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What are the advantages and disadvantages of lossless and lossy compression?
Lossless compression results in a closer representation of the original media, and thus a higher quality end product. The disadvantage is that the resulting file will be larger than if you had used a lossy compression format. Lossy compression can give you a smaller file size, but the resulting end product may be in some ways inferior to the original.
Is PNG a good file format for printing purposes?
Yes, PNG is a good file format for printing purposes because it supports high-quality images with transparency and lossless compression, making it suitable for detailed graphics and images.
What is the best file format and codec for audio?
Apple Lossless Format I believe. I think any Lossless format is best for soundquality, as it compresses much less of the original versionAnswer^If anything rip 360 bit rate .MP3 file format. Works with all MP3 players, phones and sounds fairly good. One draw back is file size, however, with Storage space getting cheaper and cheaper no one should worry about file size. Go for quality, your ears will appreciate it.360 MP3 does not exist. The highest bit rate it can go is 320. Since MP3 is lossy (and the technology dates back to 1980s) it is not a quality sound file.While 320 MP3 is a decent audio format for a portable player, it is lossy, ergo it is not the best sound quality. Apple Lossless is obviously lossless but the greatest audio format is FLAC, 'free lossless audio codec.' I have OK Computer by Radiohead playing at bit rates of greater than 3000!^ the best is .wav / 32 bit float / 48.000 khz, whick reaches up to 6144 kbps!!^FLAC is the best audio format for performance and quality. FLAC is lossless so it will always be as good as the source material. A higher bitrate in mp3 format was either unnecessary or would have been the same if encoded in FLAC.i would have to disagree with all of you i have tested flac. ogg. wmv ect and i think .ape is better especially over .flaci still think .ogg is better than .mp3 though!!^i disagree.wav is the best audio format. it is a lossless compression which does not lower the quality of the audio like .mp3 might do with very soft or very loud sounds..wav is also the format many labels use, so more softwares are available out there to edit and play .wav audio filesthe first part i got from my college textbook about audio editing, "a multimedia approach" by GuzdialMost all of these answers are good, but it depends what you're looking for. All of these formats can have completely different outcomes depending on your Hardware / Software. Audio files such as WAV, FLAC, and AIFF are all very good, but It's capabilities are specified in it's usage. Running Logic Pro on a Mac is completely different than using Ableton or FL on a PC. If you are looking for the HIGHEST POSSIBLE QUALITY ACHIEVABLE, then you might want to look into some of the Application specific files. I guess what I'm saying is, is find what fits your tastes. If you're producing, you can get just about as crazy with things with files size for crystal clear sound as you want, but if you're listening to mainstream audio, I'd go for something very compatible such as the WAV Format.
If you rip music into windows media audio lossless when you convert it to mp3 would you not be able to fit as many songs on the CD?
If you rip the MP3's to the same bitrate, they final files should be very similar in size, as the bitrate determines the bulk of the filesize for mp3's. Only the tags, that normally make up less than 2% of the final filesize, might be different. Thast if you were comparing a disc of MP3s to a disc of WMAlossless-> MP3s. If you were converting the MP3s and WMA lossless to .wav, or making a proper audio CD by some other method, then the amount of data you can fit should be exactly the same. Though, to be honest, I have no idea why you would rip WMAlossless-> Mp3. It would be a lot easier to just rip to MP3 in one step if they are what you want, and if you wanted both MP3s (for playing on portable players) and lossless (for playing on your computer) then other lossless formats might be a better choice (try Flac). WMA lossless is not a very good format.
Which picture format saves memory better - JPEG or png?
GIF format is limited to 256 colors and is a lossless compression file format, a common choice for use on the Web. GIF is a good choice for storing line drawings, text, and iconic graphics at a small file size. PNG format is a lossless compression file format, which makes it a common choice for use on the Web. PNG is a good choice for storing line drawings, text, and iconic graphics at a small file size. JPG format is a lossy compressed file format. This makes it useful for storing photographs at a smaller size than a BMP. JPG is a common choice for use on the Web because it is compressed. For storing line drawings, text, and iconic graphics at a smaller file size, GIF or PNG are better choices because they are lossless.
What is a MP3?
.mp3 is an audio file in the .mp3 format, as compared to .wav, etc. There are several different audio compression formats out there, some good, some worse. .mp3 seems the be one that most manufacturer's have agreed upon and hence, it's sort become a standard.
What is established through compression testing?
Compression testing is done on engines and it establishes whether the engine has good compression. Good compression is needed for the engine to start easily and run efficiently.
What happens to a file when it is compressed?
There are many different techniques for compression. In high level summary, repeated sequences of bytes or bits within the file are replaced with a key that represents that sequence, so that when the file is stored, it uses less space. When it is called back up, it is decompressed, and those keys are replaced with the original sequences, and the file is rendered in its original form.Depending on the algorithm used, the compression can be lossless or lossy. Lossless means that nothing is lost in compression and decompression. Lossy means that some bits can be lost, perhaps pixels in a bitmap or high frequency blips in a waveform, that are chosen to probably not represent useful information. By doing this, you can achieve higher compression factors, at the cost of the loss of some (hopefully) insignificant data.A good example of a lossy compression algorithm is the codec used in your telephone - you don't have to have "perfect" one-for-one translation of the bits in your digitized voice, so they program an ultra high compression, lossy factor into the codec on your telephone, and cell phone.
What is the difference between mp2 m2v ac3 and a52?
Each audio format intended for DVD has different compression ratio and quality. There are three main types of audio: AC3 (Dolby Digital), PCM (uncompressed), and MP2 (MPEG Layer II). The most common quality of audio in DVD is 48hz (frequency), with Dolby Digital 5.1 (surround sound).AC3It's a Dolby Digital Audio. AC3 supports not only stereo, but also surround. Audio bitrate range: from 128Kbit/s to 384Kbit/s. 192Kbit/s is the most common bitrate.Surround sound must have at least 6 separate source channels. Taking a stereo or mono audio file and forcing it into Dolby 5.1 format will only waste space and provide no advantages.Pros: AC3 format has very good quality, surround sound support and very high level of compression. That's why the size of audio information is small.AC3 is the best format to use in DVDPCMCons: The main disadvantage of Uncompressed PCM (WAV or AIFF) audio format is size. It stores all audio information without compression. It's a recommended format for audio editing. Do not use PCM in final versions of DVD. Only leave it as PCM if final disc size is unimportant or if unusual distortion occurs from AC3 or MP2 compression. Common bitrate is 1536k.Pros: The main advantage of the PCM audio is excellent quality. With PCM you can preserve all audio frequencies (even outside the range of human hearing).MP2Another form of MPEG audio is MP2. Also known as MPEG Layer II and .mpa files. This format is not officially supported for NTSC video. If you have MP2 audio then do not recompress it to AC3, recompression may destroy the quality. So, leave it untouched. But if you have PCM uncompressed source, I definitely recommend to use AC3 instead of MP2. Common bitrate is 256Kbit/s.Pros: The main advantage of MP2 is good compression level and ease of audio conversion from SVCD or VCD.Cons: The main disadvantage of MP2 is not very good quality, and lack of support by all devices.
Does Mild steel have good compression?
No, it is good in tension.
What does the mp in mp3 stand for?
MP3 stands for MPEG Audio Layer III and it is a standard for audio compression that makes any music file smaller with little or no loss of sound quality. MP3 is part of MPEG, an acronym for Motion Pictures Expert Group, a family of standards for displaying video and audio using lossy compression. Standards set by the Industry Standards Organization or ISO, beginning in 1992 with the MPEG-1 standard. MPEG-1 is a video compression standard with low bandwidth. The high bandwidth audio and video compression standard of MPEG-2 followed and was good enough to use with http://wiki.answers.com/library/inventors/bldvd.htmtechnology. MPEG Layer III or MP3 involves only audio compression.
What is the good things about PNG?
Portable Network Graphics (PNG) is a bitmapped image format that employs lossless data compression. PNG was created to improve upon and replace GIF (Graphics Interchange Format) as an image-file format not requiring a patent license. Meaning that the file does not loss any quaility; unlike JPEGS and GIFS.
