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The original standard MC60 microcassette contained 43.2 m (142 ft) of tape for 30 minutes recording per side at 2.4 cm/s (about 15 ⁄ 16 ips, making it half the standard speed of a compact cassette). Most recorders also provide a slower speed of 1.2 cm/s, doubling the recording time but with poor sound quality. The only other common sizes are ...
Voice Memos is a voice recording app introduced on iPhones with the release of iPhone OS 3, designed for saving short snippets of audio for later playback. Saved voice memos can be shared as a .m4a file or can be edited, which allows parts of a recording to be replaced, background noise to be removed, or the length of a recording to be trimmed.
voice recording, audio No No No Yes No G.723.1: ITU-T 1996-03 G.723.1 (05/06) Non-free Various proprietary VoIP software FFmpeg voice recording: No Yes No Yes No G.726: ITU-T 1990-12 Free Various proprietary VoIP software FFmpeg, Ekiga and other VoIP software voice recording: No Yes No No No G.728: ITU-T 1992-09 Non-free Various proprietary ...
iPhone 3GS (8 GB) iPhone: September 12, 2012 iPhone 4 (GSM) (16 & 32 GB) iPhone: October 4, 2011 July 27, 2010 iMac (Mid 2010) iMac: May 3, 2011 Magic Trackpad: Pointing devices: October 13, 2015 Apple Battery Charger: Input Device Accessories January 15, 2016 LED Cinema Display (27") Displays: December 2, 2013 August 9, 2010 Mac Pro (Mid 2010 ...
In telephony, the usable voice frequency band ranges from approximately 300 to 3400 Hz. [2] It is for this reason that the ultra low frequency band of the electromagnetic spectrum between 300 and 3000 Hz is also referred to as voice frequency, being the electromagnetic energy that represents acoustic energy at baseband.
Voice over Internet Protocol (VoIP) recording is a subset of telephone recording or voice logging, first used by call centers and now being used by all types of businesses. . There are many reasons for recording voice over IP call traffic such as: reducing company vulnerability to lawsuits by maintaining recorded evidence, complying with telephone call recording laws, increasing security ...
NTSC recording time = E-XXX in minutes × 0.701. Since the recording/playback time for PAL/SECAM is roughly 1/3 longer than the recording/playback time for NTSC, some tape manufacturers label their cassettes with both T-XXX and E-XXX marks, like T60/E90, T90/E120 and T120/E180.
A reel-to-reel tape recorder (Sony TC-630), typical of a 1970s audiophile device. Reel-to-reel audio tape recording, also called open-reel recording, is magnetic tape audio recording in which the recording tape is spooled between reels. To prepare for use, the supply reel (or feed reel) containing the tape is placed on a spindle or hub.