With one exception, all of them let you encode MP3 files directly from an audio CD - and they'll do it faster than real-time with a reasonably speedy CD-ROM drive and processor. Making MP3 files of music you've created and giving them away is also legal. But uploading and downloading "bootleg" MP3s songs encoded from commercial albums without the artist's or record label's permission is illegal. Remember, it's up to you to keep your use of MP3 players and encoders on the light side of the Force.
Working with Pre-Intel Macs – A Blog
We donned headphones and put together a four-minute AIFF audio file containing several different styles of music, and next week we'll tell you how quickly our five contenders encoded MP3 files and how these files sounded. But first, a journey into the psychology of sound. Why Encoders Matter -- When you make a kilobit per second Kbps MP3 file from an audio CD, the encoded file is less than 10 percent of the size of the original, which means that the encoder essentially discards over 90 percent of the original data.
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It's been known for decades that our sense of hearing is as much between our ears as it is in them. By taking advantage of our knowledge of how humans perceive sound the science of psychoacoustics , it is possible to extract the most important parts of an audio signal and encode them with high fidelity, using lower fidelity for less noticeable parts of the sound, or discarding such parts altogether.
One interesting fact about the MPEG standard of which MP3 is only one small part is that the specification says nothing at all about how an MPEG encoder should work - it only defines the format required by the decoder.
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This means that developers are free to innovate their own encoding schemes - as long as the resulting file has the right format, it can be decoded by any MP3 player. Competition, the theory goes, will drive developers of MP3 encoder software to develop better and better psychoacoustic simulations. Better encoders mean better-sounding MP3 files - and the best part is that you don't need new playback software to enjoy the improvement, just a new version of the file.
So, counterintuitively, the software used to create an MP3 file can have as much or more effect on its sound quality than the software you use to listen to it. Although some MP3 playback programs have built-in equalizers and other enhancements to allow you to shape the sound to your liking, all software MP3 players sound pretty much the same with those features turned off. The good news is that the encoders we tested produced listenable MP3s at bitrates of Kbps and higher regardless of the style of music.
Bitrate is just a fancy word for how many bits are required to encode a second of music. The more bits you use, the less audio information you have to throw away, and thus the better the resulting file sounds, all other things being equal. If the bitrate of an MP3 or QuickTime file is lower than the bitrate of your modem generally 56 Kbps or lower , and the planets are aligned just right, you can actually play back the file as it downloads.
In naked ear tests, you'd be hard pressed to notice any differences between the files encoded by our selection of audio bit-crunchers. With headphones, some minor differences become apparent, although nothing earth-shattering was revealed until we conducted a torture test, encoding stereo files at bitrates of 64 Kbps and lower. At this point, a number of encoding inaccuracies commonly referred to as "artifacts" became apparent as the encoders struggled to decide which parts of the sound were least important and thus disposable. It was obvious which had the best psychoacoustic models under the hood.
His music collection includes, at last count, over CDs. This article examines some of Mac OS 9's networking and file sharing features. Personal File Sharing, which enables users to access files on a remote Macintosh over AppleTalk, debuted with System 7 back in , and though it's limited to ten simultaneous users, it has proven the be one of the Mac OS's most-loved and most-used features. You configure users, groups, and privileges as you normally would for Personal File Sharing - except now users can connect to your Macintosh by entering your Mac's IP address into the Chooser using either a DNS name or an IP number , or perhaps by locating your Macintosh in the Network Browser application.
Program Linking enables applications on separate machines to communicate with each other over a network, all controlled by the users and groups privileges set up in the File Sharing control panel. However, since most programs don't talk to other programs by default, few users took advantage of this capability, and using it to its full potential often required scripting.
I may be alone in the universe, but I use Program Linking regularly, both to monitor the status of servers on my network, and also to perform everyday tasks - in fact, issues of TidBITS would never make it to our Web site or be distributed via email if it weren't for Program Linking. For many users, the utility of Program Linking over the Internet will be the capability to run AppleScript scripts that can interact with applications on remote machines via the Internet. Theoretically, your Mac could be accessed by anyone on the Internet, rather than just the comparatively few souls on your local AppleTalk network.
Although you can certainly protect your Mac adequately using good, hard-to-guess usernames and passwords and disabling any sort of guest access, Open Door Networks - the same folks who developed these capabilities in the first place - offer enhanced utilities with improved security and monitoring features.
ShareWay IP 3. Special pricing is available for Mac OS 9 owners. Open Door also offers versions of DoorStop, a stand-alone firewall that offers highly selective allow-or-deny access of Internet services on a Macintosh going back to Mac OS 8. Typically, AppleScript scripts are confined to running on your local computer as one-shot tasks you trigger yourself or as Folder Actions that act automatically on your behalf.
Only ambitious scripters have used the PPC Toolbox to run scripts over AppleTalk, but the rewards of doing so can be substantial: you could open or close databases on a Web server, transfer data to and from remote applications, shuffle files between folders on a remote Macintosh, launch and quit applications on another machine AppleScript 1. First, AppleScript 1. Hopefully, Apple will update its AppleScript Web site soon discuss these features, as well as additional scripting enhancements in Mac OS 9.
Nonetheless, AppleTalk faces two fundamental problems: AppleTalk isn't based on Internet technologies, and network administrators believe mostly erroneously that AppleTalk services consume lots of bandwidth as they "chatter" to locate other AppleTalk services. So, Apple started working on Network Services Location NSL , a protocol-independent way for programs to learn about services available on a local intranet. The key phrase here is "intranet", not "Internet" - although these services can operate over the Internet because they aren't bound to any one protocol, they aren't intended to encompass the entire Internet.
The idea is to bring some of the best features of AppleTalk - discoverability and ease of use - to other protocols and network services. Apple solidified NSL in Mac OS 9, although users may still find it confusing and hard to use until applications and servers intelligently take advantage of its capabilities.
In theory, this enables NSL-savvy applications like the Network Browser to locate and connect to network services using any one of these protocols. Items from each of these services appear in "neighborhoods" - hierarchical groupings of network items - that can contain items from any of the available network services, as well as other "sub-neighborhoods". First, Apple shipped SLP 1. Fortunately, version 1. Second, although SLP-savvy clients can discover services on a local network, there's currently no way to organize or administer them.
On medium-to-large networks SLP is designed to work with servers called "directory agents," which register and administer network services. Directory agents enable the scalability of network services, permit centralized administration of what is and isn't allowed to advertise itself as a network service, and define how those services are organized. So, SLP services can't easily be organized at the moment, which limits their utility.
All this might be moot if your LAN's routers - or those of folks with whom you'd like to communicate - don't support IP multicasting. IP multicasting is a technology designed to facilitate IP-based audio and video transmission - basically, instead of each client or audience member requiring a separate data stream, each client can receive the same data stream, thereby using the network more efficiently. For the purposes of this post, I accepted that only my. In another post at a later time, I will go through the process of converting. So, that was the first objective of the exercise completed.
As a side note, the process used above works very well with later versions of iTunes as well. Now it was time to try to load some portion of the newly created music library onto the 1 st generation iPod mentioned at the beginning of this post. I started iTunes again, plugged the iPod into the G4 cube using the cable that came with the iPod Firewire connectors at both ends: Firewire into the iPod and Firewire into the G4 Cube and crossed my fingers, hoping for the best. Oh dear, I thought.
Then my patience was rewarded. That was obvious of course. Of course, that was obvious as well — I had not yet defined any playlists, so there were none to select from! I then used drag and drop from the main music pane of iTunes to add roughly 8 GB of music to the new playlist. Once again crossing my fingers and toes and hoping for the best, I told iTunes to sync the iPod, and off it went… or did it? To all external appearances, the G4 Cube froze. Nothing responded, not iTunes, not Finder, not anything.
There was zero external feedback of any sort. Being long schooled in the ways of computers, I had the patience to wait this one out for a while, to see if it would come back. Reasoning that if the iPod was getting what it needed, then the Mac must be supplying it, I settled in for a long wait.
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About 3 minutes later, the Mac finally sprang back to life and iTunes started to copy music to the iPod. What it was doing for those VERY quiet 3 minutes, who knows, but it finally got over it and started to do what I had asked it to do.
timdesserich.com/1544.php Whatever it was up to, keep in mind that this was 3 minutes with a 1. If you are using a slower machine, or perhaps less than the 1. Perhaps a coffee break would be in order! About 15 minutes later it was done, and playlist had been loaded onto the iPod. These may be older, slower machines, but Firewire is still pretty fast — it is just a little bit faster than USB 2. I ejected the iPod via the Eject control on the lower right of the iTunes window and disconnected the cable. A quick check of the music on the iPod showed that it had been successfully loaded, and all seemed well.
I plugged in a set of earbuds, selected a song and was greeted with glorious sound. All really WAS well!