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Neo Freerunner audio subsystem - Openmoko
https://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem
The Neo Freerunner (GTA02) inherited the audio subsystem from its older brother the Neo 1973 (GTA01). However, there are a few small differences. This page tries to show and explain the differences and points you to the Neo 1973 page whenever it touches the common points (but there may be overlaps for the sake of usability).
Neo 1973 audio subsystem - Openmoko
https://wiki.openmoko.org/wiki/Neo_1973_audio_subsystem
In the center of the Neo1973 audio subsystem is the WM8753 (the "Wolfson Codec"), which implements record (ADCs), playback (DACs), and signal mixing. On the stereo output is the LM4857 amplifier, which drives the stereo speakers, the mono earpiece and the headphones. Sound from and to GSM is received from and sent to the GSM modem via analog connections. …
Adding extra capacitors on GTA02 audio output - Openmoko
http://people.openmoko.org/andy/additional-headset-audio-caps.pdf
Adding extra capacitors on GTA02 audio output Andy Green <[email protected]> 2009-03-08 V0.1 The two capacitors shown highlit below have too small a value for best audio quality reproduction on GTA02 A5 – A7. This document describes a way to increase the capacitance in a way that should increase the amplitude of lower frequencies.
FAQ - Openmoko
https://www.openmoko.org/wiki/FAQ
Openmoko also manufactures mobile computing platforms, such as the Neo FreeRunner. ... Yes, audio path from GSM to/from mic and speakers is completely controllable by user. For example recording calls (both sides) and implementing an Answering Machine is possible. Also using text->speech should be possible or modifying outgoing voice.
Definition of OpenMoko | PCMag
https://www.pcmag.com/encyclopedia/term/openmoko
Introduced in 2007, the touchscreen Neo1973 was the first OpenMoko phone released to the developer community. Made by Taiwan-based First International Computer, Inc. …
openmoko · GitHub
https://github.com/openmoko
openmoko-usb-oui Public. USB Product ID allocations for Free Software / Open Hardware. 174 33. neocon Public. Forked from aitjcize/neocon. An interface for interacting with tty devices from the OpenMoko project. C 1. openmoko-svn Public. Historic …
OpenMoko | TWiT.TV
https://twit.tv/shows/floss-weekly/episodes/69
Sean Moss-Pultz and Christopher Hall for OpenMoko, the open source hardware platform for mobile phones. Our special guest co-host is Jono Bacon. Our guests are Sean Moss-Pultz and Christopher Hall for Open Moko.. Sean Moss-Pultz is the CEO of OpenMoko.. Christopher Hall is a recent employee of OpenMoko.. Jono Bacon is known for starting the …
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