It is a powerful recorder, editor, and converter. How about a free app for recording as well as editing sound? You can also try the free and open source Audacity sound recorder. However, audio recording was a paid feature of QuickTime Pro. Note: QuickTime 7 is also built into earlier versions of Mac OS X. This is overkill in most situations, and file compatibility is limited.
The Maximum quality setting saves AIFC files using PCM S24 codec and produces rather large files. This is good balance of quality, file size and file compatibility. The High quality setting records M4A files with variable bitrate using the AAC code. Newer Macs have only the Microphone available as the audio source. Older Macs will generally have two input sources: Build-in Microphone and a Line-in from the 3.5mm jack. Microphone volume is adjustable with the slider under the record button.You may click on the Down Arrow next to the record button to select your sound input (microphone) and sound Quality settings.You will see a very simple user interface with sound recording controls.Open the File menu and select New Audio Recording.Open QuickTime Player from your Applications folder.Some customers who purchased the 27-inch models complained of screen flickering problems, which were reportedly fixed after several firmware updates. Built-to-order options included up to 16 GB of RAM and a 2.8 GHz Intel Core i7 quad-core processor. Introduced in October 2009, the iMac (Late 2009) models had larger screens an d faster processors than the previous iMac (Early 2009) line. The high-end 27-inch model had an 2.66 GHz Intel Core i5 processor (or 2.8 GHz Core i7), with four cores, 256 kB L2 cache per core, and an 8 MB 元 cache, included an ATI Radeon HD 4850 graphics chipset with 512MB of GDDR3 memory, and could be used as a monitor via the mini DisplayPort. The 27" models weighed 30.5 pounds, consumed 365 watts of power, and had the following dimensions: 20.4" H x 25.6" W x 8.15" D. Though reported as a 256 MB graphics system, the chipset actually used up to 272 MB of RAM.
The low-end 21.5" model used the NVIDIA GeForce 9400M graphics chipset, which used a portion of main memory as VRAM. Optical Drive: 24x/24x/16x/8x/8x/6x/4x CD-RW/DVD±RW/DVD±R DLĪudio Out: stereo 24 bit mini, Optical S/PDIF, HDMI via Mini DIsplayPortĪudio In: stereo 24 bit mini, Optical S/PDIF Level 1 Cache: 32 kB data, 32 kB instruction CPU Speed: 3.06 GHz or quad-core 2.66 GHz Core-i5
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