GigBaby! Four track recorder, metronome, drum machine.

四轨录音机，节拍器，鼓机。

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In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction.

1958年，澳大利亚科学家戴维·沃伦开发了一种飞行记录仪，可以追踪飞行高度和飞行方向等基本信息。

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Expense Recorder is a smart application to track your daily, monthly, business, travel expenses.

费用记录仪是一种智能的应用程序来跟踪您的每日，每月，业务，差旅费。

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Soon after, the first multi-track tape recorder, also designed by Les Paul,was marketed.

VOA: standard.2009.08.14

Also, as a holiday gift, Animoog V2 features a powerful 4 Track Recorder, which gives Animoog users the ability to record audio from within Animoog or import audio tracks directly from their iTunes library.

ENGADGET: Moog Music tacks on Grateful Dead expansion pack to Animoog 2.0 for $4.99 (video)

It is certainly true that the Stones did spend a few days in early 1964 dashing out songs on an old two-track recorder in Regent Sounds Studio at 4 Denmark Street - and the rest is musical history.

BBC: Denmark Street and Soho: London's Tin Pan Alleys

The Register is reporting that in a private demo at CES, Neuros revealed that its upcoming Video Recorder (the Recorder III, pictured, for those of you keeping track) and Neuros III DAC MP3 player will be Linux-based and feature dual-core TI CPUs.

ENGADGET: Neuros to release Recorder III, Neuros III DAC, 442 Version 2