formats, and features postprocessing capabilities. ";
if (flg==2) txt=txt+"
";
break;
case '':
txt="";
if (flg==2) txt=txt+"
";
break;
}
return txt;
}
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