Synthesized Sound
The Newton 2.1 OS contains a built-in synthesizer codec. This codec can be used to generate tones based on sine wave addition (like telephone tones) using up to 12 sine waves, and tones produced by several variants of FM synthesis using up to 4 sine waves to describe a sound. The following attributes can be specified for each sine wave: sustain amplitude, peak amplitude, sustain time, release time, attack time, decay time, lead silence, trail silence, and frequency.Synthesized sounds are typically much smaller than sampled sounds, so if your application plays custom sounds, you may want to synthesize them rather than using a recorded sample. For details on using the synthesizer codec, see "Synthesizing Sound".
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