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juniperpublishers-robotics-blog · 6 years ago

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Wireless Glove for Hand Gesture Acknowledgment: Sign Language to Discourse Change Framework in Territorial Dialect- Juniper Publishers

Abstract

Generally deaf-dumb people use sign language for communication, but they find it difficult to communicate in a society where most of the people do not understand sign language. Due to which communications between deaf-mute and a normal person have always been a challenging task. The idea proposed in this paper is a digital wireless glove which can convert sign language to text and speech output. The glove is embedded with flex sensors and a 9DOF inertial measurement unit (IMU) to recognize the gesture. A 9-degree of freedom inertial measurement unit (IMU) and flex sensors are used to track the orientation of fingers and motion of hand in three dimensional spaces which senses the gestures of a person in the form of bend of fingers and tilt of the hand fist. This system was tried for its practicality in changing over gesture based communication and gives the continuous discourse yield in local dialect and additionally shows the text on GLCD module. The text show being in English, the voice yield of the glove will be in provincial dialect (here Kannada). So this glove goes about as a communicator which in part encourages them to get their necessities and an interpreter giving greater adaptability in correspondence. In spite of the fact that the glove is planned for gesture based communication to discourse transformation, it is a multipurpose glove and discovers its applications in gaming, mechanical autonomy and therapeutic field.In this paper, we propose an approach to avoid the gap between customer and software robotics development. We define a EUD (End-User Development) environment based on the visual programming environment Scratch, which has already proven in children learning computer science. We explain the interests of the environment and show two examples based on the Lego Mindstorms and on the Robosoft Kompai robot.

Keywords: Sign Language; Flex Sensors; State Estimation Method; 3D Space; Gesture Recognition

Abbrevations: ANN: Artificial Neural Networks; SAD: Sum of Absolute Difference; IMU: Inertial Measurement Unit; ADC: Analog to Digital Converter; HCI: Human Computer Interface

Introduction

About nine thousand million people in the world are deaf and mute. How commonly we come across these people communicating with the normal world? The communication between a deaf and general public is to be a thoughtful issue compared to communication between visually impaired and general public. This creates a very small space for them as communication being a fundamental aspect of our life. The blind people can talk freely by means of normal language whereas the deaf-mute people have their own manual-visual language popularly known as sign language [1]. The development of the most popular devices for hand movement acquisition, glove-based systems started about 30 years ago and continues to engage a growing number of researchers. Sign language is the non-verbal form of intercommunication used by deaf and mute people that uses gestures instead of sound to convey or to express fluidly a speaker’s thoughts. A gesture in a sign language is a particular movement of the hands with a specific shape made out of them [2]. The conventional idea for gesture recognition is to use a camera based system to track the hand gestures. The camera based system is comparatively less user friendly as it would be difficult to carry around.

The main aim of this paper is to discuss the novel concept of glove based system that efficiently translates Sign Language gestures to auditory voice as well as text and also promises to be portable [3]. Several languages are being spoken all around the world and even the sign language varies from region to region, so this system aims to give the voice output in regional languages (here Kannada). For Sign language recognition few attempts have been made in the past to recognize the gestures using camera, Leaf switches and copper plates but there were certain limitations of time and recognition rate which restricted the glove to be portable. Mainly there were two well-known approaches viz. Image processing technique and another is processor and sensor based data glove [4]. These approaches are also known as vision based and sensor based techniques. Our system is also one such sensor based effort to overcome this communication barrier, which senses the hand movement through flex sensors and inertial measurement unit and then transmits the data wirelessly to the raspberry pi which is the main processor, that accepts digital data as input and processes it according to instructions stored in its memory, and outputs the results as text on GLCD display and a voice output.

Background Work

People who are hard of hearing or quiet are isolated in the cutting edge work environment as well as in regular daily existence making them live in their own different networks. For example, there have been enhancements in amplifiers and cochlear inserts for the hard of hearing and counterfeit voice boxes for the quiet with vocal rope harm. Be that as it may, these arrangements don’t come without drawbacks and expenses [5]. Cochlear inserts have even caused a tremendous debate in the hard of hearing network and numerous decline to considerably think about such arrangements. Thusly, we trust society still requires a compelling answer for expel the correspondence obstruction between hard of hearing and quiet people and nonmarking individuals. Our proposed arrangement and objective is to plan a Human Computer Interface (HCI) gadget that can make an interpretation of gesture based communication to content and discourse in provincial dialect, furnishing any hard of hearing and quiet people with the capacity to easily speak with anybody [6]. The thought is to plan a gadget put on a hand with sensors fit for assessing hand signals and after that transmitting the data to a preparing unit which plays out the communication via gestures interpretation. The last item will have the capacity to proficiently perform gesture based communication and give the focused on yield. We want to have the capacity to enhance the personal satisfaction of hard of hearing and quiet people with this gadget.

Comparison of Background Related Work

(Table 1)

Problem Definition

With a population of around 7.6 billion today communication is a strong means for understanding each other. Around nine thousand million individuals are deaf and mute. Individuals with discourse hindrance their vocal articulation are not reasonable, they require a specific skill like static state of the hand orientation to give a sign, more as manual-visual dialect prevalently known as sign language to communicate with general population. They think that it’s hard to impart in a general public where a large portion of the general population don’t comprehend sign language. Hence forth they find a little space to convey and do not have the capacity to impart at a more extensive territory [7].

Literature Survey

The system investigates the utilization of a glove to give communication via gestures interpretation in a way that enhances the techniques for previous plans. Few university research has taken an activity to make prototype devices as a proposed answer for this issue, these devices focus on reading and analyzing hand movement. However, they are lacking in their capacity to join the full scope of movement that gesture based communication requires, including wrist revolution and complex arm developments (Table 2).

Proposed System

(Figure 1)

Block Diagram Explanation

The sensor based system is designed using four 4.5 inch and two 2.2-inch flex sensors which are used to measure the degree to which the fingers are bent. These are sensed in terms of resistance values which is maximum for minimum bend radius. The flex sensor incorporates a potential divider network which is employed to line the output voltage across 2 resistors connected as shown in Figure 2.

The output voltage is determined using the following equation,

Where;

R1 - flex sensor resistance. R2 - Input resistance.

The external resistor and flex forms a potential divider that divides the input voltage by a quantitative relation determined by the variable and attached resistors. For particular gestures the current will change, as a result of the changing resistance of the flex sensor which is accommodated as analog data. One terminal of flex sensor is connected to the 3.3Volts and another terminal to the ground to close the circuit. A 9-Degree of Freedom Ardu Inertial Measurement Unit (IMU) is essential for accelerometer and gyroscope readings which is placed on the top of the hand to determine hand position. The co-related 3D coordinates are collected by the inertial measurement unit as input data [8]. The impedance values from flex sensors and IMU coordinates for individual gesture are recorded to enumerate the database. The database contains values assigned for different finger movements. When the data is fed from both flex sensors and IMU to Arduino nano it will be compute and compare with the predefined dataset to detect the precise gesture and transmitted wirelessly to the central processor i.e. raspberry pi via Bluetooth module. Raspberry Pi 3 is programed to display text output on GLCD. Graphic LCD is interfaced with the Raspberry pi3 using 20-bit universal serial bus in order to avoid bread board connection between processor and the display, and a 10Kohm trim potentiometer is used to control the brightness of display unit. Further to provide an auditory speech, pre-embedded regional language voice is assigned for each conditions as similar to the text database which is mapped with the impedance values. Two speakers are used with single jack of 3.5mm for connection and a USB to power-up the speakers [9]. When text is displayed, the processor will search for the voice signal which will be transmitted through speakers.

Methodology (Figure 3)

a) The gesture is served as an input to the system which is measured by both the sensors particularly from the f lex sensor in terms of impedance and the IMU gives the digital values.

b) These values from the flex sensor are analog in nature and is given to the Arduino nano which uses the analog to digital convertor consolidated in it to convert the resistive values to digital values.

c) IMU utilizes the accelerometer/gyroscope sensors to measure the displacement and position of the hand.

d) These qualities from both the sensors are fed to Arduino nano which contrasts it and the values stored in the predefined database, and further transmits this digital data wirelessly to the main processor by means of Bluetooth.

e) Central processor the raspberry pi3 is coded in python dialect for processing the received digital signals to generate the text output, for example, characters, numbers and pictures. Further, the text output is shown on Graphic-LCD display and next text to speech engine, here particularly espeak converter is utilized to give the soundrelated voice output [10].

Finally, system effectively delivers the output as text and auditory voice in regional dialect.

Prototype Implementation and its Working

In this system, the features are extracted from the hardware sensor inputs and the targets are the words in sign language. To realize the design requirements, several hardware components were considered during prototyping. Much of the hardware was selected due to their ease of use and accuracy. The Ardu 9DOF IMU was selected for convenience as it produces the computation necessary for linear acceleration and gyroscopic measurements. The roll, pitch and yaw measurements were found to be roughly ±2° accuracy which is far beyond sufficient for our sign language requirements. Since the flex sensor required additional analog pins, careful planning allowed us to fit the circuit in an agreeable manner on the hand glove. Space was managed to add in the HC05 Bluetooth module onto the device. All the sensors must be placed in a way as to not make contact with each other causing short circuits which and disruption of measurement readings [11]. Electrical tape was necessary to provide insulation for our sensors. The system recognizes gestures made by the hand movements by wearing the glove on which two sensors are attached, the first sensor is to sense the bending of five fingers, the flex sensor of 2.2 inches for thumb and for the other four fingers of 4.5 inches and the second sensor used is 9-DOF Inertial Measurement Unit to track the motion of hand in the three-dimensional space, which allows us to track its movement in any random direction by using the angular coordinates of IMU (pitch, roll and yaw). Since the output of f lex sensor is resistive in nature the values are converted to voltage using a voltage divider circuit.

The resistance values of 4.5-inch flex sensors range from 7K to 15K and for 2.2-inch flex sensor, it ranges from 20K to 40K, as shorter the radius the more resistor value. Another 2.5K ohm resistor is utilized to build a voltage divider circuit with Vcc supply being 3.3volts taken from Arduino nano processor, the voltage values from the voltage divider circuit being analog in nature are given to the Arduino nano processor which has an inbuilt ADC [12]. Further, the IMU senses the hand movements and gives the digital values in XYZ direction called the roll, yaw, pitch respectively. The values from the IMU and values of the flex sensors are processed in the Arduino nano which is interfaced with HC-05 Bluetooth module embedded on the glove which provides the approximate range of 10 meters. The data processed in nano are sent wirelessly through Bluetooth to the central processor i.e. Raspberry Pi which is coded in python, in a way to convert given values into the text signal by searching in database for that particular gesture. In accordance with the digital value received, the impedance values along with 3 dimensional IMU coordinates for each individual gestures are recorded to enumerate the database. The database contains collective resistance values assigned for different finger movements. When the computed data is received by the processor, it is compared with the measured dataset to detect the precise gestures. If the values matches, then the processor sends the designated SPI commands to display the texts according to gestures onto the GLCD and the espeak provides the text to speech facility giving audible voice output in regional language through the speakers. Further, for any next gestures made, both flex sensor and IMU detects and data is compared with the database already present in the processor and if it matches, displays in text format as well as audible output speech will be given by the speakers [13] (Figure 4).

Results

In this prototype system, the user forms a gesture and holds it approximately for 1 or 1.5 seconds to ensure proper recognition. Each gesture comprises of bending of all fingers in certain angles accordingly. Every bend of the sensor (finger) produces unique ADC value so that when different hand gesture is made, different ADC values are produced. Taking such ADC values for 4 different users, a table of average ADC values for each sensor is maintained where F1, F2, F3, F4 and F5 represents the little finger, the ring finger, the middle finger, the index finger and thumb respectively. Table 3 shows the gestures and corresponding words voiced out. The hand signs taken in the prototype can be easily modified using the concept of ADC count according to the user convenience. At the same time the voice output can be changed easily to gives a flexibility in change of language according to different regions (Figure 5).

Applications

a) Voice interpreter for mute people

b) No touch user interface

c) Gaming industry: Hand gestures play a vital role in the gaming industry, especially in first person shooting games. The player can control the character in the game using his hand and this could give a real life experience of the game. Also, virtual reality is gaining grounds in the gaming industry. Combining virtual reality with the gloves with a haptic feedback can give the gamer a real life gaming experience.

d) Controlling a robotic arm using the gloves: The gloves could be used to control a robotic arm. The applications for this system are wide. With incorporation of haptic feedback, the glove -robotic arm interface could also be used in bomb diffusion.

e) Remote medical surgery: In this the surgeon need not be at the physical location to perform the surgery. He could control a robotic arm remotely to perform the surgery and a haptic feedback could give him the feel of actually performing the surgery. But this would require the gesture recognition to be very precise and the transfer of data from the hand to the robotic arm should be without even a tiny glitch.

Advantages

a) Cost effective light weight and portable

b) Real time translation approximately in no time delay

c) Flexible for ‘N’ users with easy operation

d) Fully automate system for mute communication

Future scope

a) The system can be further developed with Wi-Fi connection and enlarged database supporting special characters or symbols.

b) Microsoft Text To Speech (TTS) engine can be utilized to provide compatibility for multiple international languages.

c) An Android application can be developed for displaying the text and speech output on an Android device.

Conclusion

As we discovered that Deaf-quiet individuals utilize communication via gestures to cooperate with others however numerous don’t comprehend this motion dialect. We have built up a sensor based motion acknowledgment framework to undercover signal into local dialect discourse and content yield. In this framework the hard of hearing quiet individuals wear the gloves to perform hand motion, the transformation of content to discourse in provincial dialect and show has been seen to be predictable and dependable. In this way, the proposed framework with the database of 20 words and 15 sentences has been effectively created which changes over the motions into English words or sentences and shows the yield on GLCD and relating voice yield in provincial dialects using espeak. The proposed framework has insignificant equipment mounted on it which makes it dependable, convenient and savvy and more straightforward to speak with the general public [14]. One more requesting where this framework could be utilized as a part without bounds: Helping hand for individuals with Cerebral Palsy; Cerebral palsy usually appears in early childhood and involves a group of permanent movement disorders. The symptom varies with people and often includes poor coordination, stiff muscles, weak muscles, and tremors. Also, the problems with sensation, vision, and hearing, swallowing and speaking have been identified as other symptoms [15,16]. This problem can be solved to a great extent by providing them with a provision to communicate with just a single finger. The frequently used words by such people can be put across to people with just a small movement in the finger and using our state estimation technique it could predict the letters or words [17].

For More Open Access Journals Please Click on: Juniper Publishers

Fore More Articles Please Visit: Robotics & Automation Engineering Journal

#Juniper Publishers #Open Access Journals #Robotics #Neural Networks #Fuzzy logics #Artifical Intelligence

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123designsrq · 6 years ago

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CONSUMER-CENTRIC SMART SPEAKER DESIGN

The FABRIQ Chorus does exactly what the smart-speaker industry should honestly do. Concentrating on the customer. Using the best bits from everywhere, the Chorus combines style and an eco-system sound right into a single package.

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itsworn · 7 years ago

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How to Install Modern Audio Into Vintage Corvettes

Amazing advances in automotive audio systems have been witnessed over the past several decades. Before we explore integrating these modern technologies into vintage Corvettes, let’s look back at how the Corvette generations evolved almost in lockstep with the evolution of car audio.

The first generation of Corvettes was born in a time limited to AM radio. The only aftermarket audio enhancements available were a reverb box and a bulky automotive record player that only worked well when the car was parked. C2s made a big step forward in the audio arena by offering an AM/FM radio. However, buyers were apprehensive of this new technology. In 1963, more Corvettes were ordered with AM radios than the AM/FM option. On the aftermarket scene, the big audio breakthrough in the mid-’60s was the eight-track player. Millions of drivers could now choose their own music at will while driving, although this tape format had a number of problems. When the C3 hit the showroom in 1968, an optional AM/FM stereo radio was offered for the first time.

In hindsight, it seems strange that most Corvette buyers in the early-’70s did not choose the stereo option. Perhaps the sound of the engine was far more enticing back then. It wasn’t until 1974 that the stereo radio out-sold the standard radio. In 1977, Corvette finally offered a radio option with an eight-track player. But by then many car owners were realizing the benefits of the next aftermarket audio advance: the cassette player. Cassettes were about one third the size of eight-track tapes and had a number of advantages, including much better durability. In 1979, Corvette buyers could choose from radios with either eight-track or cassette players. The previous year, CB radios were also added to the options list, providing quite a number of audio choices for several years.

The introduction of the C4 in 1984 offered the first Delco-Bose stereo system. Although much more expensive, this was an instant hit with car buyers and showed a growing desire for premium audio systems. In the aftermarket audio world, CDs were replacing cassettes. The 1997 model year saw the first C5s and the first options of factory CD players and 12-disc CD changers, although the radio with cassette player was still available until the C6 debut in 2005. By then, compressed digital music was growing exponentially thanks to Napster and the iPod.

The C6 introduced radios with MP3 and XM satellite capability. During the C6 production run, the convenience of transferring digital music wirelessly via Bluetooth gained in popularity and became part of Corvette’s audio offerings. The desire for high-quality audio and commercial-free personal music is now firmly entrenched in the car buying public. The current C7 generation started off with a nine-speaker audio system as standard that incorporated Sirius/XM, MP3 and Bluetooth.

Fortunately, owners of older Corvettes now have a number of choices on how to upgrade to new audio technologies and expansive music choices without altering the original console or dash. Today, inexpensive USB flash drives allow you to carry over 10,000 of your favorite songs on a keychain. Music services such as Pandora and Spotify can give you free access to millions of songs via your smartphone. These radio upgrades are relatively inexpensive and definitely make enjoying music in your car easier and more pleasurable. Follow along as we install a Bluetooth/USB radio from Zip Products into a C3. This radio fits into the factory gauge housing, looks good with its retro style and has far more features and performance than the original radio. Along the way, we’ll show interior disassembly and radio installation tips applicable to all generations.

1. Remove the passenger-side sill plate to begin gaining access to the radio and speakers. Tip: tighten each interior screw before removal and note which ones won’t tighten. It’s common for one or more of these screw holes to be stripped and it is better to remember to fix the problem when the interior parts are removed.

2. Remove the two side screws from the lower right of the dashpad. A short Phillips screwdriver is needed to remove the lower screw. Also remove the one screw from each small access panel at the front side of the shifter console and then slide the access panels forward and down then out.

3. Remove the screw holding the front side of the kick panel. Don’t be surprised if it isn’t there. People often leave it off because it’s difficult to install and frankly it’s not essential. (This is the one fastener I don’t install on my C3s.)

4. Pull back the lower right side of the dashpad and then ease the lower side of the kick panel down and to the left as you pull the panel’s upper right corner down and back from the dashpad. Tip: Be gentle, these plastic parts get brittle after many decades.

5. Remove the three black screws from the top of the lower right dashpad. They can be hard to see if their ferrule (eyelet) was lost and screwed too far into the pad. Remove the two chrome screws holding the pad’s left side to the center gauge housing.

6. Pull the upper edge of the right dashpad out and then ease its lower left corner up and off from the shifter console. After disconnecting the wiring harness from the clips on the backside, remove the dashpad and place it safely out of the way.

7. The side of the radio is now exposed and its support strap can be removed. Removal of this aftermarket radio, although smaller than the original radio in some dimensions, also required removing the center gauge housing.

8. First, remove the windshield wiper switch plate from the gauge housing. Note that the switch connector has a protrusion on its right side. This was intended to make sure the connector was installed properly, but many people have managed to put it back on incorrectly.

9. Tip: Inspect each screw as it is removed and note or mark where it goes. This makes reassembly much easier because there are a number of different sizes and types. Upper row left to right are screws for sill plate and right dashpad on its right, center and left. The three different screws on the lower row are all from the windshield wiper switch plate.

10. The only fasteners that are awkward to reach are the two nuts on the studs at the lower edge of the gauge cluster, but in my experience many people have left them off. They can be reached with a 3/8-inch flex-socket on a 1/4-inch drive extension. Being a contortionist helps.

11. We’re also replacing speakers in the upper dashpad. First, remove both sunvisors and the six other screws attaching the windshield header trim molding. Gently ease this long, narrow trim piece down; it can be fragile at this age.

12. Next, the interior windshield post moldings are attached with a screw at the top and one or two Velcro-like clips along the post. If your moldings are damaged, replacements in original colors are available from Zip Products, as are the other moldings and dashpads.

13. Remove the three screws from the upper edge of the lower left dashpad and don’t forget the one screw attaching the upper dashpad to its support bracket. The bracket is located to the right of the defroster duct.

14. It is necessary to bend the upper dashpad to get its front corner to clear the windshield post. Gently push up on the center of the pad while pulling down on its right end. After it gets clear, disconnect the speaker wires and pull the pad back up and out. Tip: Be careful not to touch the pad in the perforated speaker area; this can be very fragile.

15. The speakers we’re installing are Kenwood two-way speakers from Zip Products. These 4-ohm speakers are rated at 60 watts peak power with a frequency response from 50-25,000 Hz; a huge improvement over the original speakers.

16. The center portion of the speaker support was removed by a previous installer to make room for the tweeter, which extends about 1/16-inch higher than the speaker’s mounting surface. Alternately, shims can simply be added for clearance if necessary.

17. Dense rubber foam was trimmed to make an acoustic barrier around the perimeter of the speaker. Although this step is not essential, it can help the speaker reproduce sounds in the lower frequencies (and sound less “thin”).

18. Reassemble the speaker supports into the upper dashpad. Larger diameter screws may be needed if the plastic in the pad was stripped, but make certain the replacement screws are short to prevent dimpling or perforating the pad’s upper surface. Tip: A dab of glue around these screws can prevent them from loosening from vibration.

19. It’s critical that the dash speakers are not too deep because there is very limited room underneath the speaker on the driver side. Zip’s Kenwood speakers measured 1 5/8-inch from their mounting flange and cleared the instrument cluster. Tip: This is an opportune time to check all those hard-to-reach instrument lights.

20. CD player input jacks are on the rear of the radio along with audio outputs for an amplifier. An installation wiring diagram is located on the bottom. This is a welcome feature, too, because manuals often get misplaced.

21. Tip: Installation is simplified by preparing and grouping the wires. The ground and power wires are grouped to the left. The speaker wires are grouped and routed to the right. Also shown is a right-angle antenna extension. This helps radio installations where the antenna wire is too short or space is limited.

22. The yellow wire is switched power. The orange wire for the clock and interior light circuit is nearby to provide power for the digital radio’s memory. Black is ground. The gray wire is for instrument/radio lights and is not needed for most modern radios.

23. After connecting the speaker wires, reassemble the interior parts in the reverse order of removal. Zip Product’s extensive interior screw set is well worth the $27 to replace rusted, damaged or missing fasteners.

24. Speakers can also be installed behind the kick panels in the cavity above the body mounting bolt. Speakers in this location are more effective in the low range, so it is a good idea to fabricate a panel to acoustically isolate the front of the speaker cone from the rear. Zip Products also offers self-contained speaker assemblies for the rear compartment of coupes and convertibles.

25. The three screws attaching the top edge of both lower dashpads require special attention. Each of these screws has a ferrule that prevents it from going too far into the dashpad. Sometimes the ferrules come out when the screw is removed but look closely because sometimes they stay in the pad, as shown here.

26. The sill plate screw holes often need special attention. Tip: If the holes are enlarged to the point that the screws no longer can be tightened, bend a small paper clip and insert one side into the hole. Secure the other end with tape to hold it in place.

27. This new Bluetooth/USB radio from Zip fits into the original gauge housing with no modifications. The retro-looking radio face is available in black as shown here or in chrome. Two sets of knobs come with this radio: chrome knobs or wider, lower-profile black knobs.

28. Connecting to Pandora or Spotify is easy. Press the radio’s mode button to select “blue,” start the free music service on your smartphone and turn on Bluetooth. Now you have access to over 20,000,000 songs. And the improvement in sound quality is amazing. (I wish I made the upgrade sooner.)

29. CDs are too wide to fit through the stock radio opening on early C3 Corvettes, but Zip Products offers modern, powerful CD radios that come with a custom metal center instrument housing so owners can save their original housing. This 200-watt Pioneer stereo CD also has MP3 and USB inputs plus many more audio and lighting features.

Master Bluetooth

Music lovers get tired of hearing the same songs over and over on broadcast (FM) or satellite (Sirius/XM) radio. In fact, you can run out of new music during a two-week road trip even when equipped with an iPod, dozens of CDs and satellite radio. Expand your music horizon dramatically through streaming music from an app on your smartphone connected via Bluetooth to your car radio. If you want to utilize the Bluetooth feature on your car radio to access literally millions of songs—but are too embarrassed to ask a 9-year-old for help—follow along to see how to do it.

The only step that requires a little research or decision-making is choosing your music streaming app. Pandora is one of the most popular streaming apps and has a major advantage in setting up song lists that you like. Simply enter a favorite artist or song to name a “station” (its term for a list or music genre). Pandora will then randomly play songs similar to that when you select that station. You can then tap the thumbs up or thumbs down icons while any song plays to make Pandora refine the selection criteria according to your tastes based on 200 song parameters. It is remarkable how well this works to create a stream of songs you like. You can also create different personal song lists, like “I Can’t Drive 55” for faster paced road trip music. If Pandora’s library of over 800,000 songs isn’t enough, try Spotify, which claims 20,000,000 recordings. However, you’ll find that Spotify’s music selection algorithm isn’t as refined. Both offer free services or subscription services that have no commercials. On Pandora’s free service, I found commercials to be few and far between.

1. Preparation: Install a music streaming app on your smartphone. For example, on an Android phone, press the ‘Play Store’ icon and then enter Pandora. A number of sources offered Pandora apps; I’d recommend choosing the one directly from Pandora.

2. Apps require you to accept a number of conditions. Fortunately, Pandora’s conditions are relatively modest and benign. By comparison, the Uber app requires access to your contact list and many other things on your phone. Enter some personal data to help it better select music you’ll like.

3. Turn your radio on and select the Bluetooth mode. Then, on your smartphone find Bluetooth (under Tools on Android phones) and turn it on. Select the device that is displayed on the phone. There will be only one displayed if there are no other Bluetooth devices nearby.

4. Press the Pandora icon on the smartphone and select any personal station you want to listen to. You may need to press the play icon and wait several seconds for the music to come through your car radio. Now you have access to a mind-blowing library of music.

Radio and Speaker Options

1. The Classic Style radio for 1968-’76 Corvettes has a metal face with large metal pushbuttons similar to the factory radio and you can use factory-style knobs. It features updated electronics, aux and USB inputs, and is rated at 180 watts.

2. This Bluetooth Reproduction radio is one of coolest radios around. Updated electronics lie behind a completely factory front. In addition to Bluetooth, it can play iPods, MP3s or Satellite radio. Models available are 1956-’62 Wonderbar, 1963-’67 and 1968-’76.

3. All C3 Corvettes now also have the option of placing additional speakers in their rear compartments. Zip Products offers the fully assembled cabinets with or without their 6×9 speakers. They locate in the upper corners to preserve storage for T-tops and other items.

The post How to Install Modern Audio Into Vintage Corvettes appeared first on Hot Rod Network.

from Hot Rod Network https://www.hotrod.com/articles/install-modern-audio-vintage-corvettes/ via IFTTT

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onlinedealnews-blog · 8 years ago

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