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"We just wanted to send a great big thank-you for the GREAT job you did on our transfer. My husband loved this particular Christmas album and it is not available in any other format. The job you did transferring it to a CD is amazing. The sound clarity is more than we could have hoped for in a transfer. We will sure look to you for other jobs in ..."

Acoustic lens

An array of obstacles that refracts sound waves in the same way that an optical lens refracts light waves. The dimensions of these obstacles are small compared to the wavelengths of the sound being focused. Also, a device that produces convergence or divergence of moving sound waves. When used with a speaker enclosure, an acoustic lens widens the beam of the higher-frequency sound waves.