After installation of Linux Operating System KNOPPIX 7.7 on a 32 GB USB Flashdrive using a Linux OS Live Distro of Linux Operating System KNOPPIX 7.7 on an ACER Aspire R15 Laptop which is connected to a PHILIPS 32 inch HDMI TV .
1. Connect the ACER Aspire R15 Laptop to a PHILIPS 32 inch HDMI TV ( used this as a PC/Laptop Monitor ) using HDMI cable , then , insert the the 32 GB USB Flashdrive onto the USB port ( preferably USB 2.0 port which is located on the right hand side of the Laptop ) of the ACER Aspire R15 Laptop . Then , boot up the Linux OS KNOPPIX 7.7 using the 32 GB Flash drive with the Cheat Code knoppix64 xmodule=svga screen=1360x768 . ( type the Cheat Code on the keyboard ) . The reason for this cheat code , so that I can get a screen resolution of 1360x768 on my PHILIPS 32 inch HDMI TV and the screen resolution of 1360x768 on my ACER Aspire R15 Laptop . After the Linux OS KNOPPIX 7.7 is fully booted up , then , run the Linux Command # apt-get install debian-archive-keyring , then , run the Linux command # apt-get install update .
2. Use Synaptic Package Manager and search for "firefox" , then install ( Mark for Complete Removal the old version of Firefox , which is , firefox Version 49 ) "firefox Version 68" using Synaptic Package Manager .
Also , using Synaptic Package Manager , please search for "chromium" and upgrade (Mark for Upgrade ) Chromium web browser from Chromium Version 53 to Chromium Version 83
Upgrading Chromium Web Browser from Chromium Version 53 to Chromium Version 83 will ensure that sound or audio coming out from YouTube ( running under Chromium Version 83 ) is functioning .
3. Then , use Synaptic Package Manager to install the software packages below :
1. alsamixer . For Linux OS KNOPPIX 7.7 , the software package is "alsa-utils" and "alsamixergui" . If these two packages are already there , just leave it as it is .
2. pulseaudio
3. pulseaudio-module-jack
4. pulseaudio-module-bluetooth
5. pavucontrol . Installation of 'pavucontrol' software take a slightly longer time to complete , so , be patient .
6. blueman
4. Then , open up Firefox web browser (Version 68) and play YouTube . No audio or no sound coming out from the 32 inch HDMI Monitor .
5. Then , open up "PulseAudio Volume Control" and we get this , displayed on the Monitor .
6. Then , open up "LXTerminal" and run the Linux command
$ pulseaudio --start
7. Then , we get this , displayed on the Monitor .
8. Then , go to Internet and Click "Firefox ESR" and play YouTube videos , you still cannot hear any sound or audio coming out from the speakers , either from the PC/Laptop or PHILIPS 32 inch HDMI TV .
9. Then , logout and login back from Linux Operating System KNOPPIX 7.7
10. Then , once again , go to Internet and Click "Firefox ESR" and play YouTube videos , you still cannot hear any sound or audio coming out from the speakers , either from the PC/Laptop or PHILIPS 32 inch HDMI TV .
11. Then , go to PulseAudio Volume Control icon and Click "PulseAudio Volume Control" and maximize it and we can see the Firefox AudioIPC Server "horizontal bar" fluctuate from left to right , telling us that a YouTubeVideo is being played on Firefox , but still we cannot hear any sound or audio coming out from the speakers , either from the PC/Laptop or PHILIPS 32 inch HDMI TV . [ 1 ]
12. Then , on the Firefox AudioIPC Server , on the right-hand corner there is a rectangular box and Clicking the "Built-in Audio Digital Stereo(IEC958)" , give us two options . We can either choose "Built-in Audio Digital Stereo(IEC958)" or "Cedar HDMI Audio [Radeon HD5400/6300 Series] Digital Stereo(HDMI)" . If we have a Speaker that is connected to the Headphone Speaker port on the PC/Laptop , then Select "Built-in Audio Digital Stereo(IEC958)" but if we want the sound or audio to come out from the Speaker of the PHILIPS 32 inch HDMI TV , then Select "Cedar HDMI Audio [Radeon HD5400/6300 Series] Digital Stereo(HDMI)" .
13. CONNECTING TO A BLUETOOTH SPEAKER . Minimize the PulseAudio Volume Control GUI .
14. Then , open up "LXTerminal" and go to SU mode (super user mode) and run the Linux command # blueman-manager to get a Blueman GUI ( Graphical User Interface ) so that we can use this Blueman GUI to connect to any Bluetooth devices .
15. After getting the Blueman icon , Click "Search" to scan for any Bluetooth devices nearby . Then after getting the Bluetooth device that you wish to connect to , in this case , the Bluetooth Speaker is "PhilipsBT" , then Click that particular Bluetooth Speaker which is called "PhilipsBT" .
Then , Click "pair" then "trusr" then "Audio Sink" . After that 3 colourful (orange/light green/blue) vertical bars will appear on the right-most corner of the Blueman GUI . The 3 colourful vertical bars will stay "on" continuously . Please note that if the 3 colourful vertical bars stays "on" for a while and then "goes off" .
That mean something is not right .
16. Then , once again , go to Internet and Click "Firefox ESR" and play YouTube videos , you still cannot hear any sound or audio coming out from the Bluetooth Speaker , which we stream from the PC/Laptop using Linux Operating System KNOPPIX 7.7.1
17. Then , go "PulseAudio Volume Control" GUI and maximize it and we can see the Firefox AudioIPC Server "horizontal bar" fluctuate from left to right , telling us that a YouTubeVideo is being played on Firefox ESR , but still we cannot hear any sound or audio coming out from the Bluetooth Speaker , which we stream from the PC/Laptop .
18. Then , on the Firefox AudioIPC Server , on the right-hand corner there is a rectangular box and Clicking the "Built-in Audio Digital Stereo(IEC958)" , give us three options . We can either choose "Built-in Audio Digital Stereo(IEC958)" or "Cedar HDMI Audio [Radeon HD5400/6300 Series] Digital Stereo(HDMI)" or "PhilipsBT" . If we have a Speaker that is connected to the Headphone Speaker port on the PC/Laptop , then Select "Built-in Audio Digital Stereo(IEC958)" but if we want the sound or audio to come out from the Speaker of the PHILIPS 32 inch HDMI TV , then Select "Cedar HDMI Audio [Radeon HD5400/6300 Series] Digital Stereo(HDMI)" . And if we want the sound or audio to come out from the Bluetooth Speaker , then Select "PhilipsBT" [ 1 2 ] and it should be okay . Enjoy !
Computer hardware used :
1. ACER Aspire R15 15.6 inches (360 degrees Foldable ) Touchscreen Laptop
2. PHILIPS 32 inch HDMI TV (used as a Monitor)
3. 32GB USB Thumbdrive (SANDISK Ultra USB 3.0) . Installed Linux Operating System KNOPPIX 7.7 on this 32 GB Flashdrive .
4. USB Bluetooth dongle Version 3
5. PHILIPS Bluetooth Hi-Fi Adapter
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