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项目描述

Sfront compiles MPEG 4 Structured Audio (MP4-SA) programs into efficient C programs that generate audio when executed. MP4-SA is a standard for normative algorithmic sound, which combines an audio signal processing language (SAOL) with score languages (MIDI and SASL). Under Mac OS X and Linux, sfront supports real-time, low-latency audio input/output and MIDI input. Under Mac OS X, sfront supports the creation of AudioUnit plug-ins. The documentation includes a book about SAOL programming.

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Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2009-12-15 15:11
0.94

由sfront生成现在可以使用自定义用户界面可可意见AudioUnits。此版本包括非盟的一个例子是SAOL重写苹果的FilterDemo非盟。该示例使用了苹果公司的FilterDemo界面认为修改后的版本（在Objective - C写）。
AudioUnits generated by sfront can now use custom
Cocoa user interface views. This release includes an
example AU that is a SAOL rewrite of Apple's FilterDemo AU. The example uses a modified version of
Apple's FilterDemo UI view (written in Objective-C).

2009-11-03 11:04
0.93

此版本创建sa.c文件，将生产使用64位的海湾合作委员会（海合会- M64内存模式的x86 CPU），正确的结果。
This release creates sa.c files that will produce
correct results using the 64-bit memory model of gcc
(gcc -m64) on x86 CPUs.

2009-09-17 17:07
0.92

Sfront现在支持AudioUnit插件创建于Mac OS X插件
Sfront now supports the creation of AudioUnit plug-ins
for Mac OS X.

2006-07-31 04:55
0.91

此版本默认为编写16位WAV和AIFF文件，命令行标志指定16位WAV和AIFF文件，现在正常工作。此外，修正了已知错误的文件和自定义控制驱动API实现。
标签: Minor bugfixes
This release defaults to writing 16-bit WAV and AIFF files, and the command line flags for specifying 16-bit WAV and AIFF files now work correctly. In addition, bugs were fixed in the documentation and implementation of the custom control driver API.

2006-07-04 20:52
0.90

现在最核心的操作码使用一个可配置的插值函数带限插值。 64位整数运算现在用于大多数的阶段指针，以支持高长样本的播放质量。 24位和8位WAV和AIFF文件现在支持音频输入和输出和wavetables。 Wavetables现在读立体声WAV和AIFF文件。该网络库符合标准的RTP的MIDI最终版本。错误有关oparrays和启动文书已得到修复。 Sfront已重新授权使用BSD许可证（不带广告的条款）。
标签: Major feature enhancements
Most core opcodes now use band-limited
interpolation, with a
configurable interpolation function. 64-bit
integer arithmetic is now
used for most phase pointers, to support
high-quality playback of long
samples. 24-bit and 8-bit WAV and AIFF files are
now supported for audio
input and output and for wavetables. Wavetables
now read stereo WAV
and AIFF files. The networking library conforms to
the final version
of the RTP MIDI standard. Bugs related to oparrays
and to the startup
instrument have been fixed. Sfront has been
re-licensed to use the BSD
license (without the advertising clause).

Project Resources

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