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  2. Radio-controlled helicopter - Wikipedia

    en.wikipedia.org/wiki/Radio-controlled_helicopter

    Learning to fly a collective pitch RC helicopter takes time and practice. Many modelers join a club so they can be instructed by experienced RC pilots, or follow on-line guides. [12] RC Helicopters usually have at least four controls: roll - cyclic pitch, elevator (fore-aft cyclic pitch), rudder (yaw) and pitch/throttle (collective pitch/power ...

  3. Comparison of video converters - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_video_converters

    Video converter Converts without transcoding Batch convert Join files Converts audio files Converts photos Extract audio Preview Include effects Editing tools DVD burning Blu-ray burning Menu templates Splitting into chapters Converts online videos Subtitles support Upload to YouTube Variable frame rate inputs Any Video Converter: No: Yes: Yes ...

  4. Radio-controlled aircraft - Wikipedia

    en.wikipedia.org/wiki/Radio-controlled_aircraft

    Some radio-controlled helicopters have photo or video cameras installed and are used for aerial imaging or surveillance. Newer "3d" radio-control helicopters can fly inverted with the advent of advanced swash heads, and servo linkage that enables the pilot to immediately reverse the pitch of the blades, creating a reverse in thrust.

  5. RTP payload formats - Wikipedia

    en.wikipedia.org/wiki/RTP_payload_formats

    Loss-Tolerant MP3 audio RFC 5219 (previously RFC 3119) dynamic (or profile) MP4A-LATM audio 90000 or others MPEG-4 Audio (includes AAC) RFC 6416 (previously RFC 3016) dynamic (or profile) MP4V-ES video 90000 or others MPEG-4 Visual: RFC 6416 (previously RFC 3016) dynamic (or profile) mpeg4-generic audio/video 90000 or other MPEG-4 Elementary ...

  6. Rich Text Format - Wikipedia

    en.wikipedia.org/wiki/Rich_Text_Format

    The open-source script rtf2xml can partially convert RTF to XML. [62] [63] GNU UnRTF is an open-source program to convert RTF into HTML, LaTeX, troff macros and other formats. pyth is a Python library to create and convert documents in RTF, XHTML and PDF format. Ruby RTF is a project to create Rich Text content via Ruby.

  7. MP4 file format - Wikipedia

    en.wikipedia.org/wiki/MP4_file_format

    MPEG-4 Part 14, or MP4, is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. The only filename extension for MPEG-4 Part 14 files as defined by the ...

  8. Helicopter flight controls - Wikipedia

    en.wikipedia.org/wiki/Helicopter_flight_controls

    Helicopters with fly-by-wire systems allow a cyclic-style controller to be mounted to the side of the pilot seat. The cyclic is used to control the main rotor in order to change the helicopter's direction of movement. In a hover, the cyclic controls the movement of the helicopter forward, back, and laterally.

  9. Delta-sigma modulation - Wikipedia

    en.wikipedia.org/wiki/Delta-sigma_modulation

    Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is an oversampling method for encoding signals into low bit depth digital signals at a very high sample-frequency as part of the process of delta-sigma analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).