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Ty Ford

Members
  • Content Count

    233
  • Joined

  • Last visited

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About Ty Ford

  • Rank
    Hero Member
  • Birthday January 1

Contact Methods

  • Website URL
    http://www.tyford.com/Ty_Ford_Location_Audio.html
  • Skype
    tyford

Profile Information

  • Location
    Baltimore, MD
  • Interests
    small hand guns, acoustic guitars, roller skating, videography and, um AUDIO.
  • Interested in Sound for Picture
    Yes
  • About
    My mother bought me my first tape recorder when I was nine. I spent 17 in major market radio, handling the writing, voicing and production of hundreds if not thousands of commercials and promo announcements. I also began producing local bands.<br />
    <br />
    In 1986, I left broadcasting to pursue writing, audio production and talent work. I also began writing articles for magazines and web sites. I am currently a forum leader for the Creative Cow Audio Forum.<br />
    <br />
    As a guitar player, music production has always been a part of my life. In 2000, I began to attract the attention of local singer/songwriters. Helping them create their music has been a very rewarding part of my life. I mix live sound and work as a location audio recorder and mixer for film and video shoots. More information about my location audio work can be found here. <br />
    <br />
    I began shooting and editing video in 2005. I’ve written two books; “Advanced Audio Production Techniques” and “Ty Ford’s Audio Bootcamp Field Guide.” Info on my field guide can be found here. Another book is in the works.<br />
    <br />
    I re-wrote the NAB’s handbook on radio commercial copywriting and have twice updated the microphone chapter in the weighty NAB Engineering Handbook.<br />
    <br />
    Google “Ty Ford”...Audio...Talent and you’ll find more than you want to know. Also try www.tyford.com.<br />
    <br />
    Following a brain stem stroke in 2007, which passed though with no damage, I took a course in Chakra Balancing. In early 2009, I became a certified Chakra Balancer and Subtle Energy Therapist. More about that here. I also have a Facebook page for this practice. <br />
    <br />
    I am never bored. :)

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  1. Ty Ford

    Deity Connect.

    latency
  2. Ty Ford

    Oktava MK-012 testing

    I own some. I am sent some for review. I am lent some when it comes to making comparisons. Yes, having them in your own hands (in the flesh) is a wonderful thing. If you can get a good reputation with a retailer, they will sometimes send you a mic to compare. I mostly deal with manufacturers and distributors. If you're in NYC, B&H has a microphone room in their Manhattan store. It's a very dangerous place.
  3. Ty Ford

    Lavs for ties

    Jan McLaughlin has a good trick.
  4. Ty Ford

    Oktava MK-012 testing

    Yes, I have tested the Octava/Oktava, Audix and AT. Both of the latter are good. Not as good as a Schoeps, but better than the Octava/Oktava. You really need to hear them, including the Schoeps and DPA. Although they all look more or less alike, they don't sound alike. If you can't tell the difference, then, fine. If you can tell the difference......
  5. Ty Ford

    Oktava MK-012 testing

    Well put, Phil. Cambob, what have you been using all this time to have an Oktava/Octava be your "first real mic" and what are you shooting on? The fact that B&H doesn't even carry Oktava/Octava mics should be a good warning. They do carry the Audix SCX-1HC https://bhpho.to/2QOINcs which is a step above the Oktava, as is the AT 4053b. https://bhpho.to/2xFajjP A lot has to do with how well your ears and brain process sound. People who do sound for a living (and are still doing it) usually hear differently than those who don't. There is a learning curve, but some begin higher on it than others. Still others never get there. Regards, Ty
  6. https://tyfordaudiovideo.blogspot.com/2018/09/deity-s-mic-2-shotgun-microphone-third.html
  7. Ty Ford

    Oktava MK-012 paint damage out of box

    With the screen name "cambob3000" I guess you're a shooter? If you are a student as your profile indicates, and this is your first mic, what's your day rate? I ask because there's been a lot of talk about slipping day rates and undercutting in LA. As important as your first mic is to you, at least as important is how you fit into your market. Do you have professionals you can learn from? Regards, Ty Ford
  8. Ty Ford

    MEMS.....new mic technology?

    Introduction The application of MEMS (microelectro-mechanical systems) technology to microphones has led to the development of small microphones with very high performance. MEMS microphones offer high SNR, low power consumption, good sensitivity, and are available in very small packages that are fully compatible with surface mount assembly processes. MEMS microphones exhibit almost no change in performance after reflow soldering and have excellent temperature characteristics. Figure 1 Top port and bottom port MEMS microphones MEMS microphone acoustic sensors MEMS microphones use acoustic sensors that are fabricated on semiconductor production lines using silicon wafers and highly automated processes. Layers of different materials are deposited on top of a silicon wafer and then the unwanted material is then etched away, creating a moveable membrane and a fixed backplate over a cavity in the base wafer. The sensor backplate is a stiff perforated structure that allows air to move easily through it, while the membrane is a thin solid structure that flexes in response to the change in air pressure caused by sound waves. Figure 2 Cross-section diagram of a MEMS microphone sensor Figure 3 A typical MEMS microphone sensor viewed from above Changes in air pressure created by sound waves cause the thin membrane to flex while the thicker backplate remains stationary as the air moves through its perforations. The movement of the membrane creates a change in the amount of capacitance between the membrane and the backplate, which is translated into an electrical signal by the ASIC. MEMS microphone ASICs The ASIC inside a MEMS microphone uses a charge pump to place a fixed charge on the microphone membrane. The ASIC then measures the voltage variations caused when the capacitance between the membrane and the fixed backplate changes due to the motion of the membrane in response to sound waves. Analog MEMS microphones produce an output voltage that is proportional to the instantaneous air pressure level. Analog mics usually only have 3 pins: the output, the power supply voltage (VDD), and ground. Although the interface for analog MEMS microphones is conceptually simple, the analog signal requires careful design of the PCB and cables to avoid picking up noise between the microphone output and the input of the IC receiving the signal. In most applications, a low noise audio ADC is also needed to convert the output of analog microphones into digital format for processing and/or transmission. As their name implies, digital MEMS microphones have digital outputs that switch between low and high logic levels. Most digital microphones use pulse density modulation (PDM), which produces a highly oversampled single-bit data stream. The density of the pulses on the output of a microphone using pulse density modulation is proportional to the instantaneous air pressure level. Pulse density modulation is similar to the pulse width modulation (PWM) used in class D amplifiers. The difference is that pulse width modulation uses a constant time between pulses and encodes the signal in the pulse width, while pulse density modulation uses a constant pulse width and encodes the signal in the time between pulses. In addition to the output, ground, and VDD pins found on analog mics, most digital mics also have inputs for a clock and a L/R control. The clock input is used to control the delta-sigma modulator that converts the analog signal from the sensor into a digital PDM signal. Typical clock frequencies for digital microphones range from about 1 MHz to 3.5 MHz. The microphone’s output is driven to the proper level on the selected clock edge and then goes into a high impedance state for the other half of the clock cycle. This allows two digital mic outputs to share a single data line. The L/R input determines which clock edge the data is valid on. The digital microphone outputs are relatively immune to noise, but signal integrity can still be a concern due to distortion created by parasitic capacitance, resistance, and inductance between the microphone output and the SoC. Impedance mismatches can also create reflections that can distort the signals in applications with longer distances between the digital mic and the SoC. Although codecs are not required for digital MEMS microphones, in most cases the pulse density modulated output must be converted from single-bit PDM format into multibit pulse code modulation (PCM) format. Many codecs and SoCs have PDM inputs with filters that convert the PDM data into PCM format. Microcontrollers can also use a synchronous serial interface to capture the PDM data stream from a digital mic and convert it into PCM format using filters implemented in software.
  9. Ty Ford

    Advice on MKH 8040s and 8050s

    I didn't like the 8050, too much sizzle and boom (highs and lows), not enough mids, but then I like the Schoeps sound, or DPA 4017, 4018. https://tyfordaudiovideo.blogspot.com/2015/09/dpa-boom-mics-4017-and-4018-with-mmp-b.html
  10. You say, "Sennheiser..in south Africa." Is this a dealer or does Sennheiser have an office there? What does the place say about the different length?
  11. Ty Ford

    Countryman B2D or DPA 4080

    Don't have any intel on the 4080, but do have it on the b2D https://tyfordaudiovideo.blogspot.com/2014/02/countryman-b2d-cardioid-lav-another.html Regards, Ty Ford
  12. Ty Ford

    Cardiod Microphones

    Does your camera have a 1/8" stereo TRS input jack? Here's my review of the Audio Technica AT8024. https://tyfordaudiovideo.blogspot.com/2017/07/audio-technica-at8024-good-things-in.html Here's an AT8024 in use at a local Community Input Meeting. Regards, Ty Ford
  13. Ty Ford

    The Word on Klover Parabolic Reflector Dishes

    Hello Mike, Thanks! I think Paul Terpstra said they redid the math on the shape of the dish about 7 years ago. You'd have to check with Chris Countryman. I suspect it was passive. Do you have any samples of those recordings up on the web anywhere? Ty
  14. Hey, I got the 26, 16 and 9-inch dishes after NAB and have had a great time hearing what they bring to the party. https://tyfordaudiovideo.blogspot.com/2018/07/klover-parabolic-collector-microphone.html Regards, Ty Ford
  15. Ty Ford

    Getting the kinks out

    Thanks, Mark! That sounds like good intel for the future. Ty
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