Bink supports any number of audio tracks in a Bink video file, and can route each audio track to specificspeakers on multichannel audio systems. Bink's support for any number of audio tracks is also handy because you can put multiple languages in one Bink file and select between them at runtime.
For 5.1 or 7.1 audio, you simply mix multiple stereo or mono input files into different Bink tracks IDs, one at a time. These separate input files are called "stems" in video editing software. Once you have mixed all the input files into Bink audio tracks, just tell your programmers the layout of the Bink tracks (like, track ID 0 is front left-right, etc). The programmer then directs the Bink audio tracks to the proper speaker at runtime.
2) It consists of 6 drivers (2 woofers, 2 tweeters & 2 passive radiators) for more clear and quality sound especially at higher volume levels without any distortion. Two way passive audio crossovers is used for this purpose.
9) The internal circuitry enables the speaker to be charged with any phone charger, power bank, laptop charger or any other wall charger. Literally speaking, it could be charged with a voltage as low as 5v up to 30V and thus making it more adaptable to every situation.
The wooden enclosure is perhaps the most important and crucial part of this project since it gives the shape, strength for the entire assembly and also the backbone to hold the circuits. The main reason to use wood is to enhance the audio quality. Denser materiel like wood is very much recommended for speaker enclosure.
In this speaker project, only the drivers (2 woofers, 2 tweeters and 2 passive radiators) and the 2 passive crossovers fits inside the wooden enclosure. All the other components are arranged around the wooden enclosure. This outside components will be further covered by curved acrylic casing which would be discussed in the later sections. The main reason for this is to enable the option of future customization or repair, which would be difficult if all the components are fitted inside the enclosure. So while doing customization and repairs for this speaker, we are not actually going inside the audio enclosure, instead we are dealing with the outside area of it and thus, there is no risk of affecting the actual audio enclosure or damaging the air tightness of the enclosure and stuffs like that. In order to incorporate all this components on the outside, the enclosure diameter at certain region should be decreases to make space for accommodating the components. SEE THE PIC
The diameter of the speaker is about 14 cm and a total height around 30cm. The wood which I used for the entire enclosure have a thickness of about 1.2cm. These 1.2 cm wooden sections are stacked to get the height around of 30cm
So the audio output from the board is actually in a configuration called bridging. In a bridge amplifier the output has two amplifiers. Each amplifier feeds one speaker wire but the signals are with opposite phase so that the output voltage across the speaker is doubled which produces almost 4 times the output power. Here we have two such amplifier pair (total of 4 amplifiers) for the left and right output terminals. So the + ve sign (in R+, L+) and the - ve sign (in R-, L-) indicates that the signals are in opposite phases and not the positive and negative terminal just like the normal non bridged amplifiers.
The battery pack as you can see in the pic is curved in shape. The pack is arranged in 4S1P arrangement. What it means is that the pack consist of 4 cells arranged in series (4S) and a one parallel row of these cells (1P) and thus a total of 4 cells. The cells used here is the 18650 LI ion with a factory specification of 5800mah capacity. The actual capacity will be lower than the specified one for sure and we could have an estimate about it during the use of the speaker once it is completed.
The acrylic casing is the outer most part of the portable speaker. It is make by forming an acrylic sheet to a circular casing by heating it. I is discussed in detail in this section. It mask all the wooden texture and components within the speaker and gives a good finish. We need two acrylic casing for the project.
This stand is almost similar to the previous stand but the only difference is that, it is cut into 3 small section where each section has two legs for support. Since the bottom passive radiator faces towards the ground, a fully circular PVC stand just like the top PVC standcan't be used since the radiator will be totally muffled by the ground and the stand. So to avoid the muffling we can't use a fully circular stand and thus small circular section with some space in between should be used. This space between the sections avoids the muffling of the radiator and thus is good for the sound performance. Sketch 3 equal section (with space in between) on the PVC stand with 2 legs for each sections and proceed just like making the top PVC stand. For the first layer of black speaker carpet, cover each pieces individually. Then proceed with the marking and drilling of leg holes on the bottom section of wood. the final jute coth is however a single piece of cloth which bonds all the three pieces together as a single piece just like the top section,. In order to do that, fix all the three stands on the holes, then apply glue on the cloths and fix the jute cloth on top of it. as showen in the pic. when it is dried stick the remaining edges and cut the central hole for passive radiator. while sticking the jute make sure that you form the gaps in between the PVC stands.
Let me give you a quick recap on what we have done so far from the beginning of the article. We made the wooden enclosure for the speaker which is the structure on which the entire things should be arranged and wired. We have seen in detail about the 6 circuit boards and the battery pack used in this project. We made the LED display by horizontally and vertically arranging the LED strips. We made the acrylic casing for the LED display and the component section. We made the rear speaker grill with PVC section and speaker cloth. We made the switch box for controlling the entire thing on board and finally we made the top and bottom PVC stand for the speaker.
The sound blink speaker project was one of the project that kept me busy for a very long time. I have been working on this project for the past 6 months. and been thing about this project for the past 1 year. Through this project what I have tried to achieve is that how we can build an entire thing from an easily available material. The whole construction reveals it too. Finding a simple, practical and at the same time professional methods was very tough to think about and was the greatest challenge. I'm very glad that the whole project was successfully completed. I would love to hear back from you guys. Comment about your thought and suggestions on this project in the comment section. So see you guys in next project. Thank you for reading my article.
This Shell Pink Milkman Sound - 20W Creamer Combo is a 20 watt 12" amp with some added versatility and gig-ready volumes. One of only four made in this Shell Pink tolex, this Creamer features a unique, switchable 6v6 or 6l6 power tube section, for bringing a lovely breakup with the 6v6, or more headroom, low end and a subtle midrange response with the 6l6. Throw in some lush built-in Spring Reverb and Tube Tremelo and you have one feature rich 12" Combo. Hand wired and constructed with a turret board and cloth covered wire, this Creamer is a vintage throw back with some very useful modern features.
The DOSS SoundBox speaker is a great gadget for days at the beach, nights out by a bonfire, and picnics at the park. The real appeal of DOSS SoundBox 12-watt speaker lies in its ability to deliver full sound with dramatically deeper bass. It's portability, long-lasting battery, and metallic design makes it the perfect audio companion for both indoor and outdoor use. Music is words unspoken, and the DOSS SoundBox translates these words beautifully to our ears.
Plug & Play for Broad Compatibility - USB powered with 3.5mm audio and mic cables allows this rockstar to party on wide types of stages for PC, TV, and Laptop. Up to 31 in (80 cm) cable length between two speakers.
Also on the back of the speaker is the power button that is located on the lower left side. Just below the power button is the status light that will tell you whether the speaker is ready for pairing, is paired, is charging or is fully charged. The audio in port and mini-USB port for charging are on the lower right side.
The top of the speaker has the volume up and down buttons along with the Bluetooth button used to pair the speaker with devices and to receive and end phone calls. The microphone that works with the speakerphone feature is also next to the Bluetooth button.
The user guide consists solely of a series of pictures showing you the parts of the speaker, how to pair it with a device, and how to use it as a speakerphone. So in order to find out more details about the speaker, like what the various states of the status light mean, it was necessary to access the Logitech x300 support website. The first time you power on the speaker, the light rapidly flashes blue (it flashes blue when not charging and flashes red when charging) indicating it is ready to be paired. For all other pairings, you must hold the Bluetooth button down for three seconds after which you hear a rapid succession of tones and the status light then flashes slowly indicating it is ready to be paired.
I turned on Bluetooth on our iPod Touch and it quickly discovered the speaker. I then tapped on the Logitech x300 listed under devices and they were paired, no PIN or code required. At that point several high pitched tones were heard and the blue status light stopped flashing and remained on indicating the pairing was successful. Pairing with our Nexus 7 (2012) tablet, HTC One X phone, and PC were equally trouble free. However, I had some audio trouble with the Logitech x300 until I figured out that our wired Logitech speakers were interfering with the Bluetooth speaker. After powering off the wired speakers, the x300 was able to play sound.
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