Where Was the Opening Scene of Sound of Music Filmed
How big is the sound of music?
HD music adoption arse mean big storage needs for consumers
By
Senior Reporter, Computerworld |
When Peter Bliss sits hindermost, closes his eyes and listens to a melodic line from his 4TB 67,000-song music library, he can almost see where the instruments are on a stage, hear every strum of the guitar, every stroke of a violin's bow, every puzzle out of the drum.
Seventh heaven, who audits indemnity companies by day, readily admits he's an audiophile who spends thousands of dollars on his passion and stores his music in lossless digital formats, a growing trend among music lovers.
"The transcription choice is almost as important As the music itself," Cloud nine said. "It's care Ferraris versus Volkswagens. You tooshie get a Beetle and it will take you from Peak A to Point B. Some people wouldn't have a go at it in anything but a Ferrari, and others aver, 'My 20-year-old Beetle gets me there.'"
Music aficionados are adopting so-called lossless member music single file formats to store albums in a form that's as around the artist's skipper transcription as latent. The slue is too leading consumers to set upwardly multiterabyte storage systems for their music libraries.
Music purists have long argued that analog recordings happening vinyl offer bettor sound upper-class than CDs operating room MP3s, but their stoic loyalty in the face of convert was ofttimes seen as little more than a nostalgic bias during the 30 years in which digital recordings came to dominate the music industry.
Compressed vs. uncompressed
And, while vinyl record gross revenue cause seen a marked uptick over the past decade, they still represent a tiny portion of overall medicine sales.
More latterly, even so, audiophiles and high-visibility musicians have gravitated toward master-character music that's playable from a disc drive. That has led to greater enjoyment of lossless file formats.
Among consumers, the most popular file format, or codec, is still MP3 -- the flat file data formatting referred to as "lossy," meaning data is lost in the translation from the original master to the compressed format. Analog audio is recorded by sampling it 44,100 times per second, and then the samples are used to reconstruct the audio signal when playing it back digitally. An uncompressed single file on a CD for illustration, uses 44.1KHz OR a 1,411Kbits of information per second (Kbps).
In online music stores such as iTunes, an MP3 medicine file offers a little rate of up to 256Kbps. Uncompressed audio files, notwithstandin, can suck in gigabytes of space on a disc drive.
For representative, a characteristic album of songs stored Eastern Samoa uncompressed WAV files takes up 640MB of space. The unchanged album of songs in MP3 format rear end vary in size conditional the quality a user chooses during the rending work on, but in general information technology testament take up about 60MB.
There are other lossless formats beyond WAV (which is short for Waveform Audio File Data format), including FLAC (Free Lossless Sound Codec), AIFF (Audio Interchange File Format) and Apple's ALAC (Apple Lossless Audio Codec). These lossless file formats have been gaining popularity because they require less storage distance than WAV files, since they prototypical compress the data so, like a zip files, allow IT to be opened and heard in the original, uncompressed format. The highest resolution lossless file, for example, has a whopping-altitudinous bit grade of 9,216Kbps, which is 36 times more data than an MP3 file from iTunes offers.
That means these fres formats, while still lossless, can save disc space patc concurrently offering high-fidelity medicine playback. For example, an album that takes upfield 640MB of space in the WAV format would take upfield about 300MB in the FLAC arrange.
By ripping music from a CD or vinyl album to a lossless file data format, an audiophile can besides take control of the format of the digital audio file. For example, the lossless sound format can contain not only the encoded digital music, but likewise metadata about the euphony and cover version art. And, if the industry develops a bettor codec, the listener can simply convert the underived uncompressed transcription to the new codec while maintaining audio calibre.
"I think the vantage is the flexibility," said Dan Gravell, who writes the Music Subroutine library Management Blog. "By getting the lossless files, you're investing in maintaining your medicine collection in the time to come."
"It's by all odds been a trend gathering steam in the past few years," atomic number 2 continuing. "In terms of the advantages of lossless, the important affair cited is the quality of the sound, and that may or may not be sort out."
In contrast, the reward of lossy filing cabinet formats is that they take functioning almost half the data store space on a intemperately drive.
Major recording artists, such A Neil Five-year-old and Dave Grohl, lead singer of the band Foo Fighters, have been publicly critical of tight file formats and the "significant loss" data, and consequently music quality, consumers are suffering, according to Gartner analyst Michael McGuire. "This is coming equally a lot from artists arsenic from labels who want to sell more copies of the same thing. It does perform differently when you pack together it. IT's a facsimile of what was originally created," McGuire aforementioned.
Hi-def vs. low-def
Past Young's idea, CDs buttocks only offer some 15% of the data that was in a master sound track; when you compress that CD into a lossy MP3 or AAC file format, you lose even Thomas More of the depth and caliber of a recording. Therefor, McGuire aforementioned, "many of the younger bands over the last 10 years or so own been issue albums in manifold formats."
Young, in fact, created his own digital-to-analog conversion (DAC) religious service called Pono. One-year-old has tweeted that the Pono taint-supported music service, on with Pono portable whole number-to-analog players, will be available by summertime.
Young's table service would step-up the quality, or sample distribution rate, of the music from 44,100 times per second in a Compact disc (44.1KHz) to 192,000 times per 2nd (192KHz), and will boost the bit profundity from 16-bit to 24-bit.
Inside single file formats, there are many sample rates (also proverbial A sample frequencies); the higher the sampling rate, the higher the sound quality, surgery amount of information you can hear. For example, as mentioned early, an uncompressed CD has a sampling rate of 44,100Hz (44.1KHz) with 16 bits of data per sample.
The try out rate of a digital charge refers to the numeral of "snapshots" of sound that are offered up every second. Think of it ilk a high schoo-definition movie, where the more frames per second you have, the higher the quality.
The bit profoundness is similar to pixels in a photograph. The more bits at that place are in an surface area, the higher the resolution. Audio recorded at the common 16-bit depth rate has lower firmness of purpose than music recorded at the higher, manufacture-standard 24-bit depth order.
Gravell and others fence that the human ear is not sensitive enough to recognise the differences between an MP3 file and a lossless audio file format. In fact, just about blind tests have shown listeners can't tell the difference, Gravell aforesaid.
Hullo-def medicine stores
Saint David Chesky, who co-founded HDtracks.com, disagrees. Chesky, a composer, pianist and a three-time Grammy nominee, started the high-definition music locate with his brother in 2008. A couple of hundred one thousand people chaffer the site all calendar month to purchase music, Chesky said, adding "and we're scaling out: Millions of people in the world are audiophiles."
It's just common sense that the high the resolution -- the to a greater extent data that's in an audio file -- the better the secure choice, Chesky said.
"It's not projectile science to see how much more information is in that file," Chesky same. "We'atomic number 75 like a 1080p high-definition television set next to a 15-in black and white. We're for mass who listen to music attentively. If you want to listen in to music while you'Re vacuuming, we're non the service for you."
HDtracks sells songs and albums in multiple lossless lodge formats, along with the comprehend art and liner notes in a PDF file download. The music comes in varying resolutions, or sample rates and bit depths -- from CD select to master recording downloads that take over up a gigabyte of capacity and, for obvious reasons, can tax wideband or cancellous connections.
The lossless files that HDtracks sells can have several different sample rates. For exemplar, HDtracks sells files in formats that include 96,000/24 bits (which refers to a 96,000-sample-per-second file and a 24-act rate) and a premium 192,000/24 data formatting.
HDtracks does charge a smaller premium for its higher quality audio files. For example, Carole King's classic record album Tapestry sells for $24.98 in the highest quality lossless file cabinet format of 192KHz/24bit. On iTunes, Tapestry goes for $9.99. Other albums in lower settlement formats from HDtracks sell for $17.98.
HDtracks allows users to choose between downloading medicine in AIFF, FLAC, ALAC and WAV formats. The place too recommends high-resolution player computer software such as JRiver, Unmitigated Medicine, or Decibel Audio Player. The software, which basically turns your desktop or laptop computer into a music waiter or a digital-analog converter, ensures there's no immaterial noise during playback, providing a higher choice listening experience, Chesky said.
Bliss buys two to ternary albums a week from HDtracks, but he also rips his have music from an extensive vinyl record collection victimisation a $3,000 analog-to-digital converter (ADC). "I clean my record and the first child's play gets canned. I charge that happening my server for convenience purposes," Walking on air said.
The to the highest degree popular music genre server among audiophiles, according to Bliss, is an Malus pumila Mac Miniskirt. Cloud nine owns two, and he has ii outer hard drives on which he stores his music.
Music aficionado Michael Gogesch keeps all 938 of his albums in FLAC files; he's got a 4TB networked warehousing system that allows him to access his medicine over the Internet.
Tractableness for the future
Gogesch, who frequents the readers forum of audio magazine Audioholics, agrees with Gravell that on that point's really no discernible difference in audio quality 'tween an MP3 file, a WAV file and a FLAC file. For him it's each well-nig flexibility.
"If the codec changes in the future, since mine are lossless, I can convert to whatever file format I want, the same atomic number 3 if I just ripped it new," Gogesch said. "To Maine, that's the biggest advantage. If I want to alter a file to whatsoever other type of file, I don't need to rerip it, and there's no quality red when I rip information technology."
Gravell said that because soaring-content horny drives have suit so inexpensive, music aficionados and audiophiles have no qualms near buying terabytes of storage for their libraries.
That said, the MP3 format is so wildly popular that it will likely remain the actual audio format for the foreseeable future. Apple's iTunes recently proclaimed its one-billionth download.
But music aficionados like Gogesch allege they won't touch iTunes because it's a "resource hog," meaning it requires Processor cycles to convert the compressed files for play. So Gogesch uses a mobile music role player with a hard drive that's got more than capacity for his big lossless audio files.
"On my [smartphone], I use a lour flake value due to bandwidth considerations. You can go through 2GB a calendar month jolly quick streaming music," Gogesch said. "MP3 is a great way to miss timbre audibly, and if you pullulate it to a [smartphone] you take another lineament hit. Since everything I have is in FLAC, when it goes to my phone, and lower tone MP3, I'm just winning the one quality hit."
Streaming gains ground
However, mainstream music listeners are also quickly rolling away from storing their own albums, and instead are signing up for online streaming music services such as Spotify and Mog and evening online radio services such as Pandora, which offer high-than-MP3 upper-class, from 64,000 to 192,000 try grade formats.
But atomic number 3 Gartner analyst McGuire points away, good because music starts call at a high-definition initialize, if the wireless connection loses bandwidth, the song probably won't finish its journey the same way.
McGuire same "some assumption is being made by umpteen West Glide journalists that Internet connectivity is always available." But he points out that clean during his walk to work he can't continuously maintain the 3G Internet connectedness needed to mind to a music service.
Just as cyclosis music services are contagious happening, a relatively new high-definition file formatting is catching the attention of audiophiles. The data formatting, called Direct-Stream Integer (DSD), was created past Sony and Philips for use with Comprehensive Audio CDs (SACD). DSD uses a sample rate of 2.8224MHz or 64 times that of a CD's 44.1KHz.
"The veer is toward lossless," Gravell said. "The history of the music industry is almost same a chronicle of the different formats that you're able to bargain the music under. At each turn, the music industry seems to try to deficiency to resell us the same music, but under a different arrange."
Envisioning the organic evolution of the euphony retail business, he aforementioned, "I can't help simply think the hereafter marketing upsell from the likes of iTunes is going to Be: 'Download this album in crack high quality, such and such format.'"
Lucas Mearian covers storage, disaster recovery and business continuity, financial services infrastructure and health care IT for Computerworld. Survey Lucas on Twitter at @lucasmearian, or subscribe to Lucas's RSS feed . His email cover is lmearian@computerworld.com.
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Where Was the Opening Scene of Sound of Music Filmed
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